Mercurial > hg4j

annotate src/org/tmatesoft/hg/core/HgLogCommand.java @ 522:2103388d4010 v1.1m2

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Expose option to report changesets in reversed order
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Wed, 26 Dec 2012 18:14:53 +0100
parents 1ee452f31187
children 2f9ed6bcefa2
rev   line source
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1 /*
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2 s * Copyright (c) 2011-2012 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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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.ListIterator;
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34 import java.util.Set;
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35 import java.util.TreeSet;
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36
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37 import org.tmatesoft.hg.internal.AdapterPlug;
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38 import org.tmatesoft.hg.internal.BatchRangeHelper;
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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.Lifecycle;
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42 import org.tmatesoft.hg.internal.LifecycleProxy;
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43 import org.tmatesoft.hg.repo.HgChangelog;
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44 import org.tmatesoft.hg.repo.HgChangelog.RawChangeset;
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45 import org.tmatesoft.hg.repo.HgDataFile;
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46 import org.tmatesoft.hg.repo.HgInvalidControlFileException;
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47 import org.tmatesoft.hg.repo.HgInvalidRevisionException;
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48 import org.tmatesoft.hg.repo.HgInvalidStateException;
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49 import org.tmatesoft.hg.repo.HgParentChildMap;
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50 import org.tmatesoft.hg.repo.HgRepository;
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51 import org.tmatesoft.hg.repo.HgRuntimeException;
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52 import org.tmatesoft.hg.repo.HgStatusCollector;
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53 import org.tmatesoft.hg.util.Adaptable;
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54 import org.tmatesoft.hg.util.CancelSupport;
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55 import org.tmatesoft.hg.util.CancelledException;
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56 import org.tmatesoft.hg.util.Pair;
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57 import org.tmatesoft.hg.util.Path;
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58 import org.tmatesoft.hg.util.ProgressSupport;
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61 /**
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62 * Access to changelog, 'hg log' command counterpart.
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63 *
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64 * <pre>
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65 * Usage:
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66 * new LogCommand().limit(20).branch("maintenance-2.1").user("me").execute(new MyHandler());
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67 * </pre>
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68 * Not thread-safe (each thread has to use own {@link HgLogCommand} instance).
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69 *
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70 * @author Artem Tikhomirov
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71 * @author TMate Software Ltd.
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72 */
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73 public class HgLogCommand extends HgAbstractCommand<HgLogCommand> {
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75 private final HgRepository repo;
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76 private Set<String> users;
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77 private Set<String> branches;
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78 private int limit = 0, count = 0;
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79 private int startRev = 0, endRev = TIP;
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80 private Calendar date;
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81 private Path file;
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82 /*
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83 * Whether to iterate file origins, if any.
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84 * Makes sense only when file != null
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85 */
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86 private boolean followRenames;
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87 /*
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88 * Whether to track history of the selected file version (based on file revision
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89 * in working dir parent), follow ancestors only.
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90 * Note, 'hg log --follow' combines both #followHistory and #followAncestry
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91 */
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92 private boolean followAncestry;
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93
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94 private HgIterateDirection iterateDirection = HgIterateDirection.OldToNew;
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95
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96 private ChangesetTransformer csetTransform;
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97 private HgParentChildMap<HgChangelog> parentHelper;
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98
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99 public HgLogCommand(HgRepository hgRepo) {
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100 repo = hgRepo;
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101 }
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103 /**
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104 * Limit search to specified user. Multiple user names may be specified. Once set, user names can't be
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105 * cleared, use new command instance in such cases.
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106 * @param user - full or partial name of the user, case-insensitive, non-null.
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107 * @return <code>this</code> instance for convenience
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108 * @throws IllegalArgumentException when argument is null
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109 */
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110 public HgLogCommand user(String user) {
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111 if (user == null) {
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112 throw new IllegalArgumentException();
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113 }
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114 if (users == null) {
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115 users = new TreeSet<String>();
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116 }
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117 users.add(user.toLowerCase());
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118 return this;
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119 }
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120
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121 /**
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122 * Limit search to specified branch. Multiple branch specification possible (changeset from any of these
148
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123 * would be included in result). If unspecified, all branches are considered. There's no way to clean branch selection
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124 * once set, create fresh new command instead.
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125 * @param branch - branch name, case-sensitive, non-null.
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126 * @return <code>this</code> instance for convenience
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127 * @throws IllegalArgumentException when branch argument is null
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128 */
131
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129 public HgLogCommand branch(String branch) {
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130 if (branch == null) {
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131 throw new IllegalArgumentException();
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132 }
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133 if (branches == null) {
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134 branches = new TreeSet<String>();
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135 }
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136 branches.add(branch);
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137 return this;
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138 }
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139
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140 // limit search to specific date
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141 // multiple?
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142 public HgLogCommand date(Calendar date) {
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143 this.date = date;
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144 // TODO post-1.0 implement
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145 // isSet(field) - false => don't use in detection of 'same date'
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146 throw HgRepository.notImplemented();
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147 }
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148
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149 /**
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150 *
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151 * @param num - number of changeset to produce. Pass 0 to clear the limit.
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152 * @return <code>this</code> instance for convenience
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153 */
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154 public HgLogCommand limit(int num) {
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155 limit = num;
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156 return this;
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157 }
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158
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159 /**
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160 * Limit to specified subset of Changelog, [min(rev1,rev2), max(rev1,rev2)], inclusive.
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161 * Revision may be specified with {@link HgRepository#TIP}
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162 *
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163 * @param rev1 - local index of start changeset revision
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164 * @param rev2 - index of end changeset revision
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165 * @return <code>this</code> instance for convenience
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166 */
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167 public HgLogCommand range(int rev1, int rev2) {
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168 if (rev1 != TIP && rev2 != TIP) {
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169 startRev = rev2 < rev1 ? rev2 : rev1;
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170 endRev = startRev == rev2 ? rev1 : rev2;
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171 } else if (rev1 == TIP && rev2 != TIP) {
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172 startRev = rev2;
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173 endRev = rev1;
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174 } else {
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175 startRev = rev1;
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176 endRev = rev2;
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177 }
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178 return this;
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179 }
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180
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181 /**
253
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182 * Select specific changeset
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183 *
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184 * @param nid changeset revision
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185 * @return <code>this</code> for convenience
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186 * @throws HgBadArgumentException if failed to find supplied changeset revision
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187 */
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188 public HgLogCommand changeset(Nodeid nid) throws HgBadArgumentException {
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189 // XXX perhaps, shall support multiple (...) arguments and extend #execute to handle not only range, but also set of revisions.
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190 try {
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191 final int csetRevIndex = repo.getChangelog().getRevisionIndex(nid);
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192 return range(csetRevIndex, csetRevIndex);
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193 } catch (HgInvalidRevisionException ex) {
427
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194 throw new HgBadArgumentException("Can't find revision", ex).setRevision(nid);
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195 }
253
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196 }
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197
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198 /**
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199 * 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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200 * follow file ancestry, but reports complete file history (with <code>followCopyRenames == true</code>, for each
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201 * 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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202 * {@link #file(Path, boolean, boolean) file(filePath, true, true)} alternative.
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203 *
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204 * @param filePath path relative to repository root. Pass <code>null</code> to reset.
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205 * @param followCopyRename true to report changesets of the original file(-s), if copy/rename ever occured to the file.
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206 * @return <code>this</code> for convenience
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207 */
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208 public HgLogCommand file(Path filePath, boolean followCopyRename) {
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209 return file(filePath, followCopyRename, false);
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210 }
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211
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212 /**
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213 * Full control over file history iteration.
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214 *
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215 * @param filePath path relative to repository root. Pass <code>null</code> to reset.
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216 * @param followCopyRename true to report changesets of the original file(-s), if copy/rename ever occured to the file.
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217 * @param followFileAncestry true to follow file history starting from revision at working copy parent. Note, only revisions
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218 * 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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219 * behaves, with the difference that this method allows separate control whether to follow renames or not.
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220 *
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221 * @return <code>this</code> for convenience
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222 */
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223 public HgLogCommand file(Path filePath, boolean followCopyRename, boolean followFileAncestry) {
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224 file = filePath;
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225 followRenames = followCopyRename;
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226 followAncestry = followFileAncestry;
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227 return this;
64
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228 }
142
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229
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230 /**
516
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231 * Handy analog to {@link #file(Path, boolean)} when clients' paths come from filesystem and need conversion to repository's
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232 * @return <code>this</code> for convenience
142
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233 */
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234 public HgLogCommand file(String file, boolean followCopyRename) {
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235 return file(Path.create(repo.getToRepoPathHelper().rewrite(file)), followCopyRename);
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236 }
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237
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238 /**
516
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239 * Handy analog to {@link #file(Path, boolean, boolean)} when clients' paths come from filesystem and need conversion to repository's
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240 * @return <code>this</code> for convenience
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241 */
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242 public HgLogCommand file(String file, boolean followCopyRename, boolean followFileAncestry) {
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243 return file(Path.create(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 /**
419
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260 * Similar to {@link #execute(HgChangesetHandler)}, collects and return result as a list.
427
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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 */
396
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265 public List<HgChangeset> execute() throws HgException {
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266 CollectHandler collector = new CollectHandler();
215
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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;
396
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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
423
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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 /**
402
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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 }
518
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300 final int lastCset = endRev == TIP ? repo.getChangelog().getLastRevision() : endRev;
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301 // XXX pretty much like HgInternals.checkRevlogRange
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302 if (lastCset < 0 || lastCset > repo.getChangelog().getLastRevision()) {
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303 throw new HgBadArgumentException(String.format("Bad value %d for end revision", endRev), null);
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304 }
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305 if (startRev < 0 || startRev > lastCset) {
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306 throw new HgBadArgumentException(String.format("Bad value %d for start revision for range [%1$d..%d]", startRev, lastCset), null);
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307 }
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308 final ProgressSupport progressHelper = getProgressSupport(handler);
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309 final int BATCH_SIZE = 100;
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310 try {
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311 count = 0;
432
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312 HgParentChildMap<HgChangelog> pw = getParentHelper(file == null); // leave it uninitialized unless we iterate whole repo
193
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313 // ChangesetTransfrom creates a blank PathPool, and #file(String, boolean) above
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314 // may utilize it as well. CommandContext? How about StatusCollector there as well?
322
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315 csetTransform = new ChangesetTransformer(repo, handler, pw, progressHelper, getCancelSupport(handler, true));
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316 // FilteringInspector is responsible to check command arguments: users, branches, limit, etc.
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317 // prior to passing cset to next Inspector, which is either (a) collector to reverse cset order, then invokes
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318 // transformer from (b), below, with alternative cset order or (b) transformer to hi-level csets.
518
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319 FilteringInspector filterInsp = new FilteringInspector();
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320 filterInsp.changesets(startRev, lastCset);
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321 if (file == null) {
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322 progressHelper.start(lastCset - startRev + 1);
522
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323 if (iterateDirection == HgIterateDirection.OldToNew) {
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324 filterInsp.delegateTo(csetTransform);
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325 repo.getChangelog().range(startRev, lastCset, filterInsp);
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326 csetTransform.checkFailure();
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327 } else {
522
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328 assert iterateDirection == HgIterateDirection.NewToOld;
520
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329 BatchRangeHelper brh = new BatchRangeHelper(startRev, lastCset, BATCH_SIZE, true);
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330 BatchChangesetInspector batchInspector = new BatchChangesetInspector(Math.min(lastCset-startRev+1, BATCH_SIZE));
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331 filterInsp.delegateTo(batchInspector);
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332 while (brh.hasNext()) {
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333 brh.next();
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334 repo.getChangelog().range(brh.start(), brh.end(), filterInsp);
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335 for (BatchChangesetInspector.BatchRecord br : batchInspector.iterate(true)) {
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336 csetTransform.next(br.csetIndex, br.csetRevision, br.cset);
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diff changeset
337 csetTransform.checkFailure();
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338 }
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339 batchInspector.reset();
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340 }
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341 }
77
c677e1593919 Moved RevlogStream implementation into .internal
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diff changeset
342 } else {
520
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diff changeset
343 filterInsp.delegateTo(csetTransform);
514
5dcb4581c8ef Report renames when following file history tree with HgFileRenameHandlerMixin
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diff changeset
344 final HgFileRenameHandlerMixin withCopyHandler = Adaptable.Factory.getAdapter(handler, HgFileRenameHandlerMixin.class, null);
518
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345 List<Pair<HgDataFile, Nodeid>> fileRenames = buildFileRenamesQueue();
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346 progressHelper.start(-1/*XXX enum const, or a dedicated method startUnspecified(). How about startAtLeast(int)?*/);
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347
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348 for (int nameIndex = 0, fileRenamesSize = fileRenames.size(); nameIndex < fileRenamesSize; nameIndex++) {
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349 Pair<HgDataFile, Nodeid> curRename = fileRenames.get(nameIndex);
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350 HgDataFile fileNode = curRename.first();
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351 if (followAncestry) {
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352 TreeBuildInspector treeBuilder = new TreeBuildInspector(followAncestry);
520
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353 @SuppressWarnings("unused")
518
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354 List<HistoryNode> fileAncestry = treeBuilder.go(fileNode, curRename.second());
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355 int[] commitRevisions = narrowChangesetRange(treeBuilder.getCommitRevisions(), startRev, lastCset);
522
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356 if (iterateDirection == HgIterateDirection.OldToNew) {
518
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357 repo.getChangelog().range(filterInsp, commitRevisions);
520
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358 csetTransform.checkFailure();
518
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359 } else {
522
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360 assert iterateDirection == HgIterateDirection.NewToOld;
518
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361 // visit one by one in the opposite direction
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362 for (int i = commitRevisions.length-1; i >= 0; i--) {
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363 int csetWithFileChange = commitRevisions[i];
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364 repo.getChangelog().range(csetWithFileChange, csetWithFileChange, filterInsp);
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365 }
126
b92a638764be Dispatch chnagesets even if Handler is not FileHistoryHandler
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366 }
518
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367 } else {
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368 // 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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369 int fileStartRev = 0; //fileNode.getChangesetRevisionIndex(0) >= startRev
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370 int fileEndRev = fileNode.getLastRevision();
522
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371 if (iterateDirection == HgIterateDirection.OldToNew) {
520
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372 fileNode.history(fileStartRev, fileEndRev, filterInsp);
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373 csetTransform.checkFailure();
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374 } else {
522
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375 assert iterateDirection == HgIterateDirection.NewToOld;
520
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376 BatchRangeHelper brh = new BatchRangeHelper(fileStartRev, fileEndRev, BATCH_SIZE, true);
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377 BatchChangesetInspector batchInspector = new BatchChangesetInspector(Math.min(fileEndRev-fileStartRev+1, BATCH_SIZE));
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378 filterInsp.delegateTo(batchInspector);
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379 while (brh.hasNext()) {
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380 brh.next();
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381 fileNode.history(brh.start(), brh.end(), filterInsp);
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382 for (BatchChangesetInspector.BatchRecord br : batchInspector.iterate(true /*iterateDirection == IterateDirection.FromNewToOld*/)) {
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383 csetTransform.next(br.csetIndex, br.csetRevision, br.cset);
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diff changeset
384 csetTransform.checkFailure();
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385 }
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diff changeset
386 batchInspector.reset();
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387 }
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388 }
518
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389 }
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diff changeset
390 if (followRenames && withCopyHandler != null && nameIndex + 1 < fileRenamesSize) {
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diff changeset
391 Pair<HgDataFile, Nodeid> nextRename = fileRenames.get(nameIndex+1);
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392 HgFileRevision src, dst;
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diff changeset
393 // A -> B
522
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diff changeset
394 if (iterateDirection == HgIterateDirection.OldToNew) {
518
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diff changeset
395 // curRename: A, nextRename: B
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diff changeset
396 src = new HgFileRevision(fileNode, curRename.second(), null);
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diff changeset
397 dst = new HgFileRevision(nextRename.first(), nextRename.first().getRevision(0), src.getPath());
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diff changeset
398 } else {
522
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diff changeset
399 assert iterateDirection == HgIterateDirection.NewToOld;
518
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diff changeset
400 // curRename: B, nextRename: A
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diff changeset
401 src = new HgFileRevision(nextRename.first(), nextRename.second(), null);
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diff changeset
402 dst = new HgFileRevision(fileNode, fileNode.getRevision(0), src.getPath());
80
4222b04f34ee Follow history of a file
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diff changeset
403 }
518
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diff changeset
404 withCopyHandler.copy(src, dst);
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diff changeset
405 }
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diff changeset
406 } // for renames
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diff changeset
407 } // 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
408 } catch (HgRuntimeException ex) {
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diff changeset
409 throw new HgLibraryFailureException(ex);
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
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diff changeset
410 } finally {
193
37f3d4a596e4 Use common low to hi-level changeset api transformer
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diff changeset
411 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
412 progressHelper.done();
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
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diff changeset
413 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
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parents:
diff changeset
414 }
328
a674b8590362 Move file tree history to upper API level
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diff changeset
415
520
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diff changeset
416 private static class BatchChangesetInspector extends AdapterPlug implements HgChangelog.Inspector {
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diff changeset
417 private static class BatchRecord {
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diff changeset
418 public final int csetIndex;
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diff changeset
419 public final Nodeid csetRevision;
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diff changeset
420 public final RawChangeset cset;
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diff changeset
421
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diff changeset
422 public BatchRecord(int index, Nodeid nodeid, RawChangeset changeset) {
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diff changeset
423 csetIndex = index;
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diff changeset
424 csetRevision = nodeid;
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diff changeset
425 cset = changeset;
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diff changeset
426 }
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diff changeset
427 }
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diff changeset
428 private final ArrayList<BatchRecord> batch;
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diff changeset
429
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diff changeset
430 public BatchChangesetInspector(int batchSizeHint) {
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diff changeset
431 batch = new ArrayList<BatchRecord>(batchSizeHint);
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diff changeset
432 }
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diff changeset
433
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diff changeset
434 public BatchChangesetInspector reset() {
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diff changeset
435 batch.clear();
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diff changeset
436 return this;
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diff changeset
437 }
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diff changeset
438
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diff changeset
439 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
440 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
441 }
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 public Iterable<BatchRecord> iterate(final boolean reverse) {
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 return new Iterable<BatchRecord>() {
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
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 public Iterator<BatchRecord> iterator() {
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 return reverse ? new ReverseIterator<BatchRecord>(batch) : batch.iterator();
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 }
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
449 };
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
514
5dcb4581c8ef Report renames when following file history tree with HgFileRenameHandlerMixin
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 511
diff changeset
533 List<Pair<HgDataFile, Nodeid>> fileRenamesQueue = 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
534 // 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
535 // 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
536 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
537 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
538
514
5dcb4581c8ef Report renames when following file history tree with HgFileRenameHandlerMixin
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 511
diff changeset
539 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
540 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
541 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
542 if (namesIndex > 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
543 dispatcher.connectWithLastJunctionPoint(renameInfo, fileRenamesQueue.get(namesIndex - 1), renameHandler);
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
544 }
514
5dcb4581c8ef Report renames when following file history tree with HgFileRenameHandlerMixin
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 511
diff changeset
545 if (namesIndex + 1 < renamesQueueSize) {
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
546 // there's at least one more name we are going to look at
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547 dispatcher.updateJunctionPoint(renameInfo, fileRenamesQueue.get(namesIndex+1));
509
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548 } else {
516
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diff changeset
549 dispatcher.clearJunctionPoint();
509
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550 }
516
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diff changeset
551 dispatcher.dispatchAllChanges();
514
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552 } // for fileRenamesQueue;
328
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553 progressHelper.done();
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554 }
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555
510
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556 private static class ReverseIterator<E> implements Iterator<E> {
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557 private final ListIterator<E> listIterator;
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558
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diff changeset
559 public ReverseIterator(List<E> list) {
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diff changeset
560 listIterator = list.listIterator(list.size());
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561 }
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diff changeset
562
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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diff changeset
563 public boolean hasNext() {
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564 return listIterator.hasPrevious();
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565 }
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diff changeset
566 public E next() {
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diff changeset
567 return listIterator.previous();
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568 }
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diff changeset
569 public void remove() {
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diff changeset
570 listIterator.remove();
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571 }
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diff changeset
572 }
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573
507
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diff changeset
574 /**
508
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575 * Follows file renames and build a list of all corresponding file nodes and revisions they were
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576 * copied/renamed/branched at (IOW, their latest revision to look at).
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diff changeset
577 *
514
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diff changeset
578 * If {@link #followRenames} is <code>false</code>, the list contains one element only,
508
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diff changeset
579 * file node with the name of the file as it was specified by the user.
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diff changeset
580 *
514
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diff changeset
581 * For the most recent file revision depends on {@link #followAncestry}, and is file revision from working copy parent
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diff changeset
582 * in it's true. <code>null</code> indicates file's TIP revision shall be used.
508
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diff changeset
583 *
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diff changeset
584 * TODO may use HgFileRevision (after some refactoring to accept HgDataFile and Nodeid) instead of Pair
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diff changeset
585 * and possibly reuse this functionality
507
a6435c1a42d0 Test for HgChangesetTreeHandler - make sure nothing is broken prior to adding --follow support
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diff changeset
586 *
510
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diff changeset
587 * @return list of file renames, ordered with respect to {@link #iterateDirection}
507
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diff changeset
588 */
518
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
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diff changeset
589 private List<Pair<HgDataFile, Nodeid>> buildFileRenamesQueue() throws HgPathNotFoundException {
508
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diff changeset
590 LinkedList<Pair<HgDataFile, Nodeid>> rv = new LinkedList<Pair<HgDataFile, Nodeid>>();
514
5dcb4581c8ef Report renames when following file history tree with HgFileRenameHandlerMixin
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diff changeset
591 Nodeid startRev = null;
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diff changeset
592 HgDataFile fileNode = repo.getFileNode(file);
518
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
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parents: 517
diff changeset
593 if (!fileNode.exists()) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
594 throw new HgPathNotFoundException(String.format("File %s not found in the repository", file), file);
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
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parents: 517
diff changeset
595 }
514
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diff changeset
596 if (followAncestry) {
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diff changeset
597 // TODO subject to dedicated method either in HgRepository (getWorkingCopyParentRevisionIndex)
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diff changeset
598 // or in the HgDataFile (getWorkingCopyOriginRevision)
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diff changeset
599 Nodeid wdParentChangeset = repo.getWorkingCopyParents().first();
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diff changeset
600 if (!wdParentChangeset.isNull()) {
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diff changeset
601 int wdParentRevIndex = repo.getChangelog().getRevisionIndex(wdParentChangeset);
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diff changeset
602 startRev = repo.getManifest().getFileRevision(wdParentRevIndex, fileNode.getPath());
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603 }
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diff changeset
604 // else fall-through, assume null (eventually, lastRevision()) is ok here
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605 }
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diff changeset
606 rv.add(new Pair<HgDataFile, Nodeid>(fileNode, startRev));
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diff changeset
607 if (!followRenames) {
507
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608 return rv;
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609 }
514
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610 while (fileNode.isCopy()) {
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611 Path fp = fileNode.getCopySourceName();
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diff changeset
612 Nodeid copyRev = fileNode.getCopySourceRevision();
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613 fileNode = repo.getFileNode(fp);
510
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614 Pair<HgDataFile, Nodeid> p = new Pair<HgDataFile, Nodeid>(fileNode, copyRev);
522
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diff changeset
615 if (iterateDirection == HgIterateDirection.OldToNew) {
510
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616 rv.addFirst(p);
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diff changeset
617 } else {
522
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diff changeset
618 assert iterateDirection == HgIterateDirection.NewToOld;
510
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619 rv.addLast(p);
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620 }
514
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621 };
507
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diff changeset
622 return rv;
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623 }
508
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624
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diff changeset
625 private static class TreeBuildInspector implements HgChangelog.ParentInspector, HgChangelog.RevisionInspector {
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diff changeset
626 private final boolean followAncestry;
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627
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628 private HistoryNode[] completeHistory;
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629 private int[] commitRevisions;
509
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630 private List<HistoryNode> resultHistory;
508
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631
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632 TreeBuildInspector(boolean _followAncestry) {
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633 followAncestry = _followAncestry;
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634 }
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635
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636 public void next(int revisionNumber, Nodeid revision, int linkedRevision) {
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637 commitRevisions[revisionNumber] = linkedRevision;
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638 }
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639
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640 public void next(int revisionNumber, Nodeid revision, int parent1, int parent2, Nodeid nidParent1, Nodeid nidParent2) {
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diff changeset
641 HistoryNode p1 = null, p2 = null;
516
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642 // IMPORTANT: method #one(), below, doesn't expect this code expects reasonable values at parent indexes
508
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643 if (parent1 != -1) {
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644 p1 = completeHistory[parent1];
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645 }
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646 if (parent2!= -1) {
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647 p2 = completeHistory[parent2];
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648 }
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649 completeHistory[revisionNumber] = new HistoryNode(commitRevisions[revisionNumber], revision, p1, p2);
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650 }
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651
516
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652 HistoryNode one(HgDataFile fileNode, Nodeid fileRevision) throws HgInvalidControlFileException {
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653 int fileRevIndexToVisit = fileNode.getRevisionIndex(fileRevision);
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654 return one(fileNode, fileRevIndexToVisit);
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655 }
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diff changeset
656
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657 HistoryNode one(HgDataFile fileNode, int fileRevIndexToVisit) throws HgInvalidControlFileException {
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658 resultHistory = null;
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diff changeset
659 if (fileRevIndexToVisit == HgRepository.TIP) {
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660 fileRevIndexToVisit = fileNode.getLastRevision();
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661 }
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662 // still, allocate whole array, for #next to be able to get null parent values
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663 completeHistory = new HistoryNode[fileRevIndexToVisit+1];
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664 commitRevisions = new int[completeHistory.length];
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665 fileNode.indexWalk(fileRevIndexToVisit, fileRevIndexToVisit, this);
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666 // it's only single revision, no need to care about followAncestry
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667 // but won't hurt to keep resultHistory != null and commitRevisions initialized just in case
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668 HistoryNode rv = completeHistory[fileRevIndexToVisit];
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669 commitRevisions = new int[] { commitRevisions[fileRevIndexToVisit] };
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670 completeHistory = null; // no need to keep almost empty array in memory
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671 resultHistory = Collections.singletonList(rv);
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672 return rv;
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673 }
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674
508
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675 /**
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676 * Builds history of file changes (in natural order, from oldest to newest) up to (and including) file revision specified.
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677 * If {@link TreeBuildInspector} follows ancestry, only elements that are on the line of ancestry of the revision at
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678 * lastRevisionIndex would be included.
509
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679 *
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680 * @return list of history elements, from oldest to newest. In case {@link #followAncestry} is <code>true</code>, the list
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681 * is modifiable (to further augment with last/first elements of renamed file histories)
508
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682 */
514
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683 List<HistoryNode> go(HgDataFile fileNode, Nodeid fileLastRevisionToVisit) throws HgInvalidControlFileException {
509
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684 resultHistory = null;
514
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685 int fileLastRevIndexToVisit = fileLastRevisionToVisit == null ? fileNode.getLastRevision() : fileNode.getRevisionIndex(fileLastRevisionToVisit);
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686 completeHistory = new HistoryNode[fileLastRevIndexToVisit+1];
508
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687 commitRevisions = new int[completeHistory.length];
514
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688 fileNode.indexWalk(0, fileLastRevIndexToVisit, this);
508
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diff changeset
689 if (!followAncestry) {
509
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diff changeset
690 // in case when ancestor not followed, it's safe to return unmodifiable list
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diff changeset
691 resultHistory = Arrays.asList(completeHistory);
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692 completeHistory = null;
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693 // keep commitRevisions initialized, no need to recalculate them
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694 // as they correspond 1:1 to resultHistory
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diff changeset
695 return resultHistory;
508
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696 }
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diff changeset
697 /*
509
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diff changeset
698 * Changesets, newest at the top:
508
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diff changeset
699 * o <-- cset from working dir parent (as in dirstate), file not changed (file revision recorded points to that from A)
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700 * | x <-- revision with file changed (B')
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diff changeset
701 * x / <-- revision with file changed (A)
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702 * | x <-- revision with file changed (B)
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703 * |/
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diff changeset
704 * o <-- another changeset, where file wasn't changed
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705 * |
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706 * x <-- revision with file changed (C)
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diff changeset
707 *
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708 * File history: B', A, B, C
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diff changeset
709 *
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diff changeset
710 * When "follow", SHALL NOT report B and B', but A and C
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diff changeset
711 */
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712 // strippedHistory: only those HistoryNodes from completeHistory that are on the same
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diff changeset
713 // line of descendant, in order from older to newer
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diff changeset
714 LinkedList<HistoryNode> strippedHistoryList = new LinkedList<HistoryNode>();
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diff changeset
715 LinkedList<HistoryNode> queue = new LinkedList<HistoryNode>();
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diff changeset
716 // look for ancestors of the selected history node
514
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diff changeset
717 queue.add(completeHistory[fileLastRevIndexToVisit]);
508
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diff changeset
718 do {
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diff changeset
719 HistoryNode withFileChange = queue.removeFirst();
511
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diff changeset
720 if (strippedHistoryList.contains(withFileChange)) {
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diff changeset
721 // fork point for the change that was later merged (and we traced
122e0600799f Respect multiple joins/forks in a history of a single file
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diff changeset
722 // both lines of development by now.
122e0600799f Respect multiple joins/forks in a history of a single file
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parents: 510
diff changeset
723 continue;
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diff changeset
724 }
508
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diff changeset
725 if (withFileChange.children != null) {
ca5202afea90 Support follow history option when walking file history tree
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diff changeset
726 withFileChange.children.retainAll(strippedHistoryList);
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diff changeset
727 }
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diff changeset
728 strippedHistoryList.addFirst(withFileChange);
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diff changeset
729 if (withFileChange.parent1 != null) {
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diff changeset
730 queue.addLast(withFileChange.parent1);
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diff changeset
731 }
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
732 if (withFileChange.parent2 != null) {
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diff changeset
733 queue.addLast(withFileChange.parent2);
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
734 }
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diff changeset
735 } while (!queue.isEmpty());
511
122e0600799f Respect multiple joins/forks in a history of a single file
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parents: 510
diff changeset
736 Collections.sort(strippedHistoryList, new Comparator<HistoryNode>() {
122e0600799f Respect multiple joins/forks in a history of a single file
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parents: 510
diff changeset
737
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
738 public int compare(HistoryNode o1, HistoryNode o2) {
122e0600799f Respect multiple joins/forks in a history of a single file
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diff changeset
739 return o1.changeset - o2.changeset;
122e0600799f Respect multiple joins/forks in a history of a single file
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parents: 510
diff changeset
740 }
122e0600799f Respect multiple joins/forks in a history of a single file
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diff changeset
741 });
508
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diff changeset
742 completeHistory = null;
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diff changeset
743 commitRevisions = null;
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diff changeset
744 // collected values are no longer valid - shall
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diff changeset
745 // strip off elements for missing HistoryNodes, but it's easier just to re-create the array
509
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parents: 508
diff changeset
746 // from resultHistory later, once (and if) needed
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diff changeset
747 return resultHistory = strippedHistoryList;
508
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diff changeset
748 }
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diff changeset
749
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
750 /**
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diff changeset
751 * handy access to all HistoryNode[i].changeset values
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parents: 507
diff changeset
752 */
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diff changeset
753 int[] getCommitRevisions() {
509
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parents: 508
diff changeset
754 if (commitRevisions == null) {
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diff changeset
755 commitRevisions = new int[resultHistory.size()];
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diff changeset
756 int i = 0;
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
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diff changeset
757 for (HistoryNode n : resultHistory) {
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
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parents: 508
diff changeset
758 commitRevisions[i++] = n.changeset;
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diff changeset
759 }
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
760 }
508
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diff changeset
761 return commitRevisions;
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diff changeset
762 }
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diff changeset
763 };
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diff changeset
764
516
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diff changeset
765 private abstract class HandlerDispatcher {
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parents: 515
diff changeset
766 private final int CACHE_CSET_IN_ADVANCE_THRESHOLD = 100; /* XXX is it really worth it? */
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
767 // builds tree of nodes according to parents in file's revlog
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diff changeset
768 private final TreeBuildInspector treeBuildInspector = new TreeBuildInspector(followAncestry);
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
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diff changeset
769 private List<HistoryNode> changeHistory;
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diff changeset
770 protected ElementImpl ei = null;
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diff changeset
771 private ProgressSupport progress;
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diff changeset
772 protected HgDataFile currentFileNode;
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diff changeset
773 // node where current file history chunk intersects with same file under other name history
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diff changeset
774 // either mock of B(0) or A(k), depending on iteration order
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diff changeset
775 private HistoryNode junctionNode;
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diff changeset
776
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diff changeset
777 // parentProgress shall be initialized with 4 XXX refactor all this stuff with parentProgress
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diff changeset
778 public void prepare(ProgressSupport parentProgress, Pair<HgDataFile, Nodeid> renameInfo) {
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779 // if we don't followAncestry, take complete history
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parents: 515
diff changeset
780 // XXX treeBuildInspector knows followAncestry, perhaps the logic
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diff changeset
781 // whether to take specific revision or the last one shall be there?
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diff changeset
782 changeHistory = treeBuildInspector.go(renameInfo.first(), followAncestry ? renameInfo.second() : null);
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diff changeset
783 assert changeHistory.size() > 0;
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diff changeset
784 parentProgress.worked(1);
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diff changeset
785 int historyNodeCount = changeHistory.size();
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diff changeset
786 if (ei == null) {
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diff changeset
787 // when follow is true, changeHistory.size() of the first revision might be quite short
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diff changeset
788 // (e.g. bad fname recognized soon), hence ensure at least cache size at once
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diff changeset
789 ei = new ElementImpl(Math.max(CACHE_CSET_IN_ADVANCE_THRESHOLD, historyNodeCount));
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790 }
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diff changeset
791 if (historyNodeCount < CACHE_CSET_IN_ADVANCE_THRESHOLD ) {
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parents: 515
diff changeset
792 int[] commitRevisions = treeBuildInspector.getCommitRevisions();
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parents: 515
diff changeset
793 assert commitRevisions.length == changeHistory.size();
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diff changeset
794 // read bunch of changesets at once and cache 'em
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diff changeset
795 ei.initTransform();
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parents: 515
diff changeset
796 repo.getChangelog().range(ei, commitRevisions);
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diff changeset
797 parentProgress.worked(1);
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diff changeset
798 progress = new ProgressSupport.Sub(parentProgress, 2);
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parents: 515
diff changeset
799 } else {
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diff changeset
800 progress = new ProgressSupport.Sub(parentProgress, 3);
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801 }
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diff changeset
802 progress.start(historyNodeCount);
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diff changeset
803 // switch to present chunk's file node
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diff changeset
804 switchTo(renameInfo.first());
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diff changeset
805 }
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diff changeset
806
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
807 public void updateJunctionPoint(Pair<HgDataFile, Nodeid> curRename, Pair<HgDataFile, Nodeid> nextRename) {
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diff changeset
808 // A (old) renamed to B(new). A(0..k..n) -> B(0..m). If followAncestry, k == n
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diff changeset
809 // curRename.second() points to A(k)
522
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diff changeset
810 if (iterateDirection == HgIterateDirection.OldToNew) {
516
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parents: 515
diff changeset
811 // looking at A chunk (curRename), nextRename points to B
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diff changeset
812 HistoryNode junctionSrc = findJunctionPointInCurrentChunk(curRename.second()); // A(k)
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parents: 515
diff changeset
813 HistoryNode junctionDestMock = treeBuildInspector.one(nextRename.first(), 0); // B(0)
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diff changeset
814 // junstionDestMock is mock object, once we iterate next rename, there'd be different HistoryNode
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diff changeset
815 // for B's first revision. This means we read it twice, but this seems to be reasonable
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diff changeset
816 // price for simplicity of the code (and opportunity to follow renames while not following ancestry)
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diff changeset
817 junctionSrc.bindChild(junctionDestMock);
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diff changeset
818 // 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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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
819 // 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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parents: 515
diff changeset
820 junctionNode = new HistoryNode(junctionSrc.changeset, junctionSrc.fileRevision, null, null);
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diff changeset
821 } else {
522
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diff changeset
822 assert iterateDirection == HgIterateDirection.NewToOld;
516
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parents: 515
diff changeset
823 // looking at B chunk (curRename), nextRename points at A
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diff changeset
824 HistoryNode junctionDest = changeHistory.get(0); // B(0)
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parents: 515
diff changeset
825 // prepare mock A(k)
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diff changeset
826 HistoryNode junctionSrcMock = treeBuildInspector.one(nextRename.first(), nextRename.second()); // A(k)
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parents: 515
diff changeset
827 // B(0) to list A(k) as its parent
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parents: 515
diff changeset
828 // NOTE, A(k) would be different when we reach A chunk on the next iteration,
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parents: 515
diff changeset
829 // but we do not care as long as TreeElement needs only parent/child changesets
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parents: 515
diff changeset
830 // and not other TreeElements; so that it's enough to have mock parent node (just
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parents: 515
diff changeset
831 // for the sake of parent cset revisions). We have to, indeed, update real A(k),
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
832 // once we get to iteration over A, with B(0) (junctionDest) as one more child.
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parents: 515
diff changeset
833 junctionSrcMock.bindChild(junctionDest);
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parents: 515
diff changeset
834 // Save mock B(0), for reasons see above for opposite direction
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parents: 515
diff changeset
835 junctionNode = new HistoryNode(junctionDest.changeset, junctionDest.fileRevision, null, null);
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diff changeset
836 }
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parents: 515
diff changeset
837 }
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diff changeset
838
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parents: 515
diff changeset
839 public void clearJunctionPoint() {
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parents: 515
diff changeset
840 junctionNode = null;
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parents: 515
diff changeset
841 }
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parents: 515
diff changeset
842
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diff changeset
843 public void connectWithLastJunctionPoint(Pair<HgDataFile, Nodeid> curRename, Pair<HgDataFile, Nodeid> prevRename, HgFileRenameHandlerMixin renameHandler) throws HgCallbackTargetException {
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
844 assert junctionNode != null;
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parents: 515
diff changeset
845 // A renamed to B. A(0..k..n) -> B(0..m). If followAncestry: k == n
522
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 520
diff changeset
846 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
847 // 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
848 // changeHistory points to B
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
849 // 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)
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parents: 515
diff changeset
850 // Shall connect histories: A(k).bind(B(0))
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diff changeset
851 HistoryNode junctionDest = changeHistory.get(0); // B(0)
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
852 // junctionNode is A(k)
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
853 junctionNode.bindChild(junctionDest);
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
854 if (renameHandler != null) { // shall report renames
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
855 HgFileRevision copiedFrom = new HgFileRevision(prevRename.first(), junctionNode.fileRevision, null); // "A", A(k)
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
856 HgFileRevision copiedTo = new HgFileRevision(curRename.first(), junctionDest.fileRevision, copiedFrom.getPath()); // "B", B(0)
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
857 renameHandler.copy(copiedFrom, copiedTo);
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parents: 515
diff changeset
858 }
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parents: 515
diff changeset
859 } else {
522
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 520
diff changeset
860 assert iterateDirection == HgIterateDirection.NewToOld;
516
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diff changeset
861 // changeHistory points to A
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
862 // Already reported B(m), B(m-1)...B(0), B(0) is in junctionNode
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parents: 515
diff changeset
863 // Shall connect histories A(k).bind(B(0))
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diff changeset
864 // if followAncestry: A(k) is latest in changeHistory (k == n)
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parents: 515
diff changeset
865 HistoryNode junctionSrc = findJunctionPointInCurrentChunk(curRename.second()); // A(k)
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parents: 515
diff changeset
866 junctionSrc.bindChild(junctionNode);
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parents: 515
diff changeset
867 if (renameHandler != 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
868 HgFileRevision copiedFrom = new HgFileRevision(curRename.first(), junctionSrc.fileRevision, null); // "A", A(k)
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parents: 515
diff changeset
869 HgFileRevision copiedTo = new HgFileRevision(prevRename.first(), junctionNode.fileRevision, copiedFrom.getPath()); // "B", B(0)
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parents: 515
diff changeset
870 renameHandler.copy(copiedFrom, copiedTo);
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diff changeset
871 }
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diff changeset
872 }
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parents: 515
diff changeset
873 }
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parents: 515
diff changeset
874
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diff changeset
875 private HistoryNode findJunctionPointInCurrentChunk(Nodeid fileRevision) {
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diff changeset
876 if (followAncestry) {
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parents: 515
diff changeset
877 // use the fact we don't go past junction point when followAncestry == true
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parents: 515
diff changeset
878 HistoryNode rv = changeHistory.get(changeHistory.size() - 1);
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
879 assert rv.fileRevision.equals(fileRevision);
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parents: 515
diff changeset
880 return rv;
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
881 }
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parents: 515
diff changeset
882 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
883 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
884 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
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 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
888 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
889 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
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
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
892 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
893
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
894 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
895 // 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
896 Iterator<HistoryNode> it;
522
2103388d4010 Expose option to report changesets in reversed order
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 520
diff changeset
897 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
898 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
899 } else {
522
2103388d4010 Expose option to report changesets in reversed order
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 520
diff changeset
900 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
901 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
902 }
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 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
904 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
905 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
906 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
907 }
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 = 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
909 }
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
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 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
912 // 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
913 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
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
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
917
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
918 //
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
919
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
920 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
921
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
922 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
923 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
924 // 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
925 // 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
926 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
927
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
928 // 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
929 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
930 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
931 lastCset = end;
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
932 }
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
933
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
934 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
935 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
936 // 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
937 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
938 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
939 } 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
940 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
941 }
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
942 }
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
943
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
944 public void next(int revisionNumber, Nodeid nodeid, RawChangeset cset) {
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
945 if (limit > 0 && count >= limit) {
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
946 return;
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
947 }
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
948 // XXX may benefit from optional interface with #isInterested(int csetRev) - to avoid
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
949 // RawChangeset instantiation
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
950 if (firstCset != BAD_REVISION && revisionNumber < firstCset) {
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
951 return;
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
952 }
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
953 if (lastCset != BAD_REVISION && revisionNumber > lastCset) {
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
954 return;
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
955 }
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
956 if (branches != null && !branches.contains(cset.branch())) {
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
957 return;
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
958 }
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
959 if (users != 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
960 String csetUser = cset.user().toLowerCase();
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
961 boolean found = false;
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
962 for (String u : users) {
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 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
964 found = true;
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
965 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
966 }
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
967 }
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
968 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
969 return;
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
970 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
971 }
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
972 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
973 // 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
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 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
976 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
977 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
978 lifecycleProxy.stop();
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
979 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
980 }
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
981 }
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
982
432
1fc0da631200 Revlog.ParentWalker helper class got promoted as TLC, renamed to HgParentChildMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 431
diff changeset
983 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
984 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
985 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
986 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
987 }
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
988 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
989 }
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
990
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
991 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
992 private final List<HgChangeset> result = new LinkedList<HgChangeset>();
64
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993
129
645829962785 core.Cset renamed to HgChangeset; repo.Changeset moved into HgChangelog
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diff changeset
994 public List<HgChangeset> getChanges() {
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
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diff changeset
995 return Collections.unmodifiableList(result);
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diff changeset
996 }
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parents:
diff changeset
997
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
998 public void cset(HgChangeset changeset) {
64
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999 result.add(changeset.clone());
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diff changeset
1000 }
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1001 }
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1002
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1003 private static class HistoryNode {
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1004 final int changeset;
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1005 final Nodeid fileRevision;
509
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1006 HistoryNode parent1; // there's special case when we can alter it, see #bindChild()
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1007 final HistoryNode parent2;
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1008 List<HistoryNode> children;
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1009
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1010 HistoryNode(int cs, Nodeid revision, HistoryNode p1, HistoryNode p2) {
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1011 changeset = cs;
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1012 fileRevision = revision;
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1013 parent1 = p1;
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1014 parent2 = p2;
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1015 if (p1 != null) {
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1016 p1.addChild(this);
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1017 }
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1018 if (p2 != null) {
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1019 p2.addChild(this);
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1020 }
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1021 }
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1022
509
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diff changeset
1023 private void addChild(HistoryNode child) {
328
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1024 if (children == null) {
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diff changeset
1025 children = new ArrayList<HistoryNode>(2);
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1026 }
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1027 children.add(child);
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1028 }
509
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diff changeset
1029
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diff changeset
1030 /**
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parents: 508
diff changeset
1031 * 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
1032 * 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
1033 * with that of child
509
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diff changeset
1034 * @param child
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diff changeset
1035 */
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diff changeset
1036 public void bindChild(HistoryNode child) {
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parents: 508
diff changeset
1037 assert child.parent1 == null && child.parent2 == null;
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parents: 508
diff changeset
1038 child.parent1 = this;
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parents: 508
diff changeset
1039 addChild(child);
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
1040 }
511
122e0600799f Respect multiple joins/forks in a history of a single file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 510
diff changeset
1041
122e0600799f Respect multiple joins/forks in a history of a single file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 510
diff changeset
1042 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
1043 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
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parents: 510
diff changeset
1044 }
328
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diff changeset
1045 }
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1046
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diff changeset
1047 private class ElementImpl implements HgChangesetTreeHandler.TreeElement, HgChangelog.Inspector {
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diff changeset
1048 private HistoryNode historyNode;
515
e6c8b9b654b2 Provide access to HgDataFile being iterated into HgChangesetTreeHandler.TreeElement to give context for renamed files
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diff changeset
1049 private HgDataFile fileNode;
328
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diff changeset
1050 private Pair<HgChangeset, HgChangeset> parents;
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1051 private List<HgChangeset> children;
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diff changeset
1052 private IntMap<HgChangeset> cachedChangesets;
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diff changeset
1053 private ChangesetTransformer.Transformation transform;
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diff changeset
1054 private Nodeid changesetRevision;
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diff changeset
1055 private Pair<Nodeid,Nodeid> parentRevisions;
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diff changeset
1056 private List<Nodeid> childRevisions;
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diff changeset
1057
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diff changeset
1058 public ElementImpl(int total) {
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diff changeset
1059 cachedChangesets = new IntMap<HgChangeset>(total);
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diff changeset
1060 }
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diff changeset
1061
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
1062 ElementImpl init(HistoryNode n, HgDataFile df) {
328
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diff changeset
1063 historyNode = n;
515
e6c8b9b654b2 Provide access to HgDataFile being iterated into HgChangesetTreeHandler.TreeElement to give context for renamed files
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parents: 514
diff changeset
1064 fileNode = df;
328
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diff changeset
1065 parents = null;
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diff changeset
1066 children = null;
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diff changeset
1067 changesetRevision = null;
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diff changeset
1068 parentRevisions = null;
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diff changeset
1069 childRevisions = null;
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diff changeset
1070 return this;
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diff changeset
1071 }
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diff changeset
1072
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diff changeset
1073 public Nodeid fileRevision() {
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diff changeset
1074 return historyNode.fileRevision;
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diff changeset
1075 }
515
e6c8b9b654b2 Provide access to HgDataFile being iterated into HgChangesetTreeHandler.TreeElement to give context for renamed files
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parents: 514
diff changeset
1076
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parents: 514
diff changeset
1077 public HgDataFile file() {
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parents: 514
diff changeset
1078 return fileNode;
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parents: 514
diff changeset
1079 }
328
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diff changeset
1080
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
1081 public HgChangeset changeset() {
328
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diff changeset
1082 return get(historyNode.changeset)[0];
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diff changeset
1083 }
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diff changeset
1084
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
1085 public Pair<HgChangeset, HgChangeset> parents() {
328
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diff changeset
1086 if (parents != null) {
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diff changeset
1087 return parents;
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diff changeset
1088 }
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diff changeset
1089 HistoryNode p;
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diff changeset
1090 final int p1, p2;
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diff changeset
1091 if ((p = historyNode.parent1) != null) {
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diff changeset
1092 p1 = p.changeset;
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diff changeset
1093 } else {
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diff changeset
1094 p1 = -1;
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diff changeset
1095 }
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diff changeset
1096 if ((p = historyNode.parent2) != null) {
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diff changeset
1097 p2 = p.changeset;
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diff changeset
1098 } else {
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diff changeset
1099 p2 = -1;
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diff changeset
1100 }
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diff changeset
1101 HgChangeset[] r = get(p1, p2);
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diff changeset
1102 return parents = new Pair<HgChangeset, HgChangeset>(r[0], r[1]);
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diff changeset
1103 }
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diff changeset
1104
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
1105 public Collection<HgChangeset> children() {
328
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diff changeset
1106 if (children != null) {
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diff changeset
1107 return children;
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diff changeset
1108 }
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diff changeset
1109 if (historyNode.children == null) {
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diff changeset
1110 children = Collections.emptyList();
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diff changeset
1111 } else {
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diff changeset
1112 int[] childrentChangesetNumbers = new int[historyNode.children.size()];
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diff changeset
1113 int j = 0;
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diff changeset
1114 for (HistoryNode hn : historyNode.children) {
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diff changeset
1115 childrentChangesetNumbers[j++] = hn.changeset;
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diff changeset
1116 }
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diff changeset
1117 children = Arrays.asList(get(childrentChangesetNumbers));
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diff changeset
1118 }
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diff changeset
1119 return children;
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diff changeset
1120 }
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diff changeset
1121
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diff changeset
1122 void populate(HgChangeset cs) {
403
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diff changeset
1123 cachedChangesets.put(cs.getRevisionIndex(), cs);
328
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1124 }
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diff changeset
1125
423
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diff changeset
1126 private HgChangeset[] get(int... changelogRevisionIndex) {
403
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parents: 402
diff changeset
1127 HgChangeset[] rv = new HgChangeset[changelogRevisionIndex.length];
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diff changeset
1128 IntVector misses = new IntVector(changelogRevisionIndex.length, -1);
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parents: 402
diff changeset
1129 for (int i = 0; i < changelogRevisionIndex.length; i++) {
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diff changeset
1130 if (changelogRevisionIndex[i] == -1) {
328
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diff changeset
1131 rv[i] = null;
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1132 continue;
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1133 }
403
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diff changeset
1134 HgChangeset cached = cachedChangesets.get(changelogRevisionIndex[i]);
328
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1135 if (cached != null) {
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diff changeset
1136 rv[i] = cached;
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1137 } else {
403
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diff changeset
1138 misses.add(changelogRevisionIndex[i]);
328
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1139 }
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1140 }
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diff changeset
1141 if (misses.size() > 0) {
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diff changeset
1142 final int[] changesets2read = misses.toArray();
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diff changeset
1143 initTransform();
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diff changeset
1144 repo.getChangelog().range(this, changesets2read);
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diff changeset
1145 for (int changeset2read : changesets2read) {
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diff changeset
1146 HgChangeset cs = cachedChangesets.get(changeset2read);
403
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parents: 402
diff changeset
1147 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
1148 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
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parents: 419
diff changeset
1149 throw t.setRevisionIndex(changeset2read);
403
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diff changeset
1150 }
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diff changeset
1151 // HgChangelog.range may reorder changesets according to their order in the changelog
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parents: 402
diff changeset
1152 // thus need to find original index
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1153 boolean sanity = false;
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1154 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
1155 if (changelogRevisionIndex[i] == cs.getRevisionIndex()) {
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1156 rv[i] = cs;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1157 sanity = true;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
1158 break;
328
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diff changeset
1159 }
403
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1160 }
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1161 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
1162 repo.getSessionContext().getLog().dump(getClass(), Error, "Index of revision %d:%s doesn't match any of requested", cs.getRevisionIndex(), cs.getNodeid().shortNotation());
403
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1163 }
2747b0723867 FIXMEs: work on exceptions and javadoc
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diff changeset
1164 assert sanity;
328
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diff changeset
1165 }
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diff changeset
1166 }
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diff changeset
1167 return rv;
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diff changeset
1168 }
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diff changeset
1169
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diff changeset
1170 // 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
1171 void initTransform() throws HgRuntimeException {
328
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diff changeset
1172 if (transform == null) {
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diff changeset
1173 transform = new ChangesetTransformer.Transformation(new HgStatusCollector(repo)/*XXX try to reuse from context?*/, getParentHelper(false));
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diff changeset
1174 }
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diff changeset
1175 }
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diff changeset
1176
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diff changeset
1177 public void next(int revisionNumber, Nodeid nodeid, RawChangeset cset) {
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parents: 322
diff changeset
1178 HgChangeset cs = transform.handle(revisionNumber, nodeid, cset);
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parents: 322
diff changeset
1179 populate(cs.clone());
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
1180 }
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diff changeset
1181
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
1182 public Nodeid changesetRevision() {
328
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diff changeset
1183 if (changesetRevision == null) {
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diff changeset
1184 changesetRevision = getRevision(historyNode.changeset);
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diff changeset
1185 }
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diff changeset
1186 return changesetRevision;
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diff changeset
1187 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
1188
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
1189 public Pair<Nodeid, Nodeid> parentRevisions() {
328
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diff changeset
1190 if (parentRevisions == null) {
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diff changeset
1191 HistoryNode p;
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diff changeset
1192 final Nodeid p1, p2;
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diff changeset
1193 if ((p = historyNode.parent1) != null) {
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diff changeset
1194 p1 = getRevision(p.changeset);
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diff changeset
1195 } else {
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diff changeset
1196 p1 = Nodeid.NULL;;
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diff changeset
1197 }
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diff changeset
1198 if ((p = historyNode.parent2) != null) {
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diff changeset
1199 p2 = getRevision(p.changeset);
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parents: 322
diff changeset
1200 } else {
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diff changeset
1201 p2 = Nodeid.NULL;
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diff changeset
1202 }
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diff changeset
1203 parentRevisions = new Pair<Nodeid, Nodeid>(p1, p2);
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diff changeset
1204 }
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diff changeset
1205 return parentRevisions;
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diff changeset
1206 }
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diff changeset
1207
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
1208 public Collection<Nodeid> childRevisions() {
328
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diff changeset
1209 if (childRevisions != null) {
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diff changeset
1210 return childRevisions;
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parents: 322
diff changeset
1211 }
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diff changeset
1212 if (historyNode.children == null) {
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parents: 322
diff changeset
1213 childRevisions = Collections.emptyList();
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parents: 322
diff changeset
1214 } else {
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diff changeset
1215 ArrayList<Nodeid> rv = new ArrayList<Nodeid>(historyNode.children.size());
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parents: 322
diff changeset
1216 for (HistoryNode hn : historyNode.children) {
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parents: 322
diff changeset
1217 rv.add(getRevision(hn.changeset));
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parents: 322
diff changeset
1218 }
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diff changeset
1219 childRevisions = Collections.unmodifiableList(rv);
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parents: 322
diff changeset
1220 }
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diff changeset
1221 return childRevisions;
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parents: 322
diff changeset
1222 }
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diff changeset
1223
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diff changeset
1224 // 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
1225 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
1226 // TODO post-1.0 pipe through pool
328
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diff changeset
1227 HgChangeset cs = cachedChangesets.get(changelogRevisionNumber);
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parents: 322
diff changeset
1228 if (cs != null) {
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diff changeset
1229 return cs.getNodeid();
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parents: 322
diff changeset
1230 } else {
403
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parents: 402
diff changeset
1231 return repo.getChangelog().getRevision(changelogRevisionNumber);
328
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diff changeset
1232 }
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diff changeset
1233 }
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diff changeset
1234 }
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1235 }