Mercurial > jhg
annotate src/org/tmatesoft/hg/core/HgLogCommand.java @ 570:36853bb80a35
Tests for HgAnnotateCommand with follow/no-follow option
author | Artem Tikhomirov <tikhomirov.artem@gmail.com> |
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date | Thu, 11 Apr 2013 16:07:17 +0200 |
parents | 78a9e26e670d |
children | e4ee4bf4c7d0 |
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1 /* |
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2 s * Copyright (c) 2011-2013 TMate Software Ltd |
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3 * |
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4 * This program is free software; you can redistribute it and/or modify |
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5 * it under the terms of the GNU General Public License as published by |
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6 * the Free Software Foundation; version 2 of the License. |
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7 * |
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8 * This program is distributed in the hope that it will be useful, |
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9 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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11 * GNU General Public License for more details. |
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12 * |
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13 * For information on how to redistribute this software under |
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14 * the terms of a license other than GNU General Public License |
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15 * contact TMate Software at support@hg4j.com |
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16 */ |
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17 package org.tmatesoft.hg.core; |
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18 |
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19 import static org.tmatesoft.hg.repo.HgRepository.BAD_REVISION; |
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20 import static org.tmatesoft.hg.repo.HgRepository.TIP; |
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21 import static org.tmatesoft.hg.util.LogFacility.Severity.Error; |
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22 |
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23 import java.util.ArrayList; |
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24 import java.util.Arrays; |
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25 import java.util.Calendar; |
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26 import java.util.Collection; |
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27 import java.util.Collections; |
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28 import java.util.Comparator; |
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29 import java.util.ConcurrentModificationException; |
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30 import java.util.Iterator; |
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31 import java.util.LinkedList; |
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32 import java.util.List; |
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33 import java.util.ListIterator; |
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34 import java.util.Set; |
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35 import java.util.TreeSet; |
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36 |
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37 import org.tmatesoft.hg.internal.AdapterPlug; |
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38 import org.tmatesoft.hg.internal.BatchRangeHelper; |
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39 import org.tmatesoft.hg.internal.CsetParamKeeper; |
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40 import org.tmatesoft.hg.internal.IntMap; |
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41 import org.tmatesoft.hg.internal.IntVector; |
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42 import org.tmatesoft.hg.internal.Internals; |
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43 import org.tmatesoft.hg.internal.Lifecycle; |
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44 import org.tmatesoft.hg.internal.LifecycleProxy; |
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45 import org.tmatesoft.hg.repo.HgChangelog; |
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46 import org.tmatesoft.hg.repo.HgChangelog.RawChangeset; |
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47 import org.tmatesoft.hg.repo.HgDataFile; |
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48 import org.tmatesoft.hg.repo.HgInvalidControlFileException; |
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49 import org.tmatesoft.hg.repo.HgInvalidStateException; |
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50 import org.tmatesoft.hg.repo.HgParentChildMap; |
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51 import org.tmatesoft.hg.repo.HgRepository; |
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52 import org.tmatesoft.hg.repo.HgRuntimeException; |
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53 import org.tmatesoft.hg.repo.HgStatusCollector; |
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54 import org.tmatesoft.hg.util.Adaptable; |
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55 import org.tmatesoft.hg.util.CancelSupport; |
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56 import org.tmatesoft.hg.util.CancelledException; |
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57 import org.tmatesoft.hg.util.Pair; |
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58 import org.tmatesoft.hg.util.Path; |
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59 import org.tmatesoft.hg.util.ProgressSupport; |
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60 |
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61 |
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62 /** |
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63 * Access to changelog, 'hg log' command counterpart. |
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64 * |
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65 * <pre> |
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66 * Usage: |
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67 * new LogCommand().limit(20).branch("maintenance-2.1").user("me").execute(new MyHandler()); |
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68 * </pre> |
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69 * Not thread-safe (each thread has to use own {@link HgLogCommand} instance). |
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70 * |
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71 * @author Artem Tikhomirov |
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72 * @author TMate Software Ltd. |
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73 */ |
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74 public class HgLogCommand extends HgAbstractCommand<HgLogCommand> { |
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75 |
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76 private final HgRepository repo; |
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77 private Set<String> users; |
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78 private Set<String> branches; |
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79 private int limit = 0, count = 0; |
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80 private int startRev = 0, endRev = TIP; |
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81 private Calendar date; |
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82 private Path file; |
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83 /* |
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84 * Whether to iterate file origins, if any. |
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85 * Makes sense only when file != null |
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86 */ |
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87 private boolean followRenames; |
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88 /* |
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89 * Whether to track history of the selected file version (based on file revision |
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90 * in working dir parent), follow ancestors only. |
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91 * Note, 'hg log --follow' combines both #followHistory and #followAncestry |
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92 */ |
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93 private boolean followAncestry; |
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94 |
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95 private HgIterateDirection iterateDirection = HgIterateDirection.OldToNew; |
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96 |
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97 private ChangesetTransformer csetTransform; |
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98 private HgParentChildMap<HgChangelog> parentHelper; |
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99 |
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100 public HgLogCommand(HgRepository hgRepo) { |
107 | 101 repo = hgRepo; |
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102 } |
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103 |
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104 /** |
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105 * Limit search to specified user. Multiple user names may be specified. Once set, user names can't be |
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106 * cleared, use new command instance in such cases. |
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107 * @param user - full or partial name of the user, case-insensitive, non-null. |
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108 * @return <code>this</code> instance for convenience |
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109 * @throws IllegalArgumentException when argument is null |
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110 */ |
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111 public HgLogCommand user(String user) { |
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112 if (user == null) { |
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113 throw new IllegalArgumentException(); |
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114 } |
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115 if (users == null) { |
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116 users = new TreeSet<String>(); |
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117 } |
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118 users.add(user.toLowerCase()); |
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119 return this; |
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120 } |
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121 |
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122 /** |
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123 * Limit search to specified branch. Multiple branch specification possible (changeset from any of these |
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124 * would be included in result). If unspecified, all branches are considered. There's no way to clean branch selection |
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125 * once set, create fresh new command instead. |
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126 * @param branch - branch name, case-sensitive, non-null. |
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127 * @return <code>this</code> instance for convenience |
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128 * @throws IllegalArgumentException when branch argument is null |
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129 */ |
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130 public HgLogCommand branch(String branch) { |
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131 if (branch == null) { |
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132 throw new IllegalArgumentException(); |
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133 } |
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134 if (branches == null) { |
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135 branches = new TreeSet<String>(); |
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136 } |
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137 branches.add(branch); |
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138 return this; |
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139 } |
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140 |
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141 // limit search to specific date |
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142 // multiple? |
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143 public HgLogCommand date(Calendar date) { |
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144 this.date = date; |
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145 // TODO post-1.0 implement |
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146 // isSet(field) - false => don't use in detection of 'same date' |
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147 throw Internals.notImplemented(); |
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148 } |
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149 |
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150 /** |
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151 * |
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152 * @param num - number of changeset to produce. Pass 0 to clear the limit. |
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153 * @return <code>this</code> instance for convenience |
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154 */ |
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155 public HgLogCommand limit(int num) { |
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156 limit = num; |
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157 return this; |
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158 } |
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159 |
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160 /** |
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161 * Limit to specified subset of Changelog, [min(rev1,rev2), max(rev1,rev2)], inclusive. |
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162 * Revision may be specified with {@link HgRepository#TIP} |
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163 * |
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164 * @param rev1 - local index of start changeset revision |
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165 * @param rev2 - index of end changeset revision |
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166 * @return <code>this</code> instance for convenience |
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167 */ |
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168 public HgLogCommand range(int rev1, int rev2) { |
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169 if (rev1 != TIP && rev2 != TIP) { |
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170 startRev = rev2 < rev1 ? rev2 : rev1; |
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171 endRev = startRev == rev2 ? rev1 : rev2; |
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172 } else if (rev1 == TIP && rev2 != TIP) { |
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173 startRev = rev2; |
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174 endRev = rev1; |
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175 } else { |
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176 startRev = rev1; |
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177 endRev = rev2; |
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178 } |
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179 // TODO [2.0 API break] shall throw HgBadArgumentException, like other commands do |
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180 return this; |
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181 } |
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182 |
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183 /** |
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184 * Select specific changeset |
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185 * |
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186 * @param nid changeset revision |
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187 * @return <code>this</code> for convenience |
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188 * @throws HgBadArgumentException if failed to find supplied changeset revision |
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189 */ |
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190 public HgLogCommand changeset(Nodeid nid) throws HgBadArgumentException { |
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191 // XXX perhaps, shall support multiple (...) arguments and extend #execute to handle not only range, but also set of revisions. |
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192 final int csetRevIndex = new CsetParamKeeper(repo).set(nid).get(); |
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193 return range(csetRevIndex, csetRevIndex); |
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194 } |
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195 |
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196 /** |
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197 * Visit history of a given file only. Note, unlike native <code>hg log</code> command argument <code>--follow</code>, this method doesn't |
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198 * follow file ancestry, but reports complete file history (with <code>followCopyRenames == true</code>, for each |
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199 * name of the file known in sequence). To achieve output similar to that of <code>hg log --follow filePath</code>, use |
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200 * {@link #file(Path, boolean, boolean) file(filePath, true, true)} alternative. |
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201 * |
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202 * @param filePath path relative to repository root. Pass <code>null</code> to reset. |
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203 * @param followCopyRename true to report changesets of the original file(-s), if copy/rename ever occured to the file. |
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204 * @return <code>this</code> for convenience |
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205 */ |
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206 public HgLogCommand file(Path filePath, boolean followCopyRename) { |
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207 return file(filePath, followCopyRename, false); |
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208 } |
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209 |
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210 /** |
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211 * Full control over file history iteration. |
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212 * |
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213 * @param filePath path relative to repository root. Pass <code>null</code> to reset. |
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214 * @param followCopyRename true to report changesets of the original file(-s), if copy/rename ever occured to the file. |
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215 * @param followFileAncestry true to follow file history starting from revision at working copy parent. Note, only revisions |
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216 * accessible (i.e. on direct parent line) from the selected one will be reported. This is how <code>hg log --follow filePath</code> |
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217 * behaves, with the difference that this method allows separate control whether to follow renames or not. |
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218 * |
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219 * @return <code>this</code> for convenience |
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220 */ |
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221 public HgLogCommand file(Path filePath, boolean followCopyRename, boolean followFileAncestry) { |
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222 file = filePath; |
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223 followRenames = followCopyRename; |
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224 followAncestry = followFileAncestry; |
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225 return this; |
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226 } |
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227 |
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228 /** |
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229 * Handy analog to {@link #file(Path, boolean)} when clients' paths come from filesystem and need conversion to repository's |
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230 * @return <code>this</code> for convenience |
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231 */ |
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232 public HgLogCommand file(String file, boolean followCopyRename) { |
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233 return file(Path.create(repo.getToRepoPathHelper().rewrite(file)), followCopyRename); |
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234 } |
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235 |
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236 /** |
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237 * Handy analog to {@link #file(Path, boolean, boolean)} when clients' paths come from filesystem and need conversion to repository's |
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238 * @return <code>this</code> for convenience |
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239 */ |
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240 public HgLogCommand file(String file, boolean followCopyRename, boolean followFileAncestry) { |
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241 return file(Path.create(repo.getToRepoPathHelper().rewrite(file)), followCopyRename, followFileAncestry); |
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242 } |
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243 |
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244 /** |
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245 * Specifies order for changesets reported through #execute(...) methods. |
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246 * By default, command reports changeset in their natural repository order, older first, |
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247 * newer last (i.e. {@link HgIterateDirection#OldToNew} |
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248 * |
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249 * @param order {@link HgIterateDirection#NewToOld} to get newer revisions first |
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250 * @return <code>this</code> for convenience |
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251 */ |
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252 public HgLogCommand order(HgIterateDirection order) { |
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253 iterateDirection = order; |
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254 return this; |
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255 } |
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256 |
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257 /** |
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258 * Similar to {@link #execute(HgChangesetHandler)}, collects and return result as a list. |
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259 * |
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260 * @see #execute(HgChangesetHandler) |
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261 * @throws HgException subclass thereof to indicate specific issue with the command arguments or repository state |
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262 */ |
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263 public List<HgChangeset> execute() throws HgException { |
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264 CollectHandler collector = new CollectHandler(); |
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265 try { |
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266 execute(collector); |
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267 } catch (HgCallbackTargetException ex) { |
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268 // see below for CanceledException |
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269 HgInvalidStateException t = new HgInvalidStateException("Internal error"); |
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270 t.initCause(ex); |
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271 throw t; |
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272 } catch (CancelledException ex) { |
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273 // can't happen as long as our CollectHandler doesn't throw any exception |
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274 HgInvalidStateException t = new HgInvalidStateException("Internal error"); |
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275 t.initCause(ex); |
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276 throw t; |
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277 } |
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278 return collector.getChanges(); |
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279 } |
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280 |
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281 /** |
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282 * Iterate over range of changesets configured in the command. |
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283 * |
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284 * @param handler callback to process changesets. |
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285 * @throws HgCallbackTargetException propagated exception from the handler |
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286 * @throws HgException subclass thereof to indicate specific issue with the command arguments or repository state |
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287 * @throws CancelledException if execution of the command was cancelled |
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288 * @throws IllegalArgumentException when inspector argument is null |
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289 * @throws ConcurrentModificationException if this log command instance is already running |
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290 */ |
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291 public void execute(HgChangesetHandler handler) throws HgCallbackTargetException, HgException, CancelledException { |
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292 if (handler == null) { |
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293 throw new IllegalArgumentException(); |
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294 } |
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295 if (csetTransform != null) { |
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296 throw new ConcurrentModificationException(); |
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297 } |
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298 if (repo.getChangelog().getRevisionCount() == 0) { |
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299 return; |
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300 } |
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301 final int lastCset = endRev == TIP ? repo.getChangelog().getLastRevision() : endRev; |
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302 // XXX pretty much like HgInternals.checkRevlogRange |
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303 if (lastCset < 0 || lastCset > repo.getChangelog().getLastRevision()) { |
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304 throw new HgBadArgumentException(String.format("Bad value %d for end revision", lastCset), null); |
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305 } |
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306 if (startRev < 0 || startRev > lastCset) { |
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307 throw new HgBadArgumentException(String.format("Bad value %d for start revision for range [%1$d..%d]", startRev, lastCset), null); |
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308 } |
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309 final ProgressSupport progressHelper = getProgressSupport(handler); |
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310 final int BATCH_SIZE = 100; |
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311 try { |
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312 count = 0; |
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313 HgParentChildMap<HgChangelog> pw = getParentHelper(file == null); // leave it uninitialized unless we iterate whole repo |
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314 // ChangesetTransfrom creates a blank PathPool, and #file(String, boolean) above |
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315 // may utilize it as well. CommandContext? How about StatusCollector there as well? |
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316 csetTransform = new ChangesetTransformer(repo, handler, pw, progressHelper, getCancelSupport(handler, true)); |
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317 // FilteringInspector is responsible to check command arguments: users, branches, limit, etc. |
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318 // prior to passing cset to next Inspector, which is either (a) collector to reverse cset order, then invokes |
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319 // transformer from (b), below, with alternative cset order or (b) transformer to hi-level csets. |
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320 FilteringInspector filterInsp = new FilteringInspector(); |
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321 filterInsp.changesets(startRev, lastCset); |
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322 if (file == null) { |
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323 progressHelper.start(lastCset - startRev + 1); |
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324 if (iterateDirection == HgIterateDirection.OldToNew) { |
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325 filterInsp.delegateTo(csetTransform); |
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326 repo.getChangelog().range(startRev, lastCset, filterInsp); |
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327 csetTransform.checkFailure(); |
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328 } else { |
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329 assert iterateDirection == HgIterateDirection.NewToOld; |
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330 BatchRangeHelper brh = new BatchRangeHelper(startRev, lastCset, BATCH_SIZE, true); |
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331 BatchChangesetInspector batchInspector = new BatchChangesetInspector(Math.min(lastCset-startRev+1, BATCH_SIZE)); |
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332 filterInsp.delegateTo(batchInspector); |
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333 while (brh.hasNext()) { |
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334 brh.next(); |
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335 repo.getChangelog().range(brh.start(), brh.end(), filterInsp); |
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336 for (BatchChangesetInspector.BatchRecord br : batchInspector.iterate(true)) { |
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337 csetTransform.next(br.csetIndex, br.csetRevision, br.cset); |
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338 csetTransform.checkFailure(); |
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339 } |
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340 batchInspector.reset(); |
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341 } |
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342 } |
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343 } else { |
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344 filterInsp.delegateTo(csetTransform); |
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345 final HgFileRenameHandlerMixin withCopyHandler = Adaptable.Factory.getAdapter(handler, HgFileRenameHandlerMixin.class, null); |
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346 FileRenameQueueBuilder frqBuilder = new FileRenameQueueBuilder(); |
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347 List<Pair<HgDataFile, Nodeid>> fileRenames = frqBuilder.buildFileRenamesQueue(); |
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348 progressHelper.start(fileRenames.size()); |
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349 for (int nameIndex = 0, fileRenamesSize = fileRenames.size(); nameIndex < fileRenamesSize; nameIndex++) { |
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350 Pair<HgDataFile, Nodeid> curRename = fileRenames.get(nameIndex); |
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351 HgDataFile fileNode = curRename.first(); |
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352 if (followAncestry) { |
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353 TreeBuildInspector treeBuilder = new TreeBuildInspector(followAncestry); |
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354 @SuppressWarnings("unused") |
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355 List<HistoryNode> fileAncestry = treeBuilder.go(fileNode, curRename.second()); |
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356 int[] commitRevisions = narrowChangesetRange(treeBuilder.getCommitRevisions(), startRev, lastCset); |
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357 if (iterateDirection == HgIterateDirection.OldToNew) { |
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358 repo.getChangelog().range(filterInsp, commitRevisions); |
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359 csetTransform.checkFailure(); |
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360 } else { |
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361 assert iterateDirection == HgIterateDirection.NewToOld; |
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362 // visit one by one in the opposite direction |
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363 for (int i = commitRevisions.length-1; i >= 0; i--) { |
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364 int csetWithFileChange = commitRevisions[i]; |
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365 repo.getChangelog().range(csetWithFileChange, csetWithFileChange, filterInsp); |
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366 } |
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367 } |
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368 } else { |
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369 // 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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370 int fileStartRev = 0; //fileNode.getChangesetRevisionIndex(0) >= startRev |
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371 int fileEndRev = fileNode.getLastRevision(); |
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372 if (iterateDirection == HgIterateDirection.OldToNew) { |
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373 fileNode.history(fileStartRev, fileEndRev, filterInsp); |
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374 csetTransform.checkFailure(); |
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375 } else { |
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376 assert iterateDirection == HgIterateDirection.NewToOld; |
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377 BatchRangeHelper brh = new BatchRangeHelper(fileStartRev, fileEndRev, BATCH_SIZE, true); |
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378 BatchChangesetInspector batchInspector = new BatchChangesetInspector(Math.min(fileEndRev-fileStartRev+1, BATCH_SIZE)); |
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379 filterInsp.delegateTo(batchInspector); |
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380 while (brh.hasNext()) { |
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381 brh.next(); |
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382 fileNode.history(brh.start(), brh.end(), filterInsp); |
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383 for (BatchChangesetInspector.BatchRecord br : batchInspector.iterate(true /*iterateDirection == IterateDirection.FromNewToOld*/)) { |
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384 csetTransform.next(br.csetIndex, br.csetRevision, br.cset); |
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385 csetTransform.checkFailure(); |
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386 } |
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387 batchInspector.reset(); |
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388 } |
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389 } |
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390 } |
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391 if (withCopyHandler != null && nameIndex + 1 < fileRenamesSize) { |
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392 Pair<HgDataFile, Nodeid> nextRename = fileRenames.get(nameIndex+1); |
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393 HgFileRevision src, dst; |
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394 // A -> B |
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395 if (iterateDirection == HgIterateDirection.OldToNew) { |
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396 // curRename: A, nextRename: B |
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397 src = new HgFileRevision(fileNode, curRename.second(), null); |
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398 dst = new HgFileRevision(nextRename.first(), nextRename.first().getRevision(0), src.getPath()); |
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399 } else { |
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400 assert iterateDirection == HgIterateDirection.NewToOld; |
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401 // curRename: B, nextRename: A |
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402 src = new HgFileRevision(nextRename.first(), nextRename.second(), null); |
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403 dst = new HgFileRevision(fileNode, fileNode.getRevision(0), src.getPath()); |
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404 } |
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405 withCopyHandler.copy(src, dst); |
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406 } |
528
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407 progressHelper.worked(1); |
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408 } // for renames |
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409 frqBuilder.reportRenameIfNotInQueue(fileRenames, withCopyHandler); |
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410 } // file != null |
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411 } catch (HgRuntimeException ex) { |
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412 throw new HgLibraryFailureException(ex); |
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413 } finally { |
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414 csetTransform = null; |
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415 progressHelper.done(); |
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416 } |
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417 } |
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418 |
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419 private static class BatchChangesetInspector extends AdapterPlug implements HgChangelog.Inspector { |
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420 private static class BatchRecord { |
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421 public final int csetIndex; |
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422 public final Nodeid csetRevision; |
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423 public final RawChangeset cset; |
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424 |
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425 public BatchRecord(int index, Nodeid nodeid, RawChangeset changeset) { |
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426 csetIndex = index; |
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427 csetRevision = nodeid; |
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428 cset = changeset; |
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429 } |
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430 } |
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431 private final ArrayList<BatchRecord> batch; |
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432 |
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433 public BatchChangesetInspector(int batchSizeHint) { |
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434 batch = new ArrayList<BatchRecord>(batchSizeHint); |
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435 } |
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436 |
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437 public BatchChangesetInspector reset() { |
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438 batch.clear(); |
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439 return this; |
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440 } |
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441 |
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442 public void next(int revisionIndex, Nodeid nodeid, RawChangeset cset) { |
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443 batch.add(new BatchRecord(revisionIndex, nodeid, cset.clone())); |
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444 } |
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445 |
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446 public Iterable<BatchRecord> iterate(final boolean reverse) { |
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447 return new Iterable<BatchRecord>() { |
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448 |
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449 public Iterator<BatchRecord> iterator() { |
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450 return reverse ? new ReverseIterator<BatchRecord>(batch) : batch.iterator(); |
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451 } |
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452 }; |
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453 } |
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454 |
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455 // alternative would be dispatch(HgChangelog.Inspector) and dispatchReverse() |
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456 // methods, but progress and cancellation might get messy then |
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457 } |
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458 |
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459 // public static void main(String[] args) { |
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460 // int[] r = new int[] {17, 19, 21, 23, 25, 29}; |
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461 // System.out.println(Arrays.toString(narrowChangesetRange(r, 0, 45))); |
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462 // System.out.println(Arrays.toString(narrowChangesetRange(r, 0, 25))); |
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463 // System.out.println(Arrays.toString(narrowChangesetRange(r, 5, 26))); |
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464 // System.out.println(Arrays.toString(narrowChangesetRange(r, 20, 26))); |
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465 // System.out.println(Arrays.toString(narrowChangesetRange(r, 26, 28))); |
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466 // } |
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467 |
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468 private static int[] narrowChangesetRange(int[] csetRange, int startCset, int endCset) { |
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469 int lastInRange = csetRange[csetRange.length-1]; |
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470 assert csetRange.length < 2 || csetRange[0] < lastInRange; // sorted |
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471 assert startCset >= 0 && startCset <= endCset; |
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472 if (csetRange[0] >= startCset && lastInRange <= endCset) { |
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473 // completely fits in |
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474 return csetRange; |
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475 } |
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476 if (csetRange[0] > endCset || lastInRange < startCset) { |
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477 return new int[0]; // trivial |
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478 } |
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479 int i = 0; |
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480 while (i < csetRange.length && csetRange[i] < startCset) { |
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481 i++; |
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482 } |
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483 int j = csetRange.length - 1; |
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484 while (j > i && csetRange[j] > endCset) { |
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485 j--; |
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486 } |
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487 if (i == j) { |
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488 // no values in csetRange fit into [startCset, endCset] |
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489 return new int[0]; |
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490 } |
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491 int[] rv = new int[j-i+1]; |
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492 System.arraycopy(csetRange, i, rv, 0, rv.length); |
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493 return rv; |
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494 } |
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495 |
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496 /** |
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497 * Tree-wise iteration of a file history, with handy access to parent-child relations between changesets. |
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498 * When file history is being followed, handler may additionally implement {@link HgFileRenameHandlerMixin} |
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499 * to get notified about switching between history chunks that belong to different names. |
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500 * |
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501 * @param handler callback to process changesets. |
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502 * @see HgFileRenameHandlerMixin |
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503 * @throws HgCallbackTargetException propagated exception from the handler |
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504 * @throws HgException subclass thereof to indicate specific issue with the command arguments or repository state |
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505 * @throws CancelledException if execution of the command was cancelled |
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506 * @throws IllegalArgumentException if command is not satisfied with its arguments |
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507 * @throws ConcurrentModificationException if this log command instance is already running |
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508 */ |
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509 public void execute(final HgChangesetTreeHandler handler) throws HgCallbackTargetException, HgException, CancelledException { |
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510 if (handler == null) { |
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511 throw new IllegalArgumentException(); |
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512 } |
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513 if (csetTransform != null) { |
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514 throw new ConcurrentModificationException(); |
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515 } |
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516 if (file == null) { |
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517 throw new IllegalArgumentException("History tree is supported for files only (at least now), please specify file"); |
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518 } |
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519 final ProgressSupport progressHelper = getProgressSupport(handler); |
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520 final CancelSupport cancelHelper = getCancelSupport(handler, true); |
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521 final HgFileRenameHandlerMixin renameHandler = Adaptable.Factory.getAdapter(handler, HgFileRenameHandlerMixin.class, null); |
507
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522 |
509
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523 |
517
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524 // XXX rename. dispatcher is not a proper name (most of the job done - managing history chunk interconnection) |
516
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525 final HandlerDispatcher dispatcher = new HandlerDispatcher() { |
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526 |
516
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527 @Override |
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528 protected void once(HistoryNode n) throws HgCallbackTargetException, CancelledException { |
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529 handler.treeElement(ei.init(n, currentFileNode)); |
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530 cancelHelper.checkCancelled(); |
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531 } |
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532 }; |
508
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533 |
510
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534 // renamed files in the queue are placed with respect to #iterateDirection |
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535 // i.e. if we iterate from new to old, recent filenames come first |
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536 FileRenameQueueBuilder frqBuilder = new FileRenameQueueBuilder(); |
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537 List<Pair<HgDataFile, Nodeid>> fileRenamesQueue = frqBuilder.buildFileRenamesQueue(); |
517
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538 // XXX perhaps, makes sense to look at selected file's revision when followAncestry is true |
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539 // to ensure file we attempt to trace is in the WC's parent. Native hg aborts if not. |
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540 progressHelper.start(4 * fileRenamesQueue.size()); |
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541 for (int namesIndex = 0, renamesQueueSize = fileRenamesQueue.size(); namesIndex < renamesQueueSize; namesIndex++) { |
510
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542 |
514
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543 final Pair<HgDataFile, Nodeid> renameInfo = fileRenamesQueue.get(namesIndex); |
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544 dispatcher.prepare(progressHelper, renameInfo); |
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545 cancelHelper.checkCancelled(); |
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546 if (namesIndex > 0) { |
528
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547 dispatcher.connectWithLastJunctionPoint(renameInfo, fileRenamesQueue.get(namesIndex - 1)); |
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548 } |
514
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549 if (namesIndex + 1 < renamesQueueSize) { |
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550 // there's at least one more name we are going to look at |
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551 dispatcher.updateJunctionPoint(renameInfo, fileRenamesQueue.get(namesIndex+1), renameHandler != null); |
509
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552 } else { |
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553 dispatcher.clearJunctionPoint(); |
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554 } |
516
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555 dispatcher.dispatchAllChanges(); |
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556 if (renameHandler != null && namesIndex + 1 < renamesQueueSize) { |
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557 dispatcher.reportRenames(renameHandler); |
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558 } |
514
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559 } // for fileRenamesQueue; |
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560 frqBuilder.reportRenameIfNotInQueue(fileRenamesQueue, renameHandler); |
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561 progressHelper.done(); |
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562 } |
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563 |
510
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564 private static class ReverseIterator<E> implements Iterator<E> { |
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565 private final ListIterator<E> listIterator; |
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566 |
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567 public ReverseIterator(List<E> list) { |
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568 listIterator = list.listIterator(list.size()); |
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569 } |
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570 |
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571 public boolean hasNext() { |
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572 return listIterator.hasPrevious(); |
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573 } |
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574 public E next() { |
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575 return listIterator.previous(); |
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576 } |
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577 public void remove() { |
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578 listIterator.remove(); |
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579 } |
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580 } |
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581 |
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582 /** |
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583 * Utility to build sequence of file renames |
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584 */ |
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585 private class FileRenameQueueBuilder { |
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586 |
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587 /** |
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588 * Follows file renames and build a list of all corresponding file nodes and revisions they were |
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589 * copied/renamed/branched at (IOW, their latest revision to look at). |
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590 * |
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591 * @param followRename when <code>false</code>, the list contains one element only, |
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592 * file node with the name of the file as it was specified by the user. |
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593 * |
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594 * @param followAncestry the most recent file revision reported depends on this parameter, |
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595 * and it is file revision from working copy parent in there when it's true. |
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596 * <code>null</code> as Pair's second indicates file's TIP revision shall be used. |
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597 * |
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598 * TODO may use HgFileRevision (after some refactoring to accept HgDataFile and Nodeid) instead of Pair |
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599 * and possibly reuse this functionality |
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600 * |
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601 * @return list of file renames, ordered with respect to {@link #iterateDirection} |
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602 */ |
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603 public List<Pair<HgDataFile, Nodeid>> buildFileRenamesQueue() throws HgPathNotFoundException { |
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604 LinkedList<Pair<HgDataFile, Nodeid>> rv = new LinkedList<Pair<HgDataFile, Nodeid>>(); |
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605 Nodeid startRev = null; |
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606 HgDataFile fileNode = repo.getFileNode(file); |
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607 if (!fileNode.exists()) { |
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608 throw new HgPathNotFoundException(String.format("File %s not found in the repository", file), file); |
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609 } |
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610 if (followAncestry) { |
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611 // TODO subject to dedicated method either in HgRepository (getWorkingCopyParentRevisionIndex) |
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612 // or in the HgDataFile (getWorkingCopyOriginRevision) |
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613 Nodeid wdParentChangeset = repo.getWorkingCopyParents().first(); |
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614 if (!wdParentChangeset.isNull()) { |
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615 int wdParentRevIndex = repo.getChangelog().getRevisionIndex(wdParentChangeset); |
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616 startRev = repo.getManifest().getFileRevision(wdParentRevIndex, fileNode.getPath()); |
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617 } |
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618 // else fall-through, assume null (eventually, lastRevision()) is ok here |
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619 } |
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620 Pair<HgDataFile, Nodeid> p = new Pair<HgDataFile, Nodeid>(fileNode, startRev); |
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621 rv.add(p); |
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622 if (!followRenames) { |
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623 return rv; |
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624 } |
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625 while (hasOrigin(p)) { |
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626 p = origin(p); |
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627 if (iterateDirection == HgIterateDirection.OldToNew) { |
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628 rv.addFirst(p); |
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629 } else { |
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630 assert iterateDirection == HgIterateDirection.NewToOld; |
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631 rv.addLast(p); |
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632 } |
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633 }; |
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634 return rv; |
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635 } |
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636 |
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637 public boolean hasOrigin(Pair<HgDataFile, Nodeid> p) { |
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638 return p.first().isCopy(); |
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639 } |
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640 |
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641 public Pair<HgDataFile, Nodeid> origin(Pair<HgDataFile, Nodeid> p) { |
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642 HgDataFile fileNode = p.first(); |
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643 assert fileNode.isCopy(); |
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644 Path fp = fileNode.getCopySourceName(); |
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645 Nodeid copyRev = fileNode.getCopySourceRevision(); |
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646 fileNode = repo.getFileNode(fp); |
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647 return new Pair<HgDataFile, Nodeid>(fileNode, copyRev); |
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648 } |
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649 |
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650 /** |
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651 * Shall report renames based solely on HgFileRenameHandlerMixin presence, |
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652 * even if queue didn't get rename information due to followRenames == false |
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653 * |
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654 * @param queue value from {@link #buildFileRenamesQueue()} |
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655 * @param renameHandler may be <code>null</code> |
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656 */ |
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657 public void reportRenameIfNotInQueue(List<Pair<HgDataFile, Nodeid>> queue, HgFileRenameHandlerMixin renameHandler) throws HgCallbackTargetException { |
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658 if (renameHandler != null && !followRenames) { |
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659 // If followRenames is true, all the historical names were in the queue and are processed already. |
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660 // Hence, shall process origin explicitly only when renameHandler is present but followRenames is not requested. |
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661 assert queue.size() == 1; // see the way queue is constructed above |
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662 Pair<HgDataFile, Nodeid> curRename = queue.get(0); |
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663 if (hasOrigin(curRename)) { |
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664 Pair<HgDataFile, Nodeid> origin = origin(curRename); |
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665 HgFileRevision src, dst; |
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666 src = new HgFileRevision(origin.first(), origin.second(), null); |
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667 dst = new HgFileRevision(curRename.first(), curRename.first().getRevision(0), src.getPath()); |
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668 renameHandler.copy(src, dst); |
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669 } |
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670 } |
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671 } |
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672 } |
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673 |
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674 private static class TreeBuildInspector implements HgChangelog.ParentInspector, HgChangelog.RevisionInspector { |
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675 private final boolean followAncestry; |
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676 |
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677 private HistoryNode[] completeHistory; |
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678 private int[] commitRevisions; |
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679 private List<HistoryNode> resultHistory; |
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680 |
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681 TreeBuildInspector(boolean _followAncestry) { |
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682 followAncestry = _followAncestry; |
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683 } |
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684 |
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685 public void next(int revisionNumber, Nodeid revision, int linkedRevision) { |
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686 commitRevisions[revisionNumber] = linkedRevision; |
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687 } |
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688 |
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689 public void next(int revisionNumber, Nodeid revision, int parent1, int parent2, Nodeid nidParent1, Nodeid nidParent2) { |
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690 HistoryNode p1 = null, p2 = null; |
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691 // IMPORTANT: method #one(), below, doesn't expect this code expects reasonable values at parent indexes |
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692 if (parent1 != -1) { |
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693 p1 = completeHistory[parent1]; |
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694 } |
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695 if (parent2!= -1) { |
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696 p2 = completeHistory[parent2]; |
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697 } |
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698 completeHistory[revisionNumber] = new HistoryNode(commitRevisions[revisionNumber], revision, p1, p2); |
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699 } |
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700 |
516
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701 HistoryNode one(HgDataFile fileNode, Nodeid fileRevision) throws HgInvalidControlFileException { |
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702 int fileRevIndexToVisit = fileNode.getRevisionIndex(fileRevision); |
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703 return one(fileNode, fileRevIndexToVisit); |
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704 } |
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705 |
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706 HistoryNode one(HgDataFile fileNode, int fileRevIndexToVisit) throws HgInvalidControlFileException { |
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707 resultHistory = null; |
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708 if (fileRevIndexToVisit == HgRepository.TIP) { |
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709 fileRevIndexToVisit = fileNode.getLastRevision(); |
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710 } |
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711 // still, allocate whole array, for #next to be able to get null parent values |
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712 completeHistory = new HistoryNode[fileRevIndexToVisit+1]; |
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713 commitRevisions = new int[completeHistory.length]; |
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714 fileNode.indexWalk(fileRevIndexToVisit, fileRevIndexToVisit, this); |
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715 // it's only single revision, no need to care about followAncestry |
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716 // but won't hurt to keep resultHistory != null and commitRevisions initialized just in case |
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717 HistoryNode rv = completeHistory[fileRevIndexToVisit]; |
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718 commitRevisions = new int[] { commitRevisions[fileRevIndexToVisit] }; |
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719 completeHistory = null; // no need to keep almost empty array in memory |
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720 resultHistory = Collections.singletonList(rv); |
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721 return rv; |
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722 } |
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723 |
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724 /** |
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725 * Builds history of file changes (in natural order, from oldest to newest) up to (and including) file revision specified. |
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726 * If {@link TreeBuildInspector} follows ancestry, only elements that are on the line of ancestry of the revision at |
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727 * lastRevisionIndex would be included. |
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728 * |
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729 * @return list of history elements, from oldest to newest. In case {@link #followAncestry} is <code>true</code>, the list |
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730 * is modifiable (to further augment with last/first elements of renamed file histories) |
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731 */ |
514
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732 List<HistoryNode> go(HgDataFile fileNode, Nodeid fileLastRevisionToVisit) throws HgInvalidControlFileException { |
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733 resultHistory = null; |
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734 int fileLastRevIndexToVisit = fileLastRevisionToVisit == null ? fileNode.getLastRevision() : fileNode.getRevisionIndex(fileLastRevisionToVisit); |
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735 completeHistory = new HistoryNode[fileLastRevIndexToVisit+1]; |
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736 commitRevisions = new int[completeHistory.length]; |
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737 fileNode.indexWalk(0, fileLastRevIndexToVisit, this); |
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738 if (!followAncestry) { |
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739 // in case when ancestor not followed, it's safe to return unmodifiable list |
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740 resultHistory = Arrays.asList(completeHistory); |
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741 completeHistory = null; |
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742 // keep commitRevisions initialized, no need to recalculate them |
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743 // as they correspond 1:1 to resultHistory |
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744 return resultHistory; |
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745 } |
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746 /* |
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747 * Changesets, newest at the top: |
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748 * o <-- cset from working dir parent (as in dirstate), file not changed (file revision recorded points to that from A) |
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749 * | x <-- revision with file changed (B') |
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750 * x / <-- revision with file changed (A) |
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751 * | x <-- revision with file changed (B) |
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752 * |/ |
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753 * o <-- another changeset, where file wasn't changed |
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754 * | |
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755 * x <-- revision with file changed (C) |
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756 * |
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757 * File history: B', A, B, C |
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758 * |
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759 * When "follow", SHALL NOT report B and B', but A and C |
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760 */ |
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761 // strippedHistory: only those HistoryNodes from completeHistory that are on the same |
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762 // line of descendant, in order from older to newer |
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763 LinkedList<HistoryNode> strippedHistoryList = new LinkedList<HistoryNode>(); |
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764 LinkedList<HistoryNode> queue = new LinkedList<HistoryNode>(); |
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765 // look for ancestors of the selected history node |
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766 queue.add(completeHistory[fileLastRevIndexToVisit]); |
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767 do { |
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768 HistoryNode withFileChange = queue.removeFirst(); |
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769 if (strippedHistoryList.contains(withFileChange)) { |
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770 // fork point for the change that was later merged (and we traced |
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771 // both lines of development by now. |
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772 continue; |
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773 } |
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774 if (withFileChange.children != null) { |
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775 withFileChange.children.retainAll(strippedHistoryList); |
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776 } |
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777 strippedHistoryList.addFirst(withFileChange); |
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778 if (withFileChange.parent1 != null) { |
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779 queue.addLast(withFileChange.parent1); |
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780 } |
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781 if (withFileChange.parent2 != null) { |
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782 queue.addLast(withFileChange.parent2); |
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783 } |
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784 } while (!queue.isEmpty()); |
511
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785 Collections.sort(strippedHistoryList, new Comparator<HistoryNode>() { |
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786 |
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787 public int compare(HistoryNode o1, HistoryNode o2) { |
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788 return o1.changeset - o2.changeset; |
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789 } |
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790 }); |
508
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791 completeHistory = null; |
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792 commitRevisions = null; |
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793 // collected values are no longer valid - shall |
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794 // strip off elements for missing HistoryNodes, but it's easier just to re-create the array |
509
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795 // from resultHistory later, once (and if) needed |
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796 return resultHistory = strippedHistoryList; |
508
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797 } |
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798 |
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799 /** |
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800 * handy access to all HistoryNode[i].changeset values |
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801 */ |
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802 int[] getCommitRevisions() { |
509
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803 if (commitRevisions == null) { |
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804 commitRevisions = new int[resultHistory.size()]; |
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805 int i = 0; |
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806 for (HistoryNode n : resultHistory) { |
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807 commitRevisions[i++] = n.changeset; |
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808 } |
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809 } |
508
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810 return commitRevisions; |
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811 } |
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812 }; |
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813 |
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814 private abstract class HandlerDispatcher { |
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815 private final int CACHE_CSET_IN_ADVANCE_THRESHOLD = 100; /* XXX is it really worth it? */ |
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816 // builds tree of nodes according to parents in file's revlog |
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817 private final TreeBuildInspector treeBuildInspector = new TreeBuildInspector(followAncestry); |
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818 private List<HistoryNode> changeHistory; |
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819 protected ElementImpl ei = null; |
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820 private ProgressSupport progress; |
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821 protected HgDataFile currentFileNode; |
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822 // node where current file history chunk intersects with same file under other name history |
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823 // either mock of B(0) or A(k), depending on iteration order |
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824 private HistoryNode junctionNode; |
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825 // initialized when there's HgFileRenameHandlerMixin |
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826 private HgFileRevision copiedFrom, copiedTo; |
516
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827 |
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828 // parentProgress shall be initialized with 4 XXX refactor all this stuff with parentProgress |
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829 public void prepare(ProgressSupport parentProgress, Pair<HgDataFile, Nodeid> renameInfo) { |
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830 // if we don't followAncestry, take complete history |
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831 // XXX treeBuildInspector knows followAncestry, perhaps the logic |
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832 // whether to take specific revision or the last one shall be there? |
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833 changeHistory = treeBuildInspector.go(renameInfo.first(), followAncestry ? renameInfo.second() : null); |
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834 assert changeHistory.size() > 0; |
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835 parentProgress.worked(1); |
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836 int historyNodeCount = changeHistory.size(); |
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837 if (ei == null) { |
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838 // when follow is true, changeHistory.size() of the first revision might be quite short |
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839 // (e.g. bad fname recognized soon), hence ensure at least cache size at once |
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840 ei = new ElementImpl(Math.max(CACHE_CSET_IN_ADVANCE_THRESHOLD, historyNodeCount)); |
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841 } |
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842 if (historyNodeCount < CACHE_CSET_IN_ADVANCE_THRESHOLD ) { |
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843 int[] commitRevisions = treeBuildInspector.getCommitRevisions(); |
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844 assert commitRevisions.length == changeHistory.size(); |
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845 // read bunch of changesets at once and cache 'em |
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846 ei.initTransform(); |
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847 repo.getChangelog().range(ei, commitRevisions); |
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848 parentProgress.worked(1); |
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849 progress = new ProgressSupport.Sub(parentProgress, 2); |
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850 } else { |
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851 progress = new ProgressSupport.Sub(parentProgress, 3); |
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852 } |
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853 progress.start(historyNodeCount); |
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854 // switch to present chunk's file node |
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855 switchTo(renameInfo.first()); |
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856 } |
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857 |
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858 public void updateJunctionPoint(Pair<HgDataFile, Nodeid> curRename, Pair<HgDataFile, Nodeid> nextRename, boolean needCopyFromTo) { |
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859 copiedFrom = copiedTo = null; |
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860 // |
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861 // A (old) renamed to B(new). A(0..k..n) -> B(0..m). If followAncestry, k == n |
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862 // curRename.second() points to A(k) |
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863 if (iterateDirection == HgIterateDirection.OldToNew) { |
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864 // looking at A chunk (curRename), nextRename points to B |
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865 HistoryNode junctionSrc = findJunctionPointInCurrentChunk(curRename.second()); // A(k) |
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866 HistoryNode junctionDestMock = treeBuildInspector.one(nextRename.first(), 0); // B(0) |
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867 // junstionDestMock is mock object, once we iterate next rename, there'd be different HistoryNode |
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868 // for B's first revision. This means we read it twice, but this seems to be reasonable |
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869 // price for simplicity of the code (and opportunity to follow renames while not following ancestry) |
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870 junctionSrc.bindChild(junctionDestMock); |
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871 // 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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872 // 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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873 junctionNode = new HistoryNode(junctionSrc.changeset, junctionSrc.fileRevision, null, null); |
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874 if (needCopyFromTo) { |
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875 copiedFrom = new HgFileRevision(curRename.first(), junctionNode.fileRevision, null); // "A", A(k) |
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876 copiedTo = new HgFileRevision(nextRename.first(), junctionDestMock.fileRevision, copiedFrom.getPath()); // "B", B(0) |
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877 } |
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878 } else { |
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879 assert iterateDirection == HgIterateDirection.NewToOld; |
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880 // looking at B chunk (curRename), nextRename points at A |
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881 HistoryNode junctionDest = changeHistory.get(0); // B(0) |
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882 // prepare mock A(k) |
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883 HistoryNode junctionSrcMock = treeBuildInspector.one(nextRename.first(), nextRename.second()); // A(k) |
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884 // B(0) to list A(k) as its parent |
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885 // NOTE, A(k) would be different when we reach A chunk on the next iteration, |
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886 // but we do not care as long as TreeElement needs only parent/child changesets |
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887 // and not other TreeElements; so that it's enough to have mock parent node (just |
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888 // for the sake of parent cset revisions). We have to, indeed, update real A(k), |
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889 // once we get to iteration over A, with B(0) (junctionDest) as one more child. |
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890 junctionSrcMock.bindChild(junctionDest); |
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891 // Save mock B(0), for reasons see above for opposite direction |
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892 junctionNode = new HistoryNode(junctionDest.changeset, junctionDest.fileRevision, null, null); |
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893 if (needCopyFromTo) { |
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894 copiedFrom = new HgFileRevision(nextRename.first(), junctionSrcMock.fileRevision, null); // "A", A(k) |
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895 copiedTo = new HgFileRevision(curRename.first(), junctionNode.fileRevision, copiedFrom.getPath()); // "B", B(0) |
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896 } |
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897 } |
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898 } |
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899 |
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900 public void reportRenames(HgFileRenameHandlerMixin renameHandler) throws HgCallbackTargetException { |
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901 if (renameHandler != null) { // shall report renames |
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902 assert copiedFrom != null; |
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903 assert copiedTo != null; |
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904 renameHandler.copy(copiedFrom, copiedTo); |
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905 } |
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906 } |
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907 |
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908 public void clearJunctionPoint() { |
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909 junctionNode = null; |
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910 copiedFrom = copiedTo = null; |
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911 } |
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912 |
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913 /** |
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914 * Replace mock src/dest HistoryNode connected to junctionNode with a real one |
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915 */ |
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916 public void connectWithLastJunctionPoint(Pair<HgDataFile, Nodeid> curRename, Pair<HgDataFile, Nodeid> prevRename) { |
516
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917 assert junctionNode != null; |
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918 // A renamed to B. A(0..k..n) -> B(0..m). If followAncestry: k == n |
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919 if (iterateDirection == HgIterateDirection.OldToNew) { |
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920 // forward, from old to new: |
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921 // changeHistory points to B |
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922 // Already reported: A(0)..A(n), A(k) is in junctionNode |
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923 // Shall connect histories: A(k).bind(B(0)) |
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924 HistoryNode junctionDest = changeHistory.get(0); // B(0) |
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925 // junctionNode is A(k) |
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926 junctionNode.bindChild(junctionDest); |
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927 } else { |
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928 assert iterateDirection == HgIterateDirection.NewToOld; |
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929 // changeHistory points to A |
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930 // Already reported B(m), B(m-1)...B(0), B(0) is in junctionNode |
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931 // Shall connect histories A(k).bind(B(0)) |
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932 // if followAncestry: A(k) is latest in changeHistory (k == n) |
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933 HistoryNode junctionSrc = findJunctionPointInCurrentChunk(curRename.second()); // A(k) |
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934 junctionSrc.bindChild(junctionNode); |
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935 } |
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936 } |
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937 |
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938 private HistoryNode findJunctionPointInCurrentChunk(Nodeid fileRevision) { |
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939 if (followAncestry) { |
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940 // use the fact we don't go past junction point when followAncestry == true |
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941 HistoryNode rv = changeHistory.get(changeHistory.size() - 1); |
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942 assert rv.fileRevision.equals(fileRevision); |
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943 return rv; |
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944 } |
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945 for (HistoryNode n : changeHistory) { |
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946 if (n.fileRevision.equals(fileRevision)) { |
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947 return n; |
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948 } |
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949 } |
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950 int csetStart = changeHistory.get(0).changeset; |
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951 int csetEnd = changeHistory.get(changeHistory.size() - 1).changeset; |
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952 throw new HgInvalidStateException(String.format("For change history (cset[%d..%d]) could not find node for file change %s", csetStart, csetEnd, fileRevision.shortNotation())); |
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953 } |
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954 |
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955 protected abstract void once(HistoryNode n) throws HgCallbackTargetException, CancelledException; |
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956 |
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957 public void dispatchAllChanges() throws HgCallbackTargetException, CancelledException { |
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958 // XXX shall sort changeHistory according to changeset numbers? |
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959 Iterator<HistoryNode> it; |
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960 if (iterateDirection == HgIterateDirection.OldToNew) { |
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961 it = changeHistory.listIterator(); |
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962 } else { |
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963 assert iterateDirection == HgIterateDirection.NewToOld; |
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964 it = new ReverseIterator<HistoryNode>(changeHistory); |
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965 } |
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966 while(it.hasNext()) { |
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967 HistoryNode n = it.next(); |
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968 once(n); |
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969 progress.worked(1); |
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970 } |
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971 changeHistory = null; |
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972 } |
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973 |
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974 public void switchTo(HgDataFile df) { |
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975 // from now on, use df in TreeElement |
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976 currentFileNode = df; |
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977 } |
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978 } |
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979 |
507
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980 |
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981 // |
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982 |
520
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983 private class FilteringInspector extends AdapterPlug implements HgChangelog.Inspector, Adaptable { |
518
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984 |
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985 private int firstCset = BAD_REVISION, lastCset = BAD_REVISION; |
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986 private HgChangelog.Inspector delegate; |
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987 // we use lifecycle to stop when limit is reached. |
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988 // delegate, however, may use lifecycle, too, so give it a chance |
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989 private LifecycleProxy lifecycleProxy; |
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990 |
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991 // limit to changesets in this range only |
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992 public void changesets(int start, int end) { |
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993 firstCset = start; |
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994 lastCset = end; |
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995 } |
520
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996 |
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997 public void delegateTo(HgChangelog.Inspector inspector) { |
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998 delegate = inspector; |
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999 // let delegate control life cycle, too |
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1000 if (lifecycleProxy == null) { |
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1001 super.attachAdapter(Lifecycle.class, lifecycleProxy = new LifecycleProxy(inspector)); |
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1002 } else { |
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1003 lifecycleProxy.init(inspector); |
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1004 } |
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1005 } |
518
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1006 |
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1007 public void next(int revisionNumber, Nodeid nodeid, RawChangeset cset) { |
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1008 if (limit > 0 && count >= limit) { |
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1009 return; |
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1010 } |
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1011 // XXX may benefit from optional interface with #isInterested(int csetRev) - to avoid |
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1012 // RawChangeset instantiation |
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1013 if (firstCset != BAD_REVISION && revisionNumber < firstCset) { |
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|
1014 return; |
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1015 } |
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1016 if (lastCset != BAD_REVISION && revisionNumber > lastCset) { |
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|
1017 return; |
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1018 } |
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1019 if (branches != null && !branches.contains(cset.branch())) { |
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|
1020 return; |
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1021 } |
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1022 if (users != null) { |
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1023 String csetUser = cset.user().toLowerCase(); |
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1024 boolean found = false; |
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1025 for (String u : users) { |
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1026 if (csetUser.indexOf(u) != -1) { |
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1027 found = true; |
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|
1028 break; |
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1029 } |
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1030 } |
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1031 if (!found) { |
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1032 return; |
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1033 } |
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1034 } |
518
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|
1035 if (date != null) { |
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1036 // TODO post-1.0 implement date support for log |
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1037 } |
520
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1038 delegate.next(revisionNumber, nodeid, cset); |
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1039 count++; |
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1040 if (limit > 0 && count >= limit) { |
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1041 lifecycleProxy.stop(); |
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1042 } |
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1043 } |
520
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|
1044 } |
518
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1045 |
432
1fc0da631200
Revlog.ParentWalker helper class got promoted as TLC, renamed to HgParentChildMap
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diff
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|
1046 private HgParentChildMap<HgChangelog> getParentHelper(boolean create) throws HgInvalidControlFileException { |
328
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|
1047 if (parentHelper == null && create) { |
432
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Revlog.ParentWalker helper class got promoted as TLC, renamed to HgParentChildMap
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changeset
|
1048 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
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|
1049 parentHelper.init(); |
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1050 } |
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|
1051 return parentHelper; |
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1052 } |
520
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|
1053 |
205
ffc5f6d59f7e
HgLogCommand.Handler is used in few places, pull up to top-level class, HgChangesetHandler
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diff
changeset
|
1054 public static class CollectHandler implements HgChangesetHandler { |
129
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core.Cset renamed to HgChangeset; repo.Changeset moved into HgChangelog
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changeset
|
1055 private final List<HgChangeset> result = new LinkedList<HgChangeset>(); |
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1056 |
129
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|
1057 public List<HgChangeset> getChanges() { |
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|
1058 return Collections.unmodifiableList(result); |
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1059 } |
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|
1060 |
427
31a89587eb04
FIXMEs: consistent names, throws for commands and their handlers. Use of checked exceptions in hi-level api
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424
diff
changeset
|
1061 public void cset(HgChangeset changeset) { |
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|
1062 result.add(changeset.clone()); |
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1063 } |
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|
1064 } |
328
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1065 |
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|
1066 private static class HistoryNode { |
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1067 final int changeset; |
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1068 final Nodeid fileRevision; |
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1069 HistoryNode parent1; // there's special case when we can alter it, see #bindChild() |
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1070 final HistoryNode parent2; |
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1071 List<HistoryNode> children; |
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1072 |
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1073 HistoryNode(int cs, Nodeid revision, HistoryNode p1, HistoryNode p2) { |
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1074 changeset = cs; |
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1075 fileRevision = revision; |
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1076 parent1 = p1; |
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1077 parent2 = p2; |
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1078 if (p1 != null) { |
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1079 p1.addChild(this); |
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1080 } |
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1081 if (p2 != null) { |
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1082 p2.addChild(this); |
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1083 } |
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1084 } |
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1085 |
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1086 private void addChild(HistoryNode child) { |
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1087 if (children == null) { |
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1088 children = new ArrayList<HistoryNode>(2); |
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1089 } |
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1090 children.add(child); |
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1091 } |
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1092 |
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1093 /** |
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1094 * method to merge two history chunks for renamed file so that |
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1095 * this node's history continues (or forks, if we don't followAncestry) |
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1096 * with that of child |
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1097 * @param child |
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1098 */ |
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1099 public void bindChild(HistoryNode child) { |
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1100 assert child.parent1 == null && child.parent2 == null; |
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1101 child.parent1 = this; |
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1102 addChild(child); |
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1103 } |
511
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1104 |
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1105 public String toString() { |
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1106 return String.format("<cset:%d, parents: %s, %s>", changeset, parent1 == null ? "-" : String.valueOf(parent1.changeset), parent2 == null ? "-" : String.valueOf(parent2.changeset)); |
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1107 } |
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1108 } |
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1109 |
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1110 private class ElementImpl implements HgChangesetTreeHandler.TreeElement, HgChangelog.Inspector { |
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1111 private HistoryNode historyNode; |
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1112 private HgDataFile fileNode; |
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1113 private Pair<HgChangeset, HgChangeset> parents; |
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1114 private List<HgChangeset> children; |
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1115 private IntMap<HgChangeset> cachedChangesets; |
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1116 private ChangesetTransformer.Transformation transform; |
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1117 private Nodeid changesetRevision; |
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1118 private Pair<Nodeid,Nodeid> parentRevisions; |
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1119 private List<Nodeid> childRevisions; |
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1120 |
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1121 public ElementImpl(int total) { |
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1122 cachedChangesets = new IntMap<HgChangeset>(total); |
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1123 } |
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1124 |
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1125 ElementImpl init(HistoryNode n, HgDataFile df) { |
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1126 historyNode = n; |
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1127 fileNode = df; |
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1128 parents = null; |
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1129 children = null; |
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1130 changesetRevision = null; |
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1131 parentRevisions = null; |
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1132 childRevisions = null; |
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1133 return this; |
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1134 } |
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1135 |
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1136 public Nodeid fileRevision() { |
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1137 return historyNode.fileRevision; |
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1138 } |
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1139 |
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1140 public HgDataFile file() { |
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1141 return fileNode; |
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1142 } |
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1143 |
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1144 public HgChangeset changeset() { |
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1145 return get(historyNode.changeset)[0]; |
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1146 } |
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1147 |
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1148 public Pair<HgChangeset, HgChangeset> parents() { |
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1149 if (parents != null) { |
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1150 return parents; |
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1151 } |
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1152 HistoryNode p; |
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1153 final int p1, p2; |
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1154 if ((p = historyNode.parent1) != null) { |
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1155 p1 = p.changeset; |
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1156 } else { |
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1157 p1 = -1; |
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1158 } |
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1159 if ((p = historyNode.parent2) != null) { |
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1160 p2 = p.changeset; |
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1161 } else { |
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1162 p2 = -1; |
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1163 } |
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1164 HgChangeset[] r = get(p1, p2); |
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1165 return parents = new Pair<HgChangeset, HgChangeset>(r[0], r[1]); |
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1166 } |
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1167 |
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1168 public Collection<HgChangeset> children() { |
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1169 if (children != null) { |
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1170 return children; |
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1171 } |
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1172 if (historyNode.children == null) { |
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1173 children = Collections.emptyList(); |
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1174 } else { |
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1175 int[] childrentChangesetNumbers = new int[historyNode.children.size()]; |
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1176 int j = 0; |
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1177 for (HistoryNode hn : historyNode.children) { |
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1178 childrentChangesetNumbers[j++] = hn.changeset; |
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1179 } |
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1180 children = Arrays.asList(get(childrentChangesetNumbers)); |
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1181 } |
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1182 return children; |
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1183 } |
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1184 |
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1185 void populate(HgChangeset cs) { |
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1186 cachedChangesets.put(cs.getRevisionIndex(), cs); |
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1187 } |
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1188 |
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1189 private HgChangeset[] get(int... changelogRevisionIndex) { |
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1190 HgChangeset[] rv = new HgChangeset[changelogRevisionIndex.length]; |
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1191 IntVector misses = new IntVector(changelogRevisionIndex.length, -1); |
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1192 for (int i = 0; i < changelogRevisionIndex.length; i++) { |
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1193 if (changelogRevisionIndex[i] == -1) { |
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1194 rv[i] = null; |
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1195 continue; |
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1196 } |
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1197 HgChangeset cached = cachedChangesets.get(changelogRevisionIndex[i]); |
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1198 if (cached != null) { |
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1199 rv[i] = cached; |
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1200 } else { |
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1201 misses.add(changelogRevisionIndex[i]); |
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1202 } |
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1203 } |
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1204 if (misses.size() > 0) { |
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1205 final int[] changesets2read = misses.toArray(); |
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1206 initTransform(); |
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1207 repo.getChangelog().range(this, changesets2read); |
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1208 for (int changeset2read : changesets2read) { |
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1209 HgChangeset cs = cachedChangesets.get(changeset2read); |
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1210 if (cs == null) { |
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1211 HgInvalidStateException t = new HgInvalidStateException(String.format("Can't get changeset for revision %d", changeset2read)); |
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1212 throw t.setRevisionIndex(changeset2read); |
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1213 } |
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1214 // HgChangelog.range may reorder changesets according to their order in the changelog |
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1215 // thus need to find original index |
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1216 boolean sanity = false; |
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1217 for (int i = 0; i < changelogRevisionIndex.length; i++) { |
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1218 if (changelogRevisionIndex[i] == cs.getRevisionIndex()) { |
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1219 rv[i] = cs; |
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1220 sanity = true; |
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1221 break; |
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1222 } |
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1223 } |
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1224 if (!sanity) { |
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1225 repo.getSessionContext().getLog().dump(getClass(), Error, "Index of revision %d:%s doesn't match any of requested", cs.getRevisionIndex(), cs.getNodeid().shortNotation()); |
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1226 } |
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1227 assert sanity; |
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1228 } |
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1229 } |
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1230 return rv; |
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1231 } |
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1232 |
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1233 // init only when needed |
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1234 void initTransform() throws HgRuntimeException { |
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1235 if (transform == null) { |
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1236 transform = new ChangesetTransformer.Transformation(new HgStatusCollector(repo)/*XXX try to reuse from context?*/, getParentHelper(false)); |
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1237 } |
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1238 } |
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1239 |
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1240 public void next(int revisionNumber, Nodeid nodeid, RawChangeset cset) { |
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1241 HgChangeset cs = transform.handle(revisionNumber, nodeid, cset); |
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1242 populate(cs.clone()); |
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1243 } |
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1244 |
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1245 public Nodeid changesetRevision() { |
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1246 if (changesetRevision == null) { |
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1247 changesetRevision = getRevision(historyNode.changeset); |
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1248 } |
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1249 return changesetRevision; |
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1250 } |
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1251 |
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1252 public Pair<Nodeid, Nodeid> parentRevisions() { |
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1253 if (parentRevisions == null) { |
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1254 HistoryNode p; |
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1255 final Nodeid p1, p2; |
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1256 if ((p = historyNode.parent1) != null) { |
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1257 p1 = getRevision(p.changeset); |
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1258 } else { |
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1259 p1 = Nodeid.NULL;; |
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1260 } |
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1261 if ((p = historyNode.parent2) != null) { |
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1262 p2 = getRevision(p.changeset); |
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1263 } else { |
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1264 p2 = Nodeid.NULL; |
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1265 } |
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1266 parentRevisions = new Pair<Nodeid, Nodeid>(p1, p2); |
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1267 } |
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1268 return parentRevisions; |
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1269 } |
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1270 |
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1271 public Collection<Nodeid> childRevisions() { |
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1272 if (childRevisions != null) { |
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1273 return childRevisions; |
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1274 } |
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1275 if (historyNode.children == null) { |
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1276 childRevisions = Collections.emptyList(); |
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1277 } else { |
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1278 ArrayList<Nodeid> rv = new ArrayList<Nodeid>(historyNode.children.size()); |
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1279 for (HistoryNode hn : historyNode.children) { |
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1280 rv.add(getRevision(hn.changeset)); |
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1281 } |
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1282 childRevisions = Collections.unmodifiableList(rv); |
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1283 } |
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1284 return childRevisions; |
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1285 } |
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1286 |
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1287 // reading nodeid involves reading index only, guess, can afford not to optimize multiple reads |
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1288 private Nodeid getRevision(int changelogRevisionNumber) { |
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|
1289 // TODO post-1.0 pipe through pool |
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1290 HgChangeset cs = cachedChangesets.get(changelogRevisionNumber); |
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1291 if (cs != null) { |
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1292 return cs.getNodeid(); |
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1293 } else { |
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FIXMEs: work on exceptions and javadoc
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1294 return repo.getChangelog().getRevision(changelogRevisionNumber); |
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1295 } |
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1296 } |
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1297 } |
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Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
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1298 } |