Mercurial > hg4j

annotate src/org/tmatesoft/hg/repo/HgRepository.java @ 504:bf352ce2b97f

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Allow to override lock timeout from within Hg4J
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Fri, 30 Nov 2012 21:58:00 +0100
parents d2f6ab541330
children 2f9ed6bcefa2
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.PropertyMarshal;
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41 import org.tmatesoft.hg.internal.RevlogStream;
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42 import org.tmatesoft.hg.internal.SubrepoManager;
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43 import org.tmatesoft.hg.repo.ext.HgExtensionsManager;
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44 import org.tmatesoft.hg.util.CancelledException;
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45 import org.tmatesoft.hg.util.Pair;
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46 import org.tmatesoft.hg.util.Path;
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47 import org.tmatesoft.hg.util.PathRewrite;
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48 import org.tmatesoft.hg.util.ProgressSupport;
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52 /**
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53 * Shall be as state-less as possible, all the caching happens outside the repo, in commands/walkers
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54 *
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55 * @author Artem Tikhomirov
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56 * @author TMate Software Ltd.
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57 */
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58 public final class HgRepository implements SessionContext.Source {
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60 // IMPORTANT: if new constants added, consider fixing HgInternals#wrongRevisionIndex and HgInvalidRevisionException#getMessage
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62 /**
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63 * Revision index constant to indicate most recent revision
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64 */
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65 public static final int TIP = -3; // XXX TIP_REVISION?
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67 /**
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68 * Revision index constant to indicate invalid revision index value.
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69 * Primary use is default/uninitialized values where user input is expected and as return value where
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70 * an exception (e.g. {@link HgInvalidRevisionException}) is not desired
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71 */
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72 public static final int BAD_REVISION = Integer.MIN_VALUE; // XXX INVALID_REVISION?
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74 /**
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75 * Revision index constant to indicate working copy
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76 */
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77 public static final int WORKING_COPY = -2; // XXX WORKING_COPY_REVISION?
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79 /**
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80 * Constant ({@value #NO_REVISION}) to indicate revision absence or a fictitious revision of an empty repository.
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81 *
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82 * <p>Revision absence is vital e.g. for missing parent from {@link HgChangelog#parents(int, int[], byte[], byte[])} call and
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83 * to report cases when changeset records no corresponding manifest
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84 * revision {@link HgManifest#walk(int, int, org.tmatesoft.hg.repo.HgManifest.Inspector)}.
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85 *
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86 * <p> Use as imaginary revision/empty repository is handy as an argument (contrary to {@link #BAD_REVISION})
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87 * e.g in a status operation to visit changes from the very beginning of a repository.
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88 */
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89 public static final int NO_REVISION = -1;
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91 /**
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92 * Name of the primary branch, "default".
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93 */
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94 public static final String DEFAULT_BRANCH_NAME = "default";
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96 // temp aux marker method
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97 public static IllegalStateException notImplemented() {
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98 return new IllegalStateException("Not implemented");
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99 }
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101 private final File repoDir; // .hg folder
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102 private final File workingDir; // .hg/../
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103 private final String repoLocation;
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104 /*
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105 * normalized slashes but otherwise regular file names
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106 * the only front-end path rewrite, kept here as rest of the library shall
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107 * not bother with names normalization.
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108 */
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109 private final PathRewrite normalizePath;
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110 private final SessionContext sessionContext;
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111
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112 private HgChangelog changelog;
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113 private HgManifest manifest;
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114 private HgTags tags;
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115 private HgBranches branches;
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116 private HgMergeState mergeState;
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117 private SubrepoManager subRepos;
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118 private HgBookmarks bookmarks;
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119 private HgExtensionsManager extManager;
220
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120
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121 // XXX perhaps, shall enable caching explicitly
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122 private final HashMap<Path, SoftReference<RevlogStream>> streamsCache = new HashMap<Path, SoftReference<RevlogStream>>();
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123
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124 private final org.tmatesoft.hg.internal.Internals impl;
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125 private HgIgnore ignore;
331
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126 private HgRepoConfig repoConfig;
220
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127
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128 /*
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129 * TODO [post-1.0] move to a better place, e.g. WorkingCopy container that tracks both dirstate and branches
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130 * (and, perhaps, undo, lastcommit and other similar information), and is change listener so that we don't need to
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131 * worry about this cached value become stale
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132 */
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133 private String wcBranch;
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134
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135
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136 HgRepository(String repositoryPath) {
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137 repoDir = null;
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138 workingDir = null;
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139 repoLocation = repositoryPath;
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140 normalizePath = null;
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141 sessionContext = null;
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142 impl = null;
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143 }
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144
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145 /**
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146 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
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147 */
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148 HgRepository(SessionContext ctx, String repositoryPath, File repositoryRoot) throws HgRuntimeException {
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149 assert ".hg".equals(repositoryRoot.getName()) && repositoryRoot.isDirectory();
148
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150 assert repositoryPath != null;
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151 assert repositoryRoot != null;
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152 assert ctx != null;
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153 repoDir = repositoryRoot;
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154 workingDir = repoDir.getParentFile();
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155 if (workingDir == null) {
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156 throw new IllegalArgumentException(repoDir.toString());
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157 }
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158 repoLocation = repositoryPath;
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159 sessionContext = ctx;
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160 impl = new org.tmatesoft.hg.internal.Internals(this, repositoryRoot);
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161 normalizePath = impl.buildNormalizePathRewrite();
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162 }
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163
145
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164 @Override
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165 public String toString() {
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166 return getClass().getSimpleName() + "[" + getLocation() + (isInvalid() ? "(BAD)" : "") + "]";
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167 }
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168
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169 /**
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170 * Path to repository which has been used to initialize this instance. The value is always present, even
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171 * if no repository has been found at that location ({@link #isInvalid()} is <code>true</code>) and serves
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172 * as an extra description of the failure.
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173 *
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174 * <p> It's important to understand this is purely descriptive attribute, it's kept as close as possible to
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175 * original value users supply to {@link HgLookup}. To get actual repository location, use methods that
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176 * provide {@link File}, e.g. {@link #getWorkingDir()}
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177 *
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178 * @return repository location information, never <code>null</code>
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179 */
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180 public String getLocation() {
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181 return repoLocation;
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182 }
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183
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184 public boolean isInvalid() {
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185 return impl == null || impl.isInvalid();
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186 }
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187
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188 public HgChangelog getChangelog() {
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189 if (changelog == null) {
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190 File chlogFile = impl.getFileFromStoreDir("00changelog.i");
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191 if (!chlogFile.exists()) {
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192 // fake its existence
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193 chlogFile = fakeNonExistentFile(chlogFile);
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194 }
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195 RevlogStream content = new RevlogStream(impl.getDataAccess(), chlogFile);
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196 changelog = new HgChangelog(this, content);
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197 }
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198 return changelog;
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199 }
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200
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201 public HgManifest getManifest() {
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202 if (manifest == null) {
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203 File manifestFile = impl.getFileFromStoreDir("00manifest.i");
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204 if (!manifestFile.exists()) {
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205 manifestFile = fakeNonExistentFile(manifestFile);
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206 }
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207 RevlogStream content = new RevlogStream(impl.getDataAccess(), manifestFile);
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208 manifest = new HgManifest(this, content, impl.buildFileNameEncodingHelper());
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209 }
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210 return manifest;
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211 }
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212
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213 /**
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214 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
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215 */
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216 public HgTags getTags() throws HgInvalidControlFileException {
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217 if (tags == null) {
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218 tags = new HgTags(this);
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219 HgDataFile hgTags = getFileNode(HgTags.getPath());
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220 if (hgTags.exists()) {
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221 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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222 // method for data files as well, though it looks odd.
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223 try {
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224 ByteArrayChannel sink = new ByteArrayChannel();
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225 hgTags.content(i, sink);
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226 final String content = new String(sink.toArray(), "UTF8");
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227 tags.readGlobal(new StringReader(content));
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228 } catch (CancelledException ex) {
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229 // IGNORE, can't happen, we did not configure cancellation
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230 getSessionContext().getLog().dump(getClass(), Debug, ex, null);
318
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231 } catch (IOException ex) {
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232 // UnsupportedEncodingException can't happen (UTF8)
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233 // only from readGlobal. Need to reconsider exceptions thrown from there:
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234 // BufferedReader wraps String and unlikely to throw IOException, perhaps, log is enough?
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235 getSessionContext().getLog().dump(getClass(), Error, ex, null);
318
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236 // XXX need to decide what to do this. failure to read single revision shall not break complete cycle
234
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237 }
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238 }
318
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239 }
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240 File file2read = null;
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241 try {
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242 file2read = new File(getWorkingDir(), HgTags.getPath());
318
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243 tags.readGlobal(file2read); // XXX replace with HgDataFile.workingCopy
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244 file2read = impl.getFileFromRepoDir(HgLocalTags.getName()); // XXX pass internalrepo to readLocal, keep filename there
318
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245 tags.readLocal(file2read);
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246 } catch (IOException ex) {
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247 getSessionContext().getLog().dump(getClass(), Error, ex, null);
318
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248 throw new HgInvalidControlFileException("Failed to read tags", ex, file2read);
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249 }
50
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250 }
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251 return tags;
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252 }
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253
482
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254 /**
484
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255 * Access branch information
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256 * @return branch manager instance, never <code>null</code>
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257 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
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258 */
366
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259 public HgBranches getBranches() throws HgInvalidControlFileException {
220
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260 if (branches == null) {
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261 branches = new HgBranches(impl);
220
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262 branches.collect(ProgressSupport.Factory.get(null));
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263 }
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264 return branches;
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265 }
231
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266
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267 /**
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268 * Access state of the recent merge
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269 * @return merge state facility, never <code>null</code>
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270 */
231
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271 public HgMergeState getMergeState() {
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272 if (mergeState == null) {
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273 mergeState = new HgMergeState(impl);
231
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274 }
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275 return mergeState;
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276 }
220
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277
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278 public HgDataFile getFileNode(String path) {
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279 CharSequence nPath = normalizePath.rewrite(path);
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280 Path p = Path.create(nPath);
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281 return getFileNode(p);
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282 }
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283
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284 public HgDataFile getFileNode(Path path) {
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285 RevlogStream content = resolveStoreFile(path);
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286 if (content == null) {
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287 return new HgDataFile(this, path);
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288 }
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289 return new HgDataFile(this, path, content);
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290 }
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291
142
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292 /* clients need to rewrite path from their FS to a repository-friendly paths, and, perhaps, vice versa*/
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293 public PathRewrite getToRepoPathHelper() {
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294 return normalizePath;
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295 }
284
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296
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297 /**
348
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298 * @return pair of values, {@link Pair#first()} and {@link Pair#second()} are respective parents, never <code>null</code>.
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299 * @throws HgInvalidControlFileException if attempt to read information about working copy parents from dirstate failed
284
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300 */
348
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301 public Pair<Nodeid,Nodeid> getWorkingCopyParents() throws HgInvalidControlFileException {
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302 return HgDirstate.readParents(impl);
235
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303 }
252
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304
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305 /**
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306 * @return name of the branch associated with working directory, never <code>null</code>.
348
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307 * @throws HgInvalidControlFileException if attempt to read branch name failed.
252
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308 */
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309 public String getWorkingCopyBranchName() throws HgInvalidControlFileException {
430
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diff changeset
310 if (wcBranch == null) {
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311 wcBranch = HgDirstate.readBranch(impl);
430
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312 }
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313 return wcBranch;
252
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314 }
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315
237
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316 /**
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317 * @return location where user files (shall) reside
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318 */
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319 public File getWorkingDir() {
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320 return workingDir;
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321 }
239
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322
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323 /**
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324 * Provides access to sub-repositories defined in this repository. Enumerated sub-repositories are those directly
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325 * known, not recursive collection of all nested sub-repositories.
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326 * @return list of all known sub-repositories in this repository, or empty list if none found.
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327 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
239
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328 */
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329 public List<HgSubrepoLocation> getSubrepositories() throws HgInvalidControlFileException {
239
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330 if (subRepos == null) {
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331 subRepos = new SubrepoManager(this);
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332 subRepos.read();
239
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333 }
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334 return subRepos.all();
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335 }
237
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336
331
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337
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338 public HgRepoConfig getConfiguration() /* XXX throws HgInvalidControlFileException? Description of the exception suggests it is only for files under ./hg/*/ {
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339 if (repoConfig == null) {
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340 try {
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341 ConfigFile configFile = impl.readConfiguration();
331
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342 repoConfig = new HgRepoConfig(configFile);
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343 } catch (IOException ex) {
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344 String m = "Errors while reading user configuration file";
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345 getSessionContext().getLog().dump(getClass(), Warn, ex, m);
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346 return new HgRepoConfig(new ConfigFile(getSessionContext())); // empty config, do not cache, allow to try once again
331
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diff changeset
347 //throw new HgInvalidControlFileException(m, ex, null);
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348 }
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349 }
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350 return repoConfig;
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351 }
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diff changeset
352
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353 // 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
354 // XXX consider passing Path pool or factory to produce (shared) Path instead of Strings
431
12f668401613 FIXMEs: awkward API refactored, what need to be internal got hidden; public aspects got captured in slim interfaces
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parents: 430
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355 /*package-local*/ final HgDirstate loadDirstate(Path.Source pathFactory) throws HgInvalidControlFileException {
292
a415fe296a50 Refactor PathRewrite to accept any char sequence, not only string
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diff changeset
356 PathRewrite canonicalPath = null;
388
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
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parents: 367
diff changeset
357 if (!impl.isCaseSensitiveFileSystem()) {
292
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diff changeset
358 canonicalPath = new PathRewrite() {
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diff changeset
359
a415fe296a50 Refactor PathRewrite to accept any char sequence, not only string
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diff changeset
360 public CharSequence rewrite(CharSequence path) {
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361 return path.toString().toLowerCase();
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362 }
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diff changeset
363 };
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diff changeset
364 }
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
365 HgDirstate ds = new HgDirstate(impl, pathFactory, canonicalPath);
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diff changeset
366 ds.read();
348
a0864b2892cd Expose errors reading mercurial control files with exception
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diff changeset
367 return ds;
74
6f1b88693d48 Complete refactoring to org.tmatesoft
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368 }
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diff changeset
369
289
086a326f181f Provide public access to ignored files configuration to use in alternative file walkers
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370 /**
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371 * Access to configured set of ignored files.
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372 * @see HgIgnore#isIgnored(Path)
482
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373 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
289
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374 */
482
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diff changeset
375 public HgIgnore getIgnore() throws HgInvalidControlFileException {
91
c2ce1cfaeb9e ignore file with regex and 'honest' glob support
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376 // TODO read config for additional locations
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diff changeset
377 if (ignore == null) {
409
0f5696623512 Support glob path pattern rewrite to facilitate use of globs with Windows path separator
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diff changeset
378 ignore = new HgIgnore(getToRepoPathHelper());
482
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379 File ignoreFile = new File(getWorkingDir(), HgIgnore.getPath());
91
c2ce1cfaeb9e ignore file with regex and 'honest' glob support
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diff changeset
380 try {
335
3d41dc148d14 Do not fail with exception on syntax errors in .hgignore
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diff changeset
381 final List<String> errors = ignore.read(ignoreFile);
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diff changeset
382 if (errors != 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
383 getSessionContext().getLog().dump(getClass(), Warn, "Syntax errors parsing %s:\n%s", ignoreFile.getName(), Internals.join(errors, ",\n"));
335
3d41dc148d14 Do not fail with exception on syntax errors in .hgignore
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384 }
91
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385 } catch (IOException ex) {
482
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diff changeset
386 final String m = String.format("Error reading %s file", ignoreFile);
6c67debed07e Distinguish files in wc from files under repo root, use these constants
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387 throw new HgInvalidControlFileException(m, ex, ignoreFile);
91
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388 }
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diff changeset
389 }
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diff changeset
390 return ignore;
74
6f1b88693d48 Complete refactoring to org.tmatesoft
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diff changeset
391 }
482
6c67debed07e Distinguish files in wc from files under repo root, use these constants
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diff changeset
392
481
a458f9fb00ce Access to user-supplied message of last commit
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diff changeset
393 /**
a458f9fb00ce Access to user-supplied message of last commit
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parents: 471
diff changeset
394 * Mercurial saves message user has supplied for a commit to facilitate message re-use in case commit fails.
a458f9fb00ce Access to user-supplied message of last commit
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diff changeset
395 * This method provides this saved message.
a458f9fb00ce Access to user-supplied message of last commit
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diff changeset
396 *
a458f9fb00ce Access to user-supplied message of last commit
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diff changeset
397 * @return message used for last commit attempt, or <code>null</code> if none
482
6c67debed07e Distinguish files in wc from files under repo root, use these constants
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diff changeset
398 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
481
a458f9fb00ce Access to user-supplied message of last commit
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diff changeset
399 */
482
6c67debed07e Distinguish files in wc from files under repo root, use these constants
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diff changeset
400 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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parents: 488
diff changeset
401 File lastMessage = impl.getFileFromRepoDir(LastMessage.getPath());
481
a458f9fb00ce Access to user-supplied message of last commit
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diff changeset
402 if (!lastMessage.canRead()) {
a458f9fb00ce Access to user-supplied message of last commit
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parents: 471
diff changeset
403 return null;
a458f9fb00ce Access to user-supplied message of last commit
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parents: 471
diff changeset
404 }
a458f9fb00ce Access to user-supplied message of last commit
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 471
diff changeset
405 FileReader fr = null;
a458f9fb00ce Access to user-supplied message of last commit
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 471
diff changeset
406 try {
a458f9fb00ce Access to user-supplied message of last commit
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diff changeset
407 fr = new FileReader(lastMessage);
a458f9fb00ce Access to user-supplied message of last commit
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parents: 471
diff changeset
408 CharBuffer cb = CharBuffer.allocate(Internals.ltoi(lastMessage.length()));
a458f9fb00ce Access to user-supplied message of last commit
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parents: 471
diff changeset
409 fr.read(cb);
a458f9fb00ce Access to user-supplied message of last commit
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diff changeset
410 return cb.flip().toString();
a458f9fb00ce Access to user-supplied message of last commit
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 471
diff changeset
411 } catch (IOException ex) {
a458f9fb00ce Access to user-supplied message of last commit
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 471
diff changeset
412 throw new HgInvalidControlFileException("Can't retrieve message of last commit attempt", ex, lastMessage);
a458f9fb00ce Access to user-supplied message of last commit
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parents: 471
diff changeset
413 } finally {
a458f9fb00ce Access to user-supplied message of last commit
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 471
diff changeset
414 if (fr != null) {
a458f9fb00ce Access to user-supplied message of last commit
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 471
diff changeset
415 try {
a458f9fb00ce Access to user-supplied message of last commit
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 471
diff changeset
416 fr.close();
a458f9fb00ce Access to user-supplied message of last commit
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 471
diff changeset
417 } 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)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 488
diff changeset
418 getSessionContext().getLog().dump(getClass(), Warn, "Failed to close %s after read", lastMessage);
481
a458f9fb00ce Access to user-supplied message of last commit
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parents: 471
diff changeset
419 }
a458f9fb00ce Access to user-supplied message of last commit
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 471
diff changeset
420 }
a458f9fb00ce Access to user-supplied message of last commit
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 471
diff changeset
421 }
a458f9fb00ce Access to user-supplied message of last commit
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 471
diff changeset
422 }
486
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
423
487
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 486
diff changeset
424 private HgRepositoryLock wdLock, storeLock;
486
d740edfff563 Provisional support for Mercurial lock mechanism
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parents: 484
diff changeset
425
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
426 /**
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
427 * PROVISIONAL CODE, DO NOT USE
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
428 *
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
429 * Access repository lock that covers non-store parts of the repository (dirstate, branches, etc -
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
430 * everything that has to do with working directory state).
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
431 *
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
432 * 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
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 486
diff changeset
433 * Use {@link HgRepositoryLock#acquire()} to actually lock the repository.
486
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
434 *
d740edfff563 Provisional support for Mercurial lock mechanism
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parents: 484
diff changeset
435 * @return lock object, never <code>null</code>
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
436 */
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
437 @Experimental(reason="WORK IN PROGRESS")
487
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 486
diff changeset
438 public HgRepositoryLock getWorkingDirLock() {
486
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
439 if (wdLock == null) {
487
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 486
diff changeset
440 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)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 488
diff changeset
441 File lf = impl.getFileFromRepoDir("wlock");
486
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
442 synchronized (this) {
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
443 if (wdLock == null) {
488
45b3b6ca046f Repository locking mechanism is alive
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 487
diff changeset
444 wdLock = new HgRepositoryLock(lf, timeout);
486
d740edfff563 Provisional support for Mercurial lock mechanism
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parents: 484
diff changeset
445 }
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
446 }
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
447 }
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
448 return wdLock;
d740edfff563 Provisional support for Mercurial lock mechanism
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parents: 484
diff changeset
449 }
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
450
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
451 @Experimental(reason="WORK IN PROGRESS")
487
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
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parents: 486
diff changeset
452 public HgRepositoryLock getStoreLock() {
486
d740edfff563 Provisional support for Mercurial lock mechanism
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parents: 484
diff changeset
453 if (storeLock == null) {
487
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 486
diff changeset
454 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>
parents: 491
diff changeset
455 File fl = impl.getFileFromStoreDir("lock");
486
d740edfff563 Provisional support for Mercurial lock mechanism
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parents: 484
diff changeset
456 synchronized (this) {
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
457 if (storeLock == null) {
488
45b3b6ca046f Repository locking mechanism is alive
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 487
diff changeset
458 storeLock = new HgRepositoryLock(fl, timeout);
486
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
459 }
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
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
461 }
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
462 return storeLock;
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
463 }
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
464
484
ae4d6604debd Bookmarks support added
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parents: 483
diff changeset
465 /**
ae4d6604debd Bookmarks support added
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parents: 483
diff changeset
466 * Access bookmarks-related functionality
ae4d6604debd Bookmarks support added
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parents: 483
diff changeset
467 * @return facility to manage bookmarks, never <code>null</code>
ae4d6604debd Bookmarks support added
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parents: 483
diff changeset
468 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
ae4d6604debd Bookmarks support added
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 483
diff changeset
469 */
ae4d6604debd Bookmarks support added
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 483
diff changeset
470 public HgBookmarks getBookmarks() throws HgInvalidControlFileException {
ae4d6604debd Bookmarks support added
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parents: 483
diff changeset
471 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)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 488
diff changeset
472 bookmarks = new HgBookmarks(impl);
484
ae4d6604debd Bookmarks support added
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parents: 483
diff changeset
473 bookmarks.read();
ae4d6604debd Bookmarks support added
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 483
diff changeset
474 }
ae4d6604debd Bookmarks support added
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 483
diff changeset
475 return bookmarks;
ae4d6604debd Bookmarks support added
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 483
diff changeset
476 }
501
d2f6ab541330 Change the way extensions are accessed (with ExtensionsManager now), add preliminary Rebase extension support
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
477
d2f6ab541330 Change the way extensions are accessed (with ExtensionsManager now), add preliminary Rebase extension support
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parents: 493
diff changeset
478 public HgExtensionsManager getExtensions() {
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parents: 493
diff changeset
479 if (extManager == null) {
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diff changeset
480 class EM extends HgExtensionsManager {
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parents: 493
diff changeset
481 EM() {
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parents: 493
diff changeset
482 super(HgRepository.this.getImplHelper());
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parents: 493
diff changeset
483 }
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diff changeset
484 }
d2f6ab541330 Change the way extensions are accessed (with ExtensionsManager now), add preliminary Rebase extension support
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diff changeset
485 extManager = new EM();
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parents: 493
diff changeset
486 }
d2f6ab541330 Change the way extensions are accessed (with ExtensionsManager now), add preliminary Rebase extension support
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parents: 493
diff changeset
487 return extManager;
d2f6ab541330 Change the way extensions are accessed (with ExtensionsManager now), add preliminary Rebase extension support
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diff changeset
488 }
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6f1b88693d48 Complete refactoring to org.tmatesoft
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diff changeset
489
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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parents: 488
diff changeset
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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parents: 488
diff changeset
491 * @return session environment of the repository
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parents: 488
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492 */
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
diff changeset
493 public SessionContext getSessionContext() {
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
494 return sessionContext;
74
6f1b88693d48 Complete refactoring to org.tmatesoft
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diff changeset
495 }
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diff changeset
496
2
08db726a0fb7 Shaping out low-level Hg structures
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parents: 1
diff changeset
497 /**
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 1
diff changeset
498 * Perhaps, should be separate interface, like ContentLookup
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>
parents: 491
diff changeset
499 * @param path - normalized file name
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)
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parents: 491
diff changeset
500 * @return <code>null</code> if path doesn't resolve to a existing file
2
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parents: 1
diff changeset
501 */
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>
parents: 491
diff changeset
502 /*package-local*/ RevlogStream resolveStoreFile(Path path) {
74
6f1b88693d48 Complete refactoring to org.tmatesoft
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parents: 68
diff changeset
503 final SoftReference<RevlogStream> ref = streamsCache.get(path);
6f1b88693d48 Complete refactoring to org.tmatesoft
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parents: 68
diff changeset
504 RevlogStream cached = ref == null ? null : ref.get();
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 68
diff changeset
505 if (cached != null) {
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parents: 68
diff changeset
506 return cached;
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diff changeset
507 }
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)
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parents: 491
diff changeset
508 File f = impl.getFileFromDataDir(path);
74
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diff changeset
509 if (f.exists()) {
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
510 RevlogStream s = new RevlogStream(impl.getDataAccess(), f);
388
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 367
diff changeset
511 if (impl.shallCacheRevlogs()) {
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parents: 367
diff changeset
512 streamsCache.put(path, new SoftReference<RevlogStream>(s));
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
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diff changeset
513 }
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514 return s;
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diff changeset
515 }
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)
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parents: 491
diff changeset
516 return null;
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diff changeset
517 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 491
diff changeset
518
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>
parents: 491
diff changeset
519 private File fakeNonExistentFile(File expected) throws HgInvalidFileException {
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)
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parents: 491
diff changeset
520 try {
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)
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diff changeset
521 File fake = File.createTempFile(expected.getName(), null);
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)
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parents: 491
diff changeset
522 fake.deleteOnExit();
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>
parents: 491
diff changeset
523 return fake;
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
524 } catch (IOException ex) {
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)
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diff changeset
525 getSessionContext().getLog().dump(getClass(), Info, ex, null);
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)
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diff changeset
526 throw new HgInvalidFileException(String.format("Failed to fake existence of file %s", expected), ex);
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)
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diff changeset
527 }
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528 }
114
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diff changeset
529
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 104
diff changeset
530 /*package-local*/ List<Filter> getFiltersFromRepoToWorkingDir(Path p) {
46291ec605a0 Filters to read and initialize according to configuration files
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parents: 104
diff changeset
531 return instantiateFilters(p, new Filter.Options(Filter.Direction.FromRepo));
46291ec605a0 Filters to read and initialize according to configuration files
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diff changeset
532 }
46291ec605a0 Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
533
46291ec605a0 Filters to read and initialize according to configuration files
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parents: 104
diff changeset
534 /*package-local*/ List<Filter> getFiltersFromWorkingDirToRepo(Path p) {
46291ec605a0 Filters to read and initialize according to configuration files
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parents: 104
diff changeset
535 return instantiateFilters(p, new Filter.Options(Filter.Direction.ToRepo));
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parents: 104
diff changeset
536 }
237
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 235
diff changeset
537
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
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parents: 235
diff changeset
538 /*package-local*/ File getFile(HgDataFile dataFile) {
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 235
diff changeset
539 return new File(getWorkingDir(), dataFile.getPath().toString());
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
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parents: 235
diff changeset
540 }
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 292
diff changeset
541
412
63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 409
diff changeset
542 /*package-local*/ Internals getImplHelper() {
63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 409
diff changeset
543 return impl;
63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 409
diff changeset
544 }
114
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diff changeset
545
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
546 private List<Filter> instantiateFilters(Path p, Filter.Options opts) {
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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parents: 488
diff changeset
547 List<Filter.Factory> factories = impl.getFilters();
114
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diff changeset
548 if (factories.isEmpty()) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 104
diff changeset
549 return Collections.emptyList();
46291ec605a0 Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 104
diff changeset
550 }
46291ec605a0 Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 104
diff changeset
551 ArrayList<Filter> rv = new ArrayList<Filter>(factories.size());
46291ec605a0 Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 104
diff changeset
552 for (Filter.Factory ff : factories) {
46291ec605a0 Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 104
diff changeset
553 Filter f = ff.create(p, opts);
46291ec605a0 Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 104
diff changeset
554 if (f != null) {
46291ec605a0 Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 104
diff changeset
555 rv.add(f);
46291ec605a0 Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 104
diff changeset
556 }
46291ec605a0 Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
557 }
46291ec605a0 Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 104
diff changeset
558 return rv;
46291ec605a0 Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 104
diff changeset
559 }
487
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 486
diff changeset
560
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 486
diff changeset
561 private int getLockTimeout() {
504
bf352ce2b97f Allow to override lock timeout from within Hg4J
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 501
diff changeset
562 int cfgValue = getConfiguration().getIntegerValue("ui", "timeout", 600);
bf352ce2b97f Allow to override lock timeout from within Hg4J
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 501
diff changeset
563 if (getSessionContext().getConfigurationProperty(Internals.CFG_PROPERTY_FS_LOCK_TIMEOUT, null) != null) {
bf352ce2b97f Allow to override lock timeout from within Hg4J
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 501
diff changeset
564 return new PropertyMarshal(sessionContext).getInt(Internals.CFG_PROPERTY_FS_LOCK_TIMEOUT, cfgValue);
bf352ce2b97f Allow to override lock timeout from within Hg4J
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 501
diff changeset
565 }
bf352ce2b97f Allow to override lock timeout from within Hg4J
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 501
diff changeset
566 return cfgValue;
487
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 486
diff changeset
567 }
0
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
568 }