Mercurial > hg4j

annotate src/org/tmatesoft/hg/core/HgLogCommand.java @ 518:0d5e1ea7955e

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Thu, 20 Dec 2012 19:55:45 +0100
parents 9922d1f7cb2a
children 1ee452f31187
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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18
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19 import static org.tmatesoft.hg.repo.HgRepository.BAD_REVISION;
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20 import static org.tmatesoft.hg.repo.HgRepository.TIP;
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21 import static org.tmatesoft.hg.util.LogFacility.Severity.Error;
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22
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23 import java.util.ArrayList;
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24 import java.util.Arrays;
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25 import java.util.Calendar;
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26 import java.util.Collection;
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27 import java.util.Collections;
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28 import java.util.Comparator;
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29 import java.util.ConcurrentModificationException;
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30 import java.util.Iterator;
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31 import java.util.LinkedList;
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32 import java.util.List;
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33 import java.util.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.IntMap;
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38 import org.tmatesoft.hg.internal.IntVector;
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39 import org.tmatesoft.hg.internal.Lifecycle;
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40 import org.tmatesoft.hg.repo.HgChangelog;
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41 import org.tmatesoft.hg.repo.HgChangelog.RawChangeset;
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42 import org.tmatesoft.hg.repo.HgDataFile;
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43 import org.tmatesoft.hg.repo.HgInvalidControlFileException;
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44 import org.tmatesoft.hg.repo.HgInvalidRevisionException;
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45 import org.tmatesoft.hg.repo.HgInvalidStateException;
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46 import org.tmatesoft.hg.repo.HgParentChildMap;
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47 import org.tmatesoft.hg.repo.HgRepository;
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48 import org.tmatesoft.hg.repo.HgRuntimeException;
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49 import org.tmatesoft.hg.repo.HgStatusCollector;
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50 import org.tmatesoft.hg.util.Adaptable;
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51 import org.tmatesoft.hg.util.CancelSupport;
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52 import org.tmatesoft.hg.util.CancelledException;
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53 import org.tmatesoft.hg.util.Pair;
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54 import org.tmatesoft.hg.util.Path;
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55 import org.tmatesoft.hg.util.ProgressSupport;
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58 /**
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59 * Access to changelog, 'hg log' command counterpart.
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60 *
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61 * <pre>
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62 * Usage:
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63 * new LogCommand().limit(20).branch("maintenance-2.1").user("me").execute(new MyHandler());
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64 * </pre>
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65 * Not thread-safe (each thread has to use own {@link HgLogCommand} instance).
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66 *
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67 * @author Artem Tikhomirov
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68 * @author TMate Software Ltd.
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69 */
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70 public class HgLogCommand extends HgAbstractCommand<HgLogCommand> {
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72 private final HgRepository repo;
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73 private Set<String> users;
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74 private Set<String> branches;
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75 private int limit = 0, count = 0;
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76 private int startRev = 0, endRev = TIP;
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77 private Calendar date;
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78 private Path file;
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79 /*
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80 * Whether to iterate file origins, if any.
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81 * Makes sense only when file != null
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82 */
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83 private boolean followRenames;
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84 /*
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85 * Whether to track history of the selected file version (based on file revision
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86 * in working dir parent), follow ancestors only.
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87 * Note, 'hg log --follow' combines both #followHistory and #followAncestry
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88 */
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89 private boolean followAncestry;
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90 private ChangesetTransformer csetTransform;
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91 private HgParentChildMap<HgChangelog> parentHelper;
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92
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93 public HgLogCommand(HgRepository hgRepo) {
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94 repo = hgRepo;
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95 }
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97 /**
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98 * Limit search to specified user. Multiple user names may be specified. Once set, user names can't be
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99 * cleared, use new command instance in such cases.
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100 * @param user - full or partial name of the user, case-insensitive, non-null.
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101 * @return <code>this</code> instance for convenience
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102 * @throws IllegalArgumentException when argument is null
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103 */
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104 public HgLogCommand user(String user) {
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105 if (user == null) {
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106 throw new IllegalArgumentException();
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107 }
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108 if (users == null) {
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109 users = new TreeSet<String>();
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110 }
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111 users.add(user.toLowerCase());
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112 return this;
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113 }
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114
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115 /**
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116 * Limit search to specified branch. Multiple branch specification possible (changeset from any of these
148
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117 * would be included in result). If unspecified, all branches are considered. There's no way to clean branch selection
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118 * once set, create fresh new command instead.
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119 * @param branch - branch name, case-sensitive, non-null.
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120 * @return <code>this</code> instance for convenience
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121 * @throws IllegalArgumentException when branch argument is null
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122 */
131
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123 public HgLogCommand branch(String branch) {
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124 if (branch == null) {
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125 throw new IllegalArgumentException();
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126 }
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127 if (branches == null) {
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128 branches = new TreeSet<String>();
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129 }
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130 branches.add(branch);
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131 return this;
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132 }
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133
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134 // limit search to specific date
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135 // multiple?
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136 public HgLogCommand date(Calendar date) {
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137 this.date = date;
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138 // TODO post-1.0 implement
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139 // isSet(field) - false => don't use in detection of 'same date'
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140 throw HgRepository.notImplemented();
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141 }
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142
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143 /**
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144 *
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145 * @param num - number of changeset to produce. Pass 0 to clear the limit.
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146 * @return <code>this</code> instance for convenience
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147 */
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148 public HgLogCommand limit(int num) {
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149 limit = num;
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150 return this;
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151 }
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152
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153 /**
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154 * Limit to specified subset of Changelog, [min(rev1,rev2), max(rev1,rev2)], inclusive.
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155 * Revision may be specified with {@link HgRepository#TIP}
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156 *
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157 * @param rev1 - local index of start changeset revision
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158 * @param rev2 - index of end changeset revision
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159 * @return <code>this</code> instance for convenience
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160 */
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161 public HgLogCommand range(int rev1, int rev2) {
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162 if (rev1 != TIP && rev2 != TIP) {
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163 startRev = rev2 < rev1 ? rev2 : rev1;
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164 endRev = startRev == rev2 ? rev1 : rev2;
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165 } else if (rev1 == TIP && rev2 != TIP) {
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166 startRev = rev2;
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167 endRev = rev1;
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168 } else {
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169 startRev = rev1;
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170 endRev = rev2;
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171 }
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172 return this;
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173 }
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174
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175 /**
253
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176 * Select specific changeset
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177 *
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178 * @param nid changeset revision
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179 * @return <code>this</code> for convenience
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180 * @throws HgBadArgumentException if failed to find supplied changeset revision
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181 */
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182 public HgLogCommand changeset(Nodeid nid) throws HgBadArgumentException {
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183 // XXX perhaps, shall support multiple (...) arguments and extend #execute to handle not only range, but also set of revisions.
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184 try {
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185 final int csetRevIndex = repo.getChangelog().getRevisionIndex(nid);
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186 return range(csetRevIndex, csetRevIndex);
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187 } catch (HgInvalidRevisionException ex) {
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188 throw new HgBadArgumentException("Can't find revision", ex).setRevision(nid);
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189 }
253
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190 }
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191
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192 /**
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193 * 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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194 * follow file ancestry, but reports complete file history (with <code>followCopyRenames == true</code>, for each
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195 * 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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196 * {@link #file(Path, boolean, boolean) file(filePath, true, true)} alternative.
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197 *
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198 * @param filePath path relative to repository root. Pass <code>null</code> to reset.
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199 * @param followCopyRename true to report changesets of the original file(-s), if copy/rename ever occured to the file.
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200 * @return <code>this</code> for convenience
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201 */
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202 public HgLogCommand file(Path filePath, boolean followCopyRename) {
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203 return file(filePath, followCopyRename, false);
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204 }
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205
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206 /**
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207 * Full control over file history iteration.
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208 *
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209 * @param filePath path relative to repository root. Pass <code>null</code> to reset.
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210 * @param followCopyRename true to report changesets of the original file(-s), if copy/rename ever occured to the file.
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211 * @param followFileAncestry true to follow file history starting from revision at working copy parent. Note, only revisions
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212 * 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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213 * behaves, with the difference that this method allows separate control whether to follow renames or not.
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214 *
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215 * @return <code>this</code> for convenience
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216 */
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217 public HgLogCommand file(Path filePath, boolean followCopyRename, boolean followFileAncestry) {
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218 file = filePath;
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219 followRenames = followCopyRename;
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220 followAncestry = followFileAncestry;
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221 return this;
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222 }
142
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223
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224 /**
516
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225 * Handy analog to {@link #file(Path, boolean)} when clients' paths come from filesystem and need conversion to repository's
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226 * @return <code>this</code> for convenience
142
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227 */
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228 public HgLogCommand file(String file, boolean followCopyRename) {
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229 return file(Path.create(repo.getToRepoPathHelper().rewrite(file)), followCopyRename);
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230 }
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231
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232 /**
516
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233 * Handy analog to {@link #file(Path, boolean, boolean)} when clients' paths come from filesystem and need conversion to repository's
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234 * @return <code>this</code> for convenience
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235 */
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236 public HgLogCommand file(String file, boolean followCopyRename, boolean followFileAncestry) {
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237 return file(Path.create(repo.getToRepoPathHelper().rewrite(file)), followCopyRename, followFileAncestry);
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238 }
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239
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240 /**
419
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241 * Similar to {@link #execute(HgChangesetHandler)}, collects and return result as a list.
427
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242 *
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243 * @see #execute(HgChangesetHandler)
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244 * @throws HgException subclass thereof to indicate specific issue with the command arguments or repository state
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245 */
396
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246 public List<HgChangeset> execute() throws HgException {
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247 CollectHandler collector = new CollectHandler();
215
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248 try {
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249 execute(collector);
423
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250 } catch (HgCallbackTargetException ex) {
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251 // see below for CanceledException
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252 HgInvalidStateException t = new HgInvalidStateException("Internal error");
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253 t.initCause(ex);
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254 throw t;
396
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255 } catch (CancelledException ex) {
215
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256 // can't happen as long as our CollectHandler doesn't throw any exception
423
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257 HgInvalidStateException t = new HgInvalidStateException("Internal error");
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258 t.initCause(ex);
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259 throw t;
215
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260 }
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261 return collector.getChanges();
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262 }
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263
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264 /**
402
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265 * Iterate over range of changesets configured in the command.
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266 *
205
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267 * @param handler callback to process changesets.
427
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268 * @throws HgCallbackTargetException propagated exception from the handler
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269 * @throws HgException subclass thereof to indicate specific issue with the command arguments or repository state
380
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270 * @throws CancelledException if execution of the command was cancelled
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271 * @throws IllegalArgumentException when inspector argument is null
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272 * @throws ConcurrentModificationException if this log command instance is already running
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273 */
370
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274 public void execute(HgChangesetHandler handler) throws HgCallbackTargetException, HgException, CancelledException {
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275 if (handler == null) {
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276 throw new IllegalArgumentException();
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277 }
193
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278 if (csetTransform != null) {
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279 throw new ConcurrentModificationException();
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280 }
518
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281 final int lastCset = endRev == TIP ? repo.getChangelog().getLastRevision() : endRev;
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282 // XXX pretty much like HgInternals.checkRevlogRange
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283 if (lastCset < 0 || lastCset > repo.getChangelog().getLastRevision()) {
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284 throw new HgBadArgumentException(String.format("Bad value %d for end revision", endRev), null);
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285 }
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286 if (startRev < 0 || startRev > lastCset) {
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287 throw new HgBadArgumentException(String.format("Bad value %d for start revision for range [%1$d..%d]", startRev, lastCset), null);
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288 }
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289 final ProgressSupport progressHelper = getProgressSupport(handler);
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290 try {
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291 count = 0;
432
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292 HgParentChildMap<HgChangelog> pw = getParentHelper(file == null); // leave it uninitialized unless we iterate whole repo
193
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293 // ChangesetTransfrom creates a blank PathPool, and #file(String, boolean) above
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294 // may utilize it as well. CommandContext? How about StatusCollector there as well?
322
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295 csetTransform = new ChangesetTransformer(repo, handler, pw, progressHelper, getCancelSupport(handler, true));
518
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296 FilteringInspector filterInsp = new FilteringInspector();
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297 filterInsp.changesets(startRev, lastCset);
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298 if (file == null) {
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299 progressHelper.start(endRev - startRev + 1);
518
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300 repo.getChangelog().range(startRev, endRev, filterInsp);
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301 csetTransform.checkFailure();
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302 } else {
514
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303 final HgFileRenameHandlerMixin withCopyHandler = Adaptable.Factory.getAdapter(handler, HgFileRenameHandlerMixin.class, null);
518
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304 List<Pair<HgDataFile, Nodeid>> fileRenames = buildFileRenamesQueue();
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305 progressHelper.start(-1/*XXX enum const, or a dedicated method startUnspecified(). How about startAtLeast(int)?*/);
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306
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307 for (int nameIndex = 0, fileRenamesSize = fileRenames.size(); nameIndex < fileRenamesSize; nameIndex++) {
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308 Pair<HgDataFile, Nodeid> curRename = fileRenames.get(nameIndex);
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309 HgDataFile fileNode = curRename.first();
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310 if (followAncestry) {
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311 TreeBuildInspector treeBuilder = new TreeBuildInspector(followAncestry);
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312 List<HistoryNode> fileAncestry = treeBuilder.go(fileNode, curRename.second());
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313 int[] commitRevisions = narrowChangesetRange(treeBuilder.getCommitRevisions(), startRev, lastCset);
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314 if (iterateDirection == IterateDirection.FromOldToNew) {
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315 repo.getChangelog().range(filterInsp, commitRevisions);
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316 } else {
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317 assert iterateDirection == IterateDirection.FromNewToOld;
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318 // visit one by one in the opposite direction
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319 for (int i = commitRevisions.length-1; i >= 0; i--) {
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320 int csetWithFileChange = commitRevisions[i];
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321 repo.getChangelog().range(csetWithFileChange, csetWithFileChange, filterInsp);
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322 }
126
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323 }
518
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324 } else {
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325 // 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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326 int fileStartRev = 0; //fileNode.getChangesetRevisionIndex(0) >= startRev
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327 int fileEndRev = fileNode.getLastRevision();
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328 fileNode.history(fileStartRev, fileEndRev, filterInsp);
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329 csetTransform.checkFailure();
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330 }
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331 if (followRenames && withCopyHandler != null && nameIndex + 1 < fileRenamesSize) {
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332 Pair<HgDataFile, Nodeid> nextRename = fileRenames.get(nameIndex+1);
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diff changeset
333 HgFileRevision src, dst;
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334 // A -> B
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diff changeset
335 if (iterateDirection == IterateDirection.FromOldToNew) {
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336 // curRename: A, nextRename: B
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337 src = new HgFileRevision(fileNode, curRename.second(), null);
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338 dst = new HgFileRevision(nextRename.first(), nextRename.first().getRevision(0), src.getPath());
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339 } else {
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340 assert iterateDirection == IterateDirection.FromNewToOld;
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341 // curRename: B, nextRename: A
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342 src = new HgFileRevision(nextRename.first(), nextRename.second(), null);
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343 dst = new HgFileRevision(fileNode, fileNode.getRevision(0), src.getPath());
80
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344 }
518
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345 withCopyHandler.copy(src, dst);
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346 }
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347 } // for renames
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348 } // file != null
427
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349 } catch (HgRuntimeException ex) {
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350 throw new HgLibraryFailureException(ex);
64
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351 } finally {
193
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352 csetTransform = null;
215
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
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353 progressHelper.done();
64
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354 }
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355 }
328
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356
518
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357 // public static void main(String[] args) {
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358 // int[] r = new int[] {17, 19, 21, 23, 25, 29};
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359 // System.out.println(Arrays.toString(narrowChangesetRange(r, 0, 45)));
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360 // System.out.println(Arrays.toString(narrowChangesetRange(r, 0, 25)));
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361 // System.out.println(Arrays.toString(narrowChangesetRange(r, 5, 26)));
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362 // System.out.println(Arrays.toString(narrowChangesetRange(r, 20, 26)));
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363 // System.out.println(Arrays.toString(narrowChangesetRange(r, 26, 28)));
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diff changeset
364 // }
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365
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366 private static int[] narrowChangesetRange(int[] csetRange, int startCset, int endCset) {
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367 int lastInRange = csetRange[csetRange.length-1];
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368 assert csetRange.length < 2 || csetRange[0] < lastInRange; // sorted
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369 assert startCset >= 0 && startCset <= endCset;
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370 if (csetRange[0] >= startCset && lastInRange <= endCset) {
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371 // completely fits in
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372 return csetRange;
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373 }
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374 if (csetRange[0] > endCset || lastInRange < startCset) {
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375 return new int[0]; // trivial
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376 }
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377 int i = 0;
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378 while (i < csetRange.length && csetRange[i] < startCset) {
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379 i++;
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380 }
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381 int j = csetRange.length - 1;
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382 while (j > i && csetRange[j] > endCset) {
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383 j--;
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384 }
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385 if (i == j) {
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386 // no values in csetRange fit into [startCset, endCset]
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387 return new int[0];
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388 }
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diff changeset
389 int[] rv = new int[j-i+1];
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diff changeset
390 System.arraycopy(csetRange, i, rv, 0, rv.length);
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391 return rv;
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392 }
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393
370
a2341e761609 Let callback implementations deliver errors (e,g. own exceptions) to client code
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diff changeset
394 /**
515
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395 * Tree-wise iteration of a file history, with handy access to parent-child relations between changesets.
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396 * When file history is being followed, handler may additionally implement {@link HgFileRenameHandlerMixin}
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397 * to get notified about switching between history chunks that belong to different names.
402
1fcc7f7b6d65 FIXMEs/javadoc
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diff changeset
398 *
1fcc7f7b6d65 FIXMEs/javadoc
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diff changeset
399 * @param handler callback to process changesets.
515
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diff changeset
400 * @see HgFileRenameHandlerMixin
427
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diff changeset
401 * @throws HgCallbackTargetException propagated exception from the handler
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diff changeset
402 * @throws HgException subclass thereof to indicate specific issue with the command arguments or repository state
380
9517df1ef7ec Comments/javadoc
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diff changeset
403 * @throws CancelledException if execution of the command was cancelled
402
1fcc7f7b6d65 FIXMEs/javadoc
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diff changeset
404 * @throws IllegalArgumentException if command is not satisfied with its arguments
1fcc7f7b6d65 FIXMEs/javadoc
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diff changeset
405 * @throws ConcurrentModificationException if this log command instance is already running
370
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diff changeset
406 */
515
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diff changeset
407 public void execute(final HgChangesetTreeHandler handler) throws HgCallbackTargetException, HgException, CancelledException {
328
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diff changeset
408 if (handler == null) {
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409 throw new IllegalArgumentException();
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410 }
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diff changeset
411 if (csetTransform != null) {
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diff changeset
412 throw new ConcurrentModificationException();
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413 }
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diff changeset
414 if (file == null) {
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415 throw new IllegalArgumentException("History tree is supported for files only (at least now), please specify file");
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416 }
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417 final ProgressSupport progressHelper = getProgressSupport(handler);
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diff changeset
418 final CancelSupport cancelHelper = getCancelSupport(handler, true);
514
5dcb4581c8ef Report renames when following file history tree with HgFileRenameHandlerMixin
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diff changeset
419 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
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parents: 490
diff changeset
420
509
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
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diff changeset
421
517
9922d1f7cb2a Update test to use new command configuration argument (used to have followAncestry == true by default)
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diff changeset
422 // 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)
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diff changeset
423 final HandlerDispatcher dispatcher = new HandlerDispatcher() {
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diff changeset
424
516
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diff changeset
425 @Override
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diff changeset
426 protected void once(HistoryNode n) throws HgCallbackTargetException, CancelledException {
515
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diff changeset
427 handler.treeElement(ei.init(n, currentFileNode));
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diff changeset
428 cancelHelper.checkCancelled();
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diff changeset
429 }
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diff changeset
430 };
508
ca5202afea90 Support follow history option when walking file history tree
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diff changeset
431
510
90093ee56c0d Full-fledged test repo to follow file history. Investigating iteration direction alternatives (from new to old in addition to existing old to new)
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diff changeset
432 // renamed files in the queue are placed with respect to #iterateDirection
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diff changeset
433 // i.e. if we iterate from new to old, recent filenames come first
514
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diff changeset
434 List<Pair<HgDataFile, Nodeid>> fileRenamesQueue = buildFileRenamesQueue();
517
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diff changeset
435 // 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)
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diff changeset
436 // to ensure file we attempt to trace is in the WC's parent. Native hg aborts if not.
507
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diff changeset
437 progressHelper.start(4 * fileRenamesQueue.size());
514
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438 for (int namesIndex = 0, renamesQueueSize = fileRenamesQueue.size(); namesIndex < renamesQueueSize; namesIndex++) {
510
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439
514
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440 final Pair<HgDataFile, Nodeid> renameInfo = fileRenamesQueue.get(namesIndex);
516
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diff changeset
441 dispatcher.prepare(progressHelper, renameInfo);
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
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diff changeset
442 cancelHelper.checkCancelled();
516
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diff changeset
443 if (namesIndex > 0) {
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diff changeset
444 dispatcher.connectWithLastJunctionPoint(renameInfo, fileRenamesQueue.get(namesIndex - 1), renameHandler);
509
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445 }
514
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446 if (namesIndex + 1 < renamesQueueSize) {
516
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diff changeset
447 // there's at least one more name we are going to look at
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diff changeset
448 dispatcher.updateJunctionPoint(renameInfo, fileRenamesQueue.get(namesIndex+1));
509
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449 } else {
516
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diff changeset
450 dispatcher.clearJunctionPoint();
509
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451 }
516
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452 dispatcher.dispatchAllChanges();
514
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453 } // for fileRenamesQueue;
328
a674b8590362 Move file tree history to upper API level
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454 progressHelper.done();
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455 }
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456
510
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457 private IterateDirection iterateDirection = IterateDirection.FromOldToNew;
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458
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459 private static class ReverseIterator<E> implements Iterator<E> {
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460 private final ListIterator<E> listIterator;
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461
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462 public ReverseIterator(List<E> list) {
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463 listIterator = list.listIterator(list.size());
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464 }
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diff changeset
465
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466 public boolean hasNext() {
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467 return listIterator.hasPrevious();
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468 }
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469 public E next() {
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470 return listIterator.previous();
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471 }
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diff changeset
472 public void remove() {
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diff changeset
473 listIterator.remove();
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474 }
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475 }
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diff changeset
476
507
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diff changeset
477 /**
508
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478 * Follows file renames and build a list of all corresponding file nodes and revisions they were
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diff changeset
479 * copied/renamed/branched at (IOW, their latest revision to look at).
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diff changeset
480 *
514
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diff changeset
481 * If {@link #followRenames} is <code>false</code>, the list contains one element only,
508
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diff changeset
482 * file node with the name of the file as it was specified by the user.
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diff changeset
483 *
514
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diff changeset
484 * For the most recent file revision depends on {@link #followAncestry}, and is file revision from working copy parent
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diff changeset
485 * in it's true. <code>null</code> indicates file's TIP revision shall be used.
508
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diff changeset
486 *
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diff changeset
487 * TODO may use HgFileRevision (after some refactoring to accept HgDataFile and Nodeid) instead of Pair
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diff changeset
488 * and possibly reuse this functionality
507
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diff changeset
489 *
510
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diff changeset
490 * @return list of file renames, ordered with respect to {@link #iterateDirection}
507
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diff changeset
491 */
518
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
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diff changeset
492 private List<Pair<HgDataFile, Nodeid>> buildFileRenamesQueue() throws HgPathNotFoundException {
508
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493 LinkedList<Pair<HgDataFile, Nodeid>> rv = new LinkedList<Pair<HgDataFile, Nodeid>>();
514
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diff changeset
494 Nodeid startRev = null;
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diff changeset
495 HgDataFile fileNode = repo.getFileNode(file);
518
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diff changeset
496 if (!fileNode.exists()) {
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diff changeset
497 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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diff changeset
498 }
514
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diff changeset
499 if (followAncestry) {
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diff changeset
500 // TODO subject to dedicated method either in HgRepository (getWorkingCopyParentRevisionIndex)
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diff changeset
501 // or in the HgDataFile (getWorkingCopyOriginRevision)
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diff changeset
502 Nodeid wdParentChangeset = repo.getWorkingCopyParents().first();
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diff changeset
503 if (!wdParentChangeset.isNull()) {
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diff changeset
504 int wdParentRevIndex = repo.getChangelog().getRevisionIndex(wdParentChangeset);
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diff changeset
505 startRev = repo.getManifest().getFileRevision(wdParentRevIndex, fileNode.getPath());
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diff changeset
506 }
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diff changeset
507 // else fall-through, assume null (eventually, lastRevision()) is ok here
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diff changeset
508 }
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diff changeset
509 rv.add(new Pair<HgDataFile, Nodeid>(fileNode, startRev));
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diff changeset
510 if (!followRenames) {
507
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diff changeset
511 return rv;
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diff changeset
512 }
514
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diff changeset
513 while (fileNode.isCopy()) {
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parents: 511
diff changeset
514 Path fp = fileNode.getCopySourceName();
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diff changeset
515 Nodeid copyRev = fileNode.getCopySourceRevision();
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diff changeset
516 fileNode = repo.getFileNode(fp);
510
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diff changeset
517 Pair<HgDataFile, Nodeid> p = new Pair<HgDataFile, Nodeid>(fileNode, copyRev);
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diff changeset
518 if (iterateDirection == IterateDirection.FromOldToNew) {
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diff changeset
519 rv.addFirst(p);
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520 } else {
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diff changeset
521 assert iterateDirection == IterateDirection.FromNewToOld;
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diff changeset
522 rv.addLast(p);
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523 }
514
5dcb4581c8ef Report renames when following file history tree with HgFileRenameHandlerMixin
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524 };
507
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diff changeset
525 return rv;
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diff changeset
526 }
508
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diff changeset
527
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diff changeset
528 private static class TreeBuildInspector implements HgChangelog.ParentInspector, HgChangelog.RevisionInspector {
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diff changeset
529 private final boolean followAncestry;
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diff changeset
530
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531 private HistoryNode[] completeHistory;
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diff changeset
532 private int[] commitRevisions;
509
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diff changeset
533 private List<HistoryNode> resultHistory;
508
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diff changeset
534
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535 TreeBuildInspector(boolean _followAncestry) {
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diff changeset
536 followAncestry = _followAncestry;
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diff changeset
537 }
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diff changeset
538
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diff changeset
539 public void next(int revisionNumber, Nodeid revision, int linkedRevision) {
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diff changeset
540 commitRevisions[revisionNumber] = linkedRevision;
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diff changeset
541 }
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diff changeset
542
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diff changeset
543 public void next(int revisionNumber, Nodeid revision, int parent1, int parent2, Nodeid nidParent1, Nodeid nidParent2) {
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diff changeset
544 HistoryNode p1 = null, p2 = null;
516
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parents: 515
diff changeset
545 // IMPORTANT: method #one(), below, doesn't expect this code expects reasonable values at parent indexes
508
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diff changeset
546 if (parent1 != -1) {
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diff changeset
547 p1 = completeHistory[parent1];
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diff changeset
548 }
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diff changeset
549 if (parent2!= -1) {
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diff changeset
550 p2 = completeHistory[parent2];
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diff changeset
551 }
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552 completeHistory[revisionNumber] = new HistoryNode(commitRevisions[revisionNumber], revision, p1, p2);
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553 }
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diff changeset
554
516
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parents: 515
diff changeset
555 HistoryNode one(HgDataFile fileNode, Nodeid fileRevision) throws HgInvalidControlFileException {
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556 int fileRevIndexToVisit = fileNode.getRevisionIndex(fileRevision);
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diff changeset
557 return one(fileNode, fileRevIndexToVisit);
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parents: 515
diff changeset
558 }
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diff changeset
559
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diff changeset
560 HistoryNode one(HgDataFile fileNode, int fileRevIndexToVisit) throws HgInvalidControlFileException {
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
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diff changeset
561 resultHistory = null;
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diff changeset
562 if (fileRevIndexToVisit == HgRepository.TIP) {
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diff changeset
563 fileRevIndexToVisit = fileNode.getLastRevision();
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diff changeset
564 }
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parents: 515
diff changeset
565 // still, allocate whole array, for #next to be able to get null parent values
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parents: 515
diff changeset
566 completeHistory = new HistoryNode[fileRevIndexToVisit+1];
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567 commitRevisions = new int[completeHistory.length];
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diff changeset
568 fileNode.indexWalk(fileRevIndexToVisit, fileRevIndexToVisit, this);
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parents: 515
diff changeset
569 // it's only single revision, no need to care about followAncestry
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diff changeset
570 // but won't hurt to keep resultHistory != null and commitRevisions initialized just in case
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
571 HistoryNode rv = completeHistory[fileRevIndexToVisit];
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572 commitRevisions = new int[] { commitRevisions[fileRevIndexToVisit] };
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diff changeset
573 completeHistory = null; // no need to keep almost empty array in memory
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diff changeset
574 resultHistory = Collections.singletonList(rv);
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diff changeset
575 return rv;
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576 }
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diff changeset
577
508
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578 /**
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diff changeset
579 * Builds history of file changes (in natural order, from oldest to newest) up to (and including) file revision specified.
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diff changeset
580 * If {@link TreeBuildInspector} follows ancestry, only elements that are on the line of ancestry of the revision at
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diff changeset
581 * lastRevisionIndex would be included.
509
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parents: 508
diff changeset
582 *
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diff changeset
583 * @return list of history elements, from oldest to newest. In case {@link #followAncestry} is <code>true</code>, the list
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
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diff changeset
584 * is modifiable (to further augment with last/first elements of renamed file histories)
508
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parents: 507
diff changeset
585 */
514
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parents: 511
diff changeset
586 List<HistoryNode> go(HgDataFile fileNode, Nodeid fileLastRevisionToVisit) throws HgInvalidControlFileException {
509
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parents: 508
diff changeset
587 resultHistory = null;
514
5dcb4581c8ef Report renames when following file history tree with HgFileRenameHandlerMixin
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parents: 511
diff changeset
588 int fileLastRevIndexToVisit = fileLastRevisionToVisit == null ? fileNode.getLastRevision() : fileNode.getRevisionIndex(fileLastRevisionToVisit);
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diff changeset
589 completeHistory = new HistoryNode[fileLastRevIndexToVisit+1];
508
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diff changeset
590 commitRevisions = new int[completeHistory.length];
514
5dcb4581c8ef Report renames when following file history tree with HgFileRenameHandlerMixin
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parents: 511
diff changeset
591 fileNode.indexWalk(0, fileLastRevIndexToVisit, this);
508
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parents: 507
diff changeset
592 if (!followAncestry) {
509
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diff changeset
593 // in case when ancestor not followed, it's safe to return unmodifiable list
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parents: 508
diff changeset
594 resultHistory = Arrays.asList(completeHistory);
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
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parents: 508
diff changeset
595 completeHistory = null;
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parents: 508
diff changeset
596 // keep commitRevisions initialized, no need to recalculate them
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parents: 508
diff changeset
597 // as they correspond 1:1 to 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
598 return resultHistory;
508
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diff changeset
599 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
600 /*
509
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
601 * Changesets, newest at the top:
508
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diff changeset
602 * o <-- cset from working dir parent (as in dirstate), file not changed (file revision recorded points to that from A)
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diff changeset
603 * | x <-- revision with file changed (B')
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parents: 507
diff changeset
604 * x / <-- revision with file changed (A)
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diff changeset
605 * | x <-- revision with file changed (B)
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diff changeset
606 * |/
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parents: 507
diff changeset
607 * o <-- another changeset, where file wasn't changed
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parents: 507
diff changeset
608 * |
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parents: 507
diff changeset
609 * x <-- revision with file changed (C)
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diff changeset
610 *
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
611 * File history: B', A, B, C
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diff changeset
612 *
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parents: 507
diff changeset
613 * When "follow", SHALL NOT report B and B', but A and C
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diff changeset
614 */
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diff changeset
615 // strippedHistory: only those HistoryNodes from completeHistory that are on the same
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diff changeset
616 // line of descendant, in order from older to newer
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diff changeset
617 LinkedList<HistoryNode> strippedHistoryList = new LinkedList<HistoryNode>();
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diff changeset
618 LinkedList<HistoryNode> queue = new LinkedList<HistoryNode>();
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parents: 507
diff changeset
619 // look for ancestors of the selected history node
514
5dcb4581c8ef Report renames when following file history tree with HgFileRenameHandlerMixin
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diff changeset
620 queue.add(completeHistory[fileLastRevIndexToVisit]);
508
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diff changeset
621 do {
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parents: 507
diff changeset
622 HistoryNode withFileChange = queue.removeFirst();
511
122e0600799f Respect multiple joins/forks in a history of a single file
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parents: 510
diff changeset
623 if (strippedHistoryList.contains(withFileChange)) {
122e0600799f Respect multiple joins/forks in a history of a single file
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parents: 510
diff changeset
624 // 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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parents: 510
diff changeset
625 // both lines of development by now.
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parents: 510
diff changeset
626 continue;
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parents: 510
diff changeset
627 }
508
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diff changeset
628 if (withFileChange.children != null) {
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diff changeset
629 withFileChange.children.retainAll(strippedHistoryList);
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diff changeset
630 }
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diff changeset
631 strippedHistoryList.addFirst(withFileChange);
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diff changeset
632 if (withFileChange.parent1 != null) {
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parents: 507
diff changeset
633 queue.addLast(withFileChange.parent1);
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diff changeset
634 }
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parents: 507
diff changeset
635 if (withFileChange.parent2 != null) {
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parents: 507
diff changeset
636 queue.addLast(withFileChange.parent2);
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parents: 507
diff changeset
637 }
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diff changeset
638 } while (!queue.isEmpty());
511
122e0600799f Respect multiple joins/forks in a history of a single file
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parents: 510
diff changeset
639 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
640
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parents: 510
diff changeset
641 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
642 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
643 }
122e0600799f Respect multiple joins/forks in a history of a single file
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diff changeset
644 });
508
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diff changeset
645 completeHistory = null;
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diff changeset
646 commitRevisions = null;
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diff changeset
647 // collected values are no longer valid - shall
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diff changeset
648 // 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
649 // from resultHistory later, once (and if) needed
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diff changeset
650 return resultHistory = strippedHistoryList;
508
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diff changeset
651 }
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diff changeset
652
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diff changeset
653 /**
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diff changeset
654 * handy access to all HistoryNode[i].changeset values
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diff changeset
655 */
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diff changeset
656 int[] getCommitRevisions() {
509
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diff changeset
657 if (commitRevisions == null) {
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diff changeset
658 commitRevisions = new int[resultHistory.size()];
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diff changeset
659 int i = 0;
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diff changeset
660 for (HistoryNode n : resultHistory) {
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
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diff changeset
661 commitRevisions[i++] = n.changeset;
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parents: 508
diff changeset
662 }
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diff changeset
663 }
508
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diff changeset
664 return commitRevisions;
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diff changeset
665 }
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diff changeset
666 };
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diff changeset
667
516
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668 private abstract class HandlerDispatcher {
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669 private final int CACHE_CSET_IN_ADVANCE_THRESHOLD = 100; /* XXX is it really worth it? */
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670 // builds tree of nodes according to parents in file's revlog
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671 private final TreeBuildInspector treeBuildInspector = new TreeBuildInspector(followAncestry);
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672 private List<HistoryNode> changeHistory;
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673 protected ElementImpl ei = null;
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674 private ProgressSupport progress;
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675 protected HgDataFile currentFileNode;
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676 // node where current file history chunk intersects with same file under other name history
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677 // either mock of B(0) or A(k), depending on iteration order
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678 private HistoryNode junctionNode;
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679
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680 // parentProgress shall be initialized with 4 XXX refactor all this stuff with parentProgress
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681 public void prepare(ProgressSupport parentProgress, Pair<HgDataFile, Nodeid> renameInfo) {
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682 // if we don't followAncestry, take complete history
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683 // XXX treeBuildInspector knows followAncestry, perhaps the logic
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684 // whether to take specific revision or the last one shall be there?
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685 changeHistory = treeBuildInspector.go(renameInfo.first(), followAncestry ? renameInfo.second() : null);
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686 assert changeHistory.size() > 0;
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687 parentProgress.worked(1);
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688 int historyNodeCount = changeHistory.size();
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689 if (ei == null) {
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690 // when follow is true, changeHistory.size() of the first revision might be quite short
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691 // (e.g. bad fname recognized soon), hence ensure at least cache size at once
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692 ei = new ElementImpl(Math.max(CACHE_CSET_IN_ADVANCE_THRESHOLD, historyNodeCount));
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693 }
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694 if (historyNodeCount < CACHE_CSET_IN_ADVANCE_THRESHOLD ) {
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695 int[] commitRevisions = treeBuildInspector.getCommitRevisions();
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696 assert commitRevisions.length == changeHistory.size();
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697 // read bunch of changesets at once and cache 'em
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698 ei.initTransform();
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699 repo.getChangelog().range(ei, commitRevisions);
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700 parentProgress.worked(1);
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701 progress = new ProgressSupport.Sub(parentProgress, 2);
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702 } else {
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703 progress = new ProgressSupport.Sub(parentProgress, 3);
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704 }
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705 progress.start(historyNodeCount);
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706 // switch to present chunk's file node
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707 switchTo(renameInfo.first());
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708 }
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709
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710 public void updateJunctionPoint(Pair<HgDataFile, Nodeid> curRename, Pair<HgDataFile, Nodeid> nextRename) {
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711 // A (old) renamed to B(new). A(0..k..n) -> B(0..m). If followAncestry, k == n
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712 // curRename.second() points to A(k)
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713 if (iterateDirection == IterateDirection.FromOldToNew) {
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714 // looking at A chunk (curRename), nextRename points to B
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715 HistoryNode junctionSrc = findJunctionPointInCurrentChunk(curRename.second()); // A(k)
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716 HistoryNode junctionDestMock = treeBuildInspector.one(nextRename.first(), 0); // B(0)
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717 // junstionDestMock is mock object, once we iterate next rename, there'd be different HistoryNode
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718 // for B's first revision. This means we read it twice, but this seems to be reasonable
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719 // price for simplicity of the code (and opportunity to follow renames while not following ancestry)
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720 junctionSrc.bindChild(junctionDestMock);
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diff changeset
721 // Save mock A(k) 1) not to keep whole A history in memory 2) Don't need it's parent and children once get to B
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diff changeset
722 // 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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723 junctionNode = new HistoryNode(junctionSrc.changeset, junctionSrc.fileRevision, null, null);
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diff changeset
724 } else {
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diff changeset
725 assert iterateDirection == IterateDirection.FromNewToOld;
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726 // looking at B chunk (curRename), nextRename points at A
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727 HistoryNode junctionDest = changeHistory.get(0); // B(0)
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diff changeset
728 // prepare mock A(k)
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diff changeset
729 HistoryNode junctionSrcMock = treeBuildInspector.one(nextRename.first(), nextRename.second()); // A(k)
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diff changeset
730 // B(0) to list A(k) as its parent
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diff changeset
731 // NOTE, A(k) would be different when we reach A chunk on the next iteration,
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732 // but we do not care as long as TreeElement needs only parent/child changesets
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diff changeset
733 // and not other TreeElements; so that it's enough to have mock parent node (just
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diff changeset
734 // for the sake of parent cset revisions). We have to, indeed, update real A(k),
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diff changeset
735 // once we get to iteration over A, with B(0) (junctionDest) as one more child.
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diff changeset
736 junctionSrcMock.bindChild(junctionDest);
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diff changeset
737 // Save mock B(0), for reasons see above for opposite direction
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diff changeset
738 junctionNode = new HistoryNode(junctionDest.changeset, junctionDest.fileRevision, null, null);
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739 }
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740 }
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741
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diff changeset
742 public void clearJunctionPoint() {
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diff changeset
743 junctionNode = null;
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744 }
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diff changeset
745
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diff changeset
746 public void connectWithLastJunctionPoint(Pair<HgDataFile, Nodeid> curRename, Pair<HgDataFile, Nodeid> prevRename, HgFileRenameHandlerMixin renameHandler) throws HgCallbackTargetException {
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diff changeset
747 assert junctionNode != null;
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diff changeset
748 // A renamed to B. A(0..k..n) -> B(0..m). If followAncestry: k == n
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diff changeset
749 if (iterateDirection == IterateDirection.FromOldToNew) {
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diff changeset
750 // forward, from old to new:
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diff changeset
751 // changeHistory points to B
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diff changeset
752 // Already reported: A(0)..A(n), A(k) is in junctionNode
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diff changeset
753 // Shall connect histories: A(k).bind(B(0))
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diff changeset
754 HistoryNode junctionDest = changeHistory.get(0); // B(0)
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diff changeset
755 // junctionNode is A(k)
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diff changeset
756 junctionNode.bindChild(junctionDest);
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diff changeset
757 if (renameHandler != null) { // shall report renames
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diff changeset
758 HgFileRevision copiedFrom = new HgFileRevision(prevRename.first(), junctionNode.fileRevision, null); // "A", A(k)
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diff changeset
759 HgFileRevision copiedTo = new HgFileRevision(curRename.first(), junctionDest.fileRevision, copiedFrom.getPath()); // "B", B(0)
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diff changeset
760 renameHandler.copy(copiedFrom, copiedTo);
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diff changeset
761 }
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diff changeset
762 } else {
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diff changeset
763 assert iterateDirection == IterateDirection.FromNewToOld;
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diff changeset
764 // changeHistory points to A
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diff changeset
765 // Already reported B(m), B(m-1)...B(0), B(0) is in junctionNode
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diff changeset
766 // Shall connect histories A(k).bind(B(0))
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diff changeset
767 // if followAncestry: A(k) is latest in changeHistory (k == n)
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diff changeset
768 HistoryNode junctionSrc = findJunctionPointInCurrentChunk(curRename.second()); // A(k)
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diff changeset
769 junctionSrc.bindChild(junctionNode);
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diff changeset
770 if (renameHandler != null) {
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diff changeset
771 HgFileRevision copiedFrom = new HgFileRevision(curRename.first(), junctionSrc.fileRevision, null); // "A", A(k)
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
772 HgFileRevision copiedTo = new HgFileRevision(prevRename.first(), junctionNode.fileRevision, copiedFrom.getPath()); // "B", B(0)
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
773 renameHandler.copy(copiedFrom, copiedTo);
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
774 }
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
775 }
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
776 }
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
777
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
778 private HistoryNode findJunctionPointInCurrentChunk(Nodeid fileRevision) {
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
779 if (followAncestry) {
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
780 // use the fact we don't go past junction point when followAncestry == true
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
781 HistoryNode rv = changeHistory.get(changeHistory.size() - 1);
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
782 assert rv.fileRevision.equals(fileRevision);
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
783 return rv;
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
784 }
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
785 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
786 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
787 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
788 }
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
789 }
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
790 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
791 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
792 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
793 }
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
794
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
795 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
796
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
797 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
798 // 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
799 Iterator<HistoryNode> it;
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
800 if (iterateDirection == IterateDirection.FromOldToNew) {
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
801 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
802 } else {
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
803 assert iterateDirection == IterateDirection.FromNewToOld;
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
804 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
805 }
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
806 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
807 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
808 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
809 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
810 }
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
811 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
812 }
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
813
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
814 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
815 // 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
816 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
817 }
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
818 }
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
819
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
820
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
821 //
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
822
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
823 private class FilteringInspector implements HgChangelog.Inspector, Lifecycle {
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
824
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
825 private Callback lifecycle;
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
826 private int firstCset = BAD_REVISION, lastCset = BAD_REVISION;
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
827
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
828 // 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
829 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
830 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
831 lastCset = end;
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
832 }
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
833
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
834 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
835 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
836 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
837 }
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
838 // 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
839 // 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
840 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
841 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
842 }
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
843 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
844 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
845 }
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
846 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
847 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
848 }
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
849 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
850 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
851 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
852 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
853 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
854 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
855 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
856 }
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
857 }
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
858 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
859 return;
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
860 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
861 }
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
862 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
863 // 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
864 }
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
865 csetTransform.next(revisionNumber, nodeid, 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
866 if (++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
867 if (lifecycle != null) { // FIXME support Lifecycle delegation
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
868 lifecycle.stop();
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
869 }
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
870 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
871 }
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
872
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
873 public void start(int count, Callback callback, Object token) {
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
874 lifecycle = callback;
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
875 }
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
876
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
877 public void finish(Object token) {
0d5e1ea7955e Tests for HgLogCommand#execute(HgChangesetHandler) with various combination of follow renames and ancestry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 517
diff changeset
878 }
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
879 }
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
880
432
1fc0da631200 Revlog.ParentWalker helper class got promoted as TLC, renamed to HgParentChildMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 431
diff changeset
881 private HgParentChildMap<HgChangelog> getParentHelper(boolean create) throws HgInvalidControlFileException {
328
a674b8590362 Move file tree history to upper API level
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diff changeset
882 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
883 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>
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diff changeset
884 parentHelper.init();
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diff changeset
885 }
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
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parents: 193
diff changeset
886 return parentHelper;
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diff changeset
887 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 193
diff changeset
888
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
889
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
890 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
891 private final List<HgChangeset> result = new LinkedList<HgChangeset>();
64
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diff changeset
892
129
645829962785 core.Cset renamed to HgChangeset; repo.Changeset moved into HgChangelog
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diff changeset
893 public List<HgChangeset> getChanges() {
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
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parents:
diff changeset
894 return Collections.unmodifiableList(result);
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
895 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
896
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
897 public void cset(HgChangeset changeset) {
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
898 result.add(changeset.clone());
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
899 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
900 }
328
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diff changeset
901
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
902 private static class HistoryNode {
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903 final int changeset;
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diff changeset
904 final Nodeid fileRevision;
509
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
905 HistoryNode parent1; // there's special case when we can alter it, see #bindChild()
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
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diff changeset
906 final HistoryNode parent2;
328
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diff changeset
907 List<HistoryNode> children;
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diff changeset
908
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
909 HistoryNode(int cs, Nodeid revision, HistoryNode p1, HistoryNode p2) {
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diff changeset
910 changeset = cs;
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diff changeset
911 fileRevision = revision;
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diff changeset
912 parent1 = p1;
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diff changeset
913 parent2 = p2;
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diff changeset
914 if (p1 != null) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
915 p1.addChild(this);
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
916 }
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diff changeset
917 if (p2 != null) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
918 p2.addChild(this);
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
919 }
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diff changeset
920 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
921
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
922 private void addChild(HistoryNode child) {
328
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parents: 322
diff changeset
923 if (children == null) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
924 children = new ArrayList<HistoryNode>(2);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
925 }
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diff changeset
926 children.add(child);
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
927 }
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
928
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
929 /**
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
930 * 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
931 * 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
932 * with that of child
509
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
933 * @param child
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
934 */
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
935 public void bindChild(HistoryNode child) {
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
936 assert child.parent1 == null && child.parent2 == null;
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
937 child.parent1 = this;
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
938 addChild(child);
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
939 }
511
122e0600799f Respect multiple joins/forks in a history of a single file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 510
diff changeset
940
122e0600799f Respect multiple joins/forks in a history of a single file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 510
diff changeset
941 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
942 return String.format("<cset:%d, parents: %s, %s>", changeset, parent1 == null ? "-" : String.valueOf(parent1.changeset), parent2 == null ? "-" : String.valueOf(parent2.changeset));
122e0600799f Respect multiple joins/forks in a history of a single file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 510
diff changeset
943 }
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
944 }
a674b8590362 Move file tree history to upper API level
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parents: 322
diff changeset
945
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parents: 322
diff changeset
946 private class ElementImpl implements HgChangesetTreeHandler.TreeElement, HgChangelog.Inspector {
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parents: 322
diff changeset
947 private HistoryNode historyNode;
515
e6c8b9b654b2 Provide access to HgDataFile being iterated into HgChangesetTreeHandler.TreeElement to give context for renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 514
diff changeset
948 private HgDataFile fileNode;
328
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diff changeset
949 private Pair<HgChangeset, HgChangeset> parents;
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diff changeset
950 private List<HgChangeset> children;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
951 private IntMap<HgChangeset> cachedChangesets;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
952 private ChangesetTransformer.Transformation transform;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
953 private Nodeid changesetRevision;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
954 private Pair<Nodeid,Nodeid> parentRevisions;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
955 private List<Nodeid> childRevisions;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
956
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
957 public ElementImpl(int total) {
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parents: 322
diff changeset
958 cachedChangesets = new IntMap<HgChangeset>(total);
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parents: 322
diff changeset
959 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
960
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
961 ElementImpl init(HistoryNode n, HgDataFile df) {
328
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parents: 322
diff changeset
962 historyNode = n;
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
963 fileNode = df;
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
964 parents = null;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
965 children = null;
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parents: 322
diff changeset
966 changesetRevision = null;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
967 parentRevisions = null;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
968 childRevisions = null;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
969 return this;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
970 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
971
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parents: 322
diff changeset
972 public Nodeid fileRevision() {
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parents: 322
diff changeset
973 return historyNode.fileRevision;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
974 }
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
975
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
976 public HgDataFile file() {
e6c8b9b654b2 Provide access to HgDataFile being iterated into HgChangesetTreeHandler.TreeElement to give context for renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 514
diff changeset
977 return fileNode;
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
978 }
328
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parents: 322
diff changeset
979
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
980 public HgChangeset changeset() {
328
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parents: 322
diff changeset
981 return get(historyNode.changeset)[0];
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
982 }
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parents: 322
diff changeset
983
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
984 public Pair<HgChangeset, HgChangeset> parents() {
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
985 if (parents != null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
986 return parents;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
987 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
988 HistoryNode p;
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parents: 322
diff changeset
989 final int p1, p2;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
990 if ((p = historyNode.parent1) != null) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
991 p1 = p.changeset;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
992 } else {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
993 p1 = -1;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
994 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
995 if ((p = historyNode.parent2) != null) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
996 p2 = p.changeset;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
997 } else {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
998 p2 = -1;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
999 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1000 HgChangeset[] r = get(p1, p2);
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parents: 322
diff changeset
1001 return parents = new Pair<HgChangeset, HgChangeset>(r[0], r[1]);
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parents: 322
diff changeset
1002 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1003
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
1004 public Collection<HgChangeset> children() {
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1005 if (children != null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1006 return children;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1007 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1008 if (historyNode.children == null) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1009 children = Collections.emptyList();
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diff changeset
1010 } else {
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diff changeset
1011 int[] childrentChangesetNumbers = new int[historyNode.children.size()];
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diff changeset
1012 int j = 0;
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diff changeset
1013 for (HistoryNode hn : historyNode.children) {
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diff changeset
1014 childrentChangesetNumbers[j++] = hn.changeset;
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1015 }
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diff changeset
1016 children = Arrays.asList(get(childrentChangesetNumbers));
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diff changeset
1017 }
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diff changeset
1018 return children;
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diff changeset
1019 }
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diff changeset
1020
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diff changeset
1021 void populate(HgChangeset cs) {
403
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diff changeset
1022 cachedChangesets.put(cs.getRevisionIndex(), cs);
328
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diff changeset
1023 }
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diff changeset
1024
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
1025 private HgChangeset[] get(int... changelogRevisionIndex) {
403
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parents: 402
diff changeset
1026 HgChangeset[] rv = new HgChangeset[changelogRevisionIndex.length];
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parents: 402
diff changeset
1027 IntVector misses = new IntVector(changelogRevisionIndex.length, -1);
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1028 for (int i = 0; i < changelogRevisionIndex.length; i++) {
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parents: 402
diff changeset
1029 if (changelogRevisionIndex[i] == -1) {
328
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diff changeset
1030 rv[i] = null;
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diff changeset
1031 continue;
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diff changeset
1032 }
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
1033 HgChangeset cached = cachedChangesets.get(changelogRevisionIndex[i]);
328
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diff changeset
1034 if (cached != null) {
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diff changeset
1035 rv[i] = cached;
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diff changeset
1036 } else {
403
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diff changeset
1037 misses.add(changelogRevisionIndex[i]);
328
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diff changeset
1038 }
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diff changeset
1039 }
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diff changeset
1040 if (misses.size() > 0) {
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diff changeset
1041 final int[] changesets2read = misses.toArray();
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diff changeset
1042 initTransform();
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diff changeset
1043 repo.getChangelog().range(this, changesets2read);
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diff changeset
1044 for (int changeset2read : changesets2read) {
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diff changeset
1045 HgChangeset cs = cachedChangesets.get(changeset2read);
403
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1046 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
1047 HgInvalidStateException t = new HgInvalidStateException(String.format("Can't get changeset for revision %d", changeset2read));
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 419
diff changeset
1048 throw t.setRevisionIndex(changeset2read);
403
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1049 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1050 // HgChangelog.range may reorder changesets according to their order in the changelog
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1051 // thus need to find original index
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1052 boolean sanity = false;
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1053 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
1054 if (changelogRevisionIndex[i] == cs.getRevisionIndex()) {
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1055 rv[i] = cs;
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1056 sanity = true;
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1057 break;
328
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diff changeset
1058 }
403
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1059 }
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1060 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
1061 repo.getSessionContext().getLog().dump(getClass(), Error, "Index of revision %d:%s doesn't match any of requested", cs.getRevisionIndex(), cs.getNodeid().shortNotation());
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1062 }
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1063 assert sanity;
328
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diff changeset
1064 }
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diff changeset
1065 }
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diff changeset
1066 return rv;
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diff changeset
1067 }
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diff changeset
1068
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diff changeset
1069 // 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
1070 void initTransform() throws HgRuntimeException {
328
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parents: 322
diff changeset
1071 if (transform == null) {
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diff changeset
1072 transform = new ChangesetTransformer.Transformation(new HgStatusCollector(repo)/*XXX try to reuse from context?*/, getParentHelper(false));
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diff changeset
1073 }
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diff changeset
1074 }
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diff changeset
1075
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diff changeset
1076 public void next(int revisionNumber, Nodeid nodeid, RawChangeset cset) {
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parents: 322
diff changeset
1077 HgChangeset cs = transform.handle(revisionNumber, nodeid, cset);
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parents: 322
diff changeset
1078 populate(cs.clone());
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1079 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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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
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 419
diff changeset
1081 public Nodeid changesetRevision() {
328
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diff changeset
1082 if (changesetRevision == null) {
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diff changeset
1083 changesetRevision = getRevision(historyNode.changeset);
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diff changeset
1084 }
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diff changeset
1085 return changesetRevision;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1086 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1087
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
1088 public Pair<Nodeid, Nodeid> parentRevisions() {
328
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diff changeset
1089 if (parentRevisions == null) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1090 HistoryNode p;
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diff changeset
1091 final Nodeid p1, p2;
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diff changeset
1092 if ((p = historyNode.parent1) != null) {
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parents: 322
diff changeset
1093 p1 = getRevision(p.changeset);
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parents: 322
diff changeset
1094 } else {
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parents: 322
diff changeset
1095 p1 = Nodeid.NULL;;
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parents: 322
diff changeset
1096 }
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diff changeset
1097 if ((p = historyNode.parent2) != null) {
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parents: 322
diff changeset
1098 p2 = getRevision(p.changeset);
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parents: 322
diff changeset
1099 } else {
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parents: 322
diff changeset
1100 p2 = Nodeid.NULL;
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diff changeset
1101 }
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diff changeset
1102 parentRevisions = new Pair<Nodeid, Nodeid>(p1, p2);
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diff changeset
1103 }
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parents: 322
diff changeset
1104 return parentRevisions;
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parents: 322
diff changeset
1105 }
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diff changeset
1106
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
1107 public Collection<Nodeid> childRevisions() {
328
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diff changeset
1108 if (childRevisions != null) {
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diff changeset
1109 return childRevisions;
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parents: 322
diff changeset
1110 }
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diff changeset
1111 if (historyNode.children == null) {
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diff changeset
1112 childRevisions = Collections.emptyList();
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diff changeset
1113 } else {
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diff changeset
1114 ArrayList<Nodeid> rv = new ArrayList<Nodeid>(historyNode.children.size());
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diff changeset
1115 for (HistoryNode hn : historyNode.children) {
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diff changeset
1116 rv.add(getRevision(hn.changeset));
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diff changeset
1117 }
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diff changeset
1118 childRevisions = Collections.unmodifiableList(rv);
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parents: 322
diff changeset
1119 }
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parents: 322
diff changeset
1120 return childRevisions;
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parents: 322
diff changeset
1121 }
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diff changeset
1122
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parents: 322
diff changeset
1123 // 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
1124 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
1125 // TODO post-1.0 pipe through pool
328
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diff changeset
1126 HgChangeset cs = cachedChangesets.get(changelogRevisionNumber);
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parents: 322
diff changeset
1127 if (cs != null) {
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diff changeset
1128 return cs.getNodeid();
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parents: 322
diff changeset
1129 } else {
403
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parents: 402
diff changeset
1130 return repo.getChangelog().getRevision(changelogRevisionNumber);
328
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diff changeset
1131 }
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diff changeset
1132 }
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diff changeset
1133 }
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
1134
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
1135 private enum 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
1136 FromOldToNew, FromNewToOld
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
1137 }
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
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1138 }