Mercurial > hg4j

annotate src/org/tmatesoft/hg/core/HgLogCommand.java @ 599:55b7987c1796

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Do not instantiate intermediate arrays
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Fri, 03 May 2013 15:29:26 +0200
parents 43cfa08ff3fd
children 6526d8adbc0f
rev   line source
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1 /*
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2 s * Copyright (c) 2011-2013 TMate Software Ltd
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3 *
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4 * This program is free software; you can redistribute it and/or modify
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5 * it under the terms of the GNU General Public License as published by
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6 * the Free Software Foundation; version 2 of the License.
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7 *
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8 * This program is distributed in the hope that it will be useful,
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9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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11 * GNU General Public License for more details.
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12 *
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13 * For information on how to redistribute this software under
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14 * the terms of a license other than GNU General Public License
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15 * contact TMate Software at support@hg4j.com
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16 */
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17 package org.tmatesoft.hg.core;
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18
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19 import static org.tmatesoft.hg.repo.HgRepository.BAD_REVISION;
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20 import static org.tmatesoft.hg.repo.HgRepository.TIP;
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21 import static org.tmatesoft.hg.util.LogFacility.Severity.Error;
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22
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23 import java.util.ArrayList;
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24 import java.util.Arrays;
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25 import java.util.Calendar;
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26 import java.util.Collection;
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27 import java.util.Collections;
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28 import java.util.Comparator;
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29 import java.util.ConcurrentModificationException;
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30 import java.util.Iterator;
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31 import java.util.LinkedList;
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32 import java.util.List;
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33 import java.util.Set;
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34 import java.util.TreeSet;
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35
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36 import org.tmatesoft.hg.internal.AdapterPlug;
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37 import org.tmatesoft.hg.internal.BatchRangeHelper;
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38 import org.tmatesoft.hg.internal.CsetParamKeeper;
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39 import org.tmatesoft.hg.internal.IntMap;
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40 import org.tmatesoft.hg.internal.IntVector;
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41 import org.tmatesoft.hg.internal.Internals;
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42 import org.tmatesoft.hg.internal.Lifecycle;
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43 import org.tmatesoft.hg.internal.LifecycleProxy;
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44 import org.tmatesoft.hg.internal.ReverseIterator;
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45 import org.tmatesoft.hg.repo.HgChangelog;
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46 import org.tmatesoft.hg.repo.HgChangelog.RawChangeset;
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47 import org.tmatesoft.hg.repo.HgDataFile;
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48 import org.tmatesoft.hg.repo.HgInvalidControlFileException;
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49 import org.tmatesoft.hg.repo.HgInvalidStateException;
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50 import org.tmatesoft.hg.repo.HgParentChildMap;
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51 import org.tmatesoft.hg.repo.HgRepository;
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52 import org.tmatesoft.hg.repo.HgRuntimeException;
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53 import org.tmatesoft.hg.repo.HgStatusCollector;
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54 import org.tmatesoft.hg.util.Adaptable;
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55 import org.tmatesoft.hg.util.CancelSupport;
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56 import org.tmatesoft.hg.util.CancelledException;
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57 import org.tmatesoft.hg.util.Pair;
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58 import org.tmatesoft.hg.util.Path;
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59 import org.tmatesoft.hg.util.ProgressSupport;
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62 /**
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63 * Access to changelog, 'hg log' command counterpart.
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64 *
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65 * <pre>
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66 * Usage:
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67 * new LogCommand().limit(20).branch("maintenance-2.1").user("me").execute(new MyHandler());
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68 * </pre>
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69 * Not thread-safe (each thread has to use own {@link HgLogCommand} instance).
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70 *
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71 * @author Artem Tikhomirov
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72 * @author TMate Software Ltd.
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73 */
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74 public class HgLogCommand extends HgAbstractCommand<HgLogCommand> {
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76 private final HgRepository repo;
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77 private Set<String> users;
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78 private Set<String> branches;
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79 private int limit = 0, count = 0;
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80 private int startRev = 0, endRev = TIP;
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81 private Calendar date;
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82 private Path file;
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83 /*
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84 * Whether to iterate file origins, if any.
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85 * Makes sense only when file != null
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86 */
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87 private boolean followRenames;
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88 /*
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89 * Whether to track history of the selected file version (based on file revision
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90 * in working dir parent), follow ancestors only.
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91 * Note, 'hg log --follow' combines both #followHistory and #followAncestry
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92 */
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93 private boolean followAncestry;
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95 private HgIterateDirection iterateDirection = HgIterateDirection.OldToNew;
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96
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97 private ChangesetTransformer csetTransform;
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98 private HgParentChildMap<HgChangelog> parentHelper;
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99
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100 public HgLogCommand(HgRepository hgRepo) {
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101 repo = hgRepo;
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102 }
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104 /**
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105 * Limit search to specified user. Multiple user names may be specified. Once set, user names can't be
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106 * cleared, use new command instance in such cases.
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107 * @param user - full or partial name of the user, case-insensitive, non-null.
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108 * @return <code>this</code> instance for convenience
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109 * @throws IllegalArgumentException when argument is null
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110 */
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111 public HgLogCommand user(String user) {
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112 if (user == null) {
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113 throw new IllegalArgumentException();
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114 }
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115 if (users == null) {
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116 users = new TreeSet<String>();
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117 }
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118 users.add(user.toLowerCase());
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119 return this;
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120 }
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121
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122 /**
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123 * Limit search to specified branch. Multiple branch specification possible (changeset from any of these
148
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124 * would be included in result). If unspecified, all branches are considered. There's no way to clean branch selection
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125 * once set, create fresh new command instead.
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126 * @param branch - branch name, case-sensitive, non-null.
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127 * @return <code>this</code> instance for convenience
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128 * @throws IllegalArgumentException when branch argument is null
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129 */
131
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130 public HgLogCommand branch(String branch) {
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131 if (branch == null) {
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132 throw new IllegalArgumentException();
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133 }
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134 if (branches == null) {
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135 branches = new TreeSet<String>();
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136 }
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137 branches.add(branch);
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138 return this;
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139 }
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140
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141 // limit search to specific date
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142 // multiple?
131
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143 public HgLogCommand date(Calendar date) {
64
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144 this.date = date;
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145 // TODO post-1.0 implement
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146 // isSet(field) - false => don't use in detection of 'same date'
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147 throw Internals.notImplemented();
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148 }
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149
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150 /**
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151 *
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152 * @param num - number of changeset to produce. Pass 0 to clear the limit.
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153 * @return <code>this</code> instance for convenience
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154 */
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155 public HgLogCommand limit(int num) {
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156 limit = num;
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157 return this;
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158 }
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159
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160 /**
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161 * Limit to specified subset of Changelog, [min(rev1,rev2), max(rev1,rev2)], inclusive.
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162 * Revision may be specified with {@link HgRepository#TIP}
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163 *
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164 * @param rev1 - local index of start changeset revision
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165 * @param rev2 - index of end changeset revision
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166 * @return <code>this</code> instance for convenience
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167 */
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168 public HgLogCommand range(int rev1, int rev2) {
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169 if (rev1 != TIP && rev2 != TIP) {
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170 startRev = rev2 < rev1 ? rev2 : rev1;
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171 endRev = startRev == rev2 ? rev1 : rev2;
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172 } else if (rev1 == TIP && rev2 != TIP) {
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173 startRev = rev2;
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174 endRev = rev1;
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175 } else {
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176 startRev = rev1;
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177 endRev = rev2;
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178 }
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179 // TODO [2.0 API break] shall throw HgBadArgumentException, like other commands do
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180 return this;
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181 }
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182
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183 /**
253
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184 * Select specific changeset
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185 *
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186 * @param nid changeset revision
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187 * @return <code>this</code> for convenience
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188 * @throws HgBadArgumentException if failed to find supplied changeset revision
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189 */
427
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190 public HgLogCommand changeset(Nodeid nid) throws HgBadArgumentException {
253
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191 // XXX perhaps, shall support multiple (...) arguments and extend #execute to handle not only range, but also set of revisions.
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192 final int csetRevIndex = new CsetParamKeeper(repo).set(nid).get();
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193 return range(csetRevIndex, csetRevIndex);
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194 }
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195
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196 /**
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197 * Visit history of a given file only. Note, unlike native <code>hg log</code> command argument <code>--follow</code>, this method doesn't
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198 * follow file ancestry, but reports complete file history (with <code>followCopyRenames == true</code>, for each
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199 * name of the file known in sequence). To achieve output similar to that of <code>hg log --follow filePath</code>, use
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200 * {@link #file(Path, boolean, boolean) file(filePath, true, true)} alternative.
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201 *
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202 * @param filePath path relative to repository root. Pass <code>null</code> to reset.
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203 * @param followCopyRename true to report changesets of the original file(-s), if copy/rename ever occured to the file.
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204 * @return <code>this</code> for convenience
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205 */
516
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206 public HgLogCommand file(Path filePath, boolean followCopyRename) {
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207 return file(filePath, followCopyRename, false);
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208 }
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209
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210 /**
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211 * Full control over file history iteration.
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212 *
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213 * @param filePath path relative to repository root. Pass <code>null</code> to reset.
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214 * @param followCopyRename true to report changesets of the original file(-s), if copy/rename ever occured to the file.
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215 * @param followFileAncestry true to follow file history starting from revision at working copy parent. Note, only revisions
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216 * accessible (i.e. on direct parent line) from the selected one will be reported. This is how <code>hg log --follow filePath</code>
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217 * behaves, with the difference that this method allows separate control whether to follow renames or not.
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218 *
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219 * @return <code>this</code> for convenience
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220 */
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221 public HgLogCommand file(Path filePath, boolean followCopyRename, boolean followFileAncestry) {
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222 file = filePath;
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223 followRenames = followCopyRename;
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224 followAncestry = followFileAncestry;
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225 return this;
64
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226 }
142
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227
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228 /**
516
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229 * Handy analog to {@link #file(Path, boolean)} when clients' paths come from filesystem and need conversion to repository's
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230 * @return <code>this</code> for convenience
142
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231 */
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232 public HgLogCommand file(String file, boolean followCopyRename) {
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233 Path.Source ps = repo.getSessionContext().getPathFactory();
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234 return file(ps.path(repo.getToRepoPathHelper().rewrite(file)), followCopyRename);
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235 }
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236
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237 /**
516
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238 * Handy analog to {@link #file(Path, boolean, boolean)} when clients' paths come from filesystem and need conversion to repository's
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239 * @return <code>this</code> for convenience
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240 */
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241 public HgLogCommand file(String file, boolean followCopyRename, boolean followFileAncestry) {
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242 Path.Source ps = repo.getSessionContext().getPathFactory();
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243 return file(ps.path(repo.getToRepoPathHelper().rewrite(file)), followCopyRename, followFileAncestry);
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244 }
522
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245
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246 /**
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247 * Specifies order for changesets reported through #execute(...) methods.
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248 * By default, command reports changeset in their natural repository order, older first,
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249 * newer last (i.e. {@link HgIterateDirection#OldToNew}
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250 *
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251 * @param order {@link HgIterateDirection#NewToOld} to get newer revisions first
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252 * @return <code>this</code> for convenience
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253 */
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254 public HgLogCommand order(HgIterateDirection order) {
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255 iterateDirection = order;
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256 return this;
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257 }
516
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258
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259 /**
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260 * Similar to {@link #execute(HgChangesetHandler)}, collects and return result as a list.
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261 *
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262 * @see #execute(HgChangesetHandler)
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263 * @throws HgException subclass thereof to indicate specific issue with the command arguments or repository state
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264 */
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265 public List<HgChangeset> execute() throws HgException {
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266 CollectHandler collector = new CollectHandler();
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267 try {
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268 execute(collector);
423
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269 } catch (HgCallbackTargetException ex) {
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270 // see below for CanceledException
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271 HgInvalidStateException t = new HgInvalidStateException("Internal error");
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272 t.initCause(ex);
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273 throw t;
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274 } catch (CancelledException ex) {
215
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275 // can't happen as long as our CollectHandler doesn't throw any exception
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276 HgInvalidStateException t = new HgInvalidStateException("Internal error");
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277 t.initCause(ex);
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278 throw t;
215
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279 }
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280 return collector.getChanges();
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281 }
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282
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283 /**
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284 * Iterate over range of changesets configured in the command.
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285 *
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286 * @param handler callback to process changesets.
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287 * @throws HgCallbackTargetException propagated exception from the handler
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288 * @throws HgException subclass thereof to indicate specific issue with the command arguments or repository state
380
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289 * @throws CancelledException if execution of the command was cancelled
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290 * @throws IllegalArgumentException when inspector argument is null
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291 * @throws ConcurrentModificationException if this log command instance is already running
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292 */
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293 public void execute(HgChangesetHandler handler) throws HgCallbackTargetException, HgException, CancelledException {
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294 if (handler == null) {
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295 throw new IllegalArgumentException();
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296 }
193
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297 if (csetTransform != null) {
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298 throw new ConcurrentModificationException();
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299 }
559
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300 if (repo.getChangelog().getRevisionCount() == 0) {
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301 return;
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302 }
518
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303 final int lastCset = endRev == TIP ? repo.getChangelog().getLastRevision() : endRev;
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304 // XXX pretty much like HgInternals.checkRevlogRange
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305 if (lastCset < 0 || lastCset > repo.getChangelog().getLastRevision()) {
559
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306 throw new HgBadArgumentException(String.format("Bad value %d for end revision", lastCset), null);
518
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307 }
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308 if (startRev < 0 || startRev > lastCset) {
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309 throw new HgBadArgumentException(String.format("Bad value %d for start revision for range [%1$d..%d]", startRev, lastCset), null);
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310 }
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311 final ProgressSupport progressHelper = getProgressSupport(handler);
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312 final int BATCH_SIZE = 100;
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313 try {
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314 count = 0;
432
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315 HgParentChildMap<HgChangelog> pw = getParentHelper(file == null); // leave it uninitialized unless we iterate whole repo
193
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316 // ChangesetTransfrom creates a blank PathPool, and #file(String, boolean) above
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317 // may utilize it as well. CommandContext? How about StatusCollector there as well?
322
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318 csetTransform = new ChangesetTransformer(repo, handler, pw, progressHelper, getCancelSupport(handler, true));
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319 // FilteringInspector is responsible to check command arguments: users, branches, limit, etc.
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320 // prior to passing cset to next Inspector, which is either (a) collector to reverse cset order, then invokes
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321 // transformer from (b), below, with alternative cset order or (b) transformer to hi-level csets.
518
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322 FilteringInspector filterInsp = new FilteringInspector();
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323 filterInsp.changesets(startRev, lastCset);
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324 if (file == null) {
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325 progressHelper.start(lastCset - startRev + 1);
522
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326 if (iterateDirection == HgIterateDirection.OldToNew) {
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327 filterInsp.delegateTo(csetTransform);
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328 repo.getChangelog().range(startRev, lastCset, filterInsp);
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329 csetTransform.checkFailure();
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330 } else {
522
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331 assert iterateDirection == HgIterateDirection.NewToOld;
520
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332 BatchRangeHelper brh = new BatchRangeHelper(startRev, lastCset, BATCH_SIZE, true);
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333 BatchChangesetInspector batchInspector = new BatchChangesetInspector(Math.min(lastCset-startRev+1, BATCH_SIZE));
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334 filterInsp.delegateTo(batchInspector);
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335 while (brh.hasNext()) {
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336 brh.next();
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diff changeset
337 repo.getChangelog().range(brh.start(), brh.end(), filterInsp);
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
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diff changeset
338 for (BatchChangesetInspector.BatchRecord br : batchInspector.iterate(true)) {
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diff changeset
339 csetTransform.next(br.csetIndex, br.csetRevision, br.cset);
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diff changeset
340 csetTransform.checkFailure();
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341 }
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diff changeset
342 batchInspector.reset();
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343 }
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diff changeset
344 }
77
c677e1593919 Moved RevlogStream implementation into .internal
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diff changeset
345 } else {
520
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diff changeset
346 filterInsp.delegateTo(csetTransform);
514
5dcb4581c8ef Report renames when following file history tree with HgFileRenameHandlerMixin
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diff changeset
347 final HgFileRenameHandlerMixin withCopyHandler = Adaptable.Factory.getAdapter(handler, HgFileRenameHandlerMixin.class, null);
528
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348 FileRenameQueueBuilder frqBuilder = new FileRenameQueueBuilder();
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349 List<Pair<HgDataFile, Nodeid>> fileRenames = frqBuilder.buildFileRenamesQueue();
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diff changeset
350 progressHelper.start(fileRenames.size());
518
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351 for (int nameIndex = 0, fileRenamesSize = fileRenames.size(); nameIndex < fileRenamesSize; nameIndex++) {
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352 Pair<HgDataFile, Nodeid> curRename = fileRenames.get(nameIndex);
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353 HgDataFile fileNode = curRename.first();
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diff changeset
354 if (followAncestry) {
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diff changeset
355 TreeBuildInspector treeBuilder = new TreeBuildInspector(followAncestry);
520
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356 @SuppressWarnings("unused")
518
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357 List<HistoryNode> fileAncestry = treeBuilder.go(fileNode, curRename.second());
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358 int[] commitRevisions = narrowChangesetRange(treeBuilder.getCommitRevisions(), startRev, lastCset);
522
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diff changeset
359 if (iterateDirection == HgIterateDirection.OldToNew) {
518
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360 repo.getChangelog().range(filterInsp, commitRevisions);
520
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361 csetTransform.checkFailure();
518
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362 } else {
522
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363 assert iterateDirection == HgIterateDirection.NewToOld;
518
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364 // visit one by one in the opposite direction
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365 for (int i = commitRevisions.length-1; i >= 0; i--) {
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366 int csetWithFileChange = commitRevisions[i];
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367 repo.getChangelog().range(csetWithFileChange, csetWithFileChange, filterInsp);
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368 }
126
b92a638764be Dispatch chnagesets even if Handler is not FileHistoryHandler
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diff changeset
369 }
518
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370 } else {
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diff changeset
371 // report complete file history (XXX may narrow range with [startRev, endRev], but need to go from file rev to link rev)
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diff changeset
372 int fileStartRev = 0; //fileNode.getChangesetRevisionIndex(0) >= startRev
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diff changeset
373 int fileEndRev = fileNode.getLastRevision();
522
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diff changeset
374 if (iterateDirection == HgIterateDirection.OldToNew) {
520
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375 fileNode.history(fileStartRev, fileEndRev, filterInsp);
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diff changeset
376 csetTransform.checkFailure();
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diff changeset
377 } else {
522
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378 assert iterateDirection == HgIterateDirection.NewToOld;
520
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379 BatchRangeHelper brh = new BatchRangeHelper(fileStartRev, fileEndRev, BATCH_SIZE, true);
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380 BatchChangesetInspector batchInspector = new BatchChangesetInspector(Math.min(fileEndRev-fileStartRev+1, BATCH_SIZE));
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diff changeset
381 filterInsp.delegateTo(batchInspector);
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diff changeset
382 while (brh.hasNext()) {
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diff changeset
383 brh.next();
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diff changeset
384 fileNode.history(brh.start(), brh.end(), filterInsp);
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diff changeset
385 for (BatchChangesetInspector.BatchRecord br : batchInspector.iterate(true /*iterateDirection == IterateDirection.FromNewToOld*/)) {
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diff changeset
386 csetTransform.next(br.csetIndex, br.csetRevision, br.cset);
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diff changeset
387 csetTransform.checkFailure();
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diff changeset
388 }
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diff changeset
389 batchInspector.reset();
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390 }
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diff changeset
391 }
518
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392 }
528
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diff changeset
393 if (withCopyHandler != null && nameIndex + 1 < fileRenamesSize) {
518
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diff changeset
394 Pair<HgDataFile, Nodeid> nextRename = fileRenames.get(nameIndex+1);
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diff changeset
395 HgFileRevision src, dst;
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diff changeset
396 // A -> B
522
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diff changeset
397 if (iterateDirection == HgIterateDirection.OldToNew) {
518
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
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diff changeset
398 // curRename: A, nextRename: B
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diff changeset
399 src = new HgFileRevision(fileNode, curRename.second(), null);
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diff changeset
400 dst = new HgFileRevision(nextRename.first(), nextRename.first().getRevision(0), src.getPath());
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diff changeset
401 } else {
522
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diff changeset
402 assert iterateDirection == HgIterateDirection.NewToOld;
518
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diff changeset
403 // curRename: B, nextRename: A
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diff changeset
404 src = new HgFileRevision(nextRename.first(), nextRename.second(), null);
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diff changeset
405 dst = new HgFileRevision(fileNode, fileNode.getRevision(0), src.getPath());
80
4222b04f34ee Follow history of a file
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diff changeset
406 }
518
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diff changeset
407 withCopyHandler.copy(src, dst);
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
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diff changeset
408 }
528
f7fbf48b9383 Report rename when walking file history regardless of followRenames parameter, solely based on HgFileRenameHandlerMixin presence
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diff changeset
409 progressHelper.worked(1);
518
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
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diff changeset
410 } // for renames
528
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diff changeset
411 frqBuilder.reportRenameIfNotInQueue(fileRenames, withCopyHandler);
518
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
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diff changeset
412 } // file != null
427
31a89587eb04 FIXMEs: consistent names, throws for commands and their handlers. Use of checked exceptions in hi-level api
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diff changeset
413 } catch (HgRuntimeException ex) {
31a89587eb04 FIXMEs: consistent names, throws for commands and their handlers. Use of checked exceptions in hi-level api
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diff changeset
414 throw new HgLibraryFailureException(ex);
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
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parents:
diff changeset
415 } finally {
193
37f3d4a596e4 Use common low to hi-level changeset api transformer
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diff changeset
416 csetTransform = null;
215
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
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diff changeset
417 progressHelper.done();
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
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parents:
diff changeset
418 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
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parents:
diff changeset
419 }
328
a674b8590362 Move file tree history to upper API level
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diff changeset
420
520
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diff changeset
421 private static class BatchChangesetInspector extends AdapterPlug implements HgChangelog.Inspector {
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diff changeset
422 private static class BatchRecord {
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diff changeset
423 public final int csetIndex;
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diff changeset
424 public final Nodeid csetRevision;
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diff changeset
425 public final RawChangeset cset;
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diff changeset
426
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
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diff changeset
427 public BatchRecord(int index, Nodeid nodeid, RawChangeset changeset) {
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diff changeset
428 csetIndex = index;
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diff changeset
429 csetRevision = nodeid;
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diff changeset
430 cset = changeset;
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diff changeset
431 }
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diff changeset
432 }
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diff changeset
433 private final ArrayList<BatchRecord> batch;
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diff changeset
434
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
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diff changeset
435 public BatchChangesetInspector(int batchSizeHint) {
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diff changeset
436 batch = new ArrayList<BatchRecord>(batchSizeHint);
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diff changeset
437 }
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diff changeset
438
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diff changeset
439 public BatchChangesetInspector reset() {
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diff changeset
440 batch.clear();
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 518
diff changeset
441 return this;
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 518
diff changeset
442 }
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 518
diff changeset
443
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 518
diff changeset
444 public void next(int revisionIndex, Nodeid nodeid, RawChangeset cset) {
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 518
diff changeset
445 batch.add(new BatchRecord(revisionIndex, nodeid, cset.clone()));
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 518
diff changeset
446 }
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 518
diff changeset
447
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 518
diff changeset
448 public Iterable<BatchRecord> iterate(final boolean reverse) {
596
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 571
diff changeset
449 return reverse ? ReverseIterator.reversed(batch) : batch;
520
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 518
diff changeset
450 }
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 518
diff changeset
451
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 518
diff changeset
452 // alternative would be dispatch(HgChangelog.Inspector) and dispatchReverse()
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 518
diff changeset
453 // methods, but progress and cancellation might get messy then
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 518
diff changeset
454 }
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 518
diff changeset
455
518
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
456 // public static void main(String[] args) {
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
457 // int[] r = new int[] {17, 19, 21, 23, 25, 29};
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
458 // System.out.println(Arrays.toString(narrowChangesetRange(r, 0, 45)));
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
459 // System.out.println(Arrays.toString(narrowChangesetRange(r, 0, 25)));
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
460 // System.out.println(Arrays.toString(narrowChangesetRange(r, 5, 26)));
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
461 // System.out.println(Arrays.toString(narrowChangesetRange(r, 20, 26)));
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
462 // System.out.println(Arrays.toString(narrowChangesetRange(r, 26, 28)));
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
463 // }
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
464
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
465 private static int[] narrowChangesetRange(int[] csetRange, int startCset, int endCset) {
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
466 int lastInRange = csetRange[csetRange.length-1];
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
467 assert csetRange.length < 2 || csetRange[0] < lastInRange; // sorted
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
468 assert startCset >= 0 && startCset <= endCset;
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
469 if (csetRange[0] >= startCset && lastInRange <= endCset) {
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
470 // completely fits in
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
471 return csetRange;
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
472 }
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
473 if (csetRange[0] > endCset || lastInRange < startCset) {
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
474 return new int[0]; // trivial
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
475 }
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
476 int i = 0;
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
477 while (i < csetRange.length && csetRange[i] < startCset) {
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
478 i++;
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
479 }
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
480 int j = csetRange.length - 1;
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
481 while (j > i && csetRange[j] > endCset) {
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
482 j--;
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
483 }
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
484 if (i == j) {
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
485 // no values in csetRange fit into [startCset, endCset]
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
486 return new int[0];
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
487 }
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
488 int[] rv = new int[j-i+1];
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
489 System.arraycopy(csetRange, i, rv, 0, rv.length);
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
490 return rv;
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
491 }
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
492
370
a2341e761609 Let callback implementations deliver errors (e,g. own exceptions) to client code
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
493 /**
515
e6c8b9b654b2 Provide access to HgDataFile being iterated into HgChangesetTreeHandler.TreeElement to give context for renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 514
diff changeset
494 * Tree-wise iteration of a file history, with handy access to parent-child relations between changesets.
e6c8b9b654b2 Provide access to HgDataFile being iterated into HgChangesetTreeHandler.TreeElement to give context for renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 514
diff changeset
495 * When file history is being followed, handler may additionally implement {@link HgFileRenameHandlerMixin}
e6c8b9b654b2 Provide access to HgDataFile being iterated into HgChangesetTreeHandler.TreeElement to give context for renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 514
diff changeset
496 * to get notified about switching between history chunks that belong to different names.
402
1fcc7f7b6d65 FIXMEs/javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
497 *
1fcc7f7b6d65 FIXMEs/javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
498 * @param handler callback to process changesets.
515
e6c8b9b654b2 Provide access to HgDataFile being iterated into HgChangesetTreeHandler.TreeElement to give context for renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 514
diff changeset
499 * @see HgFileRenameHandlerMixin
427
31a89587eb04 FIXMEs: consistent names, throws for commands and their handlers. Use of checked exceptions in hi-level api
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
500 * @throws HgCallbackTargetException propagated exception from the handler
31a89587eb04 FIXMEs: consistent names, throws for commands and their handlers. Use of checked exceptions in hi-level api
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
501 * @throws HgException subclass thereof to indicate specific issue with the command arguments or repository state
380
9517df1ef7ec Comments/javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 370
diff changeset
502 * @throws CancelledException if execution of the command was cancelled
402
1fcc7f7b6d65 FIXMEs/javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
503 * @throws IllegalArgumentException if command is not satisfied with its arguments
1fcc7f7b6d65 FIXMEs/javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
504 * @throws ConcurrentModificationException if this log command instance is already running
370
a2341e761609 Let callback implementations deliver errors (e,g. own exceptions) to client code
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
505 */
515
e6c8b9b654b2 Provide access to HgDataFile being iterated into HgChangesetTreeHandler.TreeElement to give context for renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 514
diff changeset
506 public void execute(final HgChangesetTreeHandler handler) throws HgCallbackTargetException, HgException, CancelledException {
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
507 if (handler == null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
508 throw new IllegalArgumentException();
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
509 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
510 if (csetTransform != null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
511 throw new ConcurrentModificationException();
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
512 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
513 if (file == null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
514 throw new IllegalArgumentException("History tree is supported for files only (at least now), please specify file");
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
515 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
516 final ProgressSupport progressHelper = getProgressSupport(handler);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
517 final CancelSupport cancelHelper = getCancelSupport(handler, true);
514
5dcb4581c8ef Report renames when following file history tree with HgFileRenameHandlerMixin
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 511
diff changeset
518 final HgFileRenameHandlerMixin renameHandler = Adaptable.Factory.getAdapter(handler, HgFileRenameHandlerMixin.class, null);
507
a6435c1a42d0 Test for HgChangesetTreeHandler - make sure nothing is broken prior to adding --follow support
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
519
509
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
520
517
9922d1f7cb2a Update test to use new command configuration argument (used to have followAncestry == true by default)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 516
diff changeset
521 // XXX rename. dispatcher is not a proper name (most of the job done - managing history chunk interconnection)
516
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
522 final HandlerDispatcher dispatcher = new HandlerDispatcher() {
515
e6c8b9b654b2 Provide access to HgDataFile being iterated into HgChangesetTreeHandler.TreeElement to give context for renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 514
diff changeset
523
516
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
524 @Override
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
525 protected void once(HistoryNode n) throws HgCallbackTargetException, CancelledException {
515
e6c8b9b654b2 Provide access to HgDataFile being iterated into HgChangesetTreeHandler.TreeElement to give context for renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 514
diff changeset
526 handler.treeElement(ei.init(n, currentFileNode));
e6c8b9b654b2 Provide access to HgDataFile being iterated into HgChangesetTreeHandler.TreeElement to give context for renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 514
diff changeset
527 cancelHelper.checkCancelled();
e6c8b9b654b2 Provide access to HgDataFile being iterated into HgChangesetTreeHandler.TreeElement to give context for renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 514
diff changeset
528 }
e6c8b9b654b2 Provide access to HgDataFile being iterated into HgChangesetTreeHandler.TreeElement to give context for renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 514
diff changeset
529 };
508
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
530
510
90093ee56c0d Full-fledged test repo to follow file history. Investigating iteration direction alternatives (from new to old in addition to existing old to new)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 509
diff changeset
531 // renamed files in the queue are placed with respect to #iterateDirection
90093ee56c0d Full-fledged test repo to follow file history. Investigating iteration direction alternatives (from new to old in addition to existing old to new)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 509
diff changeset
532 // i.e. if we iterate from new to old, recent filenames come first
528
f7fbf48b9383 Report rename when walking file history regardless of followRenames parameter, solely based on HgFileRenameHandlerMixin presence
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
533 FileRenameQueueBuilder frqBuilder = new FileRenameQueueBuilder();
f7fbf48b9383 Report rename when walking file history regardless of followRenames parameter, solely based on HgFileRenameHandlerMixin presence
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
534 List<Pair<HgDataFile, Nodeid>> fileRenamesQueue = frqBuilder.buildFileRenamesQueue();
517
9922d1f7cb2a Update test to use new command configuration argument (used to have followAncestry == true by default)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 516
diff changeset
535 // XXX perhaps, makes sense to look at selected file's revision when followAncestry is true
9922d1f7cb2a Update test to use new command configuration argument (used to have followAncestry == true by default)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 516
diff changeset
536 // to ensure file we attempt to trace is in the WC's parent. Native hg aborts if not.
507
a6435c1a42d0 Test for HgChangesetTreeHandler - make sure nothing is broken prior to adding --follow support
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
537 progressHelper.start(4 * fileRenamesQueue.size());
514
5dcb4581c8ef Report renames when following file history tree with HgFileRenameHandlerMixin
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 511
diff changeset
538 for (int namesIndex = 0, renamesQueueSize = fileRenamesQueue.size(); namesIndex < renamesQueueSize; namesIndex++) {
510
90093ee56c0d Full-fledged test repo to follow file history. Investigating iteration direction alternatives (from new to old in addition to existing old to new)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 509
diff changeset
539
514
5dcb4581c8ef Report renames when following file history tree with HgFileRenameHandlerMixin
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 511
diff changeset
540 final Pair<HgDataFile, Nodeid> renameInfo = fileRenamesQueue.get(namesIndex);
516
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
541 dispatcher.prepare(progressHelper, renameInfo);
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 419
diff changeset
542 cancelHelper.checkCancelled();
516
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
543 if (namesIndex > 0) {
528
f7fbf48b9383 Report rename when walking file history regardless of followRenames parameter, solely based on HgFileRenameHandlerMixin presence
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
544 dispatcher.connectWithLastJunctionPoint(renameInfo, fileRenamesQueue.get(namesIndex - 1));
509
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
545 }
514
5dcb4581c8ef Report renames when following file history tree with HgFileRenameHandlerMixin
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 511
diff changeset
546 if (namesIndex + 1 < renamesQueueSize) {
516
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
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diff changeset
547 // there's at least one more name we are going to look at
528
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diff changeset
548 dispatcher.updateJunctionPoint(renameInfo, fileRenamesQueue.get(namesIndex+1), renameHandler != null);
509
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
549 } else {
516
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
550 dispatcher.clearJunctionPoint();
509
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diff changeset
551 }
516
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
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parents: 515
diff changeset
552 dispatcher.dispatchAllChanges();
528
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diff changeset
553 if (renameHandler != null && namesIndex + 1 < renamesQueueSize) {
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diff changeset
554 dispatcher.reportRenames(renameHandler);
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diff changeset
555 }
514
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parents: 511
diff changeset
556 } // for fileRenamesQueue;
528
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diff changeset
557 frqBuilder.reportRenameIfNotInQueue(fileRenamesQueue, renameHandler);
328
a674b8590362 Move file tree history to upper API level
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diff changeset
558 progressHelper.done();
a674b8590362 Move file tree history to upper API level
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diff changeset
559 }
a674b8590362 Move file tree history to upper API level
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diff changeset
560
507
a6435c1a42d0 Test for HgChangesetTreeHandler - make sure nothing is broken prior to adding --follow support
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diff changeset
561 /**
528
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parents: 526
diff changeset
562 * Utility to build sequence of file renames
507
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
563 */
528
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diff changeset
564 private class FileRenameQueueBuilder {
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diff changeset
565
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diff changeset
566 /**
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parents: 526
diff changeset
567 * Follows file renames and build a list of all corresponding file nodes and revisions they were
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parents: 526
diff changeset
568 * copied/renamed/branched at (IOW, their latest revision to look at).
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parents: 526
diff changeset
569 *
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diff changeset
570 * @param followRename when <code>false</code>, the list contains one element only,
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parents: 526
diff changeset
571 * file node with the name of the file as it was specified by the user.
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diff changeset
572 *
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
573 * @param followAncestry the most recent file revision reported depends on this parameter,
f7fbf48b9383 Report rename when walking file history regardless of followRenames parameter, solely based on HgFileRenameHandlerMixin presence
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parents: 526
diff changeset
574 * and it is file revision from working copy parent in there when it's true.
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
575 * <code>null</code> as Pair's second indicates file's TIP revision shall be used.
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parents: 526
diff changeset
576 *
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parents: 526
diff changeset
577 * TODO may use HgFileRevision (after some refactoring to accept HgDataFile and Nodeid) instead of Pair
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parents: 526
diff changeset
578 * and possibly reuse this functionality
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parents: 526
diff changeset
579 *
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parents: 526
diff changeset
580 * @return list of file renames, ordered with respect to {@link #iterateDirection}
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diff changeset
581 */
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parents: 526
diff changeset
582 public List<Pair<HgDataFile, Nodeid>> buildFileRenamesQueue() throws HgPathNotFoundException {
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diff changeset
583 LinkedList<Pair<HgDataFile, Nodeid>> rv = new LinkedList<Pair<HgDataFile, Nodeid>>();
f7fbf48b9383 Report rename when walking file history regardless of followRenames parameter, solely based on HgFileRenameHandlerMixin presence
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parents: 526
diff changeset
584 Nodeid startRev = null;
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diff changeset
585 HgDataFile fileNode = repo.getFileNode(file);
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diff changeset
586 if (!fileNode.exists()) {
f7fbf48b9383 Report rename when walking file history regardless of followRenames parameter, solely based on HgFileRenameHandlerMixin presence
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parents: 526
diff changeset
587 throw new HgPathNotFoundException(String.format("File %s not found in the repository", file), file);
514
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diff changeset
588 }
528
f7fbf48b9383 Report rename when walking file history regardless of followRenames parameter, solely based on HgFileRenameHandlerMixin presence
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diff changeset
589 if (followAncestry) {
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parents: 526
diff changeset
590 // TODO subject to dedicated method either in HgRepository (getWorkingCopyParentRevisionIndex)
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diff changeset
591 // or in the HgDataFile (getWorkingCopyOriginRevision)
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parents: 526
diff changeset
592 Nodeid wdParentChangeset = repo.getWorkingCopyParents().first();
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diff changeset
593 if (!wdParentChangeset.isNull()) {
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diff changeset
594 int wdParentRevIndex = repo.getChangelog().getRevisionIndex(wdParentChangeset);
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diff changeset
595 startRev = repo.getManifest().getFileRevision(wdParentRevIndex, fileNode.getPath());
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parents: 526
diff changeset
596 }
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diff changeset
597 // else fall-through, assume null (eventually, lastRevision()) is ok here
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diff changeset
598 }
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diff changeset
599 Pair<HgDataFile, Nodeid> p = new Pair<HgDataFile, Nodeid>(fileNode, startRev);
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diff changeset
600 rv.add(p);
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diff changeset
601 if (!followRenames) {
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diff changeset
602 return rv;
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diff changeset
603 }
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diff changeset
604 while (hasOrigin(p)) {
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diff changeset
605 p = origin(p);
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diff changeset
606 if (iterateDirection == HgIterateDirection.OldToNew) {
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diff changeset
607 rv.addFirst(p);
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diff changeset
608 } else {
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diff changeset
609 assert iterateDirection == HgIterateDirection.NewToOld;
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diff changeset
610 rv.addLast(p);
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diff changeset
611 }
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diff changeset
612 };
507
a6435c1a42d0 Test for HgChangesetTreeHandler - make sure nothing is broken prior to adding --follow support
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diff changeset
613 return rv;
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parents: 490
diff changeset
614 }
528
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diff changeset
615
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diff changeset
616 public boolean hasOrigin(Pair<HgDataFile, Nodeid> p) {
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diff changeset
617 return p.first().isCopy();
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diff changeset
618 }
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diff changeset
619
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diff changeset
620 public Pair<HgDataFile, Nodeid> origin(Pair<HgDataFile, Nodeid> p) {
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diff changeset
621 HgDataFile fileNode = p.first();
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diff changeset
622 assert fileNode.isCopy();
514
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diff changeset
623 Path fp = fileNode.getCopySourceName();
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diff changeset
624 Nodeid copyRev = fileNode.getCopySourceRevision();
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diff changeset
625 fileNode = repo.getFileNode(fp);
528
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diff changeset
626 return new Pair<HgDataFile, Nodeid>(fileNode, copyRev);
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diff changeset
627 }
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diff changeset
628
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diff changeset
629 /**
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diff changeset
630 * Shall report renames based solely on HgFileRenameHandlerMixin presence,
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diff changeset
631 * even if queue didn't get rename information due to followRenames == false
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diff changeset
632 *
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diff changeset
633 * @param queue value from {@link #buildFileRenamesQueue()}
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634 * @param renameHandler may be <code>null</code>
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diff changeset
635 */
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diff changeset
636 public void reportRenameIfNotInQueue(List<Pair<HgDataFile, Nodeid>> queue, HgFileRenameHandlerMixin renameHandler) throws HgCallbackTargetException {
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diff changeset
637 if (renameHandler != null && !followRenames) {
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diff changeset
638 // If followRenames is true, all the historical names were in the queue and are processed already.
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diff changeset
639 // Hence, shall process origin explicitly only when renameHandler is present but followRenames is not requested.
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diff changeset
640 assert queue.size() == 1; // see the way queue is constructed above
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diff changeset
641 Pair<HgDataFile, Nodeid> curRename = queue.get(0);
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diff changeset
642 if (hasOrigin(curRename)) {
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diff changeset
643 Pair<HgDataFile, Nodeid> origin = origin(curRename);
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diff changeset
644 HgFileRevision src, dst;
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diff changeset
645 src = new HgFileRevision(origin.first(), origin.second(), null);
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diff changeset
646 dst = new HgFileRevision(curRename.first(), curRename.first().getRevision(0), src.getPath());
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diff changeset
647 renameHandler.copy(src, dst);
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diff changeset
648 }
510
90093ee56c0d Full-fledged test repo to follow file history. Investigating iteration direction alternatives (from new to old in addition to existing old to new)
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parents: 509
diff changeset
649 }
528
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650 }
507
a6435c1a42d0 Test for HgChangesetTreeHandler - make sure nothing is broken prior to adding --follow support
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diff changeset
651 }
508
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652
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diff changeset
653 private static class TreeBuildInspector implements HgChangelog.ParentInspector, HgChangelog.RevisionInspector {
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diff changeset
654 private final boolean followAncestry;
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655
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656 private HistoryNode[] completeHistory;
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657 private int[] commitRevisions;
509
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diff changeset
658 private List<HistoryNode> resultHistory;
508
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diff changeset
659
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660 TreeBuildInspector(boolean _followAncestry) {
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diff changeset
661 followAncestry = _followAncestry;
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662 }
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663
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664 public void next(int revisionNumber, Nodeid revision, int linkedRevision) {
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665 commitRevisions[revisionNumber] = linkedRevision;
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666 }
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667
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diff changeset
668 public void next(int revisionNumber, Nodeid revision, int parent1, int parent2, Nodeid nidParent1, Nodeid nidParent2) {
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diff changeset
669 HistoryNode p1 = null, p2 = null;
516
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diff changeset
670 // IMPORTANT: method #one(), below, doesn't expect this code expects reasonable values at parent indexes
508
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diff changeset
671 if (parent1 != -1) {
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672 p1 = completeHistory[parent1];
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diff changeset
673 }
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674 if (parent2!= -1) {
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diff changeset
675 p2 = completeHistory[parent2];
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676 }
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diff changeset
677 completeHistory[revisionNumber] = new HistoryNode(commitRevisions[revisionNumber], revision, p1, p2);
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678 }
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diff changeset
679
516
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diff changeset
680 HistoryNode one(HgDataFile fileNode, Nodeid fileRevision) throws HgInvalidControlFileException {
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681 int fileRevIndexToVisit = fileNode.getRevisionIndex(fileRevision);
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diff changeset
682 return one(fileNode, fileRevIndexToVisit);
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diff changeset
683 }
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diff changeset
684
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diff changeset
685 HistoryNode one(HgDataFile fileNode, int fileRevIndexToVisit) throws HgInvalidControlFileException {
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diff changeset
686 resultHistory = null;
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diff changeset
687 if (fileRevIndexToVisit == HgRepository.TIP) {
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diff changeset
688 fileRevIndexToVisit = fileNode.getLastRevision();
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689 }
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diff changeset
690 // still, allocate whole array, for #next to be able to get null parent values
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diff changeset
691 completeHistory = new HistoryNode[fileRevIndexToVisit+1];
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diff changeset
692 commitRevisions = new int[completeHistory.length];
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diff changeset
693 fileNode.indexWalk(fileRevIndexToVisit, fileRevIndexToVisit, this);
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diff changeset
694 // it's only single revision, no need to care about followAncestry
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parents: 515
diff changeset
695 // but won't hurt to keep resultHistory != null and commitRevisions initialized just in case
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parents: 515
diff changeset
696 HistoryNode rv = completeHistory[fileRevIndexToVisit];
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diff changeset
697 commitRevisions = new int[] { commitRevisions[fileRevIndexToVisit] };
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diff changeset
698 completeHistory = null; // no need to keep almost empty array in memory
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diff changeset
699 resultHistory = Collections.singletonList(rv);
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parents: 515
diff changeset
700 return rv;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
701 }
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
702
508
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
703 /**
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parents: 507
diff changeset
704 * Builds history of file changes (in natural order, from oldest to newest) up to (and including) file revision specified.
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
705 * If {@link TreeBuildInspector} follows ancestry, only elements that are on the line of ancestry of the revision at
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
706 * lastRevisionIndex would be included.
509
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
707 *
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
708 * @return list of history elements, from oldest to newest. In case {@link #followAncestry} is <code>true</code>, the list
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
709 * is modifiable (to further augment with last/first elements of renamed file histories)
508
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
710 */
514
5dcb4581c8ef Report renames when following file history tree with HgFileRenameHandlerMixin
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 511
diff changeset
711 List<HistoryNode> go(HgDataFile fileNode, Nodeid fileLastRevisionToVisit) throws HgInvalidControlFileException {
509
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
712 resultHistory = null;
514
5dcb4581c8ef Report renames when following file history tree with HgFileRenameHandlerMixin
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 511
diff changeset
713 int fileLastRevIndexToVisit = fileLastRevisionToVisit == null ? fileNode.getLastRevision() : fileNode.getRevisionIndex(fileLastRevisionToVisit);
5dcb4581c8ef Report renames when following file history tree with HgFileRenameHandlerMixin
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 511
diff changeset
714 completeHistory = new HistoryNode[fileLastRevIndexToVisit+1];
508
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
715 commitRevisions = new int[completeHistory.length];
514
5dcb4581c8ef Report renames when following file history tree with HgFileRenameHandlerMixin
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 511
diff changeset
716 fileNode.indexWalk(0, fileLastRevIndexToVisit, this);
508
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
717 if (!followAncestry) {
509
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
718 // in case when ancestor not followed, it's safe to return unmodifiable list
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
719 resultHistory = Arrays.asList(completeHistory);
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
720 completeHistory = null;
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
721 // keep commitRevisions initialized, no need to recalculate them
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
722 // as they correspond 1:1 to resultHistory
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
723 return resultHistory;
508
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
724 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
725 /*
509
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
726 * Changesets, newest at the top:
508
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
727 * o <-- cset from working dir parent (as in dirstate), file not changed (file revision recorded points to that from A)
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
728 * | x <-- revision with file changed (B')
ca5202afea90 Support follow history option when walking file history tree
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diff changeset
729 * x / <-- revision with file changed (A)
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parents: 507
diff changeset
730 * | x <-- revision with file changed (B)
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parents: 507
diff changeset
731 * |/
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
732 * o <-- another changeset, where file wasn't changed
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
733 * |
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
734 * x <-- revision with file changed (C)
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
735 *
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
736 * File history: B', A, B, C
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
737 *
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
738 * When "follow", SHALL NOT report B and B', but A and C
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
739 */
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
740 // strippedHistory: only those HistoryNodes from completeHistory that are on the same
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
741 // line of descendant, in order from older to newer
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parents: 507
diff changeset
742 LinkedList<HistoryNode> strippedHistoryList = new LinkedList<HistoryNode>();
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
743 LinkedList<HistoryNode> queue = new LinkedList<HistoryNode>();
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
744 // look for ancestors of the selected history node
514
5dcb4581c8ef Report renames when following file history tree with HgFileRenameHandlerMixin
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 511
diff changeset
745 queue.add(completeHistory[fileLastRevIndexToVisit]);
508
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
746 do {
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
747 HistoryNode withFileChange = queue.removeFirst();
511
122e0600799f Respect multiple joins/forks in a history of a single file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 510
diff changeset
748 if (strippedHistoryList.contains(withFileChange)) {
122e0600799f Respect multiple joins/forks in a history of a single file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 510
diff changeset
749 // fork point for the change that was later merged (and we traced
122e0600799f Respect multiple joins/forks in a history of a single file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 510
diff changeset
750 // both lines of development by now.
122e0600799f Respect multiple joins/forks in a history of a single file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 510
diff changeset
751 continue;
122e0600799f Respect multiple joins/forks in a history of a single file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 510
diff changeset
752 }
508
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
753 if (withFileChange.children != null) {
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
754 withFileChange.children.retainAll(strippedHistoryList);
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
755 }
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
756 strippedHistoryList.addFirst(withFileChange);
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
757 if (withFileChange.parent1 != null) {
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
758 queue.addLast(withFileChange.parent1);
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
759 }
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
760 if (withFileChange.parent2 != null) {
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
761 queue.addLast(withFileChange.parent2);
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
762 }
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
763 } while (!queue.isEmpty());
511
122e0600799f Respect multiple joins/forks in a history of a single file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 510
diff changeset
764 Collections.sort(strippedHistoryList, new Comparator<HistoryNode>() {
122e0600799f Respect multiple joins/forks in a history of a single file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 510
diff changeset
765
122e0600799f Respect multiple joins/forks in a history of a single file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 510
diff changeset
766 public int compare(HistoryNode o1, HistoryNode o2) {
122e0600799f Respect multiple joins/forks in a history of a single file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 510
diff changeset
767 return o1.changeset - o2.changeset;
122e0600799f Respect multiple joins/forks in a history of a single file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 510
diff changeset
768 }
122e0600799f Respect multiple joins/forks in a history of a single file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 510
diff changeset
769 });
508
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
770 completeHistory = null;
ca5202afea90 Support follow history option when walking file history tree
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771 commitRevisions = null;
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772 // collected values are no longer valid - shall
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773 // strip off elements for missing HistoryNodes, but it's easier just to re-create the array
509
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774 // from resultHistory later, once (and if) needed
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775 return resultHistory = strippedHistoryList;
508
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776 }
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777
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778 /**
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779 * handy access to all HistoryNode[i].changeset values
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780 */
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781 int[] getCommitRevisions() {
509
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782 if (commitRevisions == null) {
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diff changeset
783 commitRevisions = new int[resultHistory.size()];
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diff changeset
784 int i = 0;
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785 for (HistoryNode n : resultHistory) {
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diff changeset
786 commitRevisions[i++] = n.changeset;
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787 }
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788 }
508
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789 return commitRevisions;
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790 }
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791 };
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792
516
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793 private abstract class HandlerDispatcher {
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794 private final int CACHE_CSET_IN_ADVANCE_THRESHOLD = 100; /* XXX is it really worth it? */
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795 // builds tree of nodes according to parents in file's revlog
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796 private final TreeBuildInspector treeBuildInspector = new TreeBuildInspector(followAncestry);
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797 private List<HistoryNode> changeHistory;
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798 protected ElementImpl ei = null;
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799 private ProgressSupport progress;
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800 protected HgDataFile currentFileNode;
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801 // node where current file history chunk intersects with same file under other name history
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802 // either mock of B(0) or A(k), depending on iteration order
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803 private HistoryNode junctionNode;
528
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804 // initialized when there's HgFileRenameHandlerMixin
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805 private HgFileRevision copiedFrom, copiedTo;
516
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806
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807 // parentProgress shall be initialized with 4 XXX refactor all this stuff with parentProgress
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808 public void prepare(ProgressSupport parentProgress, Pair<HgDataFile, Nodeid> renameInfo) {
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809 // if we don't followAncestry, take complete history
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diff changeset
810 // XXX treeBuildInspector knows followAncestry, perhaps the logic
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diff changeset
811 // whether to take specific revision or the last one shall be there?
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812 changeHistory = treeBuildInspector.go(renameInfo.first(), followAncestry ? renameInfo.second() : null);
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813 assert changeHistory.size() > 0;
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814 parentProgress.worked(1);
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815 int historyNodeCount = changeHistory.size();
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816 if (ei == null) {
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817 // when follow is true, changeHistory.size() of the first revision might be quite short
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diff changeset
818 // (e.g. bad fname recognized soon), hence ensure at least cache size at once
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819 ei = new ElementImpl(Math.max(CACHE_CSET_IN_ADVANCE_THRESHOLD, historyNodeCount));
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820 }
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821 if (historyNodeCount < CACHE_CSET_IN_ADVANCE_THRESHOLD ) {
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822 int[] commitRevisions = treeBuildInspector.getCommitRevisions();
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823 assert commitRevisions.length == changeHistory.size();
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824 // read bunch of changesets at once and cache 'em
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diff changeset
825 ei.initTransform();
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diff changeset
826 repo.getChangelog().range(ei, commitRevisions);
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diff changeset
827 parentProgress.worked(1);
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diff changeset
828 progress = new ProgressSupport.Sub(parentProgress, 2);
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diff changeset
829 } else {
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diff changeset
830 progress = new ProgressSupport.Sub(parentProgress, 3);
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diff changeset
831 }
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diff changeset
832 progress.start(historyNodeCount);
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diff changeset
833 // switch to present chunk's file node
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diff changeset
834 switchTo(renameInfo.first());
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diff changeset
835 }
528
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diff changeset
836
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diff changeset
837 public void updateJunctionPoint(Pair<HgDataFile, Nodeid> curRename, Pair<HgDataFile, Nodeid> nextRename, boolean needCopyFromTo) {
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diff changeset
838 copiedFrom = copiedTo = null;
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diff changeset
839 //
516
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diff changeset
840 // A (old) renamed to B(new). A(0..k..n) -> B(0..m). If followAncestry, k == n
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diff changeset
841 // curRename.second() points to A(k)
522
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diff changeset
842 if (iterateDirection == HgIterateDirection.OldToNew) {
516
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diff changeset
843 // looking at A chunk (curRename), nextRename points to B
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diff changeset
844 HistoryNode junctionSrc = findJunctionPointInCurrentChunk(curRename.second()); // A(k)
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diff changeset
845 HistoryNode junctionDestMock = treeBuildInspector.one(nextRename.first(), 0); // B(0)
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parents: 515
diff changeset
846 // junstionDestMock is mock object, once we iterate next rename, there'd be different HistoryNode
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diff changeset
847 // for B's first revision. This means we read it twice, but this seems to be reasonable
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diff changeset
848 // price for simplicity of the code (and opportunity to follow renames while not following ancestry)
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diff changeset
849 junctionSrc.bindChild(junctionDestMock);
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diff changeset
850 // Save mock A(k) 1) not to keep whole A history in memory 2) Don't need it's parent and children once get to B
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diff changeset
851 // moreover, children of original A(k) (junctionSrc) would list mock B(0) which is undesired once we iterate over real B
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diff changeset
852 junctionNode = new HistoryNode(junctionSrc.changeset, junctionSrc.fileRevision, null, null);
528
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diff changeset
853 if (needCopyFromTo) {
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diff changeset
854 copiedFrom = new HgFileRevision(curRename.first(), junctionNode.fileRevision, null); // "A", A(k)
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diff changeset
855 copiedTo = new HgFileRevision(nextRename.first(), junctionDestMock.fileRevision, copiedFrom.getPath()); // "B", B(0)
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diff changeset
856 }
516
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diff changeset
857 } else {
522
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diff changeset
858 assert iterateDirection == HgIterateDirection.NewToOld;
516
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parents: 515
diff changeset
859 // looking at B chunk (curRename), nextRename points at A
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diff changeset
860 HistoryNode junctionDest = changeHistory.get(0); // B(0)
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diff changeset
861 // prepare mock A(k)
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diff changeset
862 HistoryNode junctionSrcMock = treeBuildInspector.one(nextRename.first(), nextRename.second()); // A(k)
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diff changeset
863 // B(0) to list A(k) as its parent
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diff changeset
864 // NOTE, A(k) would be different when we reach A chunk on the next iteration,
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parents: 515
diff changeset
865 // but we do not care as long as TreeElement needs only parent/child changesets
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parents: 515
diff changeset
866 // and not other TreeElements; so that it's enough to have mock parent node (just
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diff changeset
867 // for the sake of parent cset revisions). We have to, indeed, update real A(k),
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parents: 515
diff changeset
868 // once we get to iteration over A, with B(0) (junctionDest) as one more child.
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parents: 515
diff changeset
869 junctionSrcMock.bindChild(junctionDest);
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diff changeset
870 // Save mock B(0), for reasons see above for opposite direction
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diff changeset
871 junctionNode = new HistoryNode(junctionDest.changeset, junctionDest.fileRevision, null, null);
528
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diff changeset
872 if (needCopyFromTo) {
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diff changeset
873 copiedFrom = new HgFileRevision(nextRename.first(), junctionSrcMock.fileRevision, null); // "A", A(k)
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diff changeset
874 copiedTo = new HgFileRevision(curRename.first(), junctionNode.fileRevision, copiedFrom.getPath()); // "B", B(0)
f7fbf48b9383 Report rename when walking file history regardless of followRenames parameter, solely based on HgFileRenameHandlerMixin presence
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diff changeset
875 }
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parents: 526
diff changeset
876 }
f7fbf48b9383 Report rename when walking file history regardless of followRenames parameter, solely based on HgFileRenameHandlerMixin presence
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
877 }
f7fbf48b9383 Report rename when walking file history regardless of followRenames parameter, solely based on HgFileRenameHandlerMixin presence
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
878
f7fbf48b9383 Report rename when walking file history regardless of followRenames parameter, solely based on HgFileRenameHandlerMixin presence
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
879 public void reportRenames(HgFileRenameHandlerMixin renameHandler) throws HgCallbackTargetException {
f7fbf48b9383 Report rename when walking file history regardless of followRenames parameter, solely based on HgFileRenameHandlerMixin presence
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
880 if (renameHandler != null) { // shall report renames
f7fbf48b9383 Report rename when walking file history regardless of followRenames parameter, solely based on HgFileRenameHandlerMixin presence
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
881 assert copiedFrom != null;
f7fbf48b9383 Report rename when walking file history regardless of followRenames parameter, solely based on HgFileRenameHandlerMixin presence
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
882 assert copiedTo != null;
f7fbf48b9383 Report rename when walking file history regardless of followRenames parameter, solely based on HgFileRenameHandlerMixin presence
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
883 renameHandler.copy(copiedFrom, copiedTo);
516
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
884 }
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
885 }
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
886
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
887 public void clearJunctionPoint() {
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
888 junctionNode = null;
528
f7fbf48b9383 Report rename when walking file history regardless of followRenames parameter, solely based on HgFileRenameHandlerMixin presence
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
889 copiedFrom = copiedTo = null;
516
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
890 }
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
891
528
f7fbf48b9383 Report rename when walking file history regardless of followRenames parameter, solely based on HgFileRenameHandlerMixin presence
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
892 /**
f7fbf48b9383 Report rename when walking file history regardless of followRenames parameter, solely based on HgFileRenameHandlerMixin presence
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
893 * Replace mock src/dest HistoryNode connected to junctionNode with a real one
f7fbf48b9383 Report rename when walking file history regardless of followRenames parameter, solely based on HgFileRenameHandlerMixin presence
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
894 */
f7fbf48b9383 Report rename when walking file history regardless of followRenames parameter, solely based on HgFileRenameHandlerMixin presence
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
895 public void connectWithLastJunctionPoint(Pair<HgDataFile, Nodeid> curRename, Pair<HgDataFile, Nodeid> prevRename) {
516
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
896 assert junctionNode != null;
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
897 // A renamed to B. A(0..k..n) -> B(0..m). If followAncestry: k == n
522
2103388d4010 Expose option to report changesets in reversed order
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 520
diff changeset
898 if (iterateDirection == HgIterateDirection.OldToNew) {
516
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
899 // forward, from old to new:
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
900 // changeHistory points to B
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
901 // Already reported: A(0)..A(n), A(k) is in junctionNode
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
902 // Shall connect histories: A(k).bind(B(0))
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
903 HistoryNode junctionDest = changeHistory.get(0); // B(0)
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
904 // junctionNode is A(k)
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
905 junctionNode.bindChild(junctionDest);
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
906 } else {
522
2103388d4010 Expose option to report changesets in reversed order
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 520
diff changeset
907 assert iterateDirection == HgIterateDirection.NewToOld;
516
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
908 // changeHistory points to A
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
909 // Already reported B(m), B(m-1)...B(0), B(0) is in junctionNode
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
910 // Shall connect histories A(k).bind(B(0))
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
911 // if followAncestry: A(k) is latest in changeHistory (k == n)
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
912 HistoryNode junctionSrc = findJunctionPointInCurrentChunk(curRename.second()); // A(k)
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
913 junctionSrc.bindChild(junctionNode);
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
914 }
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
915 }
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
916
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
917 private HistoryNode findJunctionPointInCurrentChunk(Nodeid fileRevision) {
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
918 if (followAncestry) {
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
919 // use the fact we don't go past junction point when followAncestry == true
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
920 HistoryNode rv = changeHistory.get(changeHistory.size() - 1);
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
921 assert rv.fileRevision.equals(fileRevision);
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
922 return rv;
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
923 }
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
924 for (HistoryNode n : changeHistory) {
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
925 if (n.fileRevision.equals(fileRevision)) {
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
926 return n;
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
927 }
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
928 }
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
929 int csetStart = changeHistory.get(0).changeset;
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
930 int csetEnd = changeHistory.get(changeHistory.size() - 1).changeset;
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
931 throw new HgInvalidStateException(String.format("For change history (cset[%d..%d]) could not find node for file change %s", csetStart, csetEnd, fileRevision.shortNotation()));
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
932 }
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
933
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
934 protected abstract void once(HistoryNode n) throws HgCallbackTargetException, CancelledException;
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
935
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
936 public void dispatchAllChanges() throws HgCallbackTargetException, CancelledException {
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
937 // XXX shall sort changeHistory according to changeset numbers?
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
938 Iterator<HistoryNode> it;
522
2103388d4010 Expose option to report changesets in reversed order
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 520
diff changeset
939 if (iterateDirection == HgIterateDirection.OldToNew) {
516
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
940 it = changeHistory.listIterator();
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
941 } else {
522
2103388d4010 Expose option to report changesets in reversed order
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 520
diff changeset
942 assert iterateDirection == HgIterateDirection.NewToOld;
516
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
943 it = new ReverseIterator<HistoryNode>(changeHistory);
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
944 }
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
945 while(it.hasNext()) {
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
946 HistoryNode n = it.next();
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
947 once(n);
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
948 progress.worked(1);
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
949 }
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
950 changeHistory = null;
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
951 }
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
952
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
953 public void switchTo(HgDataFile df) {
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
954 // from now on, use df in TreeElement
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
955 currentFileNode = df;
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
956 }
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
957 }
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
958
507
a6435c1a42d0 Test for HgChangesetTreeHandler - make sure nothing is broken prior to adding --follow support
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
959
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
960 //
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
961
520
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 518
diff changeset
962 private class FilteringInspector extends AdapterPlug implements HgChangelog.Inspector, Adaptable {
518
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
963
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
964 private int firstCset = BAD_REVISION, lastCset = BAD_REVISION;
520
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 518
diff changeset
965 private HgChangelog.Inspector delegate;
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 518
diff changeset
966 // we use lifecycle to stop when limit is reached.
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 518
diff changeset
967 // delegate, however, may use lifecycle, too, so give it a chance
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 518
diff changeset
968 private LifecycleProxy lifecycleProxy;
518
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
969
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
970 // limit to changesets in this range only
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
971 public void changesets(int start, int end) {
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
972 firstCset = start;
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
973 lastCset = end;
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
974 }
520
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 518
diff changeset
975
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 518
diff changeset
976 public void delegateTo(HgChangelog.Inspector inspector) {
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 518
diff changeset
977 delegate = inspector;
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 518
diff changeset
978 // let delegate control life cycle, too
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 518
diff changeset
979 if (lifecycleProxy == null) {
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 518
diff changeset
980 super.attachAdapter(Lifecycle.class, lifecycleProxy = new LifecycleProxy(inspector));
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 518
diff changeset
981 } else {
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 518
diff changeset
982 lifecycleProxy.init(inspector);
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 518
diff changeset
983 }
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 518
diff changeset
984 }
518
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
985
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
986 public void next(int revisionNumber, Nodeid nodeid, RawChangeset cset) {
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diff changeset
987 if (limit > 0 && count >= limit) {
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diff changeset
988 return;
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diff changeset
989 }
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diff changeset
990 // XXX may benefit from optional interface with #isInterested(int csetRev) - to avoid
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diff changeset
991 // RawChangeset instantiation
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diff changeset
992 if (firstCset != BAD_REVISION && revisionNumber < firstCset) {
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
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diff changeset
993 return;
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diff changeset
994 }
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diff changeset
995 if (lastCset != BAD_REVISION && revisionNumber > lastCset) {
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
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diff changeset
996 return;
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parents: 517
diff changeset
997 }
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
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parents: 517
diff changeset
998 if (branches != null && !branches.contains(cset.branch())) {
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
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parents: 517
diff changeset
999 return;
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parents: 517
diff changeset
1000 }
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parents: 517
diff changeset
1001 if (users != null) {
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diff changeset
1002 String csetUser = cset.user().toLowerCase();
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
1003 boolean found = false;
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
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parents: 517
diff changeset
1004 for (String u : users) {
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
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parents: 517
diff changeset
1005 if (csetUser.indexOf(u) != -1) {
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
1006 found = true;
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
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parents: 517
diff changeset
1007 break;
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
1008 }
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
1009 }
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
1010 if (!found) {
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
1011 return;
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1012 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1013 }
518
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
1014 if (date != null) {
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
1015 // TODO post-1.0 implement date support for log
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
1016 }
520
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 518
diff changeset
1017 delegate.next(revisionNumber, nodeid, cset);
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 518
diff changeset
1018 count++;
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 518
diff changeset
1019 if (limit > 0 && count >= limit) {
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 518
diff changeset
1020 lifecycleProxy.stop();
64
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1021 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1022 }
520
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 518
diff changeset
1023 }
518
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
1024
432
1fc0da631200 Revlog.ParentWalker helper class got promoted as TLC, renamed to HgParentChildMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 431
diff changeset
1025 private HgParentChildMap<HgChangelog> getParentHelper(boolean create) throws HgInvalidControlFileException {
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1026 if (parentHelper == null && create) {
432
1fc0da631200 Revlog.ParentWalker helper class got promoted as TLC, renamed to HgParentChildMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 431
diff changeset
1027 parentHelper = new HgParentChildMap<HgChangelog>(repo.getChangelog());
195
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 193
diff changeset
1028 parentHelper.init();
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 193
diff changeset
1029 }
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 193
diff changeset
1030 return parentHelper;
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 193
diff changeset
1031 }
520
1ee452f31187 Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 518
diff changeset
1032
205
ffc5f6d59f7e HgLogCommand.Handler is used in few places, pull up to top-level class, HgChangesetHandler
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 195
diff changeset
1033 public static class CollectHandler implements HgChangesetHandler {
129
645829962785 core.Cset renamed to HgChangeset; repo.Changeset moved into HgChangelog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 126
diff changeset
1034 private final List<HgChangeset> result = new LinkedList<HgChangeset>();
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1035
129
645829962785 core.Cset renamed to HgChangeset; repo.Changeset moved into HgChangelog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 126
diff changeset
1036 public List<HgChangeset> getChanges() {
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1037 return Collections.unmodifiableList(result);
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1038 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1039
427
31a89587eb04 FIXMEs: consistent names, throws for commands and their handlers. Use of checked exceptions in hi-level api
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
1040 public void cset(HgChangeset changeset) {
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1041 result.add(changeset.clone());
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1042 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1043 }
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1044
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1045 private static class HistoryNode {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
1046 final int changeset;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
1047 final Nodeid fileRevision;
509
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
1048 HistoryNode parent1; // there's special case when we can alter it, see #bindChild()
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
1049 final HistoryNode parent2;
328
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1050 List<HistoryNode> children;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1051
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1052 HistoryNode(int cs, Nodeid revision, HistoryNode p1, HistoryNode p2) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1053 changeset = cs;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1054 fileRevision = revision;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1055 parent1 = p1;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1056 parent2 = p2;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1057 if (p1 != null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1058 p1.addChild(this);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1059 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1060 if (p2 != null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1061 p2.addChild(this);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1062 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1063 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1064
509
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
1065 private void addChild(HistoryNode child) {
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1066 if (children == null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1067 children = new ArrayList<HistoryNode>(2);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1068 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1069 children.add(child);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1070 }
509
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
1071
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
1072 /**
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
1073 * method to merge two history chunks for renamed file so that
517
9922d1f7cb2a Update test to use new command configuration argument (used to have followAncestry == true by default)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 516
diff changeset
1074 * this node's history continues (or forks, if we don't followAncestry)
9922d1f7cb2a Update test to use new command configuration argument (used to have followAncestry == true by default)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 516
diff changeset
1075 * with that of child
509
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
1076 * @param child
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
1077 */
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
1078 public void bindChild(HistoryNode child) {
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
1079 assert child.parent1 == null && child.parent2 == null;
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
1080 child.parent1 = this;
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
1081 addChild(child);
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
1082 }
511
122e0600799f Respect multiple joins/forks in a history of a single file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 510
diff changeset
1083
122e0600799f Respect multiple joins/forks in a history of a single file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 510
diff changeset
1084 public String toString() {
122e0600799f Respect multiple joins/forks in a history of a single file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 510
diff changeset
1085 return String.format("<cset:%d, parents: %s, %s>", changeset, parent1 == null ? "-" : String.valueOf(parent1.changeset), parent2 == null ? "-" : String.valueOf(parent2.changeset));
122e0600799f Respect multiple joins/forks in a history of a single file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 510
diff changeset
1086 }
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1087 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1088
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1089 private class ElementImpl implements HgChangesetTreeHandler.TreeElement, HgChangelog.Inspector {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1090 private HistoryNode historyNode;
515
e6c8b9b654b2 Provide access to HgDataFile being iterated into HgChangesetTreeHandler.TreeElement to give context for renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 514
diff changeset
1091 private HgDataFile fileNode;
328
a674b8590362 Move file tree history to upper API level
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parents: 322
diff changeset
1092 private Pair<HgChangeset, HgChangeset> parents;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1093 private List<HgChangeset> children;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1094 private IntMap<HgChangeset> cachedChangesets;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1095 private ChangesetTransformer.Transformation transform;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1096 private Nodeid changesetRevision;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1097 private Pair<Nodeid,Nodeid> parentRevisions;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1098 private List<Nodeid> childRevisions;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1099
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1100 public ElementImpl(int total) {
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parents: 322
diff changeset
1101 cachedChangesets = new IntMap<HgChangeset>(total);
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1102 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1103
515
e6c8b9b654b2 Provide access to HgDataFile being iterated into HgChangesetTreeHandler.TreeElement to give context for renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 514
diff changeset
1104 ElementImpl init(HistoryNode n, HgDataFile df) {
328
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diff changeset
1105 historyNode = n;
515
e6c8b9b654b2 Provide access to HgDataFile being iterated into HgChangesetTreeHandler.TreeElement to give context for renamed files
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diff changeset
1106 fileNode = df;
328
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diff changeset
1107 parents = null;
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diff changeset
1108 children = null;
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diff changeset
1109 changesetRevision = null;
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diff changeset
1110 parentRevisions = null;
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diff changeset
1111 childRevisions = null;
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diff changeset
1112 return this;
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diff changeset
1113 }
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diff changeset
1114
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diff changeset
1115 public Nodeid fileRevision() {
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diff changeset
1116 return historyNode.fileRevision;
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diff changeset
1117 }
515
e6c8b9b654b2 Provide access to HgDataFile being iterated into HgChangesetTreeHandler.TreeElement to give context for renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 514
diff changeset
1118
e6c8b9b654b2 Provide access to HgDataFile being iterated into HgChangesetTreeHandler.TreeElement to give context for renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 514
diff changeset
1119 public HgDataFile file() {
e6c8b9b654b2 Provide access to HgDataFile being iterated into HgChangesetTreeHandler.TreeElement to give context for renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 514
diff changeset
1120 return fileNode;
e6c8b9b654b2 Provide access to HgDataFile being iterated into HgChangesetTreeHandler.TreeElement to give context for renamed files
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parents: 514
diff changeset
1121 }
328
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diff changeset
1122
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 419
diff changeset
1123 public HgChangeset changeset() {
328
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diff changeset
1124 return get(historyNode.changeset)[0];
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1125 }
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diff changeset
1126
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
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parents: 419
diff changeset
1127 public Pair<HgChangeset, HgChangeset> parents() {
328
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diff changeset
1128 if (parents != null) {
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diff changeset
1129 return parents;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
1130 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
1131 HistoryNode p;
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diff changeset
1132 final int p1, p2;
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diff changeset
1133 if ((p = historyNode.parent1) != null) {
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parents: 322
diff changeset
1134 p1 = p.changeset;
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parents: 322
diff changeset
1135 } else {
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parents: 322
diff changeset
1136 p1 = -1;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1137 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1138 if ((p = historyNode.parent2) != null) {
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parents: 322
diff changeset
1139 p2 = p.changeset;
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parents: 322
diff changeset
1140 } else {
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parents: 322
diff changeset
1141 p2 = -1;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1142 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
1143 HgChangeset[] r = get(p1, p2);
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parents: 322
diff changeset
1144 return parents = new Pair<HgChangeset, HgChangeset>(r[0], r[1]);
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parents: 322
diff changeset
1145 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1146
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 419
diff changeset
1147 public Collection<HgChangeset> children() {
328
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parents: 322
diff changeset
1148 if (children != null) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1149 return children;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1150 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1151 if (historyNode.children == null) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1152 children = Collections.emptyList();
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1153 } else {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1154 int[] childrentChangesetNumbers = new int[historyNode.children.size()];
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1155 int j = 0;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1156 for (HistoryNode hn : historyNode.children) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1157 childrentChangesetNumbers[j++] = hn.changeset;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1158 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1159 children = Arrays.asList(get(childrentChangesetNumbers));
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1160 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1161 return children;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1162 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1163
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1164 void populate(HgChangeset cs) {
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1165 cachedChangesets.put(cs.getRevisionIndex(), cs);
328
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1166 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1167
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 419
diff changeset
1168 private HgChangeset[] get(int... changelogRevisionIndex) {
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1169 HgChangeset[] rv = new HgChangeset[changelogRevisionIndex.length];
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1170 IntVector misses = new IntVector(changelogRevisionIndex.length, -1);
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1171 for (int i = 0; i < changelogRevisionIndex.length; i++) {
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1172 if (changelogRevisionIndex[i] == -1) {
328
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1173 rv[i] = null;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1174 continue;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1175 }
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1176 HgChangeset cached = cachedChangesets.get(changelogRevisionIndex[i]);
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1177 if (cached != null) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1178 rv[i] = cached;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1179 } else {
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1180 misses.add(changelogRevisionIndex[i]);
328
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1181 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1182 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1183 if (misses.size() > 0) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1184 final int[] changesets2read = misses.toArray();
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1185 initTransform();
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1186 repo.getChangelog().range(this, changesets2read);
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1187 for (int changeset2read : changesets2read) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1188 HgChangeset cs = cachedChangesets.get(changeset2read);
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1189 if (cs == null) {
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 419
diff changeset
1190 HgInvalidStateException t = new HgInvalidStateException(String.format("Can't get changeset for revision %d", changeset2read));
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 419
diff changeset
1191 throw t.setRevisionIndex(changeset2read);
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1192 }
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1193 // HgChangelog.range may reorder changesets according to their order in the changelog
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1194 // thus need to find original index
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1195 boolean sanity = false;
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1196 for (int i = 0; i < changelogRevisionIndex.length; i++) {
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1197 if (changelogRevisionIndex[i] == cs.getRevisionIndex()) {
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1198 rv[i] = cs;
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1199 sanity = true;
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1200 break;
328
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parents: 322
diff changeset
1201 }
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1202 }
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1203 if (!sanity) {
490
b3c16d1aede0 Refactoring: move HgRepository's implementation aspects to Internals (which is now its imlementation counterpart and primary repository class to be used by other parts of the library)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 457
diff changeset
1204 repo.getSessionContext().getLog().dump(getClass(), Error, "Index of revision %d:%s doesn't match any of requested", cs.getRevisionIndex(), cs.getNodeid().shortNotation());
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1205 }
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1206 assert sanity;
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1207 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1208 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1209 return rv;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1210 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1211
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1212 // init only when needed
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 419
diff changeset
1213 void initTransform() throws HgRuntimeException {
328
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1214 if (transform == null) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1215 transform = new ChangesetTransformer.Transformation(new HgStatusCollector(repo)/*XXX try to reuse from context?*/, getParentHelper(false));
a674b8590362 Move file tree history to upper API level
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parents: 322
diff changeset
1216 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1217 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1218
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1219 public void next(int revisionNumber, Nodeid nodeid, RawChangeset cset) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1220 HgChangeset cs = transform.handle(revisionNumber, nodeid, cset);
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1221 populate(cs.clone());
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1222 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1223
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 419
diff changeset
1224 public Nodeid changesetRevision() {
328
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1225 if (changesetRevision == null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1226 changesetRevision = getRevision(historyNode.changeset);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1227 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1228 return changesetRevision;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1229 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1230
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 419
diff changeset
1231 public Pair<Nodeid, Nodeid> parentRevisions() {
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1232 if (parentRevisions == null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1233 HistoryNode p;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
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1234 final Nodeid p1, p2;
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1235 if ((p = historyNode.parent1) != null) {
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diff changeset
1236 p1 = getRevision(p.changeset);
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1237 } else {
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diff changeset
1238 p1 = Nodeid.NULL;;
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1239 }
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1240 if ((p = historyNode.parent2) != null) {
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diff changeset
1241 p2 = getRevision(p.changeset);
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parents: 322
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1242 } else {
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diff changeset
1243 p2 = Nodeid.NULL;
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1244 }
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1245 parentRevisions = new Pair<Nodeid, Nodeid>(p1, p2);
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1246 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1247 return parentRevisions;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1248 }
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diff changeset
1249
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
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diff changeset
1250 public Collection<Nodeid> childRevisions() {
328
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1251 if (childRevisions != null) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1252 return childRevisions;
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parents: 322
diff changeset
1253 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1254 if (historyNode.children == null) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1255 childRevisions = Collections.emptyList();
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parents: 322
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1256 } else {
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parents: 322
diff changeset
1257 ArrayList<Nodeid> rv = new ArrayList<Nodeid>(historyNode.children.size());
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parents: 322
diff changeset
1258 for (HistoryNode hn : historyNode.children) {
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parents: 322
diff changeset
1259 rv.add(getRevision(hn.changeset));
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1260 }
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parents: 322
diff changeset
1261 childRevisions = Collections.unmodifiableList(rv);
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parents: 322
diff changeset
1262 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1263 return childRevisions;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1264 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1265
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parents: 322
diff changeset
1266 // reading nodeid involves reading index only, guess, can afford not to optimize multiple reads
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 419
diff changeset
1267 private Nodeid getRevision(int changelogRevisionNumber) {
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
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parents: 419
diff changeset
1268 // TODO post-1.0 pipe through pool
328
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parents: 322
diff changeset
1269 HgChangeset cs = cachedChangesets.get(changelogRevisionNumber);
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parents: 322
diff changeset
1270 if (cs != null) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1271 return cs.getNodeid();
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parents: 322
diff changeset
1272 } else {
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1273 return repo.getChangelog().getRevision(changelogRevisionNumber);
328
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1274 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1275 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1276 }
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1277 }