annotate src/org/tmatesoft/hg/repo/HgWorkingCopyStatusCollector.java @ 430:d280759c2a3f

branch information is not directly related to dirstate, clean API from this dependency
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Thu, 29 Mar 2012 18:48:23 +0200
parents cd658b24a620
children 12f668401613
rev   line source
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1 /*
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2 * Copyright (c) 2011-2012 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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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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18
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19 import static java.lang.Math.max;
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20 import static java.lang.Math.min;
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21 import static org.tmatesoft.hg.repo.HgRepository.*;
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23 import java.io.File;
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24 import java.io.IOException;
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25 import java.nio.ByteBuffer;
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26 import java.nio.channels.ReadableByteChannel;
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27 import java.util.ArrayList;
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28 import java.util.Collections;
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29 import java.util.NoSuchElementException;
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30 import java.util.Set;
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31 import java.util.TreeSet;
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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.Experimental;
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37 import org.tmatesoft.hg.internal.FilterByteChannel;
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38 import org.tmatesoft.hg.internal.Internals;
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39 import org.tmatesoft.hg.internal.ManifestRevision;
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40 import org.tmatesoft.hg.internal.PathScope;
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41 import org.tmatesoft.hg.internal.Preview;
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42 import org.tmatesoft.hg.util.Adaptable;
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43 import org.tmatesoft.hg.util.ByteChannel;
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44 import org.tmatesoft.hg.util.CancelSupport;
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45 import org.tmatesoft.hg.util.CancelledException;
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46 import org.tmatesoft.hg.util.FileInfo;
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47 import org.tmatesoft.hg.util.FileIterator;
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48 import org.tmatesoft.hg.util.FileWalker;
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49 import org.tmatesoft.hg.util.Path;
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50 import org.tmatesoft.hg.util.PathPool;
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51 import org.tmatesoft.hg.util.PathRewrite;
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52 import org.tmatesoft.hg.util.RegularFileInfo;
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54 /**
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55 *
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56 * @author Artem Tikhomirov
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57 * @author TMate Software Ltd.
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58 */
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59 public class HgWorkingCopyStatusCollector {
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61 private final HgRepository repo;
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62 private final FileIterator repoWalker;
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63 private HgDirstate dirstate;
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64 private HgStatusCollector baseRevisionCollector;
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65 private PathPool pathPool;
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66 private ManifestRevision dirstateParentManifest;
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67
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68 /**
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69 * Collector that iterates over complete working copy
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70 */
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71 public HgWorkingCopyStatusCollector(HgRepository hgRepo) {
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72 this(hgRepo, new HgInternals(hgRepo).createWorkingDirWalker(null));
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73 }
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75 /**
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76 * Collector may analyze and report status for any arbitrary sub-tree of the working copy.
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77 * File iterator shall return names of the files relative to the repository root.
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78 *
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79 * @param hgRepo status target repository
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80 * @param workingCopyWalker iterator over files in the working copy
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81 */
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82 public HgWorkingCopyStatusCollector(HgRepository hgRepo, FileIterator workingCopyWalker) {
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83 repo = hgRepo;
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84 repoWalker = workingCopyWalker;
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85 }
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87 /**
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88 * Optionally, supply a collector instance that may cache (or have already cached) base revision
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89 * @param sc may be null
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90 */
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91 public void setBaseRevisionCollector(HgStatusCollector sc) {
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92 baseRevisionCollector = sc;
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93 }
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95 /*package-local*/ PathPool getPathPool() {
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96 if (pathPool == null) {
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97 if (baseRevisionCollector == null) {
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98 pathPool = new PathPool(new PathRewrite.Empty());
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99 } else {
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100 return baseRevisionCollector.getPathPool();
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101 }
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102 }
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103 return pathPool;
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104 }
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105
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106 public void setPathPool(PathPool pathPool) {
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107 this.pathPool = pathPool;
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108 }
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109
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110 /**
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111 * Access to directory state information this collector uses.
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112 * @return directory state holder, never <code>null</code>
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113 */
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114 public HgDirstate getDirstate() throws HgInvalidControlFileException {
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115 if (dirstate == null) {
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116 dirstate = repo.loadDirstate(getPathPool());
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117 }
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118 return dirstate;
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119 }
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120
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121 private HgDirstate getDirstateImpl() {
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122 return dirstate;
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123 }
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124
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125 private ManifestRevision getManifest(int changelogLocalRev) throws HgInvalidControlFileException {
284
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126 assert changelogLocalRev >= 0;
282
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127 ManifestRevision mr;
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128 if (baseRevisionCollector != null) {
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129 mr = baseRevisionCollector.raw(changelogLocalRev);
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130 } else {
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131 mr = new ManifestRevision(null, null);
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132 repo.getManifest().walk(changelogLocalRev, changelogLocalRev, mr);
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133 }
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134 return mr;
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135 }
354
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136
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137 private void initDirstateParentManifest() throws HgInvalidControlFileException {
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138 Nodeid dirstateParent = getDirstateImpl().parents().first();
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139 if (dirstateParent.isNull()) {
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140 dirstateParentManifest = baseRevisionCollector != null ? baseRevisionCollector.raw(NO_REVISION) : HgStatusCollector.createEmptyManifestRevision();
354
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141 } else {
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142 int changeloRevIndex = repo.getChangelog().getRevisionIndex(dirstateParent);
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143 dirstateParentManifest = getManifest(changeloRevIndex);
354
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144 }
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145 }
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146
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147 // WC not necessarily points to TIP, but may be result of update to any previous revision.
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148 // In such case, we need to compare local files not to their TIP content, but to specific version at the time of selected revision
282
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149 private ManifestRevision getDirstateParentManifest() {
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150 return dirstateParentManifest;
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151 }
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152
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153 /**
429
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154 * Walk working copy, analyze status for each file found and missing.
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155 * May be invoked few times.
423
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156 *
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157 * <p>There's no dedicated constant to for working copy parent, at least now.
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158 * Use {@link HgRepository#WORKING_COPY} to indicate comparison
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159 * shall be run against working copy parent. Although a bit confusing, single case doesn't
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160 * justify a dedicated constant.
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161 *
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162 * @param baseRevision revision index to check against, or {@link HgRepository#WORKING_COPY}. Note, {@link HgRepository#TIP} is not supported.
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163 * @param inspector callback to receive status information
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164 * @throws IOException to propagate IO errors from {@link FileIterator}
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165 * @throws CancelledException if operation execution was cancelled
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166 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
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167 */
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168 public void walk(int baseRevision, HgStatusInspector inspector) throws IOException, CancelledException, HgRuntimeException {
367
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169 if (HgInternals.wrongRevisionIndex(baseRevision) || baseRevision == BAD_REVISION) {
425
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170 throw new HgInvalidRevisionException(baseRevision);
218
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171 }
362
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172 if (getDirstateImpl() == null) {
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173 getDirstate();
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174 }
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175 if (getDirstateParentManifest() == null) {
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176 initDirstateParentManifest();
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177 }
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178 // XXX NOTE, use of TIP for working copy parent is questionable, at least. Instead, TIP shall mean latest cset or not allowed at all
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179 ManifestRevision collect = null; // non null indicates we compare against base revision
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180 Set<Path> baseRevFiles = Collections.emptySet(); // files from base revision not affected by status calculation
282
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181 if (baseRevision != TIP && baseRevision != WORKING_COPY) {
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182 collect = getManifest(baseRevision);
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183 baseRevFiles = new TreeSet<Path>(collect.files());
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184 }
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185 if (inspector instanceof HgStatusCollector.Record) {
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186 HgStatusCollector sc = baseRevisionCollector == null ? new HgStatusCollector(repo) : baseRevisionCollector;
282
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187 // nodeidAfterChange(dirstate's parent) doesn't make too much sense,
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188 // because the change might be actually in working copy. Nevertheless,
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189 // as long as no nodeids can be provided for WC, seems reasonable to report
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190 // latest known nodeid change (although at the moment this is not used and
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191 // is done mostly not to leave stale initialization in the Record)
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192 int rev1,rev2 = getDirstateParentManifest().changesetLocalRev();
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193 if (baseRevision == TIP || baseRevision == WORKING_COPY) {
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194 rev1 = rev2 - 1; // just use revision prior to dirstate's parent
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195 } else {
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196 rev1 = baseRevision;
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197 }
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198 ((HgStatusCollector.Record) inspector).init(rev1, rev2, sc);
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199 }
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200 final CancelSupport cs = CancelSupport.Factory.get(inspector);
282
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201 final HgIgnore hgIgnore = repo.getIgnore();
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202 repoWalker.reset();
293
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203 TreeSet<Path> processed = new TreeSet<Path>(); // names of files we handled as they known to Dirstate (not FileIterator)
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204 final HgDirstate ds = getDirstateImpl();
293
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205 TreeSet<Path> knownEntries = ds.all(); // here just to get dirstate initialized
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206 while (repoWalker.hasNext()) {
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207 cs.checkCancelled();
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208 repoWalker.next();
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209 final Path fname = getPathPool().path(repoWalker.name());
287
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210 FileInfo f = repoWalker.file();
293
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211 Path knownInDirstate;
226
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212 if (!f.exists()) {
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213 // file coming from iterator doesn't exist.
293
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214 if ((knownInDirstate = ds.known(fname)) != null) {
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215 // found in dirstate
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216 processed.add(knownInDirstate);
294
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217 if (ds.checkRemoved(knownInDirstate) == null) {
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218 inspector.missing(knownInDirstate);
226
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219 } else {
294
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220 inspector.removed(knownInDirstate);
226
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221 }
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222 // do not report it as removed later
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223 if (collect != null) {
294
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224 baseRevFiles.remove(knownInDirstate);
226
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225 }
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226 } else {
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227 // chances are it was known in baseRevision. We may rely
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228 // that later iteration over baseRevFiles leftovers would yield correct Removed,
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229 // but it doesn't hurt to be explicit (provided we know fname *is* inScope of the FileIterator
285
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230 if (collect != null && baseRevFiles.remove(fname)) {
226
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231 inspector.removed(fname);
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232 } else {
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233 // not sure I shall report such files (i.e. arbitrary name coming from FileIterator)
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234 // as unknown. Command-line HG aborts "system can't find the file specified"
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235 // in similar case (against wc), or just gives nothing if --change <rev> is specified.
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236 // however, as it's unlikely to get unexisting files from FileIterator, and
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237 // its better to see erroneous file status rather than not to see any (which is too easy
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238 // to overlook), I think unknown() is reasonable approach here
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239 inspector.unknown(fname);
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240 }
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241 }
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242 continue;
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243 }
293
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244 if ((knownInDirstate = ds.known(fname)) != null) {
226
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245 // tracked file.
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246 // modified, added, removed, clean
293
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247 processed.add(knownInDirstate);
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248 if (collect != null) { // need to check against base revision, not FS file
294
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249 checkLocalStatusAgainstBaseRevision(baseRevFiles, collect, baseRevision, knownInDirstate, f, inspector);
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250 } else {
294
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251 checkLocalStatusAgainstFile(knownInDirstate, f, inspector);
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252 }
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253 } else {
226
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254 if (hgIgnore.isIgnored(fname)) { // hgignore shall be consulted only for non-tracked files
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255 inspector.ignored(fname);
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256 } else {
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257 inspector.unknown(fname);
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258 }
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259 // the file is not tracked. Even if it's known at baseRevision, we don't need to remove it
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260 // from baseRevFiles, it might need to be reported as removed as well (cmdline client does
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261 // yield two statuses for the same file)
58
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262 }
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263 }
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264 if (collect != null) {
285
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265 for (Path fromBase : baseRevFiles) {
226
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266 if (repoWalker.inScope(fromBase)) {
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267 inspector.removed(fromBase);
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268 cs.checkCancelled();
226
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269 }
58
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270 }
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271 }
293
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272 knownEntries.removeAll(processed);
284
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273 for (Path m : knownEntries) {
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274 if (!repoWalker.inScope(m)) {
226
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275 // do not report as missing/removed those FileIterator doesn't care about.
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276 continue;
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277 }
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278 cs.checkCancelled();
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279 // missing known file from a working dir
293
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280 if (ds.checkRemoved(m) == null) {
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281 // not removed from the repository = 'deleted'
284
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282 inspector.missing(m);
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283 } else {
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284 // removed from the repo
76
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285 // if we check against non-tip revision, do not report files that were added past that revision and now removed.
285
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286 if (collect == null || baseRevFiles.contains(m)) {
284
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287 inspector.removed(m);
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288 }
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289 }
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290 }
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291 }
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292
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293 /**
429
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294 * A {@link #walk(int, HgStatusInspector)} that records all the status information in the {@link HgStatusCollector.Record} object.
423
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295 *
429
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296 * @see #walk(int, HgStatusInspector)
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297 * @param baseRevision revision index to check against, or {@link HgRepository#WORKING_COPY}. Note, {@link HgRepository#TIP} is not supported.
423
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298 * @return information object that describes change between the revisions
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299 * @throws IOException to propagate IO errors from {@link FileIterator}
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300 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
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301 */
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302 public HgStatusCollector.Record status(int baseRevision) throws IOException, HgRuntimeException {
94
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303 HgStatusCollector.Record rv = new HgStatusCollector.Record();
423
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304 try {
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305 walk(baseRevision, rv);
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306 } catch (CancelledException ex) {
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307 // can't happen as long our Record class doesn't implement CancelSupport
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308 HgInvalidStateException t = new HgInvalidStateException("Internal error");
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309 t.initCause(ex);
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310 throw t;
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311 }
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312 return rv;
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313 }
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314
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315 //********************************************
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316
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317
287
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318 private void checkLocalStatusAgainstFile(Path fname, FileInfo f, HgStatusInspector inspector) {
58
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319 HgDirstate.Record r;
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320 if ((r = getDirstateImpl().checkNormal(fname)) != null) {
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321 // either clean or modified
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322 final boolean timestampEqual = f.lastModified() == r.modificationTime(), sizeEqual = r.size() == f.length();
280
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323 if (timestampEqual && sizeEqual) {
413
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324 // if flags change (chmod -x), timestamp does not change
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325 if (checkFlagsEqual(f, r.mode())) {
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326 inspector.clean(fname);
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327 } else {
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328 inspector.modified(fname); // flags are not the same
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329 }
290
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330 } else if (!sizeEqual && r.size() >= 0) {
280
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331 inspector.modified(fname);
58
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332 } else {
413
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diff changeset
333 // size is the same or unknown, and, perhaps, different timestamp
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334 // check actual content to avoid false modified files
397
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335 try {
413
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diff changeset
336 if (!checkFlagsEqual(f, r.mode())) {
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337 // flags modified, no need to do expensive content check
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338 inspector.modified(fname);
397
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339 } else {
413
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340 HgDataFile df = repo.getFileNode(fname);
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341 if (!df.exists()) {
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342 String msg = String.format("File %s known as normal in dirstate (%d, %d), doesn't exist at %s", fname, r.modificationTime(), r.size(), repo.getStoragePath(df));
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343 throw new HgInvalidFileException(msg, null).setFileName(fname);
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344 }
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345 Nodeid rev = getDirstateParentManifest().nodeid(fname);
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346 // rev might be null here if fname comes to dirstate as a result of a merge operation
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347 // where one of the parents (first parent) had no fname file, but second parent had.
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348 // E.g. fork revision 3, revision 4 gets .hgtags, few modifications and merge(3,12)
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349 // see Issue 14 for details
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350 if (rev == null || !areTheSame(f, df, rev)) {
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351 inspector.modified(df.getPath());
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352 } else {
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353 inspector.clean(df.getPath());
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354 }
397
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355 }
425
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356 } catch (HgRuntimeException ex) {
397
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357 repo.getContext().getLog().warn(getClass(), ex, null);
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358 inspector.invalid(fname, ex);
120
b19f0ac5ee62 Check against working copy shall expect non-persistent modifications done by filters and not report such files as modified
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359 }
58
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360 }
348
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361 } else if ((r = getDirstateImpl().checkAdded(fname)) != null) {
290
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362 if (r.copySource() == null) {
280
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363 inspector.added(fname);
58
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364 } else {
290
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365 inspector.copied(r.copySource(), fname);
58
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366 }
348
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367 } else if ((r = getDirstateImpl().checkRemoved(fname)) != null) {
280
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368 inspector.removed(fname);
348
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369 } else if ((r = getDirstateImpl().checkMerged(fname)) != null) {
280
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370 inspector.modified(fname);
58
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371 }
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372 }
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parents:
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373
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374 // XXX refactor checkLocalStatus methods in more OO way
287
ed6b74a58c66 Use FileInfo abstraction with necessary subset of File functionality instead of File to facilitate other effective file system iterators
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375 private void checkLocalStatusAgainstBaseRevision(Set<Path> baseRevNames, ManifestRevision collect, int baseRevision, Path fname, FileInfo f, HgStatusInspector inspector) {
58
4cfc47bc14cc Status against local working dir extracted into distinct class. Iterating over local files extracted for ease of os-dependant patching
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376 // fname is in the dirstate, either Normal, Added, Removed or Merged
285
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377 Nodeid nid1 = collect.nodeid(fname);
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378 HgManifest.Flags flags = collect.flags(fname);
58
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379 HgDirstate.Record r;
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380 if (nid1 == null) {
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381 // normal: added?
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382 // added: not known at the time of baseRevision, shall report
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383 // merged: was not known, report as added?
348
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diff changeset
384 if ((r = getDirstateImpl().checkNormal(fname)) != null) {
157
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
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parents: 148
diff changeset
385 try {
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
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diff changeset
386 Path origin = HgStatusCollector.getOriginIfCopy(repo, fname, baseRevNames, baseRevision);
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
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diff changeset
387 if (origin != null) {
226
26ad7827a62d Support status query for a single file or a subdirectory of a repository
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diff changeset
388 inspector.copied(getPathPool().path(origin), fname);
157
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diff changeset
389 return;
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diff changeset
390 }
425
48f993aa2f41 FIXMEs: exceptions, javadoc
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parents: 423
diff changeset
391 } catch (HgInvalidFileException ex) {
360
150500515714 Report non-critical errors during status operation to handler/inspector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 356
diff changeset
392 // report failure and continue status collection
150500515714 Report non-critical errors during status operation to handler/inspector
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parents: 356
diff changeset
393 inspector.invalid(fname, ex);
90
a95c700408a9 Correctly report copy/rename events for rev..working copy case
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parents: 89
diff changeset
394 }
348
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diff changeset
395 } else if ((r = getDirstateImpl().checkAdded(fname)) != null) {
290
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diff changeset
396 if (r.copySource() != null && baseRevNames.contains(r.copySource())) {
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diff changeset
397 baseRevNames.remove(r.copySource()); // XXX surely I shall not report rename source as Removed?
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diff changeset
398 inspector.copied(r.copySource(), fname);
58
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diff changeset
399 return;
4cfc47bc14cc Status against local working dir extracted into distinct class. Iterating over local files extracted for ease of os-dependant patching
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
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400 }
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parents:
diff changeset
401 // fall-through, report as added
348
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diff changeset
402 } else if (getDirstateImpl().checkRemoved(fname) != null) {
58
4cfc47bc14cc Status against local working dir extracted into distinct class. Iterating over local files extracted for ease of os-dependant patching
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parents:
diff changeset
403 // removed: removed file was not known at the time of baseRevision, and we should not report it as removed
4cfc47bc14cc Status against local working dir extracted into distinct class. Iterating over local files extracted for ease of os-dependant patching
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parents:
diff changeset
404 return;
4cfc47bc14cc Status against local working dir extracted into distinct class. Iterating over local files extracted for ease of os-dependant patching
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
405 }
226
26ad7827a62d Support status query for a single file or a subdirectory of a repository
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parents: 219
diff changeset
406 inspector.added(fname);
58
4cfc47bc14cc Status against local working dir extracted into distinct class. Iterating over local files extracted for ease of os-dependant patching
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diff changeset
407 } else {
4cfc47bc14cc Status against local working dir extracted into distinct class. Iterating over local files extracted for ease of os-dependant patching
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
408 // was known; check whether clean or modified
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
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diff changeset
409 Nodeid nidFromDirstate = getDirstateParentManifest().nodeid(fname);
348
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diff changeset
410 if ((r = getDirstateImpl().checkNormal(fname)) != null && nid1.equals(nidFromDirstate)) {
282
e51dd9a14b6f Yet another WC status fix, where dirstate parent and base revision are treated right (dirstate parent other than tip and explicit baseRevision are not the same)
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diff changeset
411 // regular file, was the same up to WC initialization. Check if was modified since, and, if not, report right away
e51dd9a14b6f Yet another WC status fix, where dirstate parent and base revision are treated right (dirstate parent other than tip and explicit baseRevision are not the same)
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diff changeset
412 // same code as in #checkLocalStatusAgainstFile
290
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diff changeset
413 final boolean timestampEqual = f.lastModified() == r.modificationTime(), sizeEqual = r.size() == f.length();
282
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parents: 280
diff changeset
414 boolean handled = false;
280
35125450c804 Erroneous and slow status for working copies based on non-tip revision
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diff changeset
415 if (timestampEqual && sizeEqual) {
35125450c804 Erroneous and slow status for working copies based on non-tip revision
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diff changeset
416 inspector.clean(fname);
282
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parents: 280
diff changeset
417 handled = true;
290
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418 } else if (!sizeEqual && r.size() >= 0) {
280
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diff changeset
419 inspector.modified(fname);
282
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parents: 280
diff changeset
420 handled = true;
413
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
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diff changeset
421 } else if (!checkFlagsEqual(f, flags)) {
282
e51dd9a14b6f Yet another WC status fix, where dirstate parent and base revision are treated right (dirstate parent other than tip and explicit baseRevision are not the same)
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parents: 280
diff changeset
422 // seems like flags have changed, no reason to check content further
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parents: 280
diff changeset
423 inspector.modified(fname);
e51dd9a14b6f Yet another WC status fix, where dirstate parent and base revision are treated right (dirstate parent other than tip and explicit baseRevision are not the same)
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parents: 280
diff changeset
424 handled = true;
e51dd9a14b6f Yet another WC status fix, where dirstate parent and base revision are treated right (dirstate parent other than tip and explicit baseRevision are not the same)
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parents: 280
diff changeset
425 }
e51dd9a14b6f Yet another WC status fix, where dirstate parent and base revision are treated right (dirstate parent other than tip and explicit baseRevision are not the same)
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parents: 280
diff changeset
426 if (handled) {
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
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diff changeset
427 baseRevNames.remove(fname); // consumed, processed, handled.
280
35125450c804 Erroneous and slow status for working copies based on non-tip revision
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diff changeset
428 return;
35125450c804 Erroneous and slow status for working copies based on non-tip revision
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diff changeset
429 }
282
e51dd9a14b6f Yet another WC status fix, where dirstate parent and base revision are treated right (dirstate parent other than tip and explicit baseRevision are not the same)
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parents: 280
diff changeset
430 // otherwise, shall check actual content (size not the same, or unknown (-1 or -2), or timestamp is different,
e51dd9a14b6f Yet another WC status fix, where dirstate parent and base revision are treated right (dirstate parent other than tip and explicit baseRevision are not the same)
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parents: 280
diff changeset
431 // or nodeid in dirstate is different, but local change might have brought it back to baseRevision state)
280
35125450c804 Erroneous and slow status for working copies based on non-tip revision
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diff changeset
432 // FALL THROUGH
35125450c804 Erroneous and slow status for working copies based on non-tip revision
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parents: 275
diff changeset
433 }
348
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
434 if (r != null || (r = getDirstateImpl().checkMerged(fname)) != null || (r = getDirstateImpl().checkAdded(fname)) != null) {
397
5e95b0da26f2 Issue 24: IAE, Underflow in FilterDataAccess. Issue 26:UnsupportedOperationException when patching empty base revision. Tests
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parents: 367
diff changeset
435 try {
5e95b0da26f2 Issue 24: IAE, Underflow in FilterDataAccess. Issue 26:UnsupportedOperationException when patching empty base revision. Tests
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parents: 367
diff changeset
436 // check actual content to see actual changes
5e95b0da26f2 Issue 24: IAE, Underflow in FilterDataAccess. Issue 26:UnsupportedOperationException when patching empty base revision. Tests
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parents: 367
diff changeset
437 // when added - seems to be the case of a file added once again, hence need to check if content is different
5e95b0da26f2 Issue 24: IAE, Underflow in FilterDataAccess. Issue 26:UnsupportedOperationException when patching empty base revision. Tests
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parents: 367
diff changeset
438 // either clean or modified
5e95b0da26f2 Issue 24: IAE, Underflow in FilterDataAccess. Issue 26:UnsupportedOperationException when patching empty base revision. Tests
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parents: 367
diff changeset
439 HgDataFile fileNode = repo.getFileNode(fname);
5e95b0da26f2 Issue 24: IAE, Underflow in FilterDataAccess. Issue 26:UnsupportedOperationException when patching empty base revision. Tests
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parents: 367
diff changeset
440 if (areTheSame(f, fileNode, nid1)) {
5e95b0da26f2 Issue 24: IAE, Underflow in FilterDataAccess. Issue 26:UnsupportedOperationException when patching empty base revision. Tests
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 367
diff changeset
441 inspector.clean(fname);
5e95b0da26f2 Issue 24: IAE, Underflow in FilterDataAccess. Issue 26:UnsupportedOperationException when patching empty base revision. Tests
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parents: 367
diff changeset
442 } else {
5e95b0da26f2 Issue 24: IAE, Underflow in FilterDataAccess. Issue 26:UnsupportedOperationException when patching empty base revision. Tests
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parents: 367
diff changeset
443 inspector.modified(fname);
5e95b0da26f2 Issue 24: IAE, Underflow in FilterDataAccess. Issue 26:UnsupportedOperationException when patching empty base revision. Tests
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parents: 367
diff changeset
444 }
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 423
diff changeset
445 } catch (HgRuntimeException ex) {
397
5e95b0da26f2 Issue 24: IAE, Underflow in FilterDataAccess. Issue 26:UnsupportedOperationException when patching empty base revision. Tests
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parents: 367
diff changeset
446 repo.getContext().getLog().warn(getClass(), ex, null);
5e95b0da26f2 Issue 24: IAE, Underflow in FilterDataAccess. Issue 26:UnsupportedOperationException when patching empty base revision. Tests
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 367
diff changeset
447 inspector.invalid(fname, ex);
58
4cfc47bc14cc Status against local working dir extracted into distinct class. Iterating over local files extracted for ease of os-dependant patching
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parents:
diff changeset
448 }
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
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diff changeset
449 baseRevNames.remove(fname); // consumed, processed, handled.
348
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 337
diff changeset
450 } else if (getDirstateImpl().checkRemoved(fname) != null) {
226
26ad7827a62d Support status query for a single file or a subdirectory of a repository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 219
diff changeset
451 // was known, and now marked as removed, report it right away, do not rely on baseRevNames processing later
26ad7827a62d Support status query for a single file or a subdirectory of a repository
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 219
diff changeset
452 inspector.removed(fname);
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 284
diff changeset
453 baseRevNames.remove(fname); // consumed, processed, handled.
58
4cfc47bc14cc Status against local working dir extracted into distinct class. Iterating over local files extracted for ease of os-dependant patching
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
454 }
226
26ad7827a62d Support status query for a single file or a subdirectory of a repository
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diff changeset
455 // only those left in baseRevNames after processing are reported as removed
58
4cfc47bc14cc Status against local working dir extracted into distinct class. Iterating over local files extracted for ease of os-dependant patching
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
456 }
4cfc47bc14cc Status against local working dir extracted into distinct class. Iterating over local files extracted for ease of os-dependant patching
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
457
4cfc47bc14cc Status against local working dir extracted into distinct class. Iterating over local files extracted for ease of os-dependant patching
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
458 // TODO think over if content comparison may be done more effectively by e.g. calculating nodeid for a local file and comparing it with nodeid from manifest
4cfc47bc14cc Status against local working dir extracted into distinct class. Iterating over local files extracted for ease of os-dependant patching
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
459 // we don't need to tell exact difference, hash should be enough to detect difference, and it doesn't involve reading historical file content, and it's relatively
4cfc47bc14cc Status against local working dir extracted into distinct class. Iterating over local files extracted for ease of os-dependant patching
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
460 // cheap to calc hash on a file (no need to keep it completely in memory). OTOH, if I'm right that the next approach is used for nodeids:
4cfc47bc14cc Status against local working dir extracted into distinct class. Iterating over local files extracted for ease of os-dependant patching
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
461 // changeset nodeid + hash(actual content) => entry (Nodeid) in the next Manifest
4cfc47bc14cc Status against local working dir extracted into distinct class. Iterating over local files extracted for ease of os-dependant patching
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
462 // then it's sufficient to check parents from dirstate, and if they do not match parents from file's baseRevision (non matching parents means different nodeids).
4cfc47bc14cc Status against local working dir extracted into distinct class. Iterating over local files extracted for ease of os-dependant patching
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
463 // The question is whether original Hg treats this case (same content, different parents and hence nodeids) as 'modified' or 'clean'
4cfc47bc14cc Status against local working dir extracted into distinct class. Iterating over local files extracted for ease of os-dependant patching
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
464 }
4cfc47bc14cc Status against local working dir extracted into distinct class. Iterating over local files extracted for ease of os-dependant patching
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
465
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 423
diff changeset
466 private boolean areTheSame(FileInfo f, HgDataFile dataFile, Nodeid revision) throws HgInvalidFileException {
157
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 148
diff changeset
467 // XXX consider adding HgDataDile.compare(File/byte[]/whatever) operation to optimize comparison
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 148
diff changeset
468 ByteArrayChannel bac = new ByteArrayChannel();
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 148
diff changeset
469 try {
367
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
470 int fileRevisionIndex = dataFile.getRevisionIndex(revision);
157
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 148
diff changeset
471 // need content with metadata striped off - although theoretically chances are metadata may be different,
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 148
diff changeset
472 // WC doesn't have it anyway
367
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
473 dataFile.content(fileRevisionIndex, bac);
157
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 148
diff changeset
474 } catch (CancelledException ex) {
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 148
diff changeset
475 // silently ignore - can't happen, ByteArrayChannel is not cancellable
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 148
diff changeset
476 }
397
5e95b0da26f2 Issue 24: IAE, Underflow in FilterDataAccess. Issue 26:UnsupportedOperationException when patching empty base revision. Tests
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 367
diff changeset
477 return areTheSame(f, bac.toArray(), dataFile.getPath());
157
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 148
diff changeset
478 }
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 148
diff changeset
479
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
480 private boolean areTheSame(FileInfo f, final byte[] data, Path p) throws HgInvalidFileException {
287
ed6b74a58c66 Use FileInfo abstraction with necessary subset of File functionality instead of File to facilitate other effective file system iterators
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 285
diff changeset
481 ReadableByteChannel is = null;
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
482 class Check implements ByteChannel {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
483 final boolean debug = repo.getContext().getLog().isDebug();
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
484 boolean sameSoFar = true;
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
485 int x = 0;
219
d63583b47bfa ArrayIndexOutOfBoundsException when file appended. Erroneous 'areTheSame' when trailing were deleted.
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 218
diff changeset
486
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
487 public int write(ByteBuffer buffer) {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
488 for (int i = buffer.remaining(); i > 0; i--, x++) {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
489 if (x >= data.length /*file has been appended*/ || data[x] != buffer.get()) {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
490 if (debug) {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
491 byte[] xx = new byte[15];
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
492 if (buffer.position() > 5) {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
493 buffer.position(buffer.position() - 5);
117
6c0be854d149 Enable filters for status operation (ToRepo case)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
494 }
334
15e1961719f2 Investigate sporadic BufferUnderflowException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 323
diff changeset
495 buffer.get(xx, 0, min(xx.length, i-1 /*-1 for the one potentially read at buffer.get in if() */));
15e1961719f2 Investigate sporadic BufferUnderflowException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 323
diff changeset
496 String exp;
15e1961719f2 Investigate sporadic BufferUnderflowException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 323
diff changeset
497 if (x < data.length) {
15e1961719f2 Investigate sporadic BufferUnderflowException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 323
diff changeset
498 exp = new String(data, max(0, x - 4), min(data.length - x, 20));
15e1961719f2 Investigate sporadic BufferUnderflowException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 323
diff changeset
499 } else {
15e1961719f2 Investigate sporadic BufferUnderflowException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 323
diff changeset
500 int offset = max(0, x - 4);
15e1961719f2 Investigate sporadic BufferUnderflowException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 323
diff changeset
501 exp = new String(data, offset, min(data.length - offset, 20));
15e1961719f2 Investigate sporadic BufferUnderflowException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 323
diff changeset
502 }
15e1961719f2 Investigate sporadic BufferUnderflowException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 323
diff changeset
503 repo.getContext().getLog().debug(getClass(), "expected >>%s<< but got >>%s<<", exp, new String(xx));
117
6c0be854d149 Enable filters for status operation (ToRepo case)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
504 }
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
505 sameSoFar = false;
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
506 break;
219
d63583b47bfa ArrayIndexOutOfBoundsException when file appended. Erroneous 'areTheSame' when trailing were deleted.
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 218
diff changeset
507 }
117
6c0be854d149 Enable filters for status operation (ToRepo case)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
508 }
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
509 buffer.position(buffer.limit()); // mark as read
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
510 return buffer.limit();
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
511 }
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
512
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
513 public boolean sameSoFar() {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
514 return sameSoFar;
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
515 }
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
516 public boolean ultimatelyTheSame() {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
517 return sameSoFar && x == data.length;
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
518 }
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
519 };
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
520 Check check = new Check();
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
521 try {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
522 is = f.newInputChannel();
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
523 ByteBuffer fb = ByteBuffer.allocate(min(1 + data.length * 2 /*to fit couple of lines appended; never zero*/, 8192));
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
524 FilterByteChannel filters = new FilterByteChannel(check, repo.getFiltersFromWorkingDirToRepo(p));
356
91d75e1bac9f Consistent approach to deal with adaptable objects. Give adaptable precedence over instanceof to allow conditional response when classes do implement desired interface
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 355
diff changeset
525 Preview preview = Adaptable.Factory.getAdapter(filters, Preview.class, null);
355
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
526 if (preview != null) {
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
527 while (is.read(fb) != -1) {
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
528 fb.flip();
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
529 preview.preview(fb);
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
530 fb.clear();
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
531 }
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
532 // reset channel to read once again
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
533 try {
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
534 is.close();
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
535 } catch (IOException ex) {
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
536 repo.getContext().getLog().info(getClass(), ex, null);
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
537 }
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
538 is = f.newInputChannel();
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539 fb.clear();
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540 }
295
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541 while (is.read(fb) != -1 && check.sameSoFar()) {
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diff changeset
542 fb.flip();
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diff changeset
543 filters.write(fb);
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diff changeset
544 fb.compact();
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diff changeset
545 }
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diff changeset
546 return check.ultimatelyTheSame();
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diff changeset
547 } catch (CancelledException ex) {
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diff changeset
548 repo.getContext().getLog().warn(getClass(), ex, "Unexpected cancellation");
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diff changeset
549 return check.ultimatelyTheSame();
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diff changeset
550 } catch (IOException ex) {
397
5e95b0da26f2 Issue 24: IAE, Underflow in FilterDataAccess. Issue 26:UnsupportedOperationException when patching empty base revision. Tests
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parents: 367
diff changeset
551 throw new HgInvalidFileException("File comparison failed", ex).setFileName(p);
295
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diff changeset
552 } finally {
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diff changeset
553 if (is != null) {
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parents: 294
diff changeset
554 try {
287
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parents: 285
diff changeset
555 is.close();
295
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diff changeset
556 } catch (IOException ex) {
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diff changeset
557 repo.getContext().getLog().info(getClass(), ex, null);
117
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parents: 102
diff changeset
558 }
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parents: 102
diff changeset
559 }
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diff changeset
560 }
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diff changeset
561 }
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diff changeset
562
413
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diff changeset
563 /**
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diff changeset
564 * @return <code>true</code> if flags are the same
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diff changeset
565 */
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parents: 405
diff changeset
566 private boolean checkFlagsEqual(FileInfo f, HgManifest.Flags originalManifestFlags) {
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diff changeset
567 boolean same = true;
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parents: 405
diff changeset
568 if (repoWalker.supportsLinkFlag()) {
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
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parents: 405
diff changeset
569 if (originalManifestFlags == HgManifest.Flags.Link) {
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parents: 405
diff changeset
570 return f.isSymlink();
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parents: 405
diff changeset
571 }
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parents: 405
diff changeset
572 // original flag is not link, hence flags are the same if file is not link, too.
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parents: 405
diff changeset
573 same = !f.isSymlink();
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parents: 405
diff changeset
574 } // otherwise treat flags the same
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parents: 405
diff changeset
575 if (repoWalker.supportsExecFlag()) {
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parents: 405
diff changeset
576 if (originalManifestFlags == HgManifest.Flags.Exec) {
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
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parents: 405
diff changeset
577 return f.isExecutable();
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parents: 405
diff changeset
578 }
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parents: 405
diff changeset
579 // original flag has no executable attribute, hence file shall not be executable, too
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parents: 405
diff changeset
580 same = same || !f.isExecutable();
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parents: 405
diff changeset
581 }
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
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parents: 405
diff changeset
582 return same;
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parents: 405
diff changeset
583 }
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diff changeset
584
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parents: 405
diff changeset
585 private boolean checkFlagsEqual(FileInfo f, int dirstateFileMode) {
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
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parents: 405
diff changeset
586 // source/include/linux/stat.h
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parents: 405
diff changeset
587 final int S_IFLNK = 0120000, S_IXUSR = 00100;
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parents: 405
diff changeset
588 // TODO post-1.0 HgManifest.Flags.parse(int)
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parents: 405
diff changeset
589 if ((dirstateFileMode & S_IFLNK) == S_IFLNK) {
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parents: 405
diff changeset
590 return checkFlagsEqual(f, HgManifest.Flags.Link);
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diff changeset
591 }
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parents: 405
diff changeset
592 if ((dirstateFileMode & S_IXUSR) == S_IXUSR) {
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 405
diff changeset
593 return checkFlagsEqual(f, HgManifest.Flags.Exec);
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diff changeset
594 }
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 413
diff changeset
595 return checkFlagsEqual(f, HgManifest.Flags.RegularFile); // no flags
58
4cfc47bc14cc Status against local working dir extracted into distinct class. Iterating over local files extracted for ease of os-dependant patching
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parents:
diff changeset
596 }
4cfc47bc14cc Status against local working dir extracted into distinct class. Iterating over local files extracted for ease of os-dependant patching
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parents:
diff changeset
597
229
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diff changeset
598 /**
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diff changeset
599 * Configure status collector to consider only subset of a working copy tree. Tries to be as effective as possible, and to
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
600 * traverse only relevant part of working copy on the filesystem.
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
601 *
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diff changeset
602 * @param hgRepo repository
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diff changeset
603 * @param paths repository-relative files and/or directories. Directories are processed recursively.
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diff changeset
604 *
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diff changeset
605 * @return new instance of {@link HgWorkingCopyStatusCollector}, ready to {@link #walk(int, HgStatusInspector) walk} associated working copy
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diff changeset
606 */
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diff changeset
607 @Experimental(reason="Provisional API")
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diff changeset
608 public static HgWorkingCopyStatusCollector create(HgRepository hgRepo, Path... paths) {
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diff changeset
609 ArrayList<Path> f = new ArrayList<Path>(5);
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diff changeset
610 ArrayList<Path> d = new ArrayList<Path>(5);
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diff changeset
611 for (Path p : paths) {
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diff changeset
612 if (p.isDirectory()) {
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diff changeset
613 d.add(p);
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diff changeset
614 } else {
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diff changeset
615 f.add(p);
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diff changeset
616 }
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diff changeset
617 }
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diff changeset
618 // final Path[] dirs = f.toArray(new Path[d.size()]);
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diff changeset
619 if (d.isEmpty()) {
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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diff changeset
620 final Path[] files = f.toArray(new Path[f.size()]);
425
48f993aa2f41 FIXMEs: exceptions, javadoc
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diff changeset
621 FileIterator fi = new FileListIterator(hgRepo.getContext(), hgRepo.getWorkingDir(), files);
229
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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diff changeset
622 return new HgWorkingCopyStatusCollector(hgRepo, fi);
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diff changeset
623 }
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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diff changeset
624 //
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diff changeset
625
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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diff changeset
626 //FileIterator fi = file.isDirectory() ? new DirFileIterator(hgRepo, file) : new FileListIterator(, file);
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diff changeset
627 FileIterator fi = new HgInternals(hgRepo).createWorkingDirWalker(new PathScope(true, paths));
226
26ad7827a62d Support status query for a single file or a subdirectory of a repository
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diff changeset
628 return new HgWorkingCopyStatusCollector(hgRepo, fi);
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diff changeset
629 }
229
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diff changeset
630
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diff changeset
631 /**
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diff changeset
632 * Configure collector object to calculate status for matching files only.
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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diff changeset
633 * This method may be less effective than explicit list of files as it iterates over whole repository
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diff changeset
634 * (thus supplied matcher doesn't need to care if directories to files in question are also in scope,
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diff changeset
635 * see {@link FileWalker#FileWalker(File, Path.Source, Path.Matcher)})
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diff changeset
636 *
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diff changeset
637 * @return new instance of {@link HgWorkingCopyStatusCollector}, ready to {@link #walk(int, HgStatusInspector) walk} associated working copy
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diff changeset
638 */
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diff changeset
639 @Experimental(reason="Provisional API. May add boolean strict argument for those who write smart matchers that can be used in FileWalker")
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diff changeset
640 public static HgWorkingCopyStatusCollector create(HgRepository hgRepo, Path.Matcher scope) {
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diff changeset
641 FileIterator w = new HgInternals(hgRepo).createWorkingDirWalker(null);
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diff changeset
642 FileIterator wf = (scope == null || scope instanceof Path.Matcher.Any) ? w : new FileIteratorFilter(w, scope);
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diff changeset
643 // the reason I need to iterate over full repo and apply filter is that I have no idea whatsoever about
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diff changeset
644 // patterns in the scope. I.e. if scope lists a file (PathGlobMatcher("a/b/c.txt")), FileWalker won't get deep
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diff changeset
645 // to the file unless matcher would also explicitly include "a/", "a/b/" in scope. Since I can't rely
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diff changeset
646 // users would write robust matchers, and I don't see a decent way to enforce that (i.e. factory to produce
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diff changeset
647 // correct matcher from Path is much like what PathScope does, and can be accessed directly with #create(repo, Path...)
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diff changeset
648 // method above/
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diff changeset
649 return new HgWorkingCopyStatusCollector(hgRepo, wf);
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diff changeset
650 }
226
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diff changeset
651
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652 private static class FileListIterator implements FileIterator {
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653 private final File dir;
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654 private final Path[] paths;
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655 private int index;
287
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656 private RegularFileInfo nextFile;
413
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657 private final boolean execCap, linkCap;
425
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658 private final SessionContext sessionContext;
226
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659
425
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660 public FileListIterator(SessionContext ctx, File startDir, Path... files) {
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661 sessionContext = ctx;
226
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662 dir = startDir;
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663 paths = files;
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diff changeset
664 reset();
413
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diff changeset
665 execCap = Internals.checkSupportsExecutables(startDir);
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666 linkCap = Internals.checkSupportsSymlinks(startDir);
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667 }
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diff changeset
668
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diff changeset
669 public void reset() {
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diff changeset
670 index = -1;
425
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diff changeset
671 nextFile = new RegularFileInfo(sessionContext, execCap, linkCap);
226
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672 }
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diff changeset
673
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diff changeset
674 public boolean hasNext() {
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diff changeset
675 return paths.length > 0 && index < paths.length-1;
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676 }
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677
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diff changeset
678 public void next() {
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diff changeset
679 index++;
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diff changeset
680 if (index == paths.length) {
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diff changeset
681 throw new NoSuchElementException();
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diff changeset
682 }
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diff changeset
683 nextFile.init(new File(dir, paths[index].toString()));
226
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diff changeset
684 }
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diff changeset
685
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diff changeset
686 public Path name() {
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diff changeset
687 return paths[index];
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diff changeset
688 }
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diff changeset
689
287
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diff changeset
690 public FileInfo file() {
226
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diff changeset
691 return nextFile;
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diff changeset
692 }
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diff changeset
693
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diff changeset
694 public boolean inScope(Path file) {
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diff changeset
695 for (int i = 0; i < paths.length; i++) {
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diff changeset
696 if (paths[i].equals(file)) {
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diff changeset
697 return true;
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diff changeset
698 }
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diff changeset
699 }
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diff changeset
700 return false;
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diff changeset
701 }
413
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
702
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 405
diff changeset
703 public boolean supportsExecFlag() {
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
704 return execCap;
413
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 405
diff changeset
705 }
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 405
diff changeset
706
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 405
diff changeset
707 public boolean supportsLinkFlag() {
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
708 return linkCap;
413
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
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diff changeset
709 }
226
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diff changeset
710 }
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diff changeset
711
229
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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diff changeset
712 private static class FileIteratorFilter implements FileIterator {
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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diff changeset
713 private final Path.Matcher filter;
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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diff changeset
714 private final FileIterator walker;
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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diff changeset
715 private boolean didNext = false;
226
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diff changeset
716
229
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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diff changeset
717 public FileIteratorFilter(FileIterator fileWalker, Path.Matcher filterMatcher) {
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
718 assert fileWalker != null;
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
719 assert filterMatcher != null;
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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diff changeset
720 filter = filterMatcher;
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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diff changeset
721 walker = fileWalker;
226
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diff changeset
722 }
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diff changeset
723
350
33eaed1ad130 Allow FileIterator report any errors from the underlaying file system up to the client
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parents: 348
diff changeset
724 public void reset() throws IOException {
226
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diff changeset
725 walker.reset();
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parents: 219
diff changeset
726 }
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diff changeset
727
350
33eaed1ad130 Allow FileIterator report any errors from the underlaying file system up to the client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
728 public boolean hasNext() throws IOException {
229
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
729 while (walker.hasNext()) {
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
730 walker.next();
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
731 if (filter.accept(walker.name())) {
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
732 didNext = true;
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
733 return true;
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 226
diff changeset
734 }
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
735 }
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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diff changeset
736 return false;
226
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parents: 219
diff changeset
737 }
26ad7827a62d Support status query for a single file or a subdirectory of a repository
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parents: 219
diff changeset
738
350
33eaed1ad130 Allow FileIterator report any errors from the underlaying file system up to the client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
739 public void next() throws IOException {
229
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
740 if (didNext) {
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
741 didNext = false;
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
742 } else {
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
743 if (!hasNext()) {
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
744 throw new NoSuchElementException();
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
745 }
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
746 }
226
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parents: 219
diff changeset
747 }
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parents: 219
diff changeset
748
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diff changeset
749 public Path name() {
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parents: 219
diff changeset
750 return walker.name();
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parents: 219
diff changeset
751 }
26ad7827a62d Support status query for a single file or a subdirectory of a repository
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diff changeset
752
287
ed6b74a58c66 Use FileInfo abstraction with necessary subset of File functionality instead of File to facilitate other effective file system iterators
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parents: 285
diff changeset
753 public FileInfo file() {
226
26ad7827a62d Support status query for a single file or a subdirectory of a repository
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parents: 219
diff changeset
754 return walker.file();
26ad7827a62d Support status query for a single file or a subdirectory of a repository
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parents: 219
diff changeset
755 }
26ad7827a62d Support status query for a single file or a subdirectory of a repository
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parents: 219
diff changeset
756
26ad7827a62d Support status query for a single file or a subdirectory of a repository
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parents: 219
diff changeset
757 public boolean inScope(Path file) {
229
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 226
diff changeset
758 return filter.accept(file);
226
26ad7827a62d Support status query for a single file or a subdirectory of a repository
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parents: 219
diff changeset
759 }
413
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
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parents: 405
diff changeset
760
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 405
diff changeset
761 public boolean supportsExecFlag() {
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 405
diff changeset
762 return walker.supportsExecFlag();
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
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parents: 405
diff changeset
763 }
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
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parents: 405
diff changeset
764
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 405
diff changeset
765 public boolean supportsLinkFlag() {
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 405
diff changeset
766 return walker.supportsLinkFlag();
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
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parents: 405
diff changeset
767 }
226
26ad7827a62d Support status query for a single file or a subdirectory of a repository
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diff changeset
768 }
58
4cfc47bc14cc Status against local working dir extracted into distinct class. Iterating over local files extracted for ease of os-dependant patching
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
769 }