Mercurial > jhg

annotate src/org/tmatesoft/hg/repo/HgRepository.java @ 502:37d97854c6ad

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Respect changesets with no list of changed files, as discovered with Issue 41
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Mon, 29 Oct 2012 20:06:16 +0100
parents d2f6ab541330
children bf352ce2b97f
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.Experimental;
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38 import org.tmatesoft.hg.internal.Filter;
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30922c728341 Better multiline log printout; options to tune default log output
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39 import org.tmatesoft.hg.internal.Internals;
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c677e1593919 Moved RevlogStream implementation into .internal
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40 import org.tmatesoft.hg.internal.RevlogStream;
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41 import org.tmatesoft.hg.internal.SubrepoManager;
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42 import org.tmatesoft.hg.repo.ext.HgExtensionsManager;
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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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a3576694a4d1 Repository detection from local/specified directory
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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 implements SessionContext.Source {
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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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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 /*
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104 * normalized slashes but otherwise regular file names
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105 * the only front-end path rewrite, kept here as rest of the library shall
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106 * not bother with names normalization.
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107 */
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108 private final PathRewrite normalizePath;
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109 private final SessionContext sessionContext;
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111 private HgChangelog changelog;
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112 private HgManifest manifest;
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113 private HgTags tags;
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114 private HgBranches branches;
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115 private HgMergeState mergeState;
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116 private SubrepoManager subRepos;
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117 private HgBookmarks bookmarks;
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118 private HgExtensionsManager extManager;
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119
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120 // XXX perhaps, shall enable caching explicitly
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121 private final HashMap<Path, SoftReference<RevlogStream>> streamsCache = new HashMap<Path, SoftReference<RevlogStream>>();
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122
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123 private final org.tmatesoft.hg.internal.Internals impl;
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124 private HgIgnore ignore;
331
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125 private HgRepoConfig repoConfig;
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126
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127 /*
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128 * TODO [post-1.0] move to a better place, e.g. WorkingCopy container that tracks both dirstate and branches
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129 * (and, perhaps, undo, lastcommit and other similar information), and is change listener so that we don't need to
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130 * worry about this cached value become stale
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131 */
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132 private String wcBranch;
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133
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134
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135 HgRepository(String repositoryPath) {
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136 repoDir = null;
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137 workingDir = null;
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138 repoLocation = repositoryPath;
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139 normalizePath = null;
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140 sessionContext = null;
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141 impl = null;
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142 }
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143
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144 /**
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145 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
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146 */
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147 HgRepository(SessionContext ctx, String repositoryPath, File repositoryRoot) throws HgRuntimeException {
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148 assert ".hg".equals(repositoryRoot.getName()) && repositoryRoot.isDirectory();
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149 assert repositoryPath != null;
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150 assert repositoryRoot != null;
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151 assert ctx != null;
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152 repoDir = repositoryRoot;
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153 workingDir = repoDir.getParentFile();
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154 if (workingDir == null) {
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155 throw new IllegalArgumentException(repoDir.toString());
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156 }
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157 repoLocation = repositoryPath;
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158 sessionContext = ctx;
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159 impl = new org.tmatesoft.hg.internal.Internals(this, repositoryRoot);
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160 normalizePath = impl.buildNormalizePathRewrite();
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161 }
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162
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163 @Override
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164 public String toString() {
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165 return getClass().getSimpleName() + "[" + getLocation() + (isInvalid() ? "(BAD)" : "") + "]";
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166 }
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167
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168 /**
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169 * Path to repository which has been used to initialize this instance. The value is always present, even
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170 * if no repository has been found at that location ({@link #isInvalid()} is <code>true</code>) and serves
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171 * as an extra description of the failure.
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172 *
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173 * <p> It's important to understand this is purely descriptive attribute, it's kept as close as possible to
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174 * original value users supply to {@link HgLookup}. To get actual repository location, use methods that
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175 * provide {@link File}, e.g. {@link #getWorkingDir()}
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176 *
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177 * @return repository location information, never <code>null</code>
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178 */
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179 public String getLocation() {
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180 return repoLocation;
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181 }
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182
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183 public boolean isInvalid() {
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184 return impl == null || impl.isInvalid();
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185 }
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186
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187 public HgChangelog getChangelog() {
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188 if (changelog == null) {
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189 File chlogFile = impl.getFileFromStoreDir("00changelog.i");
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190 if (!chlogFile.exists()) {
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191 // fake its existence
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192 chlogFile = fakeNonExistentFile(chlogFile);
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193 }
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194 RevlogStream content = new RevlogStream(impl.getDataAccess(), chlogFile);
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195 changelog = new HgChangelog(this, content);
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196 }
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197 return changelog;
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198 }
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199
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200 public HgManifest getManifest() {
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201 if (manifest == null) {
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202 File manifestFile = impl.getFileFromStoreDir("00manifest.i");
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203 if (!manifestFile.exists()) {
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204 manifestFile = fakeNonExistentFile(manifestFile);
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205 }
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206 RevlogStream content = new RevlogStream(impl.getDataAccess(), manifestFile);
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207 manifest = new HgManifest(this, content, impl.buildFileNameEncodingHelper());
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208 }
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209 return manifest;
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210 }
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211
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212 /**
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213 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
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214 */
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215 public HgTags getTags() throws HgInvalidControlFileException {
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216 if (tags == null) {
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217 tags = new HgTags(this);
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218 HgDataFile hgTags = getFileNode(HgTags.getPath());
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219 if (hgTags.exists()) {
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220 for (int i = 0; i <= hgTags.getLastRevision(); i++) { // TODO post-1.0 in fact, would be handy to have walk(start,end)
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221 // method for data files as well, though it looks odd.
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222 try {
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223 ByteArrayChannel sink = new ByteArrayChannel();
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224 hgTags.content(i, sink);
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225 final String content = new String(sink.toArray(), "UTF8");
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226 tags.readGlobal(new StringReader(content));
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227 } catch (CancelledException ex) {
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228 // IGNORE, can't happen, we did not configure cancellation
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229 getSessionContext().getLog().dump(getClass(), Debug, ex, null);
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230 } catch (IOException ex) {
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231 // UnsupportedEncodingException can't happen (UTF8)
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232 // only from readGlobal. Need to reconsider exceptions thrown from there:
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233 // BufferedReader wraps String and unlikely to throw IOException, perhaps, log is enough?
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234 getSessionContext().getLog().dump(getClass(), Error, ex, null);
318
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235 // XXX need to decide what to do this. failure to read single revision shall not break complete cycle
234
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236 }
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237 }
318
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238 }
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239 File file2read = null;
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240 try {
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241 file2read = new File(getWorkingDir(), HgTags.getPath());
318
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242 tags.readGlobal(file2read); // XXX replace with HgDataFile.workingCopy
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243 file2read = impl.getFileFromRepoDir(HgLocalTags.getName()); // XXX pass internalrepo to readLocal, keep filename there
318
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244 tags.readLocal(file2read);
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245 } catch (IOException ex) {
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246 getSessionContext().getLog().dump(getClass(), Error, ex, null);
318
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247 throw new HgInvalidControlFileException("Failed to read tags", ex, file2read);
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248 }
50
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249 }
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250 return tags;
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251 }
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252
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253 /**
484
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254 * Access branch information
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255 * @return branch manager instance, never <code>null</code>
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256 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
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257 */
366
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258 public HgBranches getBranches() throws HgInvalidControlFileException {
220
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259 if (branches == null) {
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260 branches = new HgBranches(impl);
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261 branches.collect(ProgressSupport.Factory.get(null));
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262 }
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263 return branches;
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264 }
231
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265
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266 /**
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267 * Access state of the recent merge
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268 * @return merge state facility, never <code>null</code>
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269 */
231
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270 public HgMergeState getMergeState() {
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271 if (mergeState == null) {
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272 mergeState = new HgMergeState(impl);
231
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273 }
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274 return mergeState;
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275 }
220
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276
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277 public HgDataFile getFileNode(String path) {
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278 CharSequence nPath = normalizePath.rewrite(path);
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279 Path p = Path.create(nPath);
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280 return getFileNode(p);
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281 }
1
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282
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283 public HgDataFile getFileNode(Path path) {
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284 RevlogStream content = resolveStoreFile(path);
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285 if (content == null) {
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286 return new HgDataFile(this, path);
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287 }
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288 return new HgDataFile(this, path, content);
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289 }
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290
142
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291 /* clients need to rewrite path from their FS to a repository-friendly paths, and, perhaps, vice versa*/
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292 public PathRewrite getToRepoPathHelper() {
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293 return normalizePath;
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294 }
284
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295
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296 /**
348
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297 * @return pair of values, {@link Pair#first()} and {@link Pair#second()} are respective parents, never <code>null</code>.
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298 * @throws HgInvalidControlFileException if attempt to read information about working copy parents from dirstate failed
284
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299 */
348
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300 public Pair<Nodeid,Nodeid> getWorkingCopyParents() throws HgInvalidControlFileException {
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301 return HgDirstate.readParents(impl);
235
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302 }
252
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303
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304 /**
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305 * @return name of the branch associated with working directory, never <code>null</code>.
348
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306 * @throws HgInvalidControlFileException if attempt to read branch name failed.
252
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307 */
348
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308 public String getWorkingCopyBranchName() throws HgInvalidControlFileException {
430
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diff changeset
309 if (wcBranch == null) {
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diff changeset
310 wcBranch = HgDirstate.readBranch(impl);
430
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311 }
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312 return wcBranch;
252
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313 }
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314
237
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315 /**
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316 * @return location where user files (shall) reside
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317 */
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318 public File getWorkingDir() {
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319 return workingDir;
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320 }
239
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321
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322 /**
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323 * Provides access to sub-repositories defined in this repository. Enumerated sub-repositories are those directly
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324 * known, not recursive collection of all nested sub-repositories.
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325 * @return list of all known sub-repositories in this repository, or empty list if none found.
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326 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
239
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327 */
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328 public List<HgSubrepoLocation> getSubrepositories() throws HgInvalidControlFileException {
239
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329 if (subRepos == null) {
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330 subRepos = new SubrepoManager(this);
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331 subRepos.read();
239
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332 }
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333 return subRepos.all();
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334 }
237
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335
331
a37ce7145c3f Access to repository configuration
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336
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337 public HgRepoConfig getConfiguration() /* XXX throws HgInvalidControlFileException? Description of the exception suggests it is only for files under ./hg/*/ {
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338 if (repoConfig == null) {
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339 try {
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340 ConfigFile configFile = impl.readConfiguration();
331
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341 repoConfig = new HgRepoConfig(configFile);
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342 } catch (IOException ex) {
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343 String m = "Errors while reading user configuration file";
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344 getSessionContext().getLog().dump(getClass(), Warn, ex, m);
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345 return new HgRepoConfig(new ConfigFile(getSessionContext())); // empty config, do not cache, allow to try once again
331
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346 //throw new HgInvalidControlFileException(m, ex, null);
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347 }
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348 }
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349 return repoConfig;
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350 }
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diff changeset
351
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352 // 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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353 // XXX consider passing Path pool or factory to produce (shared) Path instead of Strings
431
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354 /*package-local*/ final HgDirstate loadDirstate(Path.Source pathFactory) throws HgInvalidControlFileException {
292
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diff changeset
355 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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356 if (!impl.isCaseSensitiveFileSystem()) {
292
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diff changeset
357 canonicalPath = new PathRewrite() {
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358
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359 public CharSequence rewrite(CharSequence path) {
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360 return path.toString().toLowerCase();
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361 }
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362 };
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363 }
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
364 HgDirstate ds = new HgDirstate(impl, pathFactory, canonicalPath);
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365 ds.read();
348
a0864b2892cd Expose errors reading mercurial control files with exception
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diff changeset
366 return ds;
74
6f1b88693d48 Complete refactoring to org.tmatesoft
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367 }
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368
289
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369 /**
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370 * Access to configured set of ignored files.
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371 * @see HgIgnore#isIgnored(Path)
482
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372 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
289
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373 */
482
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374 public HgIgnore getIgnore() throws HgInvalidControlFileException {
91
c2ce1cfaeb9e ignore file with regex and 'honest' glob support
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375 // TODO read config for additional locations
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376 if (ignore == null) {
409
0f5696623512 Support glob path pattern rewrite to facilitate use of globs with Windows path separator
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377 ignore = new HgIgnore(getToRepoPathHelper());
482
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378 File ignoreFile = new File(getWorkingDir(), HgIgnore.getPath());
91
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379 try {
335
3d41dc148d14 Do not fail with exception on syntax errors in .hgignore
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380 final List<String> errors = ignore.read(ignoreFile);
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381 if (errors != null) {
490
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382 getSessionContext().getLog().dump(getClass(), Warn, "Syntax errors parsing %s:\n%s", ignoreFile.getName(), Internals.join(errors, ",\n"));
335
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383 }
91
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384 } catch (IOException ex) {
482
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385 final String m = String.format("Error reading %s file", ignoreFile);
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386 throw new HgInvalidControlFileException(m, ex, ignoreFile);
91
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387 }
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388 }
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389 return ignore;
74
6f1b88693d48 Complete refactoring to org.tmatesoft
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390 }
482
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diff changeset
391
481
a458f9fb00ce Access to user-supplied message of last commit
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diff changeset
392 /**
a458f9fb00ce Access to user-supplied message of last commit
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diff changeset
393 * 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
394 * This method provides this saved message.
a458f9fb00ce Access to user-supplied message of last commit
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diff changeset
395 *
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diff changeset
396 * @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
397 * @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
398 */
482
6c67debed07e Distinguish files in wc from files under repo root, use these constants
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diff changeset
399 public String getCommitLastMessage() throws HgInvalidControlFileException {
490
b3c16d1aede0 Refactoring: move HgRepository's implementation aspects to Internals (which is now its imlementation counterpart and primary repository class to be used by other parts of the library)
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diff changeset
400 File lastMessage = impl.getFileFromRepoDir(LastMessage.getPath());
481
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diff changeset
401 if (!lastMessage.canRead()) {
a458f9fb00ce Access to user-supplied message of last commit
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diff changeset
402 return null;
a458f9fb00ce Access to user-supplied message of last commit
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parents: 471
diff changeset
403 }
a458f9fb00ce Access to user-supplied message of last commit
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parents: 471
diff changeset
404 FileReader fr = null;
a458f9fb00ce Access to user-supplied message of last commit
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parents: 471
diff changeset
405 try {
a458f9fb00ce Access to user-supplied message of last commit
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diff changeset
406 fr = new FileReader(lastMessage);
a458f9fb00ce Access to user-supplied message of last commit
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diff changeset
407 CharBuffer cb = CharBuffer.allocate(Internals.ltoi(lastMessage.length()));
a458f9fb00ce Access to user-supplied message of last commit
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diff changeset
408 fr.read(cb);
a458f9fb00ce Access to user-supplied message of last commit
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diff changeset
409 return cb.flip().toString();
a458f9fb00ce Access to user-supplied message of last commit
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parents: 471
diff changeset
410 } catch (IOException ex) {
a458f9fb00ce Access to user-supplied message of last commit
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diff changeset
411 throw new HgInvalidControlFileException("Can't retrieve message of last commit attempt", ex, lastMessage);
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parents: 471
diff changeset
412 } finally {
a458f9fb00ce Access to user-supplied message of last commit
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parents: 471
diff changeset
413 if (fr != null) {
a458f9fb00ce Access to user-supplied message of last commit
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parents: 471
diff changeset
414 try {
a458f9fb00ce Access to user-supplied message of last commit
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parents: 471
diff changeset
415 fr.close();
a458f9fb00ce Access to user-supplied message of last commit
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parents: 471
diff changeset
416 } catch (IOException ex) {
490
b3c16d1aede0 Refactoring: move HgRepository's implementation aspects to Internals (which is now its imlementation counterpart and primary repository class to be used by other parts of the library)
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parents: 488
diff changeset
417 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
418 }
a458f9fb00ce Access to user-supplied message of last commit
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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 }
486
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
422
487
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
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parents: 486
diff changeset
423 private HgRepositoryLock wdLock, storeLock;
486
d740edfff563 Provisional support for Mercurial lock mechanism
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parents: 484
diff changeset
424
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 * PROVISIONAL CODE, DO NOT USE
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 * Access repository lock that covers non-store parts of the repository (dirstate, branches, etc -
d740edfff563 Provisional support for Mercurial lock mechanism
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parents: 484
diff changeset
429 * everything that has to do with working directory state).
d740edfff563 Provisional support for Mercurial lock mechanism
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parents: 484
diff changeset
430 *
d740edfff563 Provisional support for Mercurial lock mechanism
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parents: 484
diff changeset
431 * Note, the lock object returned merely gives access to lock mechanism. NO ACTUAL LOCKING IS DONE.
487
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
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parents: 486
diff changeset
432 * Use {@link HgRepositoryLock#acquire()} to actually lock the repository.
486
d740edfff563 Provisional support for Mercurial lock mechanism
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parents: 484
diff changeset
433 *
d740edfff563 Provisional support for Mercurial lock mechanism
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parents: 484
diff changeset
434 * @return lock object, never <code>null</code>
d740edfff563 Provisional support for Mercurial lock mechanism
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parents: 484
diff changeset
435 */
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
436 @Experimental(reason="WORK IN PROGRESS")
487
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 486
diff changeset
437 public HgRepositoryLock getWorkingDirLock() {
486
d740edfff563 Provisional support for Mercurial lock mechanism
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parents: 484
diff changeset
438 if (wdLock == null) {
487
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 486
diff changeset
439 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>
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diff changeset
440 File lf = impl.getFileFromRepoDir("wlock");
486
d740edfff563 Provisional support for Mercurial lock mechanism
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parents: 484
diff changeset
441 synchronized (this) {
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
442 if (wdLock == null) {
488
45b3b6ca046f Repository locking mechanism is alive
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 487
diff changeset
443 wdLock = new HgRepositoryLock(lf, timeout);
486
d740edfff563 Provisional support for Mercurial lock mechanism
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parents: 484
diff changeset
444 }
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
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diff changeset
447 return wdLock;
d740edfff563 Provisional support for Mercurial lock mechanism
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diff changeset
448 }
d740edfff563 Provisional support for Mercurial lock mechanism
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diff changeset
449
d740edfff563 Provisional support for Mercurial lock mechanism
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diff changeset
450 @Experimental(reason="WORK IN PROGRESS")
487
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
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diff changeset
451 public HgRepositoryLock getStoreLock() {
486
d740edfff563 Provisional support for Mercurial lock mechanism
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diff changeset
452 if (storeLock == null) {
487
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
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parents: 486
diff changeset
453 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
454 File fl = impl.getFileFromStoreDir("lock");
486
d740edfff563 Provisional support for Mercurial lock mechanism
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diff changeset
455 synchronized (this) {
d740edfff563 Provisional support for Mercurial lock mechanism
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parents: 484
diff changeset
456 if (storeLock == null) {
488
45b3b6ca046f Repository locking mechanism is alive
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diff changeset
457 storeLock = new HgRepositoryLock(fl, timeout);
486
d740edfff563 Provisional support for Mercurial lock mechanism
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parents: 484
diff changeset
458 }
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 return storeLock;
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
484
ae4d6604debd Bookmarks support added
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 483
diff changeset
464 /**
ae4d6604debd Bookmarks support added
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parents: 483
diff changeset
465 * Access bookmarks-related functionality
ae4d6604debd Bookmarks support added
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parents: 483
diff changeset
466 * @return facility to manage bookmarks, never <code>null</code>
ae4d6604debd Bookmarks support added
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parents: 483
diff changeset
467 * @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
468 */
ae4d6604debd Bookmarks support added
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parents: 483
diff changeset
469 public HgBookmarks getBookmarks() throws HgInvalidControlFileException {
ae4d6604debd Bookmarks support added
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parents: 483
diff changeset
470 if (bookmarks == null) {
490
b3c16d1aede0 Refactoring: move HgRepository's implementation aspects to Internals (which is now its imlementation counterpart and primary repository class to be used by other parts of the library)
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parents: 488
diff changeset
471 bookmarks = new HgBookmarks(impl);
484
ae4d6604debd Bookmarks support added
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diff changeset
472 bookmarks.read();
ae4d6604debd Bookmarks support added
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diff changeset
473 }
ae4d6604debd Bookmarks support added
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parents: 483
diff changeset
474 return bookmarks;
ae4d6604debd Bookmarks support added
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 483
diff changeset
475 }
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
476
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 public HgExtensionsManager getExtensions() {
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478 if (extManager == null) {
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479 class EM extends HgExtensionsManager {
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480 EM() {
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481 super(HgRepository.this.getImplHelper());
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482 }
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483 }
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484 extManager = new EM();
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485 }
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486 return extManager;
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487 }
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488
490
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489 /**
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490 * @return session environment of the repository
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491 */
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492 public SessionContext getSessionContext() {
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493 return sessionContext;
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494 }
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495
2
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496 /**
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497 * Perhaps, should be separate interface, like ContentLookup
493
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498 * @param path - normalized file name
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499 * @return <code>null</code> if path doesn't resolve to a existing file
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500 */
493
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501 /*package-local*/ RevlogStream resolveStoreFile(Path path) {
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502 final SoftReference<RevlogStream> ref = streamsCache.get(path);
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503 RevlogStream cached = ref == null ? null : ref.get();
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504 if (cached != null) {
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505 return cached;
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506 }
493
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507 File f = impl.getFileFromDataDir(path);
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508 if (f.exists()) {
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509 RevlogStream s = new RevlogStream(impl.getDataAccess(), f);
388
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510 if (impl.shallCacheRevlogs()) {
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511 streamsCache.put(path, new SoftReference<RevlogStream>(s));
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512 }
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513 return s;
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514 }
493
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515 return null;
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516 }
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517
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diff changeset
518 private File fakeNonExistentFile(File expected) throws HgInvalidFileException {
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diff changeset
519 try {
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520 File fake = File.createTempFile(expected.getName(), null);
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521 fake.deleteOnExit();
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522 return fake;
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523 } catch (IOException ex) {
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524 getSessionContext().getLog().dump(getClass(), Info, ex, null);
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525 throw new HgInvalidFileException(String.format("Failed to fake existence of file %s", expected), ex);
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526 }
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527 }
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528
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529 /*package-local*/ List<Filter> getFiltersFromRepoToWorkingDir(Path p) {
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530 return instantiateFilters(p, new Filter.Options(Filter.Direction.FromRepo));
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531 }
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532
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533 /*package-local*/ List<Filter> getFiltersFromWorkingDirToRepo(Path p) {
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534 return instantiateFilters(p, new Filter.Options(Filter.Direction.ToRepo));
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535 }
237
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536
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537 /*package-local*/ File getFile(HgDataFile dataFile) {
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538 return new File(getWorkingDir(), dataFile.getPath().toString());
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539 }
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
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diff changeset
540
412
63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate
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diff changeset
541 /*package-local*/ Internals getImplHelper() {
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diff changeset
542 return impl;
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diff changeset
543 }
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diff changeset
544
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diff changeset
545 private List<Filter> instantiateFilters(Path p, Filter.Options opts) {
490
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diff changeset
546 List<Filter.Factory> factories = impl.getFilters();
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547 if (factories.isEmpty()) {
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diff changeset
548 return Collections.emptyList();
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diff changeset
549 }
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diff changeset
550 ArrayList<Filter> rv = new ArrayList<Filter>(factories.size());
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diff changeset
551 for (Filter.Factory ff : factories) {
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diff changeset
552 Filter f = ff.create(p, opts);
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diff changeset
553 if (f != null) {
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diff changeset
554 rv.add(f);
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diff changeset
555 }
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diff changeset
556 }
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diff changeset
557 return rv;
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diff changeset
558 }
487
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 486
diff changeset
559
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 486
diff changeset
560 private int getLockTimeout() {
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diff changeset
561 return getConfiguration().getIntegerValue("ui", "timeout", 600);
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
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diff changeset
562 }
0
dbd663faec1f Basic changelog parsing
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parents:
diff changeset
563 }