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annotate src/org/tmatesoft/hg/core/HgCloneCommand.java @ 530:0f6fa88e2162

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Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Wed, 23 Jan 2013 17:46:12 +0100
parents a41d955dc360
children 95c2f43008bd
rev   line source
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1 /*
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2 * Copyright (c) 2011-2013 TMate Software Ltd
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3 *
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4 * This program is free software; you can redistribute it and/or modify
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5 * it under the terms of the GNU General Public License as published by
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6 * the Free Software Foundation; version 2 of the License.
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7 *
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8 * This program is distributed in the hope that it will be useful,
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9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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11 * GNU General Public License for more details.
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12 *
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13 * For information on how to redistribute this software under
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14 * the terms of a license other than GNU General Public License
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15 * contact TMate Software at support@hg4j.com
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16 */
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17 package org.tmatesoft.hg.core;
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19 import static org.tmatesoft.hg.core.Nodeid.NULL;
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20 import static org.tmatesoft.hg.internal.RequiresFile.*;
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21
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22 import java.io.File;
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23 import java.io.FileOutputStream;
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24 import java.io.IOException;
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25 import java.util.ArrayList;
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26 import java.util.Collections;
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27 import java.util.LinkedList;
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28 import java.util.TreeMap;
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30 import org.tmatesoft.hg.internal.ByteArrayDataAccess;
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31 import org.tmatesoft.hg.internal.DataAccess;
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32 import org.tmatesoft.hg.internal.DigestHelper;
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33 import org.tmatesoft.hg.internal.Lifecycle;
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34 import org.tmatesoft.hg.internal.RepoInitializer;
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35 import org.tmatesoft.hg.internal.RevlogCompressor;
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36 import org.tmatesoft.hg.internal.RevlogStreamWriter;
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37 import org.tmatesoft.hg.repo.HgBundle;
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38 import org.tmatesoft.hg.repo.HgBundle.GroupElement;
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39 import org.tmatesoft.hg.repo.HgInvalidControlFileException;
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40 import org.tmatesoft.hg.repo.HgInvalidFileException;
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41 import org.tmatesoft.hg.repo.HgInvalidStateException;
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42 import org.tmatesoft.hg.repo.HgLookup;
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43 import org.tmatesoft.hg.repo.HgRemoteRepository;
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44 import org.tmatesoft.hg.repo.HgRepository;
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45 import org.tmatesoft.hg.repo.HgRuntimeException;
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46 import org.tmatesoft.hg.util.CancelSupport;
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47 import org.tmatesoft.hg.util.CancelledException;
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48 import org.tmatesoft.hg.util.PathRewrite;
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49 import org.tmatesoft.hg.util.ProgressSupport;
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50
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51 /**
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52 * WORK IN PROGRESS, DO NOT USE
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53 *
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54 * @author Artem Tikhomirov
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55 * @author TMate Software Ltd.
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56 */
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57 public class HgCloneCommand extends HgAbstractCommand<HgCloneCommand> {
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58
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59 private File destination;
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60 private HgRemoteRepository srcRepo;
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61
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62 public HgCloneCommand() {
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63 }
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64
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65 /**
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66 * @param folder location to become root of the repository (i.e. where <em>.hg</em> folder would reside). Either
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67 * shall not exist or be empty otherwise.
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68 * @return <code>this</code> for convenience
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69 */
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70 public HgCloneCommand destination(File folder) {
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71 destination = folder;
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72 return this;
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73 }
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74
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75 public HgCloneCommand source(HgRemoteRepository hgRemote) {
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76 srcRepo = hgRemote;
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77 return this;
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78 }
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79
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80 /**
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81 *
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82 * @return
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83 * @throws HgBadArgumentException
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84 * @throws HgRemoteConnectionException
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85 * @throws HgRepositoryNotFoundException
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86 * @throws HgException
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87 * @throws CancelledException
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88 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
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89 */
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90 public HgRepository execute() throws HgException, CancelledException {
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91 if (destination == null) {
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92 throw new IllegalArgumentException("Destination not set", null);
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93 }
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94 if (srcRepo == null || srcRepo.isInvalid()) {
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95 throw new HgBadArgumentException("Bad source repository", null);
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96 }
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97 if (destination.exists()) {
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98 if (!destination.isDirectory()) {
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99 throw new HgBadArgumentException(String.format("%s is not a directory", destination), null);
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100 } else if (destination.list().length > 0) {
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101 throw new HgBadArgumentException(String.format("%s shall be empty", destination), null);
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102 }
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103 } else {
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104 destination.mkdirs();
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105 }
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106 ProgressSupport progress = getProgressSupport(null);
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107 CancelSupport cancel = getCancelSupport(null, true);
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108 cancel.checkCancelled();
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109 // if cloning remote repo, which can stream and no revision is specified -
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110 // can use 'stream_out' wireproto
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111 //
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112 // pull all changes from the very beginning
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113 // XXX consult getContext() if by any chance has a bundle ready, if not, then read and register
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114 HgBundle completeChanges = srcRepo.getChanges(Collections.singletonList(NULL));
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115 cancel.checkCancelled();
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116 WriteDownMate mate = new WriteDownMate(srcRepo.getSessionContext(), destination, progress, cancel);
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117 try {
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118 // instantiate new repo in the destdir
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119 mate.initEmptyRepository();
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120 // pull changes
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121 completeChanges.inspectAll(mate);
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122 mate.checkFailure();
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123 mate.complete();
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124 } catch (IOException ex) {
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125 throw new HgInvalidFileException(getClass().getName(), ex);
186
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126 } finally {
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127 completeChanges.unlink();
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128 progress.done();
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129 }
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130 return new HgLookup().detect(destination);
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131 }
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132
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133
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134 // 1. process changelog, memorize nodeids to index
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135 // 2. process manifest, using map from step 3, collect manifest nodeids
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136 // 3. process every file, using map from 3, and consult set from step 4 to ensure repo is correct
512
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137 private static class WriteDownMate implements HgBundle.Inspector, Lifecycle {
186
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138 private final File hgDir;
190
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139 private final PathRewrite storagePathHelper;
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140 private final ProgressSupport progressSupport;
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141 private final CancelSupport cancelSupport;
186
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142 private FileOutputStream indexFile;
190
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143 private String filename; // human-readable name of the file being written, for log/exception purposes
186
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144
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145 private final TreeMap<Nodeid, Integer> changelogIndexes = new TreeMap<Nodeid, Integer>();
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146 private boolean collectChangelogIndexes = false;
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147
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148 private DataAccess prevRevContent;
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149 private final DigestHelper dh = new DigestHelper();
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150 private final ArrayList<Nodeid> revisionSequence = new ArrayList<Nodeid>(); // last visited nodes first
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151
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152 private final LinkedList<String> fncacheFiles = new LinkedList<String>();
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153 private RepoInitializer repoInit;
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154 private Lifecycle.Callback lifecycleCallback;
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155 private CancelledException cancelException;
186
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156
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157 public WriteDownMate(SessionContext ctx, File destDir, ProgressSupport progress, CancelSupport cancel) {
186
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158 hgDir = new File(destDir, ".hg");
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159 repoInit = new RepoInitializer();
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160 repoInit.setRequires(STORE | FNCACHE | DOTENCODE);
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161 storagePathHelper = repoInit.buildDataFilesHelper(ctx);
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162 progressSupport = progress;
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163 cancelSupport = cancel;
186
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164 }
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165
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166 public void initEmptyRepository() throws IOException {
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167 repoInit.initEmptyRepository(hgDir);
186
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168 }
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169
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170 public void complete() throws IOException {
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171 FileOutputStream fncacheFile = new FileOutputStream(new File(hgDir, "store/fncache"));
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172 for (String s : fncacheFiles) {
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173 fncacheFile.write(s.getBytes());
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174 fncacheFile.write(0x0A); // http://mercurial.selenic.com/wiki/fncacheRepoFormat
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175 }
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176 fncacheFile.close();
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177 }
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178
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179 public void changelogStart() {
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180 try {
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181 revlogHeader.offset(0).baseRevision(-1);
186
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182 revisionSequence.clear();
190
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183 indexFile = new FileOutputStream(new File(hgDir, filename = "store/00changelog.i"));
186
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184 collectChangelogIndexes = true;
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185 } catch (IOException ex) {
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186 throw new HgInvalidControlFileException("Failed to write changelog", ex, new File(filename));
186
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187 }
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188 stopIfCancelled();
186
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189 }
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190
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191 public void changelogEnd() {
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192 try {
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193 if (prevRevContent != null) {
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194 prevRevContent.done();
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195 prevRevContent = null;
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196 }
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197 collectChangelogIndexes = false;
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198 indexFile.close();
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199 indexFile = null;
190
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200 filename = null;
186
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201 } catch (IOException ex) {
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202 throw new HgInvalidControlFileException("Failed to write changelog", ex, new File(filename));
186
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203 }
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204 progressSupport.worked(1);
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205 stopIfCancelled();
186
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206 }
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207
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208 public void manifestStart() {
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209 try {
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210 revlogHeader.offset(0).baseRevision(-1);
186
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211 revisionSequence.clear();
190
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212 indexFile = new FileOutputStream(new File(hgDir, filename = "store/00manifest.i"));
186
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213 } catch (IOException ex) {
423
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214 throw new HgInvalidControlFileException("Failed to write manifest", ex, new File(filename));
186
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215 }
513
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216 stopIfCancelled();
186
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217 }
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218
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219 public void manifestEnd() {
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220 try {
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221 if (prevRevContent != null) {
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222 prevRevContent.done();
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223 prevRevContent = null;
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224 }
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225 indexFile.close();
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226 indexFile = null;
190
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227 filename = null;
186
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228 } catch (IOException ex) {
423
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229 throw new HgInvalidControlFileException("Failed to write changelog", ex, new File(filename));
186
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230 }
513
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231 progressSupport.worked(1);
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232 stopIfCancelled();
186
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233 }
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234
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235 public void fileStart(String name) {
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236 try {
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237 revlogHeader.offset(0).baseRevision(-1);
186
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238 revisionSequence.clear();
418
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239 fncacheFiles.add("data/" + name + ".i"); // TODO post-1.0 this is pure guess,
186
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240 // need to investigate more how filenames are kept in fncache
292
a415fe296a50 Refactor PathRewrite to accept any char sequence, not only string
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241 File file = new File(hgDir, filename = storagePathHelper.rewrite(name).toString());
186
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242 file.getParentFile().mkdirs();
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243 indexFile = new FileOutputStream(file);
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244 } catch (IOException ex) {
423
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245 String m = String.format("Failed to write file %s", filename);
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246 throw new HgInvalidControlFileException(m, ex, new File(filename));
186
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247 }
513
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248 stopIfCancelled();
186
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249 }
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250
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251 public void fileEnd(String name) {
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252 try {
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253 if (prevRevContent != null) {
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254 prevRevContent.done();
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255 prevRevContent = null;
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256 }
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257 indexFile.close();
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258 indexFile = null;
190
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259 filename = null;
186
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260 } catch (IOException ex) {
423
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261 String m = String.format("Failed to write file %s", filename);
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262 throw new HgInvalidControlFileException(m, ex, new File(filename));
186
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263 }
513
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diff changeset
264 progressSupport.worked(1);
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265 stopIfCancelled();
186
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266 }
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267
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268 private int knownRevision(Nodeid p) {
274
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269 if (p.isNull()) {
186
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270 return -1;
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271 } else {
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272 for (int i = revisionSequence.size() - 1; i >= 0; i--) {
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273 if (revisionSequence.get(i).equals(p)) {
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274 return i;
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275 }
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276 }
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277 }
423
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278 String m = String.format("Can't find index of %s for file %s", p.shortNotation(), filename);
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279 throw new HgInvalidControlFileException(m, null, null).setRevision(p);
186
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280 }
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281
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282 private RevlogStreamWriter.HeaderWriter revlogHeader = new RevlogStreamWriter.HeaderWriter(true);
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283 private RevlogCompressor revlogDataZip = new RevlogCompressor();
186
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284
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285 public boolean element(GroupElement ge) {
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286 try {
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287 assert indexFile != null;
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288 boolean writeComplete = false;
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289 Nodeid p1 = ge.firstParent();
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290 Nodeid p2 = ge.secondParent();
274
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diff changeset
291 if (p1.isNull() && p2.isNull() /* or forced flag, does REVIDX_PUNCHED_FLAG indicate that? */) {
530
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292 // FIXME NOTE, both parents isNull == true doesn't necessarily mean
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293 // empty prevContent, see build.gradle sample below
186
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294 prevRevContent = new ByteArrayDataAccess(new byte[0]);
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295 writeComplete = true;
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296 }
358
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diff changeset
297 byte[] content = ge.apply(prevRevContent.byteArray());
186
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298 byte[] calculated = dh.sha1(p1, p2, content).asBinary();
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299 final Nodeid node = ge.node();
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300 if (!node.equalsTo(calculated)) {
423
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diff changeset
301 // TODO post-1.0 custom exception ChecksumCalculationFailed?
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302 throw new HgInvalidStateException(String.format("Checksum failed: expected %s, calculated %s. File %s", node, calculated, filename));
186
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303 }
530
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304 revlogHeader.nodeid(node);
186
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305 if (collectChangelogIndexes) {
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306 changelogIndexes.put(node, revisionSequence.size());
530
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307 revlogHeader.linkRevision(revisionSequence.size());
186
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308 } else {
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diff changeset
309 Integer csRev = changelogIndexes.get(ge.cset());
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310 if (csRev == null) {
423
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diff changeset
311 throw new HgInvalidStateException(String.format("Changelog doesn't contain revision %s of %s", ge.cset().shortNotation(), filename));
186
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312 }
530
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diff changeset
313 revlogHeader.linkRevision(csRev.intValue());
186
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314 }
530
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
315 revlogHeader.parents(knownRevision(p1), knownRevision(p2));
358
fc8bc2f1edbe Clean internal classes from public API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
316 byte[] patchContent = ge.rawDataByteArray();
fc8bc2f1edbe Clean internal classes from public API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
317 writeComplete = writeComplete || patchContent.length >= (/* 3/4 of actual */content.length - (content.length >>> 2));
186
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
318 if (writeComplete) {
530
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
319 revlogHeader.baseRevision(revisionSequence.size());
186
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
320 }
358
fc8bc2f1edbe Clean internal classes from public API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
321 final byte[] sourceData = writeComplete ? content : patchContent;
530
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
322 revlogDataZip.reset(sourceData);
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
323 final int compressedLen;
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
324 final boolean useUncompressedData = revlogDataZip.getCompressedLengthEstimate() >= (sourceData.length - (sourceData.length >>> 2));
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
325 if (useUncompressedData) {
186
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
326 // compression wasn't too effective,
530
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
327 compressedLen = sourceData.length + 1 /*1 byte for 'u' - uncompressed prefix byte*/;
186
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
328 } else {
530
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
329 compressedLen= revlogDataZip.getCompressedLengthEstimate();
186
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
330 }
530
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
331
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
332 revlogHeader.length(content.length, compressedLen);
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
333
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
334 revlogHeader.write(indexFile);
186
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
335
530
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
336 if (useUncompressedData) {
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
337 indexFile.write((byte) 'u');
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
338 indexFile.write(sourceData);
186
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
339 } else {
530
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
340 int actualCompressedLenWritten = revlogDataZip.writeCompressedData(indexFile);
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
341 if (actualCompressedLenWritten != compressedLen) {
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
342 throw new HgInvalidStateException(String.format("Expected %d bytes of compressed data, but actually wrote %d in %s", compressedLen, actualCompressedLenWritten, filename));
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
343 }
186
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
344 }
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
345 //
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
346 revisionSequence.add(node);
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
347 prevRevContent.done();
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
348 prevRevContent = new ByteArrayDataAccess(content);
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
349 } catch (IOException ex) {
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: 418
diff changeset
350 String m = String.format("Failed to write revision %s of file %s", ge.node().shortNotation(), filename);
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: 418
diff changeset
351 throw new HgInvalidControlFileException(m, ex, new File(filename));
186
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
352 }
513
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 512
diff changeset
353 return cancelException == null;
186
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
354 }
530
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
355 /*
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
356 $ hg debugindex build.gradle
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
357 rev offset length base linkrev nodeid p1 p2
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
358 0 0 857 0 454 b2a1b20d1933 000000000000 000000000000
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
359 1 857 319 0 455 5324c8f2b550 b2a1b20d1933 000000000000
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
360 2 1176 533 0 460 4011d52141cd 5324c8f2b550 000000000000
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
361 3 1709 85 0 463 d0be58845306 4011d52141cd 000000000000
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
362 4 1794 105 0 464 3ddd456244a0 d0be58845306 000000000000
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
363 5 1899 160 0 466 a3f374fbf33a 3ddd456244a0 000000000000
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
364 6 2059 133 0 468 0227d28e0db6 a3f374fbf33a 000000000000
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
365
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
366 once we get a bundle for this repository and look into it for the same file:
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
367
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
368 $hg debugbundle -a /tmp/hg-bundle-4418325145435980614.tmp
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
369 format: id, p1, p2, cset, delta base, len(delta)
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
370
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
371 build.gradle
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
372 62a101b7994c6c5b0423ba6c802f8c64d24ef784 0000000000000000000000000000000000000000 0000000000000000000000000000000000000000 6ec4af642ba8024edd636af15e672c97cc3294e4 0000000000000000000000000000000000000000 1368
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
373 b2a1b20d1933d0605aab6780ee52fe5ab3073832 0000000000000000000000000000000000000000 0000000000000000000000000000000000000000 7dcc920e2d57d5850ee9f08ac863251460565bd3 62a101b7994c6c5b0423ba6c802f8c64d24ef784 2373
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
374 5324c8f2b5503a4d1ead3ac40a9851c27572166b b2a1b20d1933d0605aab6780ee52fe5ab3073832 0000000000000000000000000000000000000000 7b883bf03b14ccea8ee74db0a34f9f66ca644a3c b2a1b20d1933d0605aab6780ee52fe5ab3073832 579
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
375 4011d52141cd717c92cbf350a93522d2f3ee415e 5324c8f2b5503a4d1ead3ac40a9851c27572166b 0000000000000000000000000000000000000000 55e9588b84b83aa96fe76a06ee8bf067c5d3c90e 5324c8f2b5503a4d1ead3ac40a9851c27572166b 1147
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
376 d0be588453068787dcb3ee05f8edfe47fdd5ae78 4011d52141cd717c92cbf350a93522d2f3ee415e 0000000000000000000000000000000000000000 ad0322a4af204547c400e1846b2b83d446ab8da5 4011d52141cd717c92cbf350a93522d2f3ee415e 85
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
377 3ddd456244a08f81779163d9faf922a6dcd9e53e d0be588453068787dcb3ee05f8edfe47fdd5ae78 0000000000000000000000000000000000000000 3ace1fc95d0a1a941b6427c60b6e624f96dd71ad d0be588453068787dcb3ee05f8edfe47fdd5ae78 151
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
378 a3f374fbf33aba1cc3b4f472db022b5185880f5d 3ddd456244a08f81779163d9faf922a6dcd9e53e 0000000000000000000000000000000000000000 3ca4ae7bdd3890b8ed89bfea1b42af593e04b373 3ddd456244a08f81779163d9faf922a6dcd9e53e 195
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
379 0227d28e0db69afebee34cd5a4151889fb6271da a3f374fbf33aba1cc3b4f472db022b5185880f5d 0000000000000000000000000000000000000000 31bd09da0dcfe48e1fc662143f91ff402238aa84 a3f374fbf33aba1cc3b4f472db022b5185880f5d 145
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
380
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
381 but there's no delta base information in the bundle file, it's merely a hard-coded convention (always patches previous version, see
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
382 (a) changegroup.py#builddeltaheader(): # do nothing with basenode, it is implicitly the previous one in HG10
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
383 (b) revlog.py#group(): prev, curr = revs[r], revs[r + 1]
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
384 for c in bundler.revchunk(self, curr, prev):
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
385 )
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
386
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
387
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
388 It's unclear where the first chunk (identified 62a101b7...) comes from (by the way, there's no such changeset as 6ec4af... as specified in the chunk, while 7dcc920e.. IS changeset 454)
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
389
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
390 EXPLANATION:
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
391 if cloned repository comes from svnkit repo (where's the gradle branch):
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
392 $hg debugindex build.gradle
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
393 rev offset length base linkrev nodeid p1 p2
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
394 0 0 590 0 213 62a101b7994c 000000000000 000000000000
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
395 1 590 872 0 452 b2a1b20d1933 000000000000 000000000000
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
396 2 1462 319 0 453 5324c8f2b550 b2a1b20d1933 000000000000
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
397 3 1781 533 0 459 4011d52141cd 5324c8f2b550 000000000000
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
398 4 2314 85 0 462 d0be58845306 4011d52141cd 000000000000
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
399 5 2399 105 0 466 3ddd456244a0 d0be58845306 000000000000
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
400 6 2504 160 0 468 a3f374fbf33a 3ddd456244a0 000000000000
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
401 7 2664 133 0 470 0227d28e0db6 a3f374fbf33a 000000000000
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
diff changeset
402
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
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parents: 513
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403 and the aforementioned bundle was result of hg incoming svnkit!!!
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 513
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404 */
512
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
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405
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
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406 public void start(int count, Callback callback, Object token) {
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
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407 progressSupport.start(count);
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
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408 lifecycleCallback = callback;
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
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409 }
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
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410
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
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411 public void finish(Object token) {
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
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412 progressSupport.done();
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
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413 lifecycleCallback = null;
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
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414 }
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
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415
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
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416 public void checkFailure() throws CancelledException {
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
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417 if (cancelException != null) {
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
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418 throw cancelException;
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
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419 }
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
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420 }
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
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421
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
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422 private void stopIfCancelled() {
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
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423 try {
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
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424 cancelSupport.checkCancelled();
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
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425 return;
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
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426 } catch (CancelledException ex) {
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
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427 cancelException = ex;
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
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428 lifecycleCallback.stop();
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
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429 }
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
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430 }
186
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
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431 }
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
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432 }