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annotate src/org/tmatesoft/hg/repo/HgRepository.java @ 489:9c0138cda59a

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HgRepositoryLock: some javadoc
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Mon, 13 Aug 2012 19:24:29 +0200
parents 45b3b6ca046f
children b3c16d1aede0
rev   line source
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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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6c67debed07e Distinguish files in wc from files under repo root, use these constants
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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.DataAccessProvider;
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38 import org.tmatesoft.hg.internal.Experimental;
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39 import org.tmatesoft.hg.internal.Filter;
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40 import org.tmatesoft.hg.internal.Internals;
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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.util.CancelledException;
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44 import org.tmatesoft.hg.util.Pair;
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45 import org.tmatesoft.hg.util.Path;
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46 import org.tmatesoft.hg.util.PathRewrite;
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47 import org.tmatesoft.hg.util.ProgressSupport;
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51 /**
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52 * Shall be as state-less as possible, all the caching happens outside the repo, in commands/walkers
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53 *
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54 * @author Artem Tikhomirov
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55 * @author TMate Software Ltd.
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56 */
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57 public final class HgRepository {
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59 // IMPORTANT: if new constants added, consider fixing HgInternals#wrongRevisionIndex and HgInvalidRevisionException#getMessage
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61 /**
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62 * Revision index constant to indicate most recent revision
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63 */
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64 public static final int TIP = -3; // XXX TIP_REVISION?
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66 /**
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67 * Revision index constant to indicate invalid revision index value.
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68 * Primary use is default/uninitialized values where user input is expected and as return value where
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69 * an exception (e.g. {@link HgInvalidRevisionException}) is not desired
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70 */
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71 public static final int BAD_REVISION = Integer.MIN_VALUE; // XXX INVALID_REVISION?
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73 /**
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74 * Revision index constant to indicate working copy
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75 */
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76 public static final int WORKING_COPY = -2; // XXX WORKING_COPY_REVISION?
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78 /**
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79 * Constant ({@value #NO_REVISION}) to indicate revision absence or a fictitious revision of an empty repository.
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80 *
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81 * <p>Revision absence is vital e.g. for missing parent from {@link HgChangelog#parents(int, int[], byte[], byte[])} call and
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82 * to report cases when changeset records no corresponding manifest
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83 * revision {@link HgManifest#walk(int, int, org.tmatesoft.hg.repo.HgManifest.Inspector)}.
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84 *
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85 * <p> Use as imaginary revision/empty repository is handy as an argument (contrary to {@link #BAD_REVISION})
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86 * e.g in a status operation to visit changes from the very beginning of a repository.
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87 */
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88 public static final int NO_REVISION = -1;
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90 /**
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91 * Name of the primary branch, "default".
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92 */
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93 public static final String DEFAULT_BRANCH_NAME = "default";
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94
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95 // temp aux marker method
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96 public static IllegalStateException notImplemented() {
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97 return new IllegalStateException("Not implemented");
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98 }
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100 private final File repoDir; // .hg folder
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101 private final File workingDir; // .hg/../
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102 private final String repoLocation;
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103 private final DataAccessProvider dataAccess;
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104 private final PathRewrite normalizePath; // normalized slashes but otherwise regular file names
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105 private final PathRewrite dataPathHelper; // access to file storage area (usually under .hg/store/data/), with filenames mangled
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106 private final PathRewrite repoPathHelper; // access to system files
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107 private final SessionContext sessionContext;
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109 private HgChangelog changelog;
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110 private HgManifest manifest;
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111 private HgTags tags;
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112 private HgBranches branches;
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113 private HgMergeState mergeState;
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114 private SubrepoManager subRepos;
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115 private HgBookmarks bookmarks;
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117 // XXX perhaps, shall enable caching explicitly
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118 private final HashMap<Path, SoftReference<RevlogStream>> streamsCache = new HashMap<Path, SoftReference<RevlogStream>>();
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119
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120 private final org.tmatesoft.hg.internal.Internals impl;
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121 private HgIgnore ignore;
331
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122 private HgRepoConfig repoConfig;
220
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123
430
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124 /*
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125 * TODO [post-1.0] move to a better place, e.g. WorkingCopy container that tracks both dirstate and branches
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126 * (and, perhaps, undo, lastcommit and other similar information), and is change listener so that we don't need to
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127 * worry about this cached value become stale
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128 */
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129 private String wcBranch;
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130
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131
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132 HgRepository(String repositoryPath) {
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133 repoDir = null;
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134 workingDir = null;
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135 repoLocation = repositoryPath;
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136 dataAccess = null;
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137 dataPathHelper = repoPathHelper = null;
142
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138 normalizePath = null;
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139 sessionContext = null;
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140 impl = null;
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141 }
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142
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143 /**
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144 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
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145 */
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146 HgRepository(SessionContext ctx, String repositoryPath, File repositoryRoot) throws HgRuntimeException {
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147 assert ".hg".equals(repositoryRoot.getName()) && repositoryRoot.isDirectory();
148
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148 assert repositoryPath != null;
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149 assert repositoryRoot != null;
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150 assert ctx != null;
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151 repoDir = repositoryRoot;
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152 workingDir = repoDir.getParentFile();
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153 if (workingDir == null) {
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154 throw new IllegalArgumentException(repoDir.toString());
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155 }
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156 impl = new org.tmatesoft.hg.internal.Internals(ctx);
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157 repoLocation = repositoryPath;
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158 sessionContext = ctx;
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159 dataAccess = new DataAccessProvider(ctx);
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160 impl.parseRequires(this, new File(repoDir, "requires"));
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161 normalizePath = impl.buildNormalizePathRewrite();
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162 dataPathHelper = impl.buildDataFilesHelper();
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163 repoPathHelper = impl.buildRepositoryFilesHelper();
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164 }
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165
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166 @Override
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167 public String toString() {
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168 return getClass().getSimpleName() + "[" + getLocation() + (isInvalid() ? "(BAD)" : "") + "]";
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169 }
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170
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171 public String getLocation() {
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172 return repoLocation;
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173 }
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174
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175 public boolean isInvalid() {
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176 return repoDir == null || !repoDir.exists() || !repoDir.isDirectory();
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177 }
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178
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179 public HgChangelog getChangelog() {
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180 if (changelog == null) {
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181 CharSequence storagePath = repoPathHelper.rewrite("00changelog.i");
202
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182 RevlogStream content = resolve(Path.create(storagePath), true);
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183 changelog = new HgChangelog(this, content);
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184 }
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185 return changelog;
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186 }
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187
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188 public HgManifest getManifest() {
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189 if (manifest == null) {
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190 RevlogStream content = resolve(Path.create(repoPathHelper.rewrite("00manifest.i")), true);
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191 manifest = new HgManifest(this, content, impl.buildFileNameEncodingHelper());
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192 }
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193 return manifest;
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194 }
50
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195
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196 /**
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197 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
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198 */
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199 public HgTags getTags() throws HgInvalidControlFileException {
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200 if (tags == null) {
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201 tags = new HgTags(this);
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202 HgDataFile hgTags = getFileNode(HgTags.getPath());
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203 if (hgTags.exists()) {
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204 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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205 // method for data files as well, though it looks odd.
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206 try {
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207 ByteArrayChannel sink = new ByteArrayChannel();
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208 hgTags.content(i, sink);
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209 final String content = new String(sink.toArray(), "UTF8");
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210 tags.readGlobal(new StringReader(content));
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211 } catch (CancelledException ex) {
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212 // IGNORE, can't happen, we did not configure cancellation
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213 getContext().getLog().dump(getClass(), Debug, ex, null);
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214 } catch (IOException ex) {
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215 // UnsupportedEncodingException can't happen (UTF8)
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216 // only from readGlobal. Need to reconsider exceptions thrown from there:
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217 // BufferedReader wraps String and unlikely to throw IOException, perhaps, log is enough?
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218 getContext().getLog().dump(getClass(), Error, ex, null);
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219 // XXX need to decide what to do this. failure to read single revision shall not break complete cycle
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220 }
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221 }
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222 }
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223 File file2read = null;
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224 try {
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225 file2read = new File(getWorkingDir(), HgTags.getPath());
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226 tags.readGlobal(file2read); // XXX replace with HgDataFile.workingCopy
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227 file2read = new File(repoDir, HgLocalTags.getName());
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228 tags.readLocal(file2read);
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229 } catch (IOException ex) {
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230 getContext().getLog().dump(getClass(), Error, ex, null);
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231 throw new HgInvalidControlFileException("Failed to read tags", ex, file2read);
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232 }
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233 }
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234 return tags;
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235 }
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236
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237 /**
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238 * Access branch information
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239 * @return branch manager instance, never <code>null</code>
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240 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
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241 */
366
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242 public HgBranches getBranches() throws HgInvalidControlFileException {
220
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243 if (branches == null) {
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244 branches = new HgBranches(this);
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245 branches.collect(ProgressSupport.Factory.get(null));
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246 }
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247 return branches;
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248 }
231
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249
484
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250 /**
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251 * Access state of the recent merge
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252 * @return merge state facility, never <code>null</code>
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253 */
231
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254 public HgMergeState getMergeState() {
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255 if (mergeState == null) {
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256 mergeState = new HgMergeState(this);
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257 }
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258 return mergeState;
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259 }
220
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260
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261 public HgDataFile getFileNode(String path) {
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262 CharSequence nPath = normalizePath.rewrite(path);
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263 CharSequence storagePath = dataPathHelper.rewrite(nPath);
202
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264 RevlogStream content = resolve(Path.create(storagePath), false);
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265 Path p = Path.create(nPath);
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266 if (content == null) {
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267 return new HgDataFile(this, p);
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268 }
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269 return new HgDataFile(this, p, content);
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270 }
1
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271
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272 public HgDataFile getFileNode(Path path) {
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273 CharSequence storagePath = dataPathHelper.rewrite(path.toString());
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274 RevlogStream content = resolve(Path.create(storagePath), false);
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275 // XXX no content when no file? or HgDataFile.exists() to detect that?
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276 if (content == null) {
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277 return new HgDataFile(this, path);
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278 }
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279 return new HgDataFile(this, path, content);
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280 }
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281
142
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282 /* clients need to rewrite path from their FS to a repository-friendly paths, and, perhaps, vice versa*/
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283 public PathRewrite getToRepoPathHelper() {
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284 return normalizePath;
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285 }
284
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286
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287 /**
348
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288 * @return pair of values, {@link Pair#first()} and {@link Pair#second()} are respective parents, never <code>null</code>.
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289 * @throws HgInvalidControlFileException if attempt to read information about working copy parents from dirstate failed
284
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290 */
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291 public Pair<Nodeid,Nodeid> getWorkingCopyParents() throws HgInvalidControlFileException {
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292 return HgDirstate.readParents(this, new File(repoDir, Dirstate.getName()));
235
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293 }
252
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294
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295 /**
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296 * @return name of the branch associated with working directory, never <code>null</code>.
348
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297 * @throws HgInvalidControlFileException if attempt to read branch name failed.
252
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298 */
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299 public String getWorkingCopyBranchName() throws HgInvalidControlFileException {
430
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300 if (wcBranch == null) {
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301 wcBranch = HgDirstate.readBranch(this, new File(repoDir, "branch"));
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302 }
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303 return wcBranch;
252
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304 }
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305
237
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306 /**
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307 * @return location where user files (shall) reside
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308 */
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309 public File getWorkingDir() {
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310 return workingDir;
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311 }
239
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312
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313 /**
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314 * Provides access to sub-repositories defined in this repository. Enumerated sub-repositories are those directly
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315 * known, not recursive collection of all nested sub-repositories.
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316 * @return list of all known sub-repositories in this repository, or empty list if none found.
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317 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
239
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318 */
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319 public List<HgSubrepoLocation> getSubrepositories() throws HgInvalidControlFileException {
239
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320 if (subRepos == null) {
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321 subRepos = new SubrepoManager(this);
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322 subRepos.read();
239
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323 }
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324 return subRepos.all();
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325 }
237
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326
331
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327
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328 public HgRepoConfig getConfiguration() /* XXX throws HgInvalidControlFileException? Description of the exception suggests it is only for files under ./hg/*/ {
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329 if (repoConfig == null) {
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330 try {
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331 ConfigFile configFile = impl.readConfiguration(this, getRepositoryRoot());
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332 repoConfig = new HgRepoConfig(configFile);
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333 } catch (IOException ex) {
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334 String m = "Errors while reading user configuration file";
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335 getContext().getLog().dump(getClass(), Warn, ex, m);
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336 return new HgRepoConfig(new ConfigFile(getContext())); // empty config, do not cache, allow to try once again
331
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337 //throw new HgInvalidControlFileException(m, ex, null);
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338 }
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339 }
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340 return repoConfig;
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341 }
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342
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343 // shall be of use only for internal classes
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344 /*package-local*/ File getRepositoryRoot() {
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345 return repoDir;
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346 }
337
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347
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348 /*package-local, debug*/String getStoragePath(HgDataFile df) {
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349 // may come handy for debug
337
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350 return dataPathHelper.rewrite(df.getPath().toString()).toString();
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351 }
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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)
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354 // XXX consider passing Path pool or factory to produce (shared) Path instead of Strings
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355 /*package-local*/ final HgDirstate loadDirstate(Path.Source pathFactory) throws HgInvalidControlFileException {
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356 PathRewrite canonicalPath = null;
388
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357 if (!impl.isCaseSensitiveFileSystem()) {
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358 canonicalPath = new PathRewrite() {
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359
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360 public CharSequence rewrite(CharSequence path) {
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diff changeset
361 return path.toString().toLowerCase();
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diff changeset
362 }
a415fe296a50 Refactor PathRewrite to accept any char sequence, not only string
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diff changeset
363 };
a415fe296a50 Refactor PathRewrite to accept any char sequence, not only string
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diff changeset
364 }
482
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diff changeset
365 File dirstateFile = new File(repoDir, Dirstate.getName());
6c67debed07e Distinguish files in wc from files under repo root, use these constants
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diff changeset
366 HgDirstate ds = new HgDirstate(this, dirstateFile, pathFactory, canonicalPath);
412
63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 409
diff changeset
367 ds.read(impl.buildFileNameEncodingHelper());
348
a0864b2892cd Expose errors reading mercurial control files with exception
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parents: 337
diff changeset
368 return ds;
74
6f1b88693d48 Complete refactoring to org.tmatesoft
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diff changeset
369 }
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diff changeset
370
289
086a326f181f Provide public access to ignored files configuration to use in alternative file walkers
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diff changeset
371 /**
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372 * Access to configured set of ignored files.
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373 * @see HgIgnore#isIgnored(Path)
482
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374 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
289
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375 */
482
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diff changeset
376 public HgIgnore getIgnore() throws HgInvalidControlFileException {
91
c2ce1cfaeb9e ignore file with regex and 'honest' glob support
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377 // TODO read config for additional locations
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diff changeset
378 if (ignore == null) {
409
0f5696623512 Support glob path pattern rewrite to facilitate use of globs with Windows path separator
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parents: 407
diff changeset
379 ignore = new HgIgnore(getToRepoPathHelper());
482
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diff changeset
380 File ignoreFile = new File(getWorkingDir(), HgIgnore.getPath());
91
c2ce1cfaeb9e ignore file with regex and 'honest' glob support
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diff changeset
381 try {
335
3d41dc148d14 Do not fail with exception on syntax errors in .hgignore
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diff changeset
382 final List<String> errors = ignore.read(ignoreFile);
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diff changeset
383 if (errors != null) {
481
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diff changeset
384 getContext().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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diff changeset
385 }
91
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diff changeset
386 } catch (IOException ex) {
482
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diff changeset
387 final String m = String.format("Error reading %s file", ignoreFile);
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388 throw new HgInvalidControlFileException(m, ex, ignoreFile);
91
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389 }
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diff changeset
390 }
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diff changeset
391 return ignore;
74
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392 }
482
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diff changeset
393
481
a458f9fb00ce Access to user-supplied message of last commit
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parents: 471
diff changeset
394 /**
a458f9fb00ce Access to user-supplied message of last commit
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parents: 471
diff changeset
395 * 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
396 * This method provides this saved message.
a458f9fb00ce Access to user-supplied message of last commit
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parents: 471
diff changeset
397 *
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diff changeset
398 * @return message used for last commit attempt, or <code>null</code> if none
482
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diff changeset
399 * @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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parents: 471
diff changeset
400 */
482
6c67debed07e Distinguish files in wc from files under repo root, use these constants
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parents: 481
diff changeset
401 public String getCommitLastMessage() throws HgInvalidControlFileException {
6c67debed07e Distinguish files in wc from files under repo root, use these constants
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parents: 481
diff changeset
402 File lastMessage = new File(repoDir, LastMessage.getPath());
481
a458f9fb00ce Access to user-supplied message of last commit
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parents: 471
diff changeset
403 if (!lastMessage.canRead()) {
a458f9fb00ce Access to user-supplied message of last commit
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 471
diff changeset
404 return null;
a458f9fb00ce Access to user-supplied message of last commit
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parents: 471
diff changeset
405 }
a458f9fb00ce Access to user-supplied message of last commit
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parents: 471
diff changeset
406 FileReader fr = null;
a458f9fb00ce Access to user-supplied message of last commit
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parents: 471
diff changeset
407 try {
a458f9fb00ce Access to user-supplied message of last commit
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parents: 471
diff changeset
408 fr = new FileReader(lastMessage);
a458f9fb00ce Access to user-supplied message of last commit
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parents: 471
diff changeset
409 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
410 fr.read(cb);
a458f9fb00ce Access to user-supplied message of last commit
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parents: 471
diff changeset
411 return cb.flip().toString();
a458f9fb00ce Access to user-supplied message of last commit
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 471
diff changeset
412 } catch (IOException ex) {
a458f9fb00ce Access to user-supplied message of last commit
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parents: 471
diff changeset
413 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
414 } finally {
a458f9fb00ce Access to user-supplied message of last commit
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 471
diff changeset
415 if (fr != null) {
a458f9fb00ce Access to user-supplied message of last commit
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 471
diff changeset
416 try {
a458f9fb00ce Access to user-supplied message of last commit
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 471
diff changeset
417 fr.close();
a458f9fb00ce Access to user-supplied message of last commit
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 471
diff changeset
418 } catch (IOException ex) {
a458f9fb00ce Access to user-supplied message of last commit
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 471
diff changeset
419 getContext().getLog().dump(getClass(), Warn, "Failed to close %s after read", lastMessage);
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 }
a458f9fb00ce Access to user-supplied message of last commit
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 471
diff changeset
423 }
486
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
424
487
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 486
diff changeset
425 private HgRepositoryLock wdLock, storeLock;
486
d740edfff563 Provisional support for Mercurial lock mechanism
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parents: 484
diff changeset
426
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
427 /**
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
428 * PROVISIONAL CODE, DO NOT USE
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
429 *
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
430 * 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
431 * 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
432 *
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
433 * 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
434 * 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
435 *
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
436 * @return lock object, never <code>null</code>
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
437 */
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
438 @Experimental(reason="WORK IN PROGRESS")
487
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 486
diff changeset
439 public HgRepositoryLock getWorkingDirLock() {
486
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
440 if (wdLock == null) {
487
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 486
diff changeset
441 int timeout = getLockTimeout();
488
45b3b6ca046f Repository locking mechanism is alive
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 487
diff changeset
442 File lf = new File(getRepositoryRoot(), "wlock");
486
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
443 synchronized (this) {
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
444 if (wdLock == null) {
488
45b3b6ca046f Repository locking mechanism is alive
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 487
diff changeset
445 wdLock = new HgRepositoryLock(lf, timeout);
486
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 }
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
449 return wdLock;
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
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
452 @Experimental(reason="WORK IN PROGRESS")
487
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 486
diff changeset
453 public HgRepositoryLock getStoreLock() {
486
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
454 if (storeLock == null) {
487
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 486
diff changeset
455 int timeout = getLockTimeout();
488
45b3b6ca046f Repository locking mechanism is alive
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 487
diff changeset
456 File fl = new File(getRepositoryRoot(), repoPathHelper.rewrite("lock").toString());
486
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
457 synchronized (this) {
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
458 if (storeLock == null) {
488
45b3b6ca046f Repository locking mechanism is alive
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 487
diff changeset
459 storeLock = new HgRepositoryLock(fl, timeout);
486
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 }
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
463 return storeLock;
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
464 }
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
465
484
ae4d6604debd Bookmarks support added
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 483
diff changeset
466 /**
ae4d6604debd Bookmarks support added
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 483
diff changeset
467 * Access bookmarks-related functionality
ae4d6604debd Bookmarks support added
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 483
diff changeset
468 * @return facility to manage bookmarks, never <code>null</code>
ae4d6604debd Bookmarks support added
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 483
diff changeset
469 * @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
470 */
ae4d6604debd Bookmarks support added
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 483
diff changeset
471 public HgBookmarks getBookmarks() throws HgInvalidControlFileException {
ae4d6604debd Bookmarks support added
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 483
diff changeset
472 if (bookmarks == null) {
ae4d6604debd Bookmarks support added
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 483
diff changeset
473 bookmarks = new HgBookmarks(this);
ae4d6604debd Bookmarks support added
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 483
diff changeset
474 bookmarks.read();
ae4d6604debd Bookmarks support added
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 483
diff changeset
475 }
ae4d6604debd Bookmarks support added
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 483
diff changeset
476 return bookmarks;
ae4d6604debd Bookmarks support added
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 483
diff changeset
477 }
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 68
diff changeset
478
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 68
diff changeset
479 /*package-local*/ DataAccessProvider getDataAccess() {
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 68
diff changeset
480 return dataAccess;
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 68
diff changeset
481 }
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 68
diff changeset
482
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 1
diff changeset
483 /**
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 1
diff changeset
484 * Perhaps, should be separate interface, like ContentLookup
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 68
diff changeset
485 * path - repository storage path (i.e. one usually with .i or .d)
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 1
diff changeset
486 */
202
706bcc7cfee4 Basic test for HgIncomingCommand. Fix RepositoryComparator for cases when whole repository is unknown. Respect freshly initialized (empty) repositories in general.
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 197
diff changeset
487 /*package-local*/ RevlogStream resolve(Path path, boolean shallFakeNonExistent) {
74
6f1b88693d48 Complete refactoring to org.tmatesoft
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parents: 68
diff changeset
488 final SoftReference<RevlogStream> ref = streamsCache.get(path);
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 68
diff changeset
489 RevlogStream cached = ref == null ? null : ref.get();
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 68
diff changeset
490 if (cached != null) {
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
491 return cached;
6f1b88693d48 Complete refactoring to org.tmatesoft
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492 }
6f1b88693d48 Complete refactoring to org.tmatesoft
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diff changeset
493 File f = new File(repoDir, path.toString());
6f1b88693d48 Complete refactoring to org.tmatesoft
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parents: 68
diff changeset
494 if (f.exists()) {
6f1b88693d48 Complete refactoring to org.tmatesoft
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495 RevlogStream s = new RevlogStream(dataAccess, f);
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
496 if (impl.shallCacheRevlogs()) {
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
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497 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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498 }
74
6f1b88693d48 Complete refactoring to org.tmatesoft
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diff changeset
499 return s;
202
706bcc7cfee4 Basic test for HgIncomingCommand. Fix RepositoryComparator for cases when whole repository is unknown. Respect freshly initialized (empty) repositories in general.
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parents: 197
diff changeset
500 } else {
706bcc7cfee4 Basic test for HgIncomingCommand. Fix RepositoryComparator for cases when whole repository is unknown. Respect freshly initialized (empty) repositories in general.
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parents: 197
diff changeset
501 if (shallFakeNonExistent) {
706bcc7cfee4 Basic test for HgIncomingCommand. Fix RepositoryComparator for cases when whole repository is unknown. Respect freshly initialized (empty) repositories in general.
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 197
diff changeset
502 try {
706bcc7cfee4 Basic test for HgIncomingCommand. Fix RepositoryComparator for cases when whole repository is unknown. Respect freshly initialized (empty) repositories in general.
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parents: 197
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503 File fake = File.createTempFile(f.getName(), null);
706bcc7cfee4 Basic test for HgIncomingCommand. Fix RepositoryComparator for cases when whole repository is unknown. Respect freshly initialized (empty) repositories in general.
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parents: 197
diff changeset
504 fake.deleteOnExit();
706bcc7cfee4 Basic test for HgIncomingCommand. Fix RepositoryComparator for cases when whole repository is unknown. Respect freshly initialized (empty) repositories in general.
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parents: 197
diff changeset
505 return new RevlogStream(dataAccess, fake);
706bcc7cfee4 Basic test for HgIncomingCommand. Fix RepositoryComparator for cases when whole repository is unknown. Respect freshly initialized (empty) repositories in general.
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 197
diff changeset
506 } catch (IOException ex) {
456
909306e412e2 Refactor LogFacility and SessionContext, better API for both
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 431
diff changeset
507 getContext().getLog().dump(getClass(), Info, ex, null);
202
706bcc7cfee4 Basic test for HgIncomingCommand. Fix RepositoryComparator for cases when whole repository is unknown. Respect freshly initialized (empty) repositories in general.
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 197
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508 }
706bcc7cfee4 Basic test for HgIncomingCommand. Fix RepositoryComparator for cases when whole repository is unknown. Respect freshly initialized (empty) repositories in general.
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 197
diff changeset
509 }
74
6f1b88693d48 Complete refactoring to org.tmatesoft
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diff changeset
510 }
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
511 return null; // XXX empty stream instead?
6f1b88693d48 Complete refactoring to org.tmatesoft
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diff changeset
512 }
114
46291ec605a0 Filters to read and initialize according to configuration files
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diff changeset
513
46291ec605a0 Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 104
diff changeset
514 /*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
515 return instantiateFilters(p, new Filter.Options(Filter.Direction.FromRepo));
46291ec605a0 Filters to read and initialize according to configuration files
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parents: 104
diff changeset
516 }
46291ec605a0 Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 104
diff changeset
517
46291ec605a0 Filters to read and initialize according to configuration files
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parents: 104
diff changeset
518 /*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
519 return instantiateFilters(p, new Filter.Options(Filter.Direction.ToRepo));
46291ec605a0 Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 104
diff changeset
520 }
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
521
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
522 /*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
523 return new File(getWorkingDir(), dataFile.getPath().toString());
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
524 }
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 292
diff changeset
525
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 292
diff changeset
526 /*package-local*/ SessionContext getContext() {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 292
diff changeset
527 return sessionContext;
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 292
diff changeset
528 }
412
63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 409
diff changeset
529
63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 409
diff changeset
530 /*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
531 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
532 }
114
46291ec605a0 Filters to read and initialize according to configuration files
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parents: 104
diff changeset
533
46291ec605a0 Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 104
diff changeset
534 private List<Filter> instantiateFilters(Path p, Filter.Options opts) {
331
a37ce7145c3f Access to repository configuration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 318
diff changeset
535 List<Filter.Factory> factories = impl.getFilters(this);
114
46291ec605a0 Filters to read and initialize according to configuration files
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parents: 104
diff changeset
536 if (factories.isEmpty()) {
46291ec605a0 Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 104
diff changeset
537 return Collections.emptyList();
46291ec605a0 Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 104
diff changeset
538 }
46291ec605a0 Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 104
diff changeset
539 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
540 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
541 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
542 if (f != null) {
46291ec605a0 Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 104
diff changeset
543 rv.add(f);
46291ec605a0 Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 104
diff changeset
544 }
46291ec605a0 Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 104
diff changeset
545 }
46291ec605a0 Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 104
diff changeset
546 return rv;
46291ec605a0 Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 104
diff changeset
547 }
487
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 486
diff changeset
548
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 486
diff changeset
549 private int getLockTimeout() {
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 486
diff changeset
550 return getConfiguration().getIntegerValue("ui", "timeout", 600);
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 486
diff changeset
551 }
0
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
552 }