annotate src/org/tmatesoft/hg/core/HgLogCommand.java @ 516:0ae5768081aa

Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Tue, 18 Dec 2012 18:57:03 +0100
parents e6c8b9b654b2
children 9922d1f7cb2a
rev   line source
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1 /*
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2 s * Copyright (c) 2011-2012 TMate Software Ltd
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3 *
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4 * This program is free software; you can redistribute it and/or modify
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5 * it under the terms of the GNU General Public License as published by
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6 * the Free Software Foundation; version 2 of the License.
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7 *
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8 * This program is distributed in the hope that it will be useful,
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9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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11 * GNU General Public License for more details.
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12 *
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13 * For information on how to redistribute this software under
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14 * the terms of a license other than GNU General Public License
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15 * contact TMate Software at support@hg4j.com
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16 */
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17 package org.tmatesoft.hg.core;
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19 import static org.tmatesoft.hg.repo.HgRepository.TIP;
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20 import static org.tmatesoft.hg.util.LogFacility.Severity.Error;
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21
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22 import java.util.ArrayList;
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23 import java.util.Arrays;
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24 import java.util.Calendar;
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25 import java.util.Collection;
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26 import java.util.Collections;
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27 import java.util.Comparator;
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28 import java.util.ConcurrentModificationException;
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29 import java.util.Iterator;
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30 import java.util.LinkedList;
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31 import java.util.List;
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32 import java.util.ListIterator;
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33 import java.util.Set;
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34 import java.util.TreeSet;
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36 import org.tmatesoft.hg.internal.IntMap;
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37 import org.tmatesoft.hg.internal.IntVector;
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38 import org.tmatesoft.hg.repo.HgChangelog;
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39 import org.tmatesoft.hg.repo.HgChangelog.RawChangeset;
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40 import org.tmatesoft.hg.repo.HgDataFile;
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41 import org.tmatesoft.hg.repo.HgInvalidControlFileException;
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42 import org.tmatesoft.hg.repo.HgInvalidRevisionException;
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43 import org.tmatesoft.hg.repo.HgInvalidStateException;
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44 import org.tmatesoft.hg.repo.HgParentChildMap;
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45 import org.tmatesoft.hg.repo.HgRepository;
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46 import org.tmatesoft.hg.repo.HgRuntimeException;
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47 import org.tmatesoft.hg.repo.HgStatusCollector;
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48 import org.tmatesoft.hg.util.Adaptable;
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49 import org.tmatesoft.hg.util.CancelSupport;
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50 import org.tmatesoft.hg.util.CancelledException;
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51 import org.tmatesoft.hg.util.Pair;
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52 import org.tmatesoft.hg.util.Path;
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53 import org.tmatesoft.hg.util.ProgressSupport;
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56 /**
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57 * Access to changelog, 'hg log' command counterpart.
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58 *
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59 * <pre>
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60 * Usage:
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61 * new LogCommand().limit(20).branch("maintenance-2.1").user("me").execute(new MyHandler());
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62 * </pre>
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63 * Not thread-safe (each thread has to use own {@link HgLogCommand} instance).
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64 *
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65 * @author Artem Tikhomirov
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66 * @author TMate Software Ltd.
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67 */
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68 public class HgLogCommand extends HgAbstractCommand<HgLogCommand> implements HgChangelog.Inspector {
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70 private final HgRepository repo;
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71 private Set<String> users;
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72 private Set<String> branches;
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73 private int limit = 0, count = 0;
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74 private int startRev = 0, endRev = TIP;
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75 private Calendar date;
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76 private Path file;
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77 /*
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78 * Whether to iterate file origins, if any.
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79 * Makes sense only when file != null
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80 */
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81 private boolean followRenames;
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82 /*
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83 * Whether to track history of the selected file version (based on file revision
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84 * in working dir parent), follow ancestors only.
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85 * Note, 'hg log --follow' combines both #followHistory and #followAncestry
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86 */
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87 private boolean followAncestry;
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88 private ChangesetTransformer csetTransform;
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89 private HgParentChildMap<HgChangelog> parentHelper;
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90
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91 public HgLogCommand(HgRepository hgRepo) {
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92 repo = hgRepo;
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93 }
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95 /**
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96 * Limit search to specified user. Multiple user names may be specified. Once set, user names can't be
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97 * cleared, use new command instance in such cases.
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98 * @param user - full or partial name of the user, case-insensitive, non-null.
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99 * @return <code>this</code> instance for convenience
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100 * @throws IllegalArgumentException when argument is null
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101 */
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102 public HgLogCommand user(String user) {
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103 if (user == null) {
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104 throw new IllegalArgumentException();
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105 }
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106 if (users == null) {
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107 users = new TreeSet<String>();
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108 }
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109 users.add(user.toLowerCase());
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110 return this;
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111 }
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113 /**
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114 * Limit search to specified branch. Multiple branch specification possible (changeset from any of these
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115 * would be included in result). If unspecified, all branches are considered. There's no way to clean branch selection
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116 * once set, create fresh new command instead.
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117 * @param branch - branch name, case-sensitive, non-null.
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118 * @return <code>this</code> instance for convenience
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119 * @throws IllegalArgumentException when branch argument is null
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120 */
131
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121 public HgLogCommand branch(String branch) {
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122 if (branch == null) {
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123 throw new IllegalArgumentException();
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124 }
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125 if (branches == null) {
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126 branches = new TreeSet<String>();
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127 }
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128 branches.add(branch);
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129 return this;
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130 }
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131
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132 // limit search to specific date
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133 // multiple?
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134 public HgLogCommand date(Calendar date) {
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135 this.date = date;
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136 // TODO post-1.0 implement
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137 // isSet(field) - false => don't use in detection of 'same date'
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138 throw HgRepository.notImplemented();
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139 }
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140
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141 /**
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142 *
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143 * @param num - number of changeset to produce. Pass 0 to clear the limit.
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144 * @return <code>this</code> instance for convenience
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145 */
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146 public HgLogCommand limit(int num) {
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147 limit = num;
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148 return this;
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149 }
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150
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151 /**
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152 * Limit to specified subset of Changelog, [min(rev1,rev2), max(rev1,rev2)], inclusive.
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153 * Revision may be specified with {@link HgRepository#TIP}
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154 *
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155 * @param rev1 - local index of start changeset revision
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156 * @param rev2 - index of end changeset revision
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157 * @return <code>this</code> instance for convenience
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158 */
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159 public HgLogCommand range(int rev1, int rev2) {
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160 if (rev1 != TIP && rev2 != TIP) {
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161 startRev = rev2 < rev1 ? rev2 : rev1;
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162 endRev = startRev == rev2 ? rev1 : rev2;
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163 } else if (rev1 == TIP && rev2 != TIP) {
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164 startRev = rev2;
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165 endRev = rev1;
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166 } else {
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167 startRev = rev1;
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168 endRev = rev2;
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169 }
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170 return this;
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171 }
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172
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173 /**
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174 * Select specific changeset
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175 *
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176 * @param nid changeset revision
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177 * @return <code>this</code> for convenience
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178 * @throws HgBadArgumentException if failed to find supplied changeset revision
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179 */
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180 public HgLogCommand changeset(Nodeid nid) throws HgBadArgumentException {
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181 // XXX perhaps, shall support multiple (...) arguments and extend #execute to handle not only range, but also set of revisions.
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182 try {
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183 final int csetRevIndex = repo.getChangelog().getRevisionIndex(nid);
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184 return range(csetRevIndex, csetRevIndex);
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185 } catch (HgInvalidRevisionException ex) {
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186 throw new HgBadArgumentException("Can't find revision", ex).setRevision(nid);
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187 }
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188 }
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189
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190 /**
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191 * 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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192 * follow file ancestry, but reports complete file history (with <code>followCopyRenames == true</code>, for each
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193 * 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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194 * {@link #file(Path, boolean, boolean) file(filePath, true, true)} alternative.
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195 *
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196 * @param filePath path relative to repository root. Pass <code>null</code> to reset.
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197 * @param followCopyRename true to report changesets of the original file(-s), if copy/rename ever occured to the file.
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198 * @return <code>this</code> for convenience
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199 */
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200 public HgLogCommand file(Path filePath, boolean followCopyRename) {
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201 return file(filePath, followCopyRename, false);
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202 }
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203
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204 /**
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205 * Full control over file history iteration.
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206 *
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207 * @param filePath path relative to repository root. Pass <code>null</code> to reset.
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208 * @param followCopyRename true to report changesets of the original file(-s), if copy/rename ever occured to the file.
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209 * @param followFileAncestry true to follow file history starting from revision at working copy parent. Note, only revisions
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210 * 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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211 * behaves, with the difference that this method allows separate control whether to follow renames or not.
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212 *
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213 * @return <code>this</code> for convenience
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214 */
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215 public HgLogCommand file(Path filePath, boolean followCopyRename, boolean followFileAncestry) {
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216 file = filePath;
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217 followRenames = followCopyRename;
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218 followAncestry = followFileAncestry;
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219 return this;
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220 }
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221
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222 /**
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223 * Handy analog to {@link #file(Path, boolean)} when clients' paths come from filesystem and need conversion to repository's
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224 * @return <code>this</code> for convenience
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225 */
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226 public HgLogCommand file(String file, boolean followCopyRename) {
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227 return file(Path.create(repo.getToRepoPathHelper().rewrite(file)), followCopyRename);
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228 }
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229
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230 /**
516
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231 * Handy analog to {@link #file(Path, boolean, boolean)} when clients' paths come from filesystem and need conversion to repository's
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232 * @return <code>this</code> for convenience
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233 */
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234 public HgLogCommand file(String file, boolean followCopyRename, boolean followFileAncestry) {
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235 return file(Path.create(repo.getToRepoPathHelper().rewrite(file)), followCopyRename, followFileAncestry);
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236 }
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237
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238 /**
419
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239 * Similar to {@link #execute(HgChangesetHandler)}, collects and return result as a list.
427
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240 *
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241 * @see #execute(HgChangesetHandler)
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242 * @throws HgException subclass thereof to indicate specific issue with the command arguments or repository state
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243 */
396
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244 public List<HgChangeset> execute() throws HgException {
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245 CollectHandler collector = new CollectHandler();
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246 try {
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247 execute(collector);
423
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248 } catch (HgCallbackTargetException ex) {
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249 // see below for CanceledException
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250 HgInvalidStateException t = new HgInvalidStateException("Internal error");
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251 t.initCause(ex);
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252 throw t;
396
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253 } catch (CancelledException ex) {
215
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254 // can't happen as long as our CollectHandler doesn't throw any exception
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255 HgInvalidStateException t = new HgInvalidStateException("Internal error");
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256 t.initCause(ex);
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257 throw t;
215
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258 }
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259 return collector.getChanges();
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260 }
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261
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262 /**
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263 * Iterate over range of changesets configured in the command.
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264 *
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265 * @param handler callback to process changesets.
427
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266 * @throws HgCallbackTargetException propagated exception from the handler
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267 * @throws HgException subclass thereof to indicate specific issue with the command arguments or repository state
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268 * @throws CancelledException if execution of the command was cancelled
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269 * @throws IllegalArgumentException when inspector argument is null
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270 * @throws ConcurrentModificationException if this log command instance is already running
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271 */
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272 public void execute(HgChangesetHandler handler) throws HgCallbackTargetException, HgException, CancelledException {
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273 if (handler == null) {
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274 throw new IllegalArgumentException();
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275 }
193
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276 if (csetTransform != null) {
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277 throw new ConcurrentModificationException();
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278 }
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279 final ProgressSupport progressHelper = getProgressSupport(handler);
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280 try {
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281 count = 0;
432
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282 HgParentChildMap<HgChangelog> pw = getParentHelper(file == null); // leave it uninitialized unless we iterate whole repo
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283 // ChangesetTransfrom creates a blank PathPool, and #file(String, boolean) above
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284 // may utilize it as well. CommandContext? How about StatusCollector there as well?
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285 csetTransform = new ChangesetTransformer(repo, handler, pw, progressHelper, getCancelSupport(handler, true));
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286 if (file == null) {
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287 progressHelper.start(endRev - startRev + 1);
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288 repo.getChangelog().range(startRev, endRev, this);
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289 csetTransform.checkFailure();
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290 } else {
215
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291 progressHelper.start(-1/*XXX enum const, or a dedicated method startUnspecified(). How about startAtLeast(int)?*/);
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292 HgDataFile fileNode = repo.getFileNode(file);
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293 if (!fileNode.exists()) {
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294 throw new HgPathNotFoundException(String.format("File %s not found in the repository", file), file);
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295 }
509
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296 // FIXME startRev and endRev ARE CHANGESET REVISIONS, not that of FILE!!!
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297 fileNode.history(startRev, endRev, this);
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298 csetTransform.checkFailure();
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299 final HgFileRenameHandlerMixin withCopyHandler = Adaptable.Factory.getAdapter(handler, HgFileRenameHandlerMixin.class, null);
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300 if (fileNode.isCopy()) {
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301 // even if we do not follow history, report file rename
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302 do {
514
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303 if (withCopyHandler != null) {
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304 HgFileRevision src = new HgFileRevision(repo, fileNode.getCopySourceRevision(), null, fileNode.getCopySourceName());
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305 HgFileRevision dst = new HgFileRevision(repo, fileNode.getRevision(0), null, fileNode.getPath(), src.getPath());
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306 withCopyHandler.copy(src, dst);
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307 }
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308 if (limit > 0 && count >= limit) {
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309 // if limit reach, follow is useless.
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310 break;
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311 }
514
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312 if (followRenames) {
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313 fileNode = repo.getFileNode(fileNode.getCopySourceName());
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314 fileNode.history(this);
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315 csetTransform.checkFailure();
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316 }
514
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317 } while (followRenames && fileNode.isCopy());
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318 }
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319 }
427
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320 } catch (HgRuntimeException ex) {
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321 throw new HgLibraryFailureException(ex);
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322 } finally {
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323 csetTransform = null;
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324 progressHelper.done();
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325 }
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326 }
328
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327
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328 /**
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329 * Tree-wise iteration of a file history, with handy access to parent-child relations between changesets.
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330 * When file history is being followed, handler may additionally implement {@link HgFileRenameHandlerMixin}
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331 * to get notified about switching between history chunks that belong to different names.
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332 *
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333 * @param handler callback to process changesets.
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334 * @see HgFileRenameHandlerMixin
427
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335 * @throws HgCallbackTargetException propagated exception from the handler
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336 * @throws HgException subclass thereof to indicate specific issue with the command arguments or repository state
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337 * @throws CancelledException if execution of the command was cancelled
402
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338 * @throws IllegalArgumentException if command is not satisfied with its arguments
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339 * @throws ConcurrentModificationException if this log command instance is already running
370
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340 */
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341 public void execute(final HgChangesetTreeHandler handler) throws HgCallbackTargetException, HgException, CancelledException {
328
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342 if (handler == null) {
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343 throw new IllegalArgumentException();
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344 }
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345 if (csetTransform != null) {
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346 throw new ConcurrentModificationException();
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347 }
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348 if (file == null) {
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349 throw new IllegalArgumentException("History tree is supported for files only (at least now), please specify file");
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350 }
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351 final ProgressSupport progressHelper = getProgressSupport(handler);
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352 final CancelSupport cancelHelper = getCancelSupport(handler, true);
514
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353 final HgFileRenameHandlerMixin renameHandler = Adaptable.Factory.getAdapter(handler, HgFileRenameHandlerMixin.class, null);
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354
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355
516
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356 final HandlerDispatcher dispatcher = new HandlerDispatcher() {
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357
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358 @Override
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359 protected void once(HistoryNode n) throws HgCallbackTargetException, CancelledException {
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360 handler.treeElement(ei.init(n, currentFileNode));
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361 cancelHelper.checkCancelled();
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362 }
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363 };
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364
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365 // renamed files in the queue are placed with respect to #iterateDirection
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366 // i.e. if we iterate from new to old, recent filenames come first
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367 List<Pair<HgDataFile, Nodeid>> fileRenamesQueue = buildFileRenamesQueue();
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368 progressHelper.start(4 * fileRenamesQueue.size());
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369 for (int namesIndex = 0, renamesQueueSize = fileRenamesQueue.size(); namesIndex < renamesQueueSize; namesIndex++) {
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370
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371 final Pair<HgDataFile, Nodeid> renameInfo = fileRenamesQueue.get(namesIndex);
516
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372 dispatcher.prepare(progressHelper, renameInfo);
423
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373 cancelHelper.checkCancelled();
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374 if (namesIndex > 0) {
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375 dispatcher.connectWithLastJunctionPoint(renameInfo, fileRenamesQueue.get(namesIndex - 1), renameHandler);
509
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376 }
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377 if (namesIndex + 1 < renamesQueueSize) {
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378 // there's at least one more name we are going to look at
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379 dispatcher.updateJunctionPoint(renameInfo, fileRenamesQueue.get(namesIndex+1));
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380 } else {
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381 dispatcher.clearJunctionPoint();
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382 }
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383 dispatcher.dispatchAllChanges();
514
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384 } // for fileRenamesQueue;
328
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385 progressHelper.done();
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386 }
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387
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388 private IterateDirection iterateDirection = IterateDirection.FromOldToNew;
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389
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390 private static class ReverseIterator<E> implements Iterator<E> {
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391 private final ListIterator<E> listIterator;
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392
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393 public ReverseIterator(List<E> list) {
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394 listIterator = list.listIterator(list.size());
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395 }
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396
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397 public boolean hasNext() {
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398 return listIterator.hasPrevious();
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399 }
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400 public E next() {
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401 return listIterator.previous();
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402 }
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403 public void remove() {
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404 listIterator.remove();
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405 }
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406 }
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407
507
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408 /**
508
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409 * Follows file renames and build a list of all corresponding file nodes and revisions they were
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410 * copied/renamed/branched at (IOW, their latest revision to look at).
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411 *
514
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412 * If {@link #followRenames} is <code>false</code>, the list contains one element only,
508
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413 * file node with the name of the file as it was specified by the user.
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414 *
514
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415 * For the most recent file revision depends on {@link #followAncestry}, and is file revision from working copy parent
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416 * in it's true. <code>null</code> indicates file's TIP revision shall be used.
508
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417 *
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418 * TODO may use HgFileRevision (after some refactoring to accept HgDataFile and Nodeid) instead of Pair
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419 * and possibly reuse this functionality
507
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420 *
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421 * @return list of file renames, ordered with respect to {@link #iterateDirection}
507
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422 */
514
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423 private List<Pair<HgDataFile, Nodeid>> buildFileRenamesQueue() {
508
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424 LinkedList<Pair<HgDataFile, Nodeid>> rv = new LinkedList<Pair<HgDataFile, Nodeid>>();
514
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425 Nodeid startRev = null;
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426 HgDataFile fileNode = repo.getFileNode(file);
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427 if (followAncestry) {
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428 // TODO subject to dedicated method either in HgRepository (getWorkingCopyParentRevisionIndex)
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429 // or in the HgDataFile (getWorkingCopyOriginRevision)
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430 Nodeid wdParentChangeset = repo.getWorkingCopyParents().first();
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431 if (!wdParentChangeset.isNull()) {
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432 int wdParentRevIndex = repo.getChangelog().getRevisionIndex(wdParentChangeset);
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433 startRev = repo.getManifest().getFileRevision(wdParentRevIndex, fileNode.getPath());
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434 }
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435 // else fall-through, assume null (eventually, lastRevision()) is ok here
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436 }
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437 rv.add(new Pair<HgDataFile, Nodeid>(fileNode, startRev));
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438 if (!followRenames) {
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439 return rv;
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440 }
514
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441 while (fileNode.isCopy()) {
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442 Path fp = fileNode.getCopySourceName();
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443 Nodeid copyRev = fileNode.getCopySourceRevision();
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444 fileNode = repo.getFileNode(fp);
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445 Pair<HgDataFile, Nodeid> p = new Pair<HgDataFile, Nodeid>(fileNode, copyRev);
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446 if (iterateDirection == IterateDirection.FromOldToNew) {
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parents: 509
diff changeset
447 rv.addFirst(p);
90093ee56c0d Full-fledged test repo to follow file history. Investigating iteration direction alternatives (from new to old in addition to existing old to new)
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parents: 509
diff changeset
448 } else {
90093ee56c0d Full-fledged test repo to follow file history. Investigating iteration direction alternatives (from new to old in addition to existing old to new)
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parents: 509
diff changeset
449 assert iterateDirection == IterateDirection.FromNewToOld;
90093ee56c0d Full-fledged test repo to follow file history. Investigating iteration direction alternatives (from new to old in addition to existing old to new)
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parents: 509
diff changeset
450 rv.addLast(p);
90093ee56c0d Full-fledged test repo to follow file history. Investigating iteration direction alternatives (from new to old in addition to existing old to new)
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parents: 509
diff changeset
451 }
514
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parents: 511
diff changeset
452 };
507
a6435c1a42d0 Test for HgChangesetTreeHandler - make sure nothing is broken prior to adding --follow support
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
453 return rv;
a6435c1a42d0 Test for HgChangesetTreeHandler - make sure nothing is broken prior to adding --follow support
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
454 }
508
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
455
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diff changeset
456 private static class TreeBuildInspector implements HgChangelog.ParentInspector, HgChangelog.RevisionInspector {
ca5202afea90 Support follow history option when walking file history tree
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diff changeset
457 private final boolean followAncestry;
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diff changeset
458
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diff changeset
459 private HistoryNode[] completeHistory;
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diff changeset
460 private int[] commitRevisions;
509
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diff changeset
461 private List<HistoryNode> resultHistory;
508
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462
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diff changeset
463 TreeBuildInspector(boolean _followAncestry) {
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diff changeset
464 followAncestry = _followAncestry;
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diff changeset
465 }
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diff changeset
466
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diff changeset
467 public void next(int revisionNumber, Nodeid revision, int linkedRevision) {
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diff changeset
468 commitRevisions[revisionNumber] = linkedRevision;
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diff changeset
469 }
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diff changeset
470
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diff changeset
471 public void next(int revisionNumber, Nodeid revision, int parent1, int parent2, Nodeid nidParent1, Nodeid nidParent2) {
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
472 HistoryNode p1 = null, p2 = null;
516
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parents: 515
diff changeset
473 // IMPORTANT: method #one(), below, doesn't expect this code expects reasonable values at parent indexes
508
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diff changeset
474 if (parent1 != -1) {
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diff changeset
475 p1 = completeHistory[parent1];
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diff changeset
476 }
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parents: 507
diff changeset
477 if (parent2!= -1) {
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diff changeset
478 p2 = completeHistory[parent2];
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diff changeset
479 }
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diff changeset
480 completeHistory[revisionNumber] = new HistoryNode(commitRevisions[revisionNumber], revision, p1, p2);
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diff changeset
481 }
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diff changeset
482
516
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
483 HistoryNode one(HgDataFile fileNode, Nodeid fileRevision) throws HgInvalidControlFileException {
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
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parents: 515
diff changeset
484 int fileRevIndexToVisit = fileNode.getRevisionIndex(fileRevision);
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parents: 515
diff changeset
485 return one(fileNode, fileRevIndexToVisit);
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
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parents: 515
diff changeset
486 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
487
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
488 HistoryNode one(HgDataFile fileNode, int fileRevIndexToVisit) throws HgInvalidControlFileException {
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
489 resultHistory = null;
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
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parents: 515
diff changeset
490 if (fileRevIndexToVisit == HgRepository.TIP) {
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
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parents: 515
diff changeset
491 fileRevIndexToVisit = fileNode.getLastRevision();
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
492 }
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
493 // still, allocate whole array, for #next to be able to get null parent values
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
494 completeHistory = new HistoryNode[fileRevIndexToVisit+1];
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
495 commitRevisions = new int[completeHistory.length];
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
496 fileNode.indexWalk(fileRevIndexToVisit, fileRevIndexToVisit, this);
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
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parents: 515
diff changeset
497 // it's only single revision, no need to care about followAncestry
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parents: 515
diff changeset
498 // but won't hurt to keep resultHistory != null and commitRevisions initialized just in case
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
499 HistoryNode rv = completeHistory[fileRevIndexToVisit];
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
500 commitRevisions = new int[] { commitRevisions[fileRevIndexToVisit] };
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
501 completeHistory = null; // no need to keep almost empty array in memory
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
502 resultHistory = Collections.singletonList(rv);
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
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parents: 515
diff changeset
503 return rv;
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
504 }
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
505
508
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
506 /**
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
507 * Builds history of file changes (in natural order, from oldest to newest) up to (and including) file revision specified.
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
508 * If {@link TreeBuildInspector} follows ancestry, only elements that are on the line of ancestry of the revision at
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
509 * lastRevisionIndex would be included.
509
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
510 *
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
511 * @return list of history elements, from oldest to newest. In case {@link #followAncestry} is <code>true</code>, the list
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
512 * is modifiable (to further augment with last/first elements of renamed file histories)
508
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
513 */
514
5dcb4581c8ef Report renames when following file history tree with HgFileRenameHandlerMixin
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 511
diff changeset
514 List<HistoryNode> go(HgDataFile fileNode, Nodeid fileLastRevisionToVisit) throws HgInvalidControlFileException {
509
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
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parents: 508
diff changeset
515 resultHistory = null;
514
5dcb4581c8ef Report renames when following file history tree with HgFileRenameHandlerMixin
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 511
diff changeset
516 int fileLastRevIndexToVisit = fileLastRevisionToVisit == null ? fileNode.getLastRevision() : fileNode.getRevisionIndex(fileLastRevisionToVisit);
5dcb4581c8ef Report renames when following file history tree with HgFileRenameHandlerMixin
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 511
diff changeset
517 completeHistory = new HistoryNode[fileLastRevIndexToVisit+1];
508
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parents: 507
diff changeset
518 commitRevisions = new int[completeHistory.length];
514
5dcb4581c8ef Report renames when following file history tree with HgFileRenameHandlerMixin
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 511
diff changeset
519 fileNode.indexWalk(0, fileLastRevIndexToVisit, this);
508
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
520 if (!followAncestry) {
509
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
521 // in case when ancestor not followed, it's safe to return unmodifiable list
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
522 resultHistory = Arrays.asList(completeHistory);
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
523 completeHistory = null;
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
524 // keep commitRevisions initialized, no need to recalculate them
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
525 // as they correspond 1:1 to resultHistory
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
526 return resultHistory;
508
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
527 }
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
528 /*
509
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
529 * Changesets, newest at the top:
508
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
530 * o <-- cset from working dir parent (as in dirstate), file not changed (file revision recorded points to that from A)
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
531 * | x <-- revision with file changed (B')
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parents: 507
diff changeset
532 * x / <-- revision with file changed (A)
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
533 * | x <-- revision with file changed (B)
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
534 * |/
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
535 * o <-- another changeset, where file wasn't changed
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
536 * |
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
537 * x <-- revision with file changed (C)
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
538 *
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
539 * File history: B', A, B, C
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
540 *
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
541 * When "follow", SHALL NOT report B and B', but A and C
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
542 */
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
543 // strippedHistory: only those HistoryNodes from completeHistory that are on the same
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
544 // line of descendant, in order from older to newer
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
545 LinkedList<HistoryNode> strippedHistoryList = new LinkedList<HistoryNode>();
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
546 LinkedList<HistoryNode> queue = new LinkedList<HistoryNode>();
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
547 // look for ancestors of the selected history node
514
5dcb4581c8ef Report renames when following file history tree with HgFileRenameHandlerMixin
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 511
diff changeset
548 queue.add(completeHistory[fileLastRevIndexToVisit]);
508
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parents: 507
diff changeset
549 do {
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
550 HistoryNode withFileChange = queue.removeFirst();
511
122e0600799f Respect multiple joins/forks in a history of a single file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 510
diff changeset
551 if (strippedHistoryList.contains(withFileChange)) {
122e0600799f Respect multiple joins/forks in a history of a single file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 510
diff changeset
552 // fork point for the change that was later merged (and we traced
122e0600799f Respect multiple joins/forks in a history of a single file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 510
diff changeset
553 // both lines of development by now.
122e0600799f Respect multiple joins/forks in a history of a single file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 510
diff changeset
554 continue;
122e0600799f Respect multiple joins/forks in a history of a single file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 510
diff changeset
555 }
508
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
556 if (withFileChange.children != null) {
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
557 withFileChange.children.retainAll(strippedHistoryList);
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
558 }
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
559 strippedHistoryList.addFirst(withFileChange);
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
560 if (withFileChange.parent1 != null) {
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
561 queue.addLast(withFileChange.parent1);
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
562 }
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
563 if (withFileChange.parent2 != null) {
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
564 queue.addLast(withFileChange.parent2);
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
565 }
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
566 } while (!queue.isEmpty());
511
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parents: 510
diff changeset
567 Collections.sort(strippedHistoryList, new Comparator<HistoryNode>() {
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diff changeset
568
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diff changeset
569 public int compare(HistoryNode o1, HistoryNode o2) {
122e0600799f Respect multiple joins/forks in a history of a single file
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diff changeset
570 return o1.changeset - o2.changeset;
122e0600799f Respect multiple joins/forks in a history of a single file
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diff changeset
571 }
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diff changeset
572 });
508
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diff changeset
573 completeHistory = null;
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574 commitRevisions = null;
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575 // collected values are no longer valid - shall
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diff changeset
576 // strip off elements for missing HistoryNodes, but it's easier just to re-create the array
509
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parents: 508
diff changeset
577 // from resultHistory later, once (and if) needed
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diff changeset
578 return resultHistory = strippedHistoryList;
508
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parents: 507
diff changeset
579 }
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diff changeset
580
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diff changeset
581 /**
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diff changeset
582 * handy access to all HistoryNode[i].changeset values
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parents: 507
diff changeset
583 */
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parents: 507
diff changeset
584 int[] getCommitRevisions() {
509
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parents: 508
diff changeset
585 if (commitRevisions == null) {
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parents: 508
diff changeset
586 commitRevisions = new int[resultHistory.size()];
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diff changeset
587 int i = 0;
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parents: 508
diff changeset
588 for (HistoryNode n : resultHistory) {
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parents: 508
diff changeset
589 commitRevisions[i++] = n.changeset;
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diff changeset
590 }
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parents: 508
diff changeset
591 }
508
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diff changeset
592 return commitRevisions;
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593 }
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parents: 507
diff changeset
594 };
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parents: 507
diff changeset
595
516
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parents: 515
diff changeset
596 private abstract class HandlerDispatcher {
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diff changeset
597 private final int CACHE_CSET_IN_ADVANCE_THRESHOLD = 100; /* XXX is it really worth it? */
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diff changeset
598 // builds tree of nodes according to parents in file's revlog
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diff changeset
599 private final TreeBuildInspector treeBuildInspector = new TreeBuildInspector(followAncestry);
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600 private List<HistoryNode> changeHistory;
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diff changeset
601 protected ElementImpl ei = null;
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diff changeset
602 private ProgressSupport progress;
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603 protected HgDataFile currentFileNode;
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604 // node where current file history chunk intersects with same file under other name history
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parents: 515
diff changeset
605 // either mock of B(0) or A(k), depending on iteration order
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diff changeset
606 private HistoryNode junctionNode;
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607
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diff changeset
608 // parentProgress shall be initialized with 4 XXX refactor all this stuff with parentProgress
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diff changeset
609 public void prepare(ProgressSupport parentProgress, Pair<HgDataFile, Nodeid> renameInfo) {
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diff changeset
610 // if we don't followAncestry, take complete history
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diff changeset
611 // XXX treeBuildInspector knows followAncestry, perhaps the logic
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diff changeset
612 // whether to take specific revision or the last one shall be there?
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diff changeset
613 changeHistory = treeBuildInspector.go(renameInfo.first(), followAncestry ? renameInfo.second() : null);
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614 assert changeHistory.size() > 0;
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diff changeset
615 parentProgress.worked(1);
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616 int historyNodeCount = changeHistory.size();
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617 if (ei == null) {
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618 // when follow is true, changeHistory.size() of the first revision might be quite short
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diff changeset
619 // (e.g. bad fname recognized soon), hence ensure at least cache size at once
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620 ei = new ElementImpl(Math.max(CACHE_CSET_IN_ADVANCE_THRESHOLD, historyNodeCount));
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diff changeset
621 }
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622 if (historyNodeCount < CACHE_CSET_IN_ADVANCE_THRESHOLD ) {
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diff changeset
623 int[] commitRevisions = treeBuildInspector.getCommitRevisions();
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parents: 515
diff changeset
624 assert commitRevisions.length == changeHistory.size();
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diff changeset
625 // read bunch of changesets at once and cache 'em
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diff changeset
626 ei.initTransform();
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diff changeset
627 repo.getChangelog().range(ei, commitRevisions);
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diff changeset
628 parentProgress.worked(1);
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diff changeset
629 progress = new ProgressSupport.Sub(parentProgress, 2);
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diff changeset
630 } else {
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diff changeset
631 progress = new ProgressSupport.Sub(parentProgress, 3);
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632 }
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diff changeset
633 progress.start(historyNodeCount);
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634 // switch to present chunk's file node
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diff changeset
635 switchTo(renameInfo.first());
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636 }
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diff changeset
637
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diff changeset
638 public void updateJunctionPoint(Pair<HgDataFile, Nodeid> curRename, Pair<HgDataFile, Nodeid> nextRename) {
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diff changeset
639 // A (old) renamed to B(new). A(0..k..n) -> B(0..m). If followAncestry, k == n
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diff changeset
640 // curRename.second() points to A(k)
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diff changeset
641 if (iterateDirection == IterateDirection.FromOldToNew) {
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diff changeset
642 // looking at A chunk (curRename), nextRename points to B
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parents: 515
diff changeset
643 HistoryNode junctionSrc = findJunctionPointInCurrentChunk(curRename.second()); // A(k)
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diff changeset
644 HistoryNode junctionDestMock = treeBuildInspector.one(nextRename.first(), 0); // B(0)
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parents: 515
diff changeset
645 // junstionDestMock is mock object, once we iterate next rename, there'd be different HistoryNode
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diff changeset
646 // for B's first revision. This means we read it twice, but this seems to be reasonable
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parents: 515
diff changeset
647 // price for simplicity of the code (and opportunity to follow renames while not following ancestry)
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diff changeset
648 junctionSrc.bindChild(junctionDestMock);
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diff changeset
649 // Save mock A(k) 1) not to keep whole A history in memory 2) Don't need it's parent and children once get to B
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diff changeset
650 // moreover, children of original A(k) (junctionSrc) would list mock B(0) which is undesired once we iterate over real B
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diff changeset
651 junctionNode = new HistoryNode(junctionSrc.changeset, junctionSrc.fileRevision, null, null);
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diff changeset
652 } else {
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diff changeset
653 assert iterateDirection == IterateDirection.FromNewToOld;
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diff changeset
654 // looking at B chunk (curRename), nextRename points at A
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diff changeset
655 HistoryNode junctionDest = changeHistory.get(0); // B(0)
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diff changeset
656 // prepare mock A(k)
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diff changeset
657 HistoryNode junctionSrcMock = treeBuildInspector.one(nextRename.first(), nextRename.second()); // A(k)
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diff changeset
658 // B(0) to list A(k) as its parent
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diff changeset
659 // NOTE, A(k) would be different when we reach A chunk on the next iteration,
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diff changeset
660 // but we do not care as long as TreeElement needs only parent/child changesets
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diff changeset
661 // and not other TreeElements; so that it's enough to have mock parent node (just
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diff changeset
662 // for the sake of parent cset revisions). We have to, indeed, update real A(k),
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diff changeset
663 // once we get to iteration over A, with B(0) (junctionDest) as one more child.
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diff changeset
664 junctionSrcMock.bindChild(junctionDest);
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diff changeset
665 // Save mock B(0), for reasons see above for opposite direction
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diff changeset
666 junctionNode = new HistoryNode(junctionDest.changeset, junctionDest.fileRevision, null, null);
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diff changeset
667 }
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diff changeset
668 }
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diff changeset
669
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diff changeset
670 public void clearJunctionPoint() {
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diff changeset
671 junctionNode = null;
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diff changeset
672 }
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parents: 515
diff changeset
673
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diff changeset
674 public void connectWithLastJunctionPoint(Pair<HgDataFile, Nodeid> curRename, Pair<HgDataFile, Nodeid> prevRename, HgFileRenameHandlerMixin renameHandler) throws HgCallbackTargetException {
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diff changeset
675 assert junctionNode != null;
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parents: 515
diff changeset
676 // A renamed to B. A(0..k..n) -> B(0..m). If followAncestry: k == n
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
677 if (iterateDirection == IterateDirection.FromOldToNew) {
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
678 // forward, from old to new:
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
679 // changeHistory points to B
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
680 // Already reported: A(0)..A(n), A(k) is in junctionNode
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
681 // Shall connect histories: A(k).bind(B(0))
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
682 HistoryNode junctionDest = changeHistory.get(0); // B(0)
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
683 // junctionNode is A(k)
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
684 junctionNode.bindChild(junctionDest);
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
685 if (renameHandler != null) { // shall report renames
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
686 HgFileRevision copiedFrom = new HgFileRevision(prevRename.first(), junctionNode.fileRevision, null); // "A", A(k)
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
687 HgFileRevision copiedTo = new HgFileRevision(curRename.first(), junctionDest.fileRevision, copiedFrom.getPath()); // "B", B(0)
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
688 renameHandler.copy(copiedFrom, copiedTo);
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
689 }
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
690 } else {
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
691 assert iterateDirection == IterateDirection.FromNewToOld;
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
692 // changeHistory points to A
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
693 // Already reported B(m), B(m-1)...B(0), B(0) is in junctionNode
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
694 // Shall connect histories A(k).bind(B(0))
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
695 // if followAncestry: A(k) is latest in changeHistory (k == n)
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
696 HistoryNode junctionSrc = findJunctionPointInCurrentChunk(curRename.second()); // A(k)
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
697 junctionSrc.bindChild(junctionNode);
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
698 if (renameHandler != null) {
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
699 HgFileRevision copiedFrom = new HgFileRevision(curRename.first(), junctionSrc.fileRevision, null); // "A", A(k)
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
700 HgFileRevision copiedTo = new HgFileRevision(prevRename.first(), junctionNode.fileRevision, copiedFrom.getPath()); // "B", B(0)
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
701 renameHandler.copy(copiedFrom, copiedTo);
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
702 }
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
703 }
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
704 }
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
705
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
706 private HistoryNode findJunctionPointInCurrentChunk(Nodeid fileRevision) {
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
707 if (followAncestry) {
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
708 // use the fact we don't go past junction point when followAncestry == true
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
709 HistoryNode rv = changeHistory.get(changeHistory.size() - 1);
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
710 assert rv.fileRevision.equals(fileRevision);
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
711 return rv;
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
712 }
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
713 for (HistoryNode n : changeHistory) {
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
714 if (n.fileRevision.equals(fileRevision)) {
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
715 return n;
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
716 }
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
717 }
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
718 int csetStart = changeHistory.get(0).changeset;
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
719 int csetEnd = changeHistory.get(changeHistory.size() - 1).changeset;
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
720 throw new HgInvalidStateException(String.format("For change history (cset[%d..%d]) could not find node for file change %s", csetStart, csetEnd, fileRevision.shortNotation()));
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
721 }
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
722
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
723 protected abstract void once(HistoryNode n) throws HgCallbackTargetException, CancelledException;
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
724
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
725 public void dispatchAllChanges() throws HgCallbackTargetException, CancelledException {
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
726 // XXX shall sort changeHistory according to changeset numbers?
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
727 Iterator<HistoryNode> it;
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
728 if (iterateDirection == IterateDirection.FromOldToNew) {
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
729 it = changeHistory.listIterator();
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
730 } else {
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
731 assert iterateDirection == IterateDirection.FromNewToOld;
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
732 it = new ReverseIterator<HistoryNode>(changeHistory);
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
733 }
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
734 while(it.hasNext()) {
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
735 HistoryNode n = it.next();
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
736 once(n);
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
737 progress.worked(1);
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
738 }
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
739 changeHistory = null;
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
740 }
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
741
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
742 public void switchTo(HgDataFile df) {
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
743 // from now on, use df in TreeElement
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
744 currentFileNode = df;
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
745 }
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
746 }
0ae5768081aa Allow walking file rename history independently from file ancestry (native hg log --follow does both at once)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 515
diff changeset
747
507
a6435c1a42d0 Test for HgChangesetTreeHandler - make sure nothing is broken prior to adding --follow support
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
748
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
749 //
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
750
154
ba2bf656f00f Changeset => RawChangeset
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 148
diff changeset
751 public void next(int revisionNumber, Nodeid nodeid, RawChangeset cset) {
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
752 if (limit > 0 && count >= limit) {
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
753 return;
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
754 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
755 if (branches != null && !branches.contains(cset.branch())) {
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
756 return;
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
757 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
758 if (users != null) {
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
759 String csetUser = cset.user().toLowerCase();
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
760 boolean found = false;
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
761 for (String u : users) {
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
762 if (csetUser.indexOf(u) != -1) {
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
763 found = true;
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
764 break;
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
765 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
766 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
767 if (!found) {
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
768 return;
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
769 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
770 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
771 if (date != null) {
418
528b6780a8bd A bit of FIXME cleanup (mostly degraded to TODO post 1.0), comments and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
772 // TODO post-1.0 implement date support for log
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
773 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
774 count++;
193
37f3d4a596e4 Use common low to hi-level changeset api transformer
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
775 csetTransform.next(revisionNumber, nodeid, cset);
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
776 }
195
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 193
diff changeset
777
432
1fc0da631200 Revlog.ParentWalker helper class got promoted as TLC, renamed to HgParentChildMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 431
diff changeset
778 private HgParentChildMap<HgChangelog> getParentHelper(boolean create) throws HgInvalidControlFileException {
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
779 if (parentHelper == null && create) {
432
1fc0da631200 Revlog.ParentWalker helper class got promoted as TLC, renamed to HgParentChildMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 431
diff changeset
780 parentHelper = new HgParentChildMap<HgChangelog>(repo.getChangelog());
195
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 193
diff changeset
781 parentHelper.init();
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 193
diff changeset
782 }
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 193
diff changeset
783 return parentHelper;
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 193
diff changeset
784 }
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 193
diff changeset
785
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
786
205
ffc5f6d59f7e HgLogCommand.Handler is used in few places, pull up to top-level class, HgChangesetHandler
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diff changeset
787 public static class CollectHandler implements HgChangesetHandler {
129
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diff changeset
788 private final List<HgChangeset> result = new LinkedList<HgChangeset>();
64
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diff changeset
789
129
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diff changeset
790 public List<HgChangeset> getChanges() {
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
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diff changeset
791 return Collections.unmodifiableList(result);
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parents:
diff changeset
792 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
793
427
31a89587eb04 FIXMEs: consistent names, throws for commands and their handlers. Use of checked exceptions in hi-level api
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
794 public void cset(HgChangeset changeset) {
64
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parents:
diff changeset
795 result.add(changeset.clone());
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parents:
diff changeset
796 }
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diff changeset
797 }
328
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798
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diff changeset
799 private static class HistoryNode {
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800 final int changeset;
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801 final Nodeid fileRevision;
509
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parents: 508
diff changeset
802 HistoryNode parent1; // there's special case when we can alter it, see #bindChild()
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diff changeset
803 final HistoryNode parent2;
328
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804 List<HistoryNode> children;
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805
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diff changeset
806 HistoryNode(int cs, Nodeid revision, HistoryNode p1, HistoryNode p2) {
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807 changeset = cs;
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808 fileRevision = revision;
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809 parent1 = p1;
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810 parent2 = p2;
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811 if (p1 != null) {
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812 p1.addChild(this);
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813 }
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814 if (p2 != null) {
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diff changeset
815 p2.addChild(this);
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816 }
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817 }
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818
509
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diff changeset
819 private void addChild(HistoryNode child) {
328
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diff changeset
820 if (children == null) {
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diff changeset
821 children = new ArrayList<HistoryNode>(2);
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822 }
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diff changeset
823 children.add(child);
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diff changeset
824 }
509
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diff changeset
825
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
826 /**
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
827 * method to merge two history chunks for renamed file so that
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
828 * this node's history continues with that of child
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
829 * @param child
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parents: 508
diff changeset
830 */
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parents: 508
diff changeset
831 public void bindChild(HistoryNode child) {
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parents: 508
diff changeset
832 assert child.parent1 == null && child.parent2 == null;
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parents: 508
diff changeset
833 // for the last element in history empty children are by construction:
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
834 // we don't iterate further than last element of interest in TreeBuildInspector#go
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
835 assert children == null || children.isEmpty();
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
836 child.parent1 = this;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
837 addChild(child);
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
838 }
511
122e0600799f Respect multiple joins/forks in a history of a single file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 510
diff changeset
839
122e0600799f Respect multiple joins/forks in a history of a single file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 510
diff changeset
840 public String toString() {
122e0600799f Respect multiple joins/forks in a history of a single file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 510
diff changeset
841 return String.format("<cset:%d, parents: %s, %s>", changeset, parent1 == null ? "-" : String.valueOf(parent1.changeset), parent2 == null ? "-" : String.valueOf(parent2.changeset));
122e0600799f Respect multiple joins/forks in a history of a single file
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parents: 510
diff changeset
842 }
328
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diff changeset
843 }
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diff changeset
844
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diff changeset
845 private class ElementImpl implements HgChangesetTreeHandler.TreeElement, HgChangelog.Inspector {
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diff changeset
846 private HistoryNode historyNode;
515
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diff changeset
847 private HgDataFile fileNode;
328
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diff changeset
848 private Pair<HgChangeset, HgChangeset> parents;
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diff changeset
849 private List<HgChangeset> children;
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diff changeset
850 private IntMap<HgChangeset> cachedChangesets;
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diff changeset
851 private ChangesetTransformer.Transformation transform;
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diff changeset
852 private Nodeid changesetRevision;
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diff changeset
853 private Pair<Nodeid,Nodeid> parentRevisions;
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diff changeset
854 private List<Nodeid> childRevisions;
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diff changeset
855
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diff changeset
856 public ElementImpl(int total) {
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diff changeset
857 cachedChangesets = new IntMap<HgChangeset>(total);
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parents: 322
diff changeset
858 }
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diff changeset
859
515
e6c8b9b654b2 Provide access to HgDataFile being iterated into HgChangesetTreeHandler.TreeElement to give context for renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 514
diff changeset
860 ElementImpl init(HistoryNode n, HgDataFile df) {
328
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diff changeset
861 historyNode = n;
515
e6c8b9b654b2 Provide access to HgDataFile being iterated into HgChangesetTreeHandler.TreeElement to give context for renamed files
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parents: 514
diff changeset
862 fileNode = df;
328
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diff changeset
863 parents = null;
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864 children = null;
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diff changeset
865 changesetRevision = null;
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diff changeset
866 parentRevisions = null;
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diff changeset
867 childRevisions = null;
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diff changeset
868 return this;
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diff changeset
869 }
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diff changeset
870
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diff changeset
871 public Nodeid fileRevision() {
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diff changeset
872 return historyNode.fileRevision;
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diff changeset
873 }
515
e6c8b9b654b2 Provide access to HgDataFile being iterated into HgChangesetTreeHandler.TreeElement to give context for renamed files
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parents: 514
diff changeset
874
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 514
diff changeset
875 public HgDataFile file() {
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parents: 514
diff changeset
876 return fileNode;
e6c8b9b654b2 Provide access to HgDataFile being iterated into HgChangesetTreeHandler.TreeElement to give context for renamed files
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parents: 514
diff changeset
877 }
328
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diff changeset
878
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 419
diff changeset
879 public HgChangeset changeset() {
328
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diff changeset
880 return get(historyNode.changeset)[0];
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parents: 322
diff changeset
881 }
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parents: 322
diff changeset
882
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 419
diff changeset
883 public Pair<HgChangeset, HgChangeset> parents() {
328
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diff changeset
884 if (parents != null) {
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diff changeset
885 return parents;
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diff changeset
886 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
887 HistoryNode p;
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diff changeset
888 final int p1, p2;
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diff changeset
889 if ((p = historyNode.parent1) != null) {
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diff changeset
890 p1 = p.changeset;
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diff changeset
891 } else {
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diff changeset
892 p1 = -1;
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diff changeset
893 }
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diff changeset
894 if ((p = historyNode.parent2) != null) {
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diff changeset
895 p2 = p.changeset;
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parents: 322
diff changeset
896 } else {
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parents: 322
diff changeset
897 p2 = -1;
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diff changeset
898 }
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diff changeset
899 HgChangeset[] r = get(p1, p2);
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diff changeset
900 return parents = new Pair<HgChangeset, HgChangeset>(r[0], r[1]);
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diff changeset
901 }
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diff changeset
902
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 419
diff changeset
903 public Collection<HgChangeset> children() {
328
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diff changeset
904 if (children != null) {
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diff changeset
905 return children;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
906 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
907 if (historyNode.children == null) {
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parents: 322
diff changeset
908 children = Collections.emptyList();
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diff changeset
909 } else {
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parents: 322
diff changeset
910 int[] childrentChangesetNumbers = new int[historyNode.children.size()];
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diff changeset
911 int j = 0;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
912 for (HistoryNode hn : historyNode.children) {
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parents: 322
diff changeset
913 childrentChangesetNumbers[j++] = hn.changeset;
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diff changeset
914 }
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diff changeset
915 children = Arrays.asList(get(childrentChangesetNumbers));
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diff changeset
916 }
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diff changeset
917 return children;
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parents: 322
diff changeset
918 }
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parents: 322
diff changeset
919
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
920 void populate(HgChangeset cs) {
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
921 cachedChangesets.put(cs.getRevisionIndex(), cs);
328
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parents: 322
diff changeset
922 }
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parents: 322
diff changeset
923
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 419
diff changeset
924 private HgChangeset[] get(int... changelogRevisionIndex) {
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
925 HgChangeset[] rv = new HgChangeset[changelogRevisionIndex.length];
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
926 IntVector misses = new IntVector(changelogRevisionIndex.length, -1);
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
927 for (int i = 0; i < changelogRevisionIndex.length; i++) {
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
928 if (changelogRevisionIndex[i] == -1) {
328
a674b8590362 Move file tree history to upper API level
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parents: 322
diff changeset
929 rv[i] = null;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
930 continue;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
931 }
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
932 HgChangeset cached = cachedChangesets.get(changelogRevisionIndex[i]);
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
933 if (cached != null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
934 rv[i] = cached;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
935 } else {
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
936 misses.add(changelogRevisionIndex[i]);
328
a674b8590362 Move file tree history to upper API level
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parents: 322
diff changeset
937 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
938 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
939 if (misses.size() > 0) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
940 final int[] changesets2read = misses.toArray();
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
941 initTransform();
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
942 repo.getChangelog().range(this, changesets2read);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
943 for (int changeset2read : changesets2read) {
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parents: 322
diff changeset
944 HgChangeset cs = cachedChangesets.get(changeset2read);
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
945 if (cs == null) {
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 419
diff changeset
946 HgInvalidStateException t = new HgInvalidStateException(String.format("Can't get changeset for revision %d", changeset2read));
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 419
diff changeset
947 throw t.setRevisionIndex(changeset2read);
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
948 }
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
949 // HgChangelog.range may reorder changesets according to their order in the changelog
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
950 // thus need to find original index
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
951 boolean sanity = false;
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
952 for (int i = 0; i < changelogRevisionIndex.length; i++) {
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
953 if (changelogRevisionIndex[i] == cs.getRevisionIndex()) {
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
954 rv[i] = cs;
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
955 sanity = true;
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
956 break;
328
a674b8590362 Move file tree history to upper API level
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parents: 322
diff changeset
957 }
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
958 }
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
959 if (!sanity) {
490
b3c16d1aede0 Refactoring: move HgRepository's implementation aspects to Internals (which is now its imlementation counterpart and primary repository class to be used by other parts of the library)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 457
diff changeset
960 repo.getSessionContext().getLog().dump(getClass(), Error, "Index of revision %d:%s doesn't match any of requested", cs.getRevisionIndex(), cs.getNodeid().shortNotation());
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
961 }
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
962 assert sanity;
328
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
963 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
964 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
965 return rv;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
966 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
967
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
968 // init only when needed
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 419
diff changeset
969 void initTransform() throws HgRuntimeException {
328
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
970 if (transform == null) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
971 transform = new ChangesetTransformer.Transformation(new HgStatusCollector(repo)/*XXX try to reuse from context?*/, getParentHelper(false));
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parents: 322
diff changeset
972 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
973 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
974
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
975 public void next(int revisionNumber, Nodeid nodeid, RawChangeset cset) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
976 HgChangeset cs = transform.handle(revisionNumber, nodeid, cset);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
977 populate(cs.clone());
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
978 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
979
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 419
diff changeset
980 public Nodeid changesetRevision() {
328
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
981 if (changesetRevision == null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
982 changesetRevision = getRevision(historyNode.changeset);
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
983 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
984 return changesetRevision;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
985 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
986
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 419
diff changeset
987 public Pair<Nodeid, Nodeid> parentRevisions() {
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
988 if (parentRevisions == null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
989 HistoryNode p;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
990 final Nodeid p1, p2;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
991 if ((p = historyNode.parent1) != null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
992 p1 = getRevision(p.changeset);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
993 } else {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
994 p1 = Nodeid.NULL;;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
995 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
996 if ((p = historyNode.parent2) != null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
997 p2 = getRevision(p.changeset);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
998 } else {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
999 p2 = Nodeid.NULL;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1000 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1001 parentRevisions = new Pair<Nodeid, Nodeid>(p1, p2);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1002 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1003 return parentRevisions;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1004 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1005
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 419
diff changeset
1006 public Collection<Nodeid> childRevisions() {
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1007 if (childRevisions != null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1008 return childRevisions;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1009 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1010 if (historyNode.children == null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1011 childRevisions = Collections.emptyList();
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1012 } else {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1013 ArrayList<Nodeid> rv = new ArrayList<Nodeid>(historyNode.children.size());
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1014 for (HistoryNode hn : historyNode.children) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1015 rv.add(getRevision(hn.changeset));
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1016 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1017 childRevisions = Collections.unmodifiableList(rv);
a674b8590362 Move file tree history to upper API level
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parents: 322
diff changeset
1018 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1019 return childRevisions;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1020 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1021
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1022 // reading nodeid involves reading index only, guess, can afford not to optimize multiple reads
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 419
diff changeset
1023 private Nodeid getRevision(int changelogRevisionNumber) {
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 419
diff changeset
1024 // TODO post-1.0 pipe through pool
328
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parents: 322
diff changeset
1025 HgChangeset cs = cachedChangesets.get(changelogRevisionNumber);
a674b8590362 Move file tree history to upper API level
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parents: 322
diff changeset
1026 if (cs != null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1027 return cs.getNodeid();
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1028 } else {
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
1029 return repo.getChangelog().getRevision(changelogRevisionNumber);
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1030 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1031 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
1032 }
510
90093ee56c0d Full-fledged test repo to follow file history. Investigating iteration direction alternatives (from new to old in addition to existing old to new)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 509
diff changeset
1033
90093ee56c0d Full-fledged test repo to follow file history. Investigating iteration direction alternatives (from new to old in addition to existing old to new)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 509
diff changeset
1034 private enum IterateDirection {
90093ee56c0d Full-fledged test repo to follow file history. Investigating iteration direction alternatives (from new to old in addition to existing old to new)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 509
diff changeset
1035 FromOldToNew, FromNewToOld
90093ee56c0d Full-fledged test repo to follow file history. Investigating iteration direction alternatives (from new to old in addition to existing old to new)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 509
diff changeset
1036 }
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1037 }