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annotate src/org/tmatesoft/hg/repo/HgRepository.java @ 497:02140be396d5

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Issue 38. Towards gentle handling of config files - parse them and keep every possible user change
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Thu, 25 Oct 2012 19:59:08 +0200
parents ba36f66c32b4
children d2f6ab541330
rev   line source
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382cfe9463db Dirstate parsing. DataAccess refactored to allow reuse and control over constants
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1 /*
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2 * Copyright (c) 2010-2012 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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a3a2e5deb320 Updated contact address to support@hg4j.com
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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.repo;
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19 import static org.tmatesoft.hg.repo.HgRepositoryFiles.*;
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20 import static org.tmatesoft.hg.util.LogFacility.Severity.*;
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22 import java.io.File;
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23 import java.io.FileReader;
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24 import java.io.IOException;
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25 import java.io.StringReader;
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26 import java.lang.ref.SoftReference;
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27 import java.nio.CharBuffer;
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28 import java.util.ArrayList;
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29 import java.util.Collections;
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30 import java.util.HashMap;
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31 import java.util.List;
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33 import org.tmatesoft.hg.core.Nodeid;
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34 import org.tmatesoft.hg.core.SessionContext;
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35 import org.tmatesoft.hg.internal.ByteArrayChannel;
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36 import org.tmatesoft.hg.internal.ConfigFile;
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37 import org.tmatesoft.hg.internal.Experimental;
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38 import org.tmatesoft.hg.internal.Filter;
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39 import org.tmatesoft.hg.internal.Internals;
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40 import org.tmatesoft.hg.internal.RevlogStream;
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41 import org.tmatesoft.hg.internal.SubrepoManager;
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42 import org.tmatesoft.hg.util.CancelledException;
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43 import org.tmatesoft.hg.util.Pair;
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44 import org.tmatesoft.hg.util.Path;
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45 import org.tmatesoft.hg.util.PathRewrite;
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46 import org.tmatesoft.hg.util.ProgressSupport;
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50 /**
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51 * Shall be as state-less as possible, all the caching happens outside the repo, in commands/walkers
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52 *
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53 * @author Artem Tikhomirov
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54 * @author TMate Software Ltd.
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55 */
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56 public final class HgRepository implements SessionContext.Source {
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58 // IMPORTANT: if new constants added, consider fixing HgInternals#wrongRevisionIndex and HgInvalidRevisionException#getMessage
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60 /**
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61 * Revision index constant to indicate most recent revision
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62 */
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63 public static final int TIP = -3; // XXX TIP_REVISION?
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65 /**
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66 * Revision index constant to indicate invalid revision index value.
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67 * Primary use is default/uninitialized values where user input is expected and as return value where
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68 * an exception (e.g. {@link HgInvalidRevisionException}) is not desired
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69 */
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70 public static final int BAD_REVISION = Integer.MIN_VALUE; // XXX INVALID_REVISION?
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72 /**
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73 * Revision index constant to indicate working copy
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74 */
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75 public static final int WORKING_COPY = -2; // XXX WORKING_COPY_REVISION?
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77 /**
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78 * Constant ({@value #NO_REVISION}) to indicate revision absence or a fictitious revision of an empty repository.
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79 *
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80 * <p>Revision absence is vital e.g. for missing parent from {@link HgChangelog#parents(int, int[], byte[], byte[])} call and
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81 * to report cases when changeset records no corresponding manifest
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82 * revision {@link HgManifest#walk(int, int, org.tmatesoft.hg.repo.HgManifest.Inspector)}.
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83 *
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84 * <p> Use as imaginary revision/empty repository is handy as an argument (contrary to {@link #BAD_REVISION})
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85 * e.g in a status operation to visit changes from the very beginning of a repository.
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86 */
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87 public static final int NO_REVISION = -1;
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89 /**
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90 * Name of the primary branch, "default".
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91 */
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92 public static final String DEFAULT_BRANCH_NAME = "default";
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94 // temp aux marker method
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95 public static IllegalStateException notImplemented() {
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96 return new IllegalStateException("Not implemented");
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97 }
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99 private final File repoDir; // .hg folder
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100 private final File workingDir; // .hg/../
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101 private final String repoLocation;
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102 /*
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103 * normalized slashes but otherwise regular file names
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104 * the only front-end path rewrite, kept here as rest of the library shall
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105 * not bother with names normalization.
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106 */
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107 private final PathRewrite normalizePath;
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108 private final SessionContext sessionContext;
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110 private HgChangelog changelog;
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111 private HgManifest manifest;
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112 private HgTags tags;
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113 private HgBranches branches;
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114 private HgMergeState mergeState;
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115 private SubrepoManager subRepos;
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116 private HgBookmarks bookmarks;
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117
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118 // XXX perhaps, shall enable caching explicitly
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119 private final HashMap<Path, SoftReference<RevlogStream>> streamsCache = new HashMap<Path, SoftReference<RevlogStream>>();
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120
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121 private final org.tmatesoft.hg.internal.Internals impl;
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122 private HgIgnore ignore;
331
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123 private HgRepoConfig repoConfig;
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124
430
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125 /*
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126 * TODO [post-1.0] move to a better place, e.g. WorkingCopy container that tracks both dirstate and branches
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127 * (and, perhaps, undo, lastcommit and other similar information), and is change listener so that we don't need to
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128 * worry about this cached value become stale
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129 */
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130 private String wcBranch;
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131
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132
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133 HgRepository(String repositoryPath) {
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134 repoDir = null;
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135 workingDir = null;
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136 repoLocation = repositoryPath;
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137 normalizePath = null;
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138 sessionContext = null;
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139 impl = null;
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140 }
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141
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142 /**
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143 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
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144 */
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145 HgRepository(SessionContext ctx, String repositoryPath, File repositoryRoot) throws HgRuntimeException {
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146 assert ".hg".equals(repositoryRoot.getName()) && repositoryRoot.isDirectory();
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147 assert repositoryPath != null;
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148 assert repositoryRoot != null;
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149 assert ctx != null;
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150 repoDir = repositoryRoot;
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151 workingDir = repoDir.getParentFile();
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152 if (workingDir == null) {
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153 throw new IllegalArgumentException(repoDir.toString());
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154 }
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155 repoLocation = repositoryPath;
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156 sessionContext = ctx;
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157 impl = new org.tmatesoft.hg.internal.Internals(this, repositoryRoot);
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158 normalizePath = impl.buildNormalizePathRewrite();
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159 }
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160
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161 @Override
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162 public String toString() {
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163 return getClass().getSimpleName() + "[" + getLocation() + (isInvalid() ? "(BAD)" : "") + "]";
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164 }
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165
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166 /**
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167 * Path to repository which has been used to initialize this instance. The value is always present, even
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168 * if no repository has been found at that location ({@link #isInvalid()} is <code>true</code>) and serves
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169 * as an extra description of the failure.
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170 *
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171 * <p> It's important to understand this is purely descriptive attribute, it's kept as close as possible to
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172 * original value users supply to {@link HgLookup}. To get actual repository location, use methods that
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173 * provide {@link File}, e.g. {@link #getWorkingDir()}
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174 *
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175 * @return repository location information, never <code>null</code>
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176 */
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177 public String getLocation() {
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178 return repoLocation;
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179 }
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180
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181 public boolean isInvalid() {
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182 return impl == null || impl.isInvalid();
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183 }
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184
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185 public HgChangelog getChangelog() {
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186 if (changelog == null) {
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187 File chlogFile = impl.getFileFromStoreDir("00changelog.i");
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188 if (!chlogFile.exists()) {
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189 // fake its existence
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190 chlogFile = fakeNonExistentFile(chlogFile);
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191 }
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192 RevlogStream content = new RevlogStream(impl.getDataAccess(), chlogFile);
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193 changelog = new HgChangelog(this, content);
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194 }
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195 return changelog;
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196 }
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197
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198 public HgManifest getManifest() {
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199 if (manifest == null) {
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200 File manifestFile = impl.getFileFromStoreDir("00manifest.i");
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201 if (!manifestFile.exists()) {
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202 manifestFile = fakeNonExistentFile(manifestFile);
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203 }
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204 RevlogStream content = new RevlogStream(impl.getDataAccess(), manifestFile);
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205 manifest = new HgManifest(this, content, impl.buildFileNameEncodingHelper());
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206 }
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207 return manifest;
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208 }
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209
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210 /**
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211 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
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212 */
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213 public HgTags getTags() throws HgInvalidControlFileException {
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214 if (tags == null) {
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215 tags = new HgTags(this);
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216 HgDataFile hgTags = getFileNode(HgTags.getPath());
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217 if (hgTags.exists()) {
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218 for (int i = 0; i <= hgTags.getLastRevision(); i++) { // TODO post-1.0 in fact, would be handy to have walk(start,end)
318
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219 // method for data files as well, though it looks odd.
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220 try {
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221 ByteArrayChannel sink = new ByteArrayChannel();
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222 hgTags.content(i, sink);
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223 final String content = new String(sink.toArray(), "UTF8");
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224 tags.readGlobal(new StringReader(content));
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225 } catch (CancelledException ex) {
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226 // IGNORE, can't happen, we did not configure cancellation
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227 getSessionContext().getLog().dump(getClass(), Debug, ex, null);
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228 } catch (IOException ex) {
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229 // UnsupportedEncodingException can't happen (UTF8)
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230 // only from readGlobal. Need to reconsider exceptions thrown from there:
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231 // BufferedReader wraps String and unlikely to throw IOException, perhaps, log is enough?
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232 getSessionContext().getLog().dump(getClass(), Error, ex, null);
318
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233 // XXX need to decide what to do this. failure to read single revision shall not break complete cycle
234
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234 }
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235 }
318
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236 }
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237 File file2read = null;
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238 try {
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239 file2read = new File(getWorkingDir(), HgTags.getPath());
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240 tags.readGlobal(file2read); // XXX replace with HgDataFile.workingCopy
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241 file2read = impl.getFileFromRepoDir(HgLocalTags.getName()); // XXX pass internalrepo to readLocal, keep filename there
318
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242 tags.readLocal(file2read);
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243 } catch (IOException ex) {
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244 getSessionContext().getLog().dump(getClass(), Error, ex, null);
318
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245 throw new HgInvalidControlFileException("Failed to read tags", ex, file2read);
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246 }
50
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247 }
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248 return tags;
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249 }
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250
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251 /**
484
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252 * Access branch information
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253 * @return branch manager instance, never <code>null</code>
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254 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
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255 */
366
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256 public HgBranches getBranches() throws HgInvalidControlFileException {
220
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257 if (branches == null) {
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258 branches = new HgBranches(impl);
220
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259 branches.collect(ProgressSupport.Factory.get(null));
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260 }
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261 return branches;
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262 }
231
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263
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264 /**
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265 * Access state of the recent merge
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266 * @return merge state facility, never <code>null</code>
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267 */
231
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268 public HgMergeState getMergeState() {
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269 if (mergeState == null) {
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270 mergeState = new HgMergeState(impl);
231
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271 }
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272 return mergeState;
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273 }
220
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274
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275 public HgDataFile getFileNode(String path) {
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276 CharSequence nPath = normalizePath.rewrite(path);
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277 Path p = Path.create(nPath);
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278 return getFileNode(p);
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279 }
1
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280
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281 public HgDataFile getFileNode(Path path) {
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282 RevlogStream content = resolveStoreFile(path);
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283 if (content == null) {
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284 return new HgDataFile(this, path);
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285 }
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286 return new HgDataFile(this, path, content);
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287 }
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288
142
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289 /* clients need to rewrite path from their FS to a repository-friendly paths, and, perhaps, vice versa*/
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290 public PathRewrite getToRepoPathHelper() {
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291 return normalizePath;
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292 }
284
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293
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294 /**
348
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295 * @return pair of values, {@link Pair#first()} and {@link Pair#second()} are respective parents, never <code>null</code>.
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296 * @throws HgInvalidControlFileException if attempt to read information about working copy parents from dirstate failed
284
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297 */
348
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298 public Pair<Nodeid,Nodeid> getWorkingCopyParents() throws HgInvalidControlFileException {
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299 return HgDirstate.readParents(impl);
235
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300 }
252
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301
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302 /**
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303 * @return name of the branch associated with working directory, never <code>null</code>.
348
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304 * @throws HgInvalidControlFileException if attempt to read branch name failed.
252
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305 */
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306 public String getWorkingCopyBranchName() throws HgInvalidControlFileException {
430
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diff changeset
307 if (wcBranch == null) {
490
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diff changeset
308 wcBranch = HgDirstate.readBranch(impl);
430
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diff changeset
309 }
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diff changeset
310 return wcBranch;
252
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311 }
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312
237
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313 /**
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diff changeset
314 * @return location where user files (shall) reside
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315 */
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diff changeset
316 public File getWorkingDir() {
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317 return workingDir;
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318 }
239
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319
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320 /**
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321 * Provides access to sub-repositories defined in this repository. Enumerated sub-repositories are those directly
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322 * known, not recursive collection of all nested sub-repositories.
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323 * @return list of all known sub-repositories in this repository, or empty list if none found.
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324 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
239
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325 */
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326 public List<HgSubrepoLocation> getSubrepositories() throws HgInvalidControlFileException {
239
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327 if (subRepos == null) {
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328 subRepos = new SubrepoManager(this);
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329 subRepos.read();
239
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330 }
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331 return subRepos.all();
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332 }
237
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333
331
a37ce7145c3f Access to repository configuration
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334
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335 public HgRepoConfig getConfiguration() /* XXX throws HgInvalidControlFileException? Description of the exception suggests it is only for files under ./hg/*/ {
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336 if (repoConfig == null) {
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diff changeset
337 try {
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diff changeset
338 ConfigFile configFile = impl.readConfiguration();
331
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339 repoConfig = new HgRepoConfig(configFile);
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diff changeset
340 } catch (IOException ex) {
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341 String m = "Errors while reading user configuration file";
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diff changeset
342 getSessionContext().getLog().dump(getClass(), Warn, ex, m);
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343 return new HgRepoConfig(new ConfigFile(getSessionContext())); // empty config, do not cache, allow to try once again
331
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344 //throw new HgInvalidControlFileException(m, ex, null);
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345 }
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346 }
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347 return repoConfig;
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348 }
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diff changeset
349
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350 // XXX package-local, unless there are cases when required from outside (guess, working dir/revision walkers may hide dirstate access and no public visibility needed)
280
35125450c804 Erroneous and slow status for working copies based on non-tip revision
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diff changeset
351 // XXX consider passing Path pool or factory to produce (shared) Path instead of Strings
431
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diff changeset
352 /*package-local*/ final HgDirstate loadDirstate(Path.Source pathFactory) throws HgInvalidControlFileException {
292
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353 PathRewrite canonicalPath = null;
388
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354 if (!impl.isCaseSensitiveFileSystem()) {
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diff changeset
355 canonicalPath = new PathRewrite() {
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356
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357 public CharSequence rewrite(CharSequence path) {
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358 return path.toString().toLowerCase();
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359 }
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360 };
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361 }
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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)
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362 HgDirstate ds = new HgDirstate(impl, pathFactory, canonicalPath);
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363 ds.read();
348
a0864b2892cd Expose errors reading mercurial control files with exception
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diff changeset
364 return ds;
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6f1b88693d48 Complete refactoring to org.tmatesoft
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365 }
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366
289
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367 /**
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368 * Access to configured set of ignored files.
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369 * @see HgIgnore#isIgnored(Path)
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370 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
289
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371 */
482
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372 public HgIgnore getIgnore() throws HgInvalidControlFileException {
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373 // TODO read config for additional locations
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374 if (ignore == null) {
409
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375 ignore = new HgIgnore(getToRepoPathHelper());
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376 File ignoreFile = new File(getWorkingDir(), HgIgnore.getPath());
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377 try {
335
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378 final List<String> errors = ignore.read(ignoreFile);
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379 if (errors != null) {
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380 getSessionContext().getLog().dump(getClass(), Warn, "Syntax errors parsing %s:\n%s", ignoreFile.getName(), Internals.join(errors, ",\n"));
335
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381 }
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382 } catch (IOException ex) {
482
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383 final String m = String.format("Error reading %s file", ignoreFile);
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384 throw new HgInvalidControlFileException(m, ex, ignoreFile);
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385 }
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386 }
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387 return ignore;
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388 }
482
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diff changeset
389
481
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390 /**
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391 * Mercurial saves message user has supplied for a commit to facilitate message re-use in case commit fails.
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392 * This method provides this saved message.
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393 *
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394 * @return message used for last commit attempt, or <code>null</code> if none
482
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395 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
481
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diff changeset
396 */
482
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diff changeset
397 public String getCommitLastMessage() throws HgInvalidControlFileException {
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)
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diff changeset
398 File lastMessage = impl.getFileFromRepoDir(LastMessage.getPath());
481
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diff changeset
399 if (!lastMessage.canRead()) {
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diff changeset
400 return null;
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diff changeset
401 }
a458f9fb00ce Access to user-supplied message of last commit
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diff changeset
402 FileReader fr = null;
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diff changeset
403 try {
a458f9fb00ce Access to user-supplied message of last commit
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diff changeset
404 fr = new FileReader(lastMessage);
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diff changeset
405 CharBuffer cb = CharBuffer.allocate(Internals.ltoi(lastMessage.length()));
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diff changeset
406 fr.read(cb);
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diff changeset
407 return cb.flip().toString();
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diff changeset
408 } catch (IOException ex) {
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diff changeset
409 throw new HgInvalidControlFileException("Can't retrieve message of last commit attempt", ex, lastMessage);
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diff changeset
410 } finally {
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diff changeset
411 if (fr != null) {
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diff changeset
412 try {
a458f9fb00ce Access to user-supplied message of last commit
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diff changeset
413 fr.close();
a458f9fb00ce Access to user-supplied message of last commit
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diff changeset
414 } catch (IOException ex) {
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)
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diff changeset
415 getSessionContext().getLog().dump(getClass(), Warn, "Failed to close %s after read", lastMessage);
481
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diff changeset
416 }
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parents: 471
diff changeset
417 }
a458f9fb00ce Access to user-supplied message of last commit
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parents: 471
diff changeset
418 }
a458f9fb00ce Access to user-supplied message of last commit
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 471
diff changeset
419 }
486
d740edfff563 Provisional support for Mercurial lock mechanism
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diff changeset
420
487
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
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diff changeset
421 private HgRepositoryLock wdLock, storeLock;
486
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diff changeset
422
d740edfff563 Provisional support for Mercurial lock mechanism
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diff changeset
423 /**
d740edfff563 Provisional support for Mercurial lock mechanism
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diff changeset
424 * PROVISIONAL CODE, DO NOT USE
d740edfff563 Provisional support for Mercurial lock mechanism
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diff changeset
425 *
d740edfff563 Provisional support for Mercurial lock mechanism
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diff changeset
426 * Access repository lock that covers non-store parts of the repository (dirstate, branches, etc -
d740edfff563 Provisional support for Mercurial lock mechanism
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parents: 484
diff changeset
427 * everything that has to do with working directory state).
d740edfff563 Provisional support for Mercurial lock mechanism
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diff changeset
428 *
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diff changeset
429 * Note, the lock object returned merely gives access to lock mechanism. NO ACTUAL LOCKING IS DONE.
487
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
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diff changeset
430 * Use {@link HgRepositoryLock#acquire()} to actually lock the repository.
486
d740edfff563 Provisional support for Mercurial lock mechanism
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diff changeset
431 *
d740edfff563 Provisional support for Mercurial lock mechanism
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diff changeset
432 * @return lock object, never <code>null</code>
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diff changeset
433 */
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diff changeset
434 @Experimental(reason="WORK IN PROGRESS")
487
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
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diff changeset
435 public HgRepositoryLock getWorkingDirLock() {
486
d740edfff563 Provisional support for Mercurial lock mechanism
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diff changeset
436 if (wdLock == null) {
487
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
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diff changeset
437 int timeout = getLockTimeout();
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)
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diff changeset
438 File lf = impl.getFileFromRepoDir("wlock");
486
d740edfff563 Provisional support for Mercurial lock mechanism
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diff changeset
439 synchronized (this) {
d740edfff563 Provisional support for Mercurial lock mechanism
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diff changeset
440 if (wdLock == null) {
488
45b3b6ca046f Repository locking mechanism is alive
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diff changeset
441 wdLock = new HgRepositoryLock(lf, timeout);
486
d740edfff563 Provisional support for Mercurial lock mechanism
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diff changeset
442 }
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diff changeset
443 }
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diff changeset
444 }
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diff changeset
445 return wdLock;
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diff changeset
446 }
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diff changeset
447
d740edfff563 Provisional support for Mercurial lock mechanism
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diff changeset
448 @Experimental(reason="WORK IN PROGRESS")
487
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
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diff changeset
449 public HgRepositoryLock getStoreLock() {
486
d740edfff563 Provisional support for Mercurial lock mechanism
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diff changeset
450 if (storeLock == null) {
487
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
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diff changeset
451 int timeout = getLockTimeout();
493
ba36f66c32b4 Refactor to keep knowledge about repository control files and their location in respect to .hg/ in a single place (facilitate future adoption of shared repositories)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
452 File fl = impl.getFileFromStoreDir("lock");
486
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diff changeset
453 synchronized (this) {
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diff changeset
454 if (storeLock == null) {
488
45b3b6ca046f Repository locking mechanism is alive
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diff changeset
455 storeLock = new HgRepositoryLock(fl, timeout);
486
d740edfff563 Provisional support for Mercurial lock mechanism
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diff changeset
456 }
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diff changeset
457 }
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diff changeset
458 }
d740edfff563 Provisional support for Mercurial lock mechanism
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diff changeset
459 return storeLock;
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
460 }
d740edfff563 Provisional support for Mercurial lock mechanism
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diff changeset
461
484
ae4d6604debd Bookmarks support added
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diff changeset
462 /**
ae4d6604debd Bookmarks support added
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parents: 483
diff changeset
463 * Access bookmarks-related functionality
ae4d6604debd Bookmarks support added
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parents: 483
diff changeset
464 * @return facility to manage bookmarks, never <code>null</code>
ae4d6604debd Bookmarks support added
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diff changeset
465 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
ae4d6604debd Bookmarks support added
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parents: 483
diff changeset
466 */
ae4d6604debd Bookmarks support added
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diff changeset
467 public HgBookmarks getBookmarks() throws HgInvalidControlFileException {
ae4d6604debd Bookmarks support added
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diff changeset
468 if (bookmarks == null) {
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)
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diff changeset
469 bookmarks = new HgBookmarks(impl);
484
ae4d6604debd Bookmarks support added
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diff changeset
470 bookmarks.read();
ae4d6604debd Bookmarks support added
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diff changeset
471 }
ae4d6604debd Bookmarks support added
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diff changeset
472 return bookmarks;
ae4d6604debd Bookmarks support added
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parents: 483
diff changeset
473 }
74
6f1b88693d48 Complete refactoring to org.tmatesoft
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diff changeset
474
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: 488
diff changeset
475 /**
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: 488
diff changeset
476 * @return session environment of the repository
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)
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parents: 488
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477 */
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478 public SessionContext getSessionContext() {
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479 return sessionContext;
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480 }
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481
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482 /**
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483 * Perhaps, should be separate interface, like ContentLookup
493
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484 * @param path - normalized file name
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485 * @return <code>null</code> if path doesn't resolve to a existing file
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486 */
493
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487 /*package-local*/ RevlogStream resolveStoreFile(Path path) {
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488 final SoftReference<RevlogStream> ref = streamsCache.get(path);
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489 RevlogStream cached = ref == null ? null : ref.get();
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490 if (cached != null) {
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491 return cached;
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492 }
493
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493 File f = impl.getFileFromDataDir(path);
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494 if (f.exists()) {
490
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495 RevlogStream s = new RevlogStream(impl.getDataAccess(), f);
388
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496 if (impl.shallCacheRevlogs()) {
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497 streamsCache.put(path, new SoftReference<RevlogStream>(s));
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498 }
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499 return s;
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500 }
493
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501 return null;
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502 }
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503
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504 private File fakeNonExistentFile(File expected) throws HgInvalidFileException {
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505 try {
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506 File fake = File.createTempFile(expected.getName(), null);
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507 fake.deleteOnExit();
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508 return fake;
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509 } catch (IOException ex) {
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510 getSessionContext().getLog().dump(getClass(), Info, ex, null);
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511 throw new HgInvalidFileException(String.format("Failed to fake existence of file %s", expected), ex);
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512 }
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513 }
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514
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515 /*package-local*/ List<Filter> getFiltersFromRepoToWorkingDir(Path p) {
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516 return instantiateFilters(p, new Filter.Options(Filter.Direction.FromRepo));
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517 }
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518
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519 /*package-local*/ List<Filter> getFiltersFromWorkingDirToRepo(Path p) {
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520 return instantiateFilters(p, new Filter.Options(Filter.Direction.ToRepo));
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521 }
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522
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523 /*package-local*/ File getFile(HgDataFile dataFile) {
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524 return new File(getWorkingDir(), dataFile.getPath().toString());
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525 }
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526
412
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527 /*package-local*/ Internals getImplHelper() {
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diff changeset
528 return impl;
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529 }
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530
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diff changeset
531 private List<Filter> instantiateFilters(Path p, Filter.Options opts) {
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532 List<Filter.Factory> factories = impl.getFilters();
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533 if (factories.isEmpty()) {
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534 return Collections.emptyList();
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535 }
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536 ArrayList<Filter> rv = new ArrayList<Filter>(factories.size());
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537 for (Filter.Factory ff : factories) {
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538 Filter f = ff.create(p, opts);
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539 if (f != null) {
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540 rv.add(f);
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541 }
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542 }
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543 return rv;
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diff changeset
544 }
487
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
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parents: 486
diff changeset
545
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
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parents: 486
diff changeset
546 private int getLockTimeout() {
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diff changeset
547 return getConfiguration().getIntegerValue("ui", "timeout", 600);
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
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diff changeset
548 }
0
dbd663faec1f Basic changelog parsing
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parents:
diff changeset
549 }