Mercurial > jhg

annotate src/org/tmatesoft/hg/core/HgLogCommand.java @ 511:122e0600799f

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Respect multiple joins/forks in a history of a single file
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Fri, 14 Dec 2012 15:39:49 +0100
parents 90093ee56c0d
children 5dcb4581c8ef
rev   line source
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1 /*
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2 s * Copyright (c) 2011-2012 TMate Software Ltd
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3 *
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4 * This program is free software; you can redistribute it and/or modify
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5 * it under the terms of the GNU General Public License as published by
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6 * the Free Software Foundation; version 2 of the License.
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7 *
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8 * This program is distributed in the hope that it will be useful,
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9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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11 * GNU General Public License for more details.
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12 *
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13 * For information on how to redistribute this software under
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14 * the terms of a license other than GNU General Public License
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15 * contact TMate Software at support@hg4j.com
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16 */
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17 package org.tmatesoft.hg.core;
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18
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19 import static org.tmatesoft.hg.repo.HgRepository.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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35
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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.CancelSupport;
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49 import org.tmatesoft.hg.util.CancelledException;
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50 import org.tmatesoft.hg.util.Pair;
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51 import org.tmatesoft.hg.util.Path;
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52 import org.tmatesoft.hg.util.ProgressSupport;
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55 /**
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56 * Access to changelog, 'hg log' command counterpart.
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57 *
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58 * <pre>
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59 * Usage:
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60 * new LogCommand().limit(20).branch("maintenance-2.1").user("me").execute(new MyHandler());
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61 * </pre>
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62 * Not thread-safe (each thread has to use own {@link HgLogCommand} instance).
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63 *
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64 * @author Artem Tikhomirov
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65 * @author TMate Software Ltd.
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66 */
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67 public class HgLogCommand extends HgAbstractCommand<HgLogCommand> implements HgChangelog.Inspector {
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69 private final HgRepository repo;
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70 private Set<String> users;
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71 private Set<String> branches;
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72 private int limit = 0, count = 0;
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73 private int startRev = 0, endRev = TIP;
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74 private Calendar date;
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75 private Path file;
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76 private boolean followHistory; // makes sense only when file != null
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77 private ChangesetTransformer csetTransform;
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78 private HgParentChildMap<HgChangelog> parentHelper;
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79
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80 public HgLogCommand(HgRepository hgRepo) {
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81 repo = hgRepo;
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82 }
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83
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84 /**
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85 * Limit search to specified user. Multiple user names may be specified. Once set, user names can't be
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86 * cleared, use new command instance in such cases.
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87 * @param user - full or partial name of the user, case-insensitive, non-null.
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88 * @return <code>this</code> instance for convenience
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89 * @throws IllegalArgumentException when argument is null
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90 */
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91 public HgLogCommand user(String user) {
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92 if (user == null) {
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93 throw new IllegalArgumentException();
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94 }
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95 if (users == null) {
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96 users = new TreeSet<String>();
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97 }
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98 users.add(user.toLowerCase());
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99 return this;
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100 }
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102 /**
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103 * Limit search to specified branch. Multiple branch specification possible (changeset from any of these
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104 * would be included in result). If unspecified, all branches are considered. There's no way to clean branch selection
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105 * once set, create fresh new command instead.
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106 * @param branch - branch name, case-sensitive, non-null.
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107 * @return <code>this</code> instance for convenience
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108 * @throws IllegalArgumentException when branch argument is null
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109 */
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110 public HgLogCommand branch(String branch) {
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111 if (branch == null) {
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112 throw new IllegalArgumentException();
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113 }
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114 if (branches == null) {
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115 branches = new TreeSet<String>();
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116 }
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117 branches.add(branch);
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118 return this;
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119 }
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120
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121 // limit search to specific date
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122 // multiple?
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123 public HgLogCommand date(Calendar date) {
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124 this.date = date;
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125 // TODO post-1.0 implement
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126 // isSet(field) - false => don't use in detection of 'same date'
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127 throw HgRepository.notImplemented();
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128 }
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129
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130 /**
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131 *
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132 * @param num - number of changeset to produce. Pass 0 to clear the limit.
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133 * @return <code>this</code> instance for convenience
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134 */
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135 public HgLogCommand limit(int num) {
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136 limit = num;
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137 return this;
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138 }
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139
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140 /**
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141 * Limit to specified subset of Changelog, [min(rev1,rev2), max(rev1,rev2)], inclusive.
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142 * Revision may be specified with {@link HgRepository#TIP}
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143 *
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144 * @param rev1 - local index of start changeset revision
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145 * @param rev2 - index of end changeset revision
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146 * @return <code>this</code> instance for convenience
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147 */
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148 public HgLogCommand range(int rev1, int rev2) {
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149 if (rev1 != TIP && rev2 != TIP) {
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150 startRev = rev2 < rev1 ? rev2 : rev1;
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151 endRev = startRev == rev2 ? rev1 : rev2;
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152 } else if (rev1 == TIP && rev2 != TIP) {
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153 startRev = rev2;
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154 endRev = rev1;
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155 } else {
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156 startRev = rev1;
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157 endRev = rev2;
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158 }
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159 return this;
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160 }
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161
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162 /**
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163 * Select specific changeset
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164 *
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165 * @param nid changeset revision
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166 * @return <code>this</code> for convenience
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167 * @throws HgBadArgumentException if failed to find supplied changeset revision
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168 */
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169 public HgLogCommand changeset(Nodeid nid) throws HgBadArgumentException {
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170 // XXX perhaps, shall support multiple (...) arguments and extend #execute to handle not only range, but also set of revisions.
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171 try {
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172 final int csetRevIndex = repo.getChangelog().getRevisionIndex(nid);
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173 return range(csetRevIndex, csetRevIndex);
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174 } catch (HgInvalidRevisionException ex) {
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175 throw new HgBadArgumentException("Can't find revision", ex).setRevision(nid);
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176 }
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177 }
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178
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179 /**
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180 * Visit history of a given file only.
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181 * @param file path relative to repository root. Pass <code>null</code> to reset.
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182 * @param followCopyRename true to report changesets of the original file(-s), if copy/rename ever occured to the file.
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183 */
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184 public HgLogCommand file(Path file, boolean followCopyRename) {
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185 // multiple? Bad idea, would need to include extra method into Handler to tell start of next file
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186 this.file = file;
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187 followHistory = followCopyRename;
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188 return this;
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189 }
142
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190
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191 /**
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192 * Handy analog of {@link #file(Path, boolean)} when clients' paths come from filesystem and need conversion to repository's
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193 */
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194 public HgLogCommand file(String file, boolean followCopyRename) {
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195 return file(Path.create(repo.getToRepoPathHelper().rewrite(file)), followCopyRename);
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196 }
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197
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198 /**
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199 * Similar to {@link #execute(HgChangesetHandler)}, collects and return result as a list.
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200 *
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201 * @see #execute(HgChangesetHandler)
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202 * @throws HgException subclass thereof to indicate specific issue with the command arguments or repository state
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203 */
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204 public List<HgChangeset> execute() throws HgException {
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205 CollectHandler collector = new CollectHandler();
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206 try {
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207 execute(collector);
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208 } catch (HgCallbackTargetException ex) {
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209 // see below for CanceledException
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210 HgInvalidStateException t = new HgInvalidStateException("Internal error");
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211 t.initCause(ex);
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212 throw t;
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213 } catch (CancelledException ex) {
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214 // can't happen as long as our CollectHandler doesn't throw any exception
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215 HgInvalidStateException t = new HgInvalidStateException("Internal error");
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216 t.initCause(ex);
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217 throw t;
215
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218 }
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219 return collector.getChanges();
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220 }
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222 /**
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223 * Iterate over range of changesets configured in the command.
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224 *
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225 * @param handler callback to process changesets.
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226 * @throws HgCallbackTargetException propagated exception from the handler
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227 * @throws HgException subclass thereof to indicate specific issue with the command arguments or repository state
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228 * @throws CancelledException if execution of the command was cancelled
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229 * @throws IllegalArgumentException when inspector argument is null
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230 * @throws ConcurrentModificationException if this log command instance is already running
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231 */
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232 public void execute(HgChangesetHandler handler) throws HgCallbackTargetException, HgException, CancelledException {
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233 if (handler == null) {
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234 throw new IllegalArgumentException();
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235 }
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236 if (csetTransform != null) {
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237 throw new ConcurrentModificationException();
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238 }
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239 final ProgressSupport progressHelper = getProgressSupport(handler);
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240 try {
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241 count = 0;
432
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242 HgParentChildMap<HgChangelog> pw = getParentHelper(file == null); // leave it uninitialized unless we iterate whole repo
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243 // ChangesetTransfrom creates a blank PathPool, and #file(String, boolean) above
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244 // may utilize it as well. CommandContext? How about StatusCollector there as well?
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245 csetTransform = new ChangesetTransformer(repo, handler, pw, progressHelper, getCancelSupport(handler, true));
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246 if (file == null) {
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247 progressHelper.start(endRev - startRev + 1);
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248 repo.getChangelog().range(startRev, endRev, this);
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249 csetTransform.checkFailure();
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250 } else {
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251 progressHelper.start(-1/*XXX enum const, or a dedicated method startUnspecified(). How about startAtLeast(int)?*/);
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252 HgDataFile fileNode = repo.getFileNode(file);
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253 if (!fileNode.exists()) {
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254 throw new HgPathNotFoundException(String.format("File %s not found in the repository", file), file);
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255 }
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256 // FIXME startRev and endRev ARE CHANGESET REVISIONS, not that of FILE!!!
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257 fileNode.history(startRev, endRev, this);
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258 csetTransform.checkFailure();
126
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259 if (fileNode.isCopy()) {
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260 // even if we do not follow history, report file rename
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261 do {
427
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262 if (handler instanceof HgChangesetHandler.WithCopyHistory) {
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263 HgFileRevision src = new HgFileRevision(repo, fileNode.getCopySourceRevision(), null, fileNode.getCopySourceName());
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264 HgFileRevision dst = new HgFileRevision(repo, fileNode.getRevision(0), null, fileNode.getPath(), src.getPath());
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265 ((HgChangesetHandler.WithCopyHistory) handler).copy(src, dst);
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266 }
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267 if (limit > 0 && count >= limit) {
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268 // if limit reach, follow is useless.
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269 break;
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270 }
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271 if (followHistory) {
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272 fileNode = repo.getFileNode(fileNode.getCopySourceName());
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273 fileNode.history(this);
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274 csetTransform.checkFailure();
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275 }
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276 } while (followHistory && fileNode.isCopy());
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277 }
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278 }
427
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279 } catch (HgRuntimeException ex) {
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280 throw new HgLibraryFailureException(ex);
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281 } finally {
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282 csetTransform = null;
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283 progressHelper.done();
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284 }
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285 }
328
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286
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287 /**
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288 * Tree-wise iteration of a file history, with handy access to parent-child relations between changesets.
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289 *
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290 * @param handler callback to process changesets.
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291 * @throws HgCallbackTargetException propagated exception from the handler
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292 * @throws HgException subclass thereof to indicate specific issue with the command arguments or repository state
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293 * @throws CancelledException if execution of the command was cancelled
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294 * @throws IllegalArgumentException if command is not satisfied with its arguments
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295 * @throws ConcurrentModificationException if this log command instance is already running
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296 */
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297 public void execute(HgChangesetTreeHandler handler) throws HgCallbackTargetException, HgException, CancelledException {
328
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298 if (handler == null) {
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299 throw new IllegalArgumentException();
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300 }
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301 if (csetTransform != null) {
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302 throw new ConcurrentModificationException();
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303 }
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304 if (file == null) {
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305 throw new IllegalArgumentException("History tree is supported for files only (at least now), please specify file");
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306 }
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307 final ProgressSupport progressHelper = getProgressSupport(handler);
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308 final CancelSupport cancelHelper = getCancelSupport(handler, true);
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309
508
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310 // builds tree of nodes according to parents in file's revlog
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311 final TreeBuildInspector treeBuildInspector = new TreeBuildInspector(followHistory);
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312 // we iterate separate histories of each filename, need to connect
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313 // last node of historyA with first node of historyB (A renamed to B case)
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314 // to make overall history smooth.
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315 HistoryNode lastFromPrevIteration = null;
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316
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317 final int CACHE_CSET_IN_ADVANCE_THRESHOLD = 100; /* XXX is it really worth it? */
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318 ElementImpl ei = null;
508
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319
510
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320 // renamed files in the queue are placed with respect to #iterateDirection
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321 // i.e. if we iterate from new to old, recent filenames come first
508
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322 LinkedList<Pair<HgDataFile, Nodeid>> fileRenamesQueue = buildFileRenamesQueue();
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323 progressHelper.start(4 * fileRenamesQueue.size());
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324 do {
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325
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326 Pair<HgDataFile, Nodeid> renameInfo = fileRenamesQueue.removeFirst();
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327 cancelHelper.checkCancelled();
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328 HgDataFile fileNode = renameInfo.first();
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329 Nodeid fileLastRevToVisit = null;
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330 if (followHistory) {
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331 fileLastRevToVisit = renameInfo.second();
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332 if (fileLastRevToVisit == null) {
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333 // it's either first or last item in the queue, depending on iteration order
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334 assert fileRenamesQueue.isEmpty() || /*awful way to find out it's first iteration*/ lastFromPrevIteration == null;
508
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335 // TODO subject to dedicated method either in HgRepository (getWorkingCopyParentRevisionIndex)
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336 // or in the HgDataFile (getWorkingCopyOriginRevision)
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337 Nodeid wdParentChangeset = repo.getWorkingCopyParents().first();
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338 if (!wdParentChangeset.isNull()) {
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339 int wdParentRevIndex = repo.getChangelog().getRevisionIndex(wdParentChangeset);
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340 fileLastRevToVisit = repo.getManifest().getFileRevision(wdParentRevIndex, fileNode.getPath());
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341 }
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342 // else fall-through, assume lastRevision() is ok here
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343 }
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344 }
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345 int fileLastRevIndexToVisit = fileLastRevToVisit == null ? fileNode.getLastRevision() : fileNode.getRevisionIndex(fileLastRevToVisit);
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346 final List<HistoryNode> changeHistory = treeBuildInspector.go(fileNode, fileLastRevIndexToVisit);
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347 assert changeHistory.size() > 0;
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348 progressHelper.worked(1);
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349 cancelHelper.checkCancelled();
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350 final ProgressSupport ph2;
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351 if (ei == null) {
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352 // when follow is true, changeHistory.size() of the first revision might be quite short
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353 // (e.g. bad fname recognized soon), hence ensure at least cache size at once
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354 ei = new ElementImpl(Math.max(CACHE_CSET_IN_ADVANCE_THRESHOLD, changeHistory.size()));
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355 }
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356 if (changeHistory.size() < CACHE_CSET_IN_ADVANCE_THRESHOLD ) {
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357 int[] commitRevisions = treeBuildInspector.getCommitRevisions();
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358 assert changeHistory.size() == commitRevisions.length;
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359 // read bunch of changesets at once and cache 'em
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360 ei.initTransform();
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361 repo.getChangelog().range(ei, commitRevisions);
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362 progressHelper.worked(1);
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363 ph2 = new ProgressSupport.Sub(progressHelper, 2);
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364 } else {
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365 ph2 = new ProgressSupport.Sub(progressHelper, 3);
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366 }
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367 ph2.start(changeHistory.size());
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368 if (lastFromPrevIteration != null) {
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369 if (iterateDirection == IterateDirection.FromOldToNew) {
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370 // forward, from old to new:
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371 // A(0..n) -> B(0..m). First, report A(0)..A(n-1)
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372 // then A(n).bind(B(0))
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373 HistoryNode oldestOfTheNextChunk = changeHistory.get(0);
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374 lastFromPrevIteration.bindChild(oldestOfTheNextChunk);
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375 changeHistory.add(0, lastFromPrevIteration);
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376 } else {
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377 assert iterateDirection == IterateDirection.FromNewToOld;
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378 // A renamed to B. A(0..n) -> B(0..m).
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379 // First, report B(m), B(m-1)...B(1), then A(n).bind(B(0))
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380 HistoryNode newestOfNextChunk = changeHistory.get(changeHistory.size() - 1); // A(n)
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381 newestOfNextChunk.bindChild(lastFromPrevIteration);
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382 changeHistory.add(lastFromPrevIteration);
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383 }
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384 }
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385 if (!fileRenamesQueue.isEmpty()) {
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386 if (iterateDirection == IterateDirection.FromOldToNew) {
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387 // save newest, and exclude it from this iteration (postpone for next)
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388 lastFromPrevIteration = changeHistory.remove(changeHistory.size()-1);
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389 } else {
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390 assert iterateDirection == IterateDirection.FromNewToOld;
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391 // save oldest, and exclude it from thi iteration (postpone for next)
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392 lastFromPrevIteration = changeHistory.remove(0);
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393 }
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394 } else {
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395 lastFromPrevIteration = null; // just for the sake of no references to old items
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396 }
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397 // XXX shall sort changeHistory according to changeset numbers?
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398 Iterator<HistoryNode> it;
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399 if (iterateDirection == IterateDirection.FromOldToNew) {
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400 it = changeHistory.listIterator();
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401 } else {
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402 assert iterateDirection == IterateDirection.FromNewToOld;
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403 it = new ReverseIterator<HistoryNode>(changeHistory);
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404 }
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405 while(it.hasNext()) {
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406 HistoryNode n = it.next();
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407 handler.treeElement(ei.init(n));
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408 ph2.worked(1);
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409 cancelHelper.checkCancelled();
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410 }
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411 } while (!fileRenamesQueue.isEmpty());
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412 progressHelper.done();
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413 }
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414
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415 private IterateDirection iterateDirection = IterateDirection.FromOldToNew;
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416
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417 private static class ReverseIterator<E> implements Iterator<E> {
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418 private final ListIterator<E> listIterator;
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419
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420 public ReverseIterator(List<E> list) {
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421 listIterator = list.listIterator(list.size());
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422 }
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423
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424 public boolean hasNext() {
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425 return listIterator.hasPrevious();
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426 }
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427 public E next() {
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428 return listIterator.previous();
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429 }
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430 public void remove() {
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431 listIterator.remove();
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432 }
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433 }
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434
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435 /**
508
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436 * Follows file renames and build a list of all corresponding file nodes and revisions they were
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437 * copied/renamed/branched at (IOW, their latest revision to look at).
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438 *
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439 * If {@link #followHistory} is <code>false</code>, the list contains one element only,
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440 * file node with the name of the file as it was specified by the user.
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441 *
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442 * For the most recent file revision is null.
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443 *
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444 * TODO may use HgFileRevision (after some refactoring to accept HgDataFile and Nodeid) instead of Pair
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445 * and possibly reuse this functionality
507
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446 *
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447 * @return list of file renames, ordered with respect to {@link #iterateDirection}
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448 */
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449 private LinkedList<Pair<HgDataFile, Nodeid>> buildFileRenamesQueue() {
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diff changeset
450 LinkedList<Pair<HgDataFile, Nodeid>> rv = new LinkedList<Pair<HgDataFile, Nodeid>>();
507
a6435c1a42d0 Test for HgChangesetTreeHandler - make sure nothing is broken prior to adding --follow support
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parents: 490
diff changeset
451 if (!followHistory) {
508
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diff changeset
452 rv.add(new Pair<HgDataFile, Nodeid>(repo.getFileNode(file), null));
507
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diff changeset
453 return rv;
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454 }
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diff changeset
455 Path fp = file;
508
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diff changeset
456 Nodeid copyRev = null;
507
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diff changeset
457 boolean isCopy;
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diff changeset
458 do {
508
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diff changeset
459 HgDataFile fileNode = repo.getFileNode(fp);
510
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parents: 509
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460 Pair<HgDataFile, Nodeid> p = new Pair<HgDataFile, Nodeid>(fileNode, copyRev);
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
461 if (iterateDirection == IterateDirection.FromOldToNew) {
90093ee56c0d Full-fledged test repo to follow file history. Investigating iteration direction alternatives (from new to old in addition to existing old to new)
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diff changeset
462 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
463 } else {
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parents: 509
diff changeset
464 assert iterateDirection == IterateDirection.FromNewToOld;
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parents: 509
diff changeset
465 rv.addLast(p);
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parents: 509
diff changeset
466 }
507
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diff changeset
467 if (isCopy = fileNode.isCopy()) {
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parents: 490
diff changeset
468 fp = fileNode.getCopySourceName();
508
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diff changeset
469 copyRev = fileNode.getCopySourceRevision();
507
a6435c1a42d0 Test for HgChangesetTreeHandler - make sure nothing is broken prior to adding --follow support
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diff changeset
470 }
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diff changeset
471 } while (isCopy);
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diff changeset
472 return rv;
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diff changeset
473 }
508
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diff changeset
474
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diff changeset
475 private static class TreeBuildInspector implements HgChangelog.ParentInspector, HgChangelog.RevisionInspector {
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diff changeset
476 private final boolean followAncestry;
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477
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478 private HistoryNode[] completeHistory;
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diff changeset
479 private int[] commitRevisions;
509
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
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diff changeset
480 private List<HistoryNode> resultHistory;
508
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diff changeset
481
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diff changeset
482 TreeBuildInspector(boolean _followAncestry) {
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diff changeset
483 followAncestry = _followAncestry;
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484 }
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diff changeset
485
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diff changeset
486 public void next(int revisionNumber, Nodeid revision, int linkedRevision) {
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diff changeset
487 commitRevisions[revisionNumber] = linkedRevision;
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parents: 507
diff changeset
488 }
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diff changeset
489
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diff changeset
490 public void next(int revisionNumber, Nodeid revision, int parent1, int parent2, Nodeid nidParent1, Nodeid nidParent2) {
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diff changeset
491 HistoryNode p1 = null, p2 = null;
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parents: 507
diff changeset
492 if (parent1 != -1) {
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diff changeset
493 p1 = completeHistory[parent1];
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diff changeset
494 }
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diff changeset
495 if (parent2!= -1) {
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diff changeset
496 p2 = completeHistory[parent2];
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diff changeset
497 }
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diff changeset
498 completeHistory[revisionNumber] = new HistoryNode(commitRevisions[revisionNumber], revision, p1, p2);
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parents: 507
diff changeset
499 }
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diff changeset
500
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diff changeset
501 /**
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parents: 507
diff changeset
502 * Builds history of file changes (in natural order, from oldest to newest) up to (and including) file revision specified.
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parents: 507
diff changeset
503 * 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
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parents: 507
diff changeset
504 * lastRevisionIndex would be included.
509
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parents: 508
diff changeset
505 *
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
506 * @return list of history elements, from oldest to newest. In case {@link #followAncestry} is <code>true</code>, the list
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parents: 508
diff changeset
507 * is modifiable (to further augment with last/first elements of renamed file histories)
508
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parents: 507
diff changeset
508 */
509
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
509 List<HistoryNode> go(HgDataFile fileNode, int lastRevisionIndex) throws HgInvalidControlFileException {
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
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parents: 508
diff changeset
510 resultHistory = null;
508
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diff changeset
511 completeHistory = new HistoryNode[lastRevisionIndex+1];
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parents: 507
diff changeset
512 commitRevisions = new int[completeHistory.length];
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parents: 507
diff changeset
513 fileNode.indexWalk(0, lastRevisionIndex, this);
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
514 if (!followAncestry) {
509
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
515 // 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
516 resultHistory = Arrays.asList(completeHistory);
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
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parents: 508
diff changeset
517 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
518 // keep commitRevisions initialized, no need to recalculate them
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
519 // 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
520 return resultHistory;
508
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parents: 507
diff changeset
521 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
522 /*
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
523 * Changesets, newest at the top:
508
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
524 * o <-- cset from working dir parent (as in dirstate), file not changed (file revision recorded points to that from A)
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parents: 507
diff changeset
525 * | x <-- revision with file changed (B')
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parents: 507
diff changeset
526 * x / <-- revision with file changed (A)
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
527 * | x <-- revision with file changed (B)
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
528 * |/
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parents: 507
diff changeset
529 * o <-- another changeset, where file wasn't changed
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parents: 507
diff changeset
530 * |
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
531 * x <-- revision with file changed (C)
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
532 *
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
533 * 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
534 *
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
535 * When "follow", SHALL NOT report B and B', but A and C
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
536 */
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
537 // 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
538 // 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
539 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
540 LinkedList<HistoryNode> queue = new LinkedList<HistoryNode>();
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
541 // look for ancestors of the selected history node
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
542 queue.add(completeHistory[lastRevisionIndex]);
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
543 do {
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
544 HistoryNode withFileChange = queue.removeFirst();
511
122e0600799f Respect multiple joins/forks in a history of a single file
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parents: 510
diff changeset
545 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
546 // 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
547 // 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
548 continue;
122e0600799f Respect multiple joins/forks in a history of a single file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 510
diff changeset
549 }
508
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
550 if (withFileChange.children != null) {
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
551 withFileChange.children.retainAll(strippedHistoryList);
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
552 }
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
553 strippedHistoryList.addFirst(withFileChange);
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
554 if (withFileChange.parent1 != null) {
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
555 queue.addLast(withFileChange.parent1);
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
556 }
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
557 if (withFileChange.parent2 != null) {
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
558 queue.addLast(withFileChange.parent2);
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
559 }
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
560 } while (!queue.isEmpty());
511
122e0600799f Respect multiple joins/forks in a history of a single file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 510
diff changeset
561 Collections.sort(strippedHistoryList, new Comparator<HistoryNode>() {
122e0600799f Respect multiple joins/forks in a history of a single file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 510
diff changeset
562
122e0600799f Respect multiple joins/forks in a history of a single file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 510
diff changeset
563 public int compare(HistoryNode o1, HistoryNode o2) {
122e0600799f Respect multiple joins/forks in a history of a single file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 510
diff changeset
564 return o1.changeset - o2.changeset;
122e0600799f Respect multiple joins/forks in a history of a single file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 510
diff changeset
565 }
122e0600799f Respect multiple joins/forks in a history of a single file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 510
diff changeset
566 });
508
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
567 completeHistory = null;
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
568 commitRevisions = null;
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
569 // collected values are no longer valid - shall
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
570 // strip off elements for missing HistoryNodes, but it's easier just to re-create the array
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
571 // from resultHistory later, once (and if) needed
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
572 return resultHistory = strippedHistoryList;
508
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
573 }
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
574
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
575 /**
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
576 * handy access to all HistoryNode[i].changeset values
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
577 */
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parents: 507
diff changeset
578 int[] getCommitRevisions() {
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
579 if (commitRevisions == 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
580 commitRevisions = new int[resultHistory.size()];
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
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parents: 508
diff changeset
581 int i = 0;
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
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parents: 508
diff changeset
582 for (HistoryNode n : resultHistory) {
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
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parents: 508
diff changeset
583 commitRevisions[i++] = n.changeset;
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
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parents: 508
diff changeset
584 }
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
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parents: 508
diff changeset
585 }
508
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
586 return commitRevisions;
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
587 }
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
588 };
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
589
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
590
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
591 //
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
592
154
ba2bf656f00f Changeset => RawChangeset
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 148
diff changeset
593 public void next(int revisionNumber, Nodeid nodeid, RawChangeset cset) {
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
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parents:
diff changeset
594 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
595 return;
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
596 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
597 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
598 return;
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
599 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
600 if (users != null) {
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
601 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
602 boolean found = false;
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
603 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
604 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
605 found = true;
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
606 break;
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
607 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
608 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
609 if (!found) {
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
610 return;
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
611 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
612 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
613 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
614 // 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
615 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
616 count++;
193
37f3d4a596e4 Use common low to hi-level changeset api transformer
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
617 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
618 }
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
619
432
1fc0da631200 Revlog.ParentWalker helper class got promoted as TLC, renamed to HgParentChildMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 431
diff changeset
620 private HgParentChildMap<HgChangelog> getParentHelper(boolean create) throws HgInvalidControlFileException {
328
a674b8590362 Move file tree history to upper API level
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parents: 322
diff changeset
621 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
622 parentHelper = new HgParentChildMap<HgChangelog>(repo.getChangelog());
195
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
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parents: 193
diff changeset
623 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
624 }
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
625 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
626 }
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
627
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
628
205
ffc5f6d59f7e HgLogCommand.Handler is used in few places, pull up to top-level class, HgChangesetHandler
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 195
diff changeset
629 public static class CollectHandler implements HgChangesetHandler {
129
645829962785 core.Cset renamed to HgChangeset; repo.Changeset moved into HgChangelog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 126
diff changeset
630 private final List<HgChangeset> result = new LinkedList<HgChangeset>();
64
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parents:
diff changeset
631
129
645829962785 core.Cset renamed to HgChangeset; repo.Changeset moved into HgChangelog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 126
diff changeset
632 public List<HgChangeset> getChanges() {
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
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parents:
diff changeset
633 return Collections.unmodifiableList(result);
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
634 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
635
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
636 public void cset(HgChangeset changeset) {
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
637 result.add(changeset.clone());
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
638 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
639 }
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
640
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
641 private static class HistoryNode {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
642 final int changeset;
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diff changeset
643 final Nodeid fileRevision;
509
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
644 HistoryNode parent1; // there's special case when we can alter it, see #bindChild()
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
645 final HistoryNode parent2;
328
a674b8590362 Move file tree history to upper API level
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parents: 322
diff changeset
646 List<HistoryNode> children;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
647
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
648 HistoryNode(int cs, Nodeid revision, HistoryNode p1, HistoryNode p2) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
649 changeset = cs;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
650 fileRevision = revision;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
651 parent1 = p1;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
652 parent2 = p2;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
653 if (p1 != null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
654 p1.addChild(this);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
655 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
656 if (p2 != null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
657 p2.addChild(this);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
658 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
659 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
660
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
661 private void addChild(HistoryNode child) {
328
a674b8590362 Move file tree history to upper API level
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parents: 322
diff changeset
662 if (children == null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
663 children = new ArrayList<HistoryNode>(2);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
664 }
a674b8590362 Move file tree history to upper API level
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parents: 322
diff changeset
665 children.add(child);
a674b8590362 Move file tree history to upper API level
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parents: 322
diff changeset
666 }
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
667
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
668 /**
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
669 * method to merge two history chunks for renamed file so that
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
670 * this node's history continues with that of child
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
671 * @param child
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
672 */
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
673 public void bindChild(HistoryNode child) {
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
674 assert child.parent1 == null && child.parent2 == null;
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
675 // for the last element in history empty children are by construction:
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
676 // we don't iterate further than last element of interest in TreeBuildInspector#go
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
677 assert children == null || children.isEmpty();
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
678 child.parent1 = this;
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
679 addChild(child);
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
680 }
511
122e0600799f Respect multiple joins/forks in a history of a single file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 510
diff changeset
681
122e0600799f Respect multiple joins/forks in a history of a single file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 510
diff changeset
682 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
683 return String.format("<cset:%d, parents: %s, %s>", changeset, parent1 == null ? "-" : String.valueOf(parent1.changeset), parent2 == null ? "-" : String.valueOf(parent2.changeset));
122e0600799f Respect multiple joins/forks in a history of a single file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 510
diff changeset
684 }
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
685 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
686
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
687 private class ElementImpl implements HgChangesetTreeHandler.TreeElement, HgChangelog.Inspector {
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parents: 322
diff changeset
688 private HistoryNode historyNode;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
689 private Pair<HgChangeset, HgChangeset> parents;
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parents: 322
diff changeset
690 private List<HgChangeset> children;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
691 private IntMap<HgChangeset> cachedChangesets;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
692 private ChangesetTransformer.Transformation transform;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
693 private Nodeid changesetRevision;
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parents: 322
diff changeset
694 private Pair<Nodeid,Nodeid> parentRevisions;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
695 private List<Nodeid> childRevisions;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
696
a674b8590362 Move file tree history to upper API level
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parents: 322
diff changeset
697 public ElementImpl(int total) {
a674b8590362 Move file tree history to upper API level
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parents: 322
diff changeset
698 cachedChangesets = new IntMap<HgChangeset>(total);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
699 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
700
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
701 ElementImpl init(HistoryNode n) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
702 historyNode = n;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
703 parents = null;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
704 children = null;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
705 changesetRevision = null;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
706 parentRevisions = null;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
707 childRevisions = null;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
708 return this;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
709 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
710
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
711 public Nodeid fileRevision() {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
712 return historyNode.fileRevision;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
713 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
714
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
715 public HgChangeset changeset() {
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
716 return get(historyNode.changeset)[0];
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
717 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
718
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
719 public Pair<HgChangeset, HgChangeset> parents() {
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
720 if (parents != null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
721 return parents;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
722 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
723 HistoryNode p;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
724 final int p1, p2;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
725 if ((p = historyNode.parent1) != null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
726 p1 = p.changeset;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
727 } else {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
728 p1 = -1;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
729 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
730 if ((p = historyNode.parent2) != null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
731 p2 = p.changeset;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
732 } else {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
733 p2 = -1;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
734 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
735 HgChangeset[] r = get(p1, p2);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
736 return parents = new Pair<HgChangeset, HgChangeset>(r[0], r[1]);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
737 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
738
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
739 public Collection<HgChangeset> children() {
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
740 if (children != null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
741 return children;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
742 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
743 if (historyNode.children == null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
744 children = Collections.emptyList();
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
745 } else {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
746 int[] childrentChangesetNumbers = new int[historyNode.children.size()];
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
747 int j = 0;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
748 for (HistoryNode hn : historyNode.children) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
749 childrentChangesetNumbers[j++] = hn.changeset;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
750 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
751 children = Arrays.asList(get(childrentChangesetNumbers));
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
752 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
753 return children;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
754 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
755
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
756 void populate(HgChangeset cs) {
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
757 cachedChangesets.put(cs.getRevisionIndex(), cs);
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
758 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
759
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
760 private HgChangeset[] get(int... changelogRevisionIndex) {
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
761 HgChangeset[] rv = new HgChangeset[changelogRevisionIndex.length];
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
762 IntVector misses = new IntVector(changelogRevisionIndex.length, -1);
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
763 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
764 if (changelogRevisionIndex[i] == -1) {
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
765 rv[i] = null;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
766 continue;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
767 }
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
768 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
769 if (cached != null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
770 rv[i] = cached;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
771 } else {
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
772 misses.add(changelogRevisionIndex[i]);
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
773 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
774 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
775 if (misses.size() > 0) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
776 final int[] changesets2read = misses.toArray();
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
777 initTransform();
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
778 repo.getChangelog().range(this, changesets2read);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
779 for (int changeset2read : changesets2read) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
780 HgChangeset cs = cachedChangesets.get(changeset2read);
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
781 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
782 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
783 throw t.setRevisionIndex(changeset2read);
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
784 }
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
785 // 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
786 // thus need to find original index
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
787 boolean sanity = false;
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
788 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
789 if (changelogRevisionIndex[i] == cs.getRevisionIndex()) {
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
790 rv[i] = cs;
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
791 sanity = true;
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
792 break;
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
793 }
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
794 }
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
795 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
796 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
797 }
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
798 assert sanity;
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
799 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
800 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
801 return rv;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
802 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
803
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
804 // 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
805 void initTransform() throws HgRuntimeException {
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
806 if (transform == null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
807 transform = new ChangesetTransformer.Transformation(new HgStatusCollector(repo)/*XXX try to reuse from context?*/, getParentHelper(false));
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
808 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
809 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
810
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
811 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
812 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
813 populate(cs.clone());
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
814 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
815
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
816 public Nodeid changesetRevision() {
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
817 if (changesetRevision == null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
818 changesetRevision = getRevision(historyNode.changeset);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
819 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
820 return changesetRevision;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
821 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
822
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
823 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
824 if (parentRevisions == null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
825 HistoryNode p;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
826 final Nodeid p1, p2;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
827 if ((p = historyNode.parent1) != null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
828 p1 = getRevision(p.changeset);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
829 } else {
a674b8590362 Move file tree history to upper API level
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830 p1 = Nodeid.NULL;;
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831 }
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832 if ((p = historyNode.parent2) != null) {
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833 p2 = getRevision(p.changeset);
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834 } else {
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835 p2 = Nodeid.NULL;
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836 }
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837 parentRevisions = new Pair<Nodeid, Nodeid>(p1, p2);
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838 }
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839 return parentRevisions;
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840 }
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841
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
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842 public Collection<Nodeid> childRevisions() {
328
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843 if (childRevisions != null) {
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844 return childRevisions;
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845 }
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846 if (historyNode.children == null) {
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847 childRevisions = Collections.emptyList();
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848 } else {
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849 ArrayList<Nodeid> rv = new ArrayList<Nodeid>(historyNode.children.size());
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850 for (HistoryNode hn : historyNode.children) {
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851 rv.add(getRevision(hn.changeset));
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852 }
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853 childRevisions = Collections.unmodifiableList(rv);
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854 }
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855 return childRevisions;
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diff changeset
856 }
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diff changeset
857
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diff changeset
858 // reading nodeid involves reading index only, guess, can afford not to optimize multiple reads
423
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859 private Nodeid getRevision(int changelogRevisionNumber) {
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diff changeset
860 // TODO post-1.0 pipe through pool
328
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diff changeset
861 HgChangeset cs = cachedChangesets.get(changelogRevisionNumber);
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862 if (cs != null) {
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diff changeset
863 return cs.getNodeid();
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864 } else {
403
2747b0723867 FIXMEs: work on exceptions and javadoc
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diff changeset
865 return repo.getChangelog().getRevision(changelogRevisionNumber);
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866 }
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parents: 322
diff changeset
867 }
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parents: 322
diff changeset
868 }
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
869
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
870 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)
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parents: 509
diff changeset
871 FromOldToNew, FromNewToOld
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 509
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872 }
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
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873 }