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annotate src/org/tmatesoft/hg/repo/HgWorkingCopyStatusCollector.java @ 423:9c9c442b5f2e

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Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Fri, 23 Mar 2012 22:51:18 +0100
parents ee8264d80747
children 48f993aa2f41
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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32
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33 import org.tmatesoft.hg.core.HgException;
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34 import org.tmatesoft.hg.core.Nodeid;
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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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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 {
59
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115 if (dirstate == null) {
284
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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
366
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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 /**
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154 * may be invoked few times, TIP or WORKING_COPY indicate comparison shall be run against working copy parent
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155 * XXX NOTE, use of TIP constant requires certain care. TIP here doesn't mean latest cset, but actual working copy parent.
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156 *
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157 * @param baseRevision
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158 * @param inspector
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159 * @throws IOException to propagate IO errors from {@link FileIterator}
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160 * @throws CancelledException if operation execution was cancelled
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161 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
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162 */
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163 public void walk(int baseRevision, HgStatusInspector inspector) throws IOException, CancelledException, HgRuntimeException {
367
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164 if (HgInternals.wrongRevisionIndex(baseRevision) || baseRevision == BAD_REVISION) {
218
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165 throw new IllegalArgumentException(String.valueOf(baseRevision));
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166 }
362
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167 if (getDirstateImpl() == null) {
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168 getDirstate();
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169 }
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170 if (getDirstateParentManifest() == null) {
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171 initDirstateParentManifest();
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172 }
282
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173 ManifestRevision collect = null; // non null indicates we compare against base revision
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174 Set<Path> baseRevFiles = Collections.emptySet(); // files from base revision not affected by status calculation
282
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175 if (baseRevision != TIP && baseRevision != WORKING_COPY) {
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176 collect = getManifest(baseRevision);
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177 baseRevFiles = new TreeSet<Path>(collect.files());
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178 }
94
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179 if (inspector instanceof HgStatusCollector.Record) {
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180 HgStatusCollector sc = baseRevisionCollector == null ? new HgStatusCollector(repo) : baseRevisionCollector;
282
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181 // nodeidAfterChange(dirstate's parent) doesn't make too much sense,
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182 // because the change might be actually in working copy. Nevertheless,
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183 // as long as no nodeids can be provided for WC, seems reasonable to report
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184 // latest known nodeid change (although at the moment this is not used and
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185 // is done mostly not to leave stale initialization in the Record)
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186 int rev1,rev2 = getDirstateParentManifest().changesetLocalRev();
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187 if (baseRevision == TIP || baseRevision == WORKING_COPY) {
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188 rev1 = rev2 - 1; // just use revision prior to dirstate's parent
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189 } else {
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190 rev1 = baseRevision;
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191 }
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192 ((HgStatusCollector.Record) inspector).init(rev1, rev2, sc);
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193 }
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194 final CancelSupport cs = CancelSupport.Factory.get(inspector);
282
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195 final HgIgnore hgIgnore = repo.getIgnore();
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196 repoWalker.reset();
293
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197 TreeSet<Path> processed = new TreeSet<Path>(); // names of files we handled as they known to Dirstate (not FileIterator)
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198 final HgDirstate ds = getDirstateImpl();
293
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199 TreeSet<Path> knownEntries = ds.all(); // here just to get dirstate initialized
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200 while (repoWalker.hasNext()) {
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201 cs.checkCancelled();
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202 repoWalker.next();
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203 final Path fname = getPathPool().path(repoWalker.name());
287
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204 FileInfo f = repoWalker.file();
293
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205 Path knownInDirstate;
226
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206 if (!f.exists()) {
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207 // file coming from iterator doesn't exist.
293
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208 if ((knownInDirstate = ds.known(fname)) != null) {
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209 // found in dirstate
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210 processed.add(knownInDirstate);
294
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211 if (ds.checkRemoved(knownInDirstate) == null) {
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212 inspector.missing(knownInDirstate);
226
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213 } else {
294
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214 inspector.removed(knownInDirstate);
226
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215 }
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216 // do not report it as removed later
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217 if (collect != null) {
294
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218 baseRevFiles.remove(knownInDirstate);
226
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219 }
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220 } else {
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221 // chances are it was known in baseRevision. We may rely
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222 // that later iteration over baseRevFiles leftovers would yield correct Removed,
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223 // but it doesn't hurt to be explicit (provided we know fname *is* inScope of the FileIterator
285
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224 if (collect != null && baseRevFiles.remove(fname)) {
226
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225 inspector.removed(fname);
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226 } else {
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227 // not sure I shall report such files (i.e. arbitrary name coming from FileIterator)
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228 // as unknown. Command-line HG aborts "system can't find the file specified"
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229 // in similar case (against wc), or just gives nothing if --change <rev> is specified.
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230 // however, as it's unlikely to get unexisting files from FileIterator, and
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231 // its better to see erroneous file status rather than not to see any (which is too easy
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232 // to overlook), I think unknown() is reasonable approach here
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233 inspector.unknown(fname);
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234 }
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235 }
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236 continue;
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237 }
293
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238 if ((knownInDirstate = ds.known(fname)) != null) {
226
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239 // tracked file.
58
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240 // modified, added, removed, clean
293
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241 processed.add(knownInDirstate);
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242 if (collect != null) { // need to check against base revision, not FS file
294
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243 checkLocalStatusAgainstBaseRevision(baseRevFiles, collect, baseRevision, knownInDirstate, f, inspector);
58
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244 } else {
294
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245 checkLocalStatusAgainstFile(knownInDirstate, f, inspector);
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246 }
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247 } else {
226
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248 if (hgIgnore.isIgnored(fname)) { // hgignore shall be consulted only for non-tracked files
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249 inspector.ignored(fname);
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250 } else {
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251 inspector.unknown(fname);
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252 }
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253 // the file is not tracked. Even if it's known at baseRevision, we don't need to remove it
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254 // from baseRevFiles, it might need to be reported as removed as well (cmdline client does
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255 // yield two statuses for the same file)
58
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256 }
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257 }
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258 if (collect != null) {
285
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259 for (Path fromBase : baseRevFiles) {
226
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260 if (repoWalker.inScope(fromBase)) {
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261 inspector.removed(fromBase);
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262 cs.checkCancelled();
226
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263 }
58
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264 }
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265 }
293
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266 knownEntries.removeAll(processed);
284
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267 for (Path m : knownEntries) {
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268 if (!repoWalker.inScope(m)) {
226
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269 // do not report as missing/removed those FileIterator doesn't care about.
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270 continue;
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271 }
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272 cs.checkCancelled();
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273 // missing known file from a working dir
293
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274 if (ds.checkRemoved(m) == null) {
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275 // not removed from the repository = 'deleted'
284
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276 inspector.missing(m);
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277 } else {
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278 // removed from the repo
76
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279 // 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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280 if (collect == null || baseRevFiles.contains(m)) {
284
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281 inspector.removed(m);
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282 }
58
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283 }
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284 }
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285 }
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286
423
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287 /**
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288 *
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289 * @param baseRevision
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290 * @return information object that describes change between the revisions
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291 * @throws IOException to propagate IO errors from {@link FileIterator}
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292 * @throws CancelledException if operation execution was cancelled
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293 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
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294 */
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295 public HgStatusCollector.Record status(int baseRevision) throws IOException, HgRuntimeException {
94
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296 HgStatusCollector.Record rv = new HgStatusCollector.Record();
423
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297 try {
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298 walk(baseRevision, rv);
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299 } catch (CancelledException ex) {
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300 // can't happen as long our Record class doesn't implement CancelSupport
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301 HgInvalidStateException t = new HgInvalidStateException("Internal error");
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302 t.initCause(ex);
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303 throw t;
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304 }
58
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305 return rv;
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306 }
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307
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308 //********************************************
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309
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310
287
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311 private void checkLocalStatusAgainstFile(Path fname, FileInfo f, HgStatusInspector inspector) {
58
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312 HgDirstate.Record r;
348
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diff changeset
313 if ((r = getDirstateImpl().checkNormal(fname)) != null) {
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314 // either clean or modified
290
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315 final boolean timestampEqual = f.lastModified() == r.modificationTime(), sizeEqual = r.size() == f.length();
280
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316 if (timestampEqual && sizeEqual) {
413
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317 // if flags change (chmod -x), timestamp does not change
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318 if (checkFlagsEqual(f, r.mode())) {
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319 inspector.clean(fname);
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320 } else {
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321 inspector.modified(fname); // flags are not the same
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322 }
290
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323 } else if (!sizeEqual && r.size() >= 0) {
280
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324 inspector.modified(fname);
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325 } else {
413
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diff changeset
326 // size is the same or unknown, and, perhaps, different timestamp
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diff changeset
327 // check actual content to avoid false modified files
397
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diff changeset
328 try {
413
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diff changeset
329 if (!checkFlagsEqual(f, r.mode())) {
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diff changeset
330 // flags modified, no need to do expensive content check
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diff changeset
331 inspector.modified(fname);
397
5e95b0da26f2 Issue 24: IAE, Underflow in FilterDataAccess. Issue 26:UnsupportedOperationException when patching empty base revision. Tests
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diff changeset
332 } else {
413
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diff changeset
333 HgDataFile df = repo.getFileNode(fname);
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diff changeset
334 if (!df.exists()) {
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diff changeset
335 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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diff changeset
336 throw new HgInvalidFileException(msg, null).setFileName(fname);
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diff changeset
337 }
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parents: 405
diff changeset
338 Nodeid rev = getDirstateParentManifest().nodeid(fname);
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parents: 405
diff changeset
339 // rev might be null here if fname comes to dirstate as a result of a merge operation
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diff changeset
340 // where one of the parents (first parent) had no fname file, but second parent had.
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diff changeset
341 // E.g. fork revision 3, revision 4 gets .hgtags, few modifications and merge(3,12)
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diff changeset
342 // see Issue 14 for details
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parents: 405
diff changeset
343 if (rev == null || !areTheSame(f, df, rev)) {
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parents: 405
diff changeset
344 inspector.modified(df.getPath());
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diff changeset
345 } else {
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diff changeset
346 inspector.clean(df.getPath());
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diff changeset
347 }
397
5e95b0da26f2 Issue 24: IAE, Underflow in FilterDataAccess. Issue 26:UnsupportedOperationException when patching empty base revision. Tests
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348 }
5e95b0da26f2 Issue 24: IAE, Underflow in FilterDataAccess. Issue 26:UnsupportedOperationException when patching empty base revision. Tests
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diff changeset
349 } catch (HgException ex) {
5e95b0da26f2 Issue 24: IAE, Underflow in FilterDataAccess. Issue 26:UnsupportedOperationException when patching empty base revision. Tests
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diff changeset
350 repo.getContext().getLog().warn(getClass(), ex, null);
5e95b0da26f2 Issue 24: IAE, Underflow in FilterDataAccess. Issue 26:UnsupportedOperationException when patching empty base revision. Tests
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diff changeset
351 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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diff changeset
352 }
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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353 }
348
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diff changeset
354 } else if ((r = getDirstateImpl().checkAdded(fname)) != null) {
290
8faad08c709b Expose dirstate to allow pre-configuration of FileIterators for status collection in particular
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diff changeset
355 if (r.copySource() == null) {
280
35125450c804 Erroneous and slow status for working copies based on non-tip revision
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diff changeset
356 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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357 } else {
290
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diff changeset
358 inspector.copied(r.copySource(), fname);
58
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359 }
348
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diff changeset
360 } else if ((r = getDirstateImpl().checkRemoved(fname)) != null) {
280
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diff changeset
361 inspector.removed(fname);
348
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diff changeset
362 } else if ((r = getDirstateImpl().checkMerged(fname)) != null) {
280
35125450c804 Erroneous and slow status for working copies based on non-tip revision
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diff changeset
363 inspector.modified(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
364 }
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
365 }
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
366
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
367 // 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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parents: 285
diff changeset
368 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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369 // fname is in the dirstate, either Normal, Added, Removed or Merged
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
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diff changeset
370 Nodeid nid1 = collect.nodeid(fname);
6dbbc53fc46d Use Path instead of plain String for manifest file names
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diff changeset
371 HgManifest.Flags flags = collect.flags(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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parents:
diff changeset
372 HgDirstate.Record r;
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parents:
diff changeset
373 if (nid1 == null) {
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parents:
diff changeset
374 // normal: added?
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
375 // added: not known at the time of baseRevision, shall report
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
376 // merged: was not known, report as added?
348
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parents: 337
diff changeset
377 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
378 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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parents: 148
diff changeset
379 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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parents: 148
diff changeset
380 if (origin != null) {
226
26ad7827a62d Support status query for a single file or a subdirectory of a repository
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parents: 219
diff changeset
381 inspector.copied(getPathPool().path(origin), fname);
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
382 return;
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
383 }
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 350
diff changeset
384 } catch (HgException ex) {
360
150500515714 Report non-critical errors during status operation to handler/inspector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 356
diff changeset
385 // report failure and continue status collection
150500515714 Report non-critical errors during status operation to handler/inspector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 356
diff changeset
386 inspector.invalid(fname, ex);
90
a95c700408a9 Correctly report copy/rename events for rev..working copy case
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 89
diff changeset
387 }
348
a0864b2892cd Expose errors reading mercurial control files with exception
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parents: 337
diff changeset
388 } else if ((r = getDirstateImpl().checkAdded(fname)) != null) {
290
8faad08c709b Expose dirstate to allow pre-configuration of FileIterators for status collection in particular
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parents: 287
diff changeset
389 if (r.copySource() != null && baseRevNames.contains(r.copySource())) {
8faad08c709b Expose dirstate to allow pre-configuration of FileIterators for status collection in particular
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parents: 287
diff changeset
390 baseRevNames.remove(r.copySource()); // XXX surely I shall not report rename source as Removed?
8faad08c709b Expose dirstate to allow pre-configuration of FileIterators for status collection in particular
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parents: 287
diff changeset
391 inspector.copied(r.copySource(), 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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parents:
diff changeset
392 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
393 }
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
394 // fall-through, report as added
348
a0864b2892cd Expose errors reading mercurial control files with exception
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parents: 337
diff changeset
395 } 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
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
396 // 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
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
397 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
398 }
226
26ad7827a62d Support status query for a single file or a subdirectory of a repository
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parents: 219
diff changeset
399 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
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
400 } 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
401 // was known; check whether clean or modified
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 284
diff changeset
402 Nodeid nidFromDirstate = getDirstateParentManifest().nodeid(fname);
348
a0864b2892cd Expose errors reading mercurial control files with exception
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parents: 337
diff changeset
403 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)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 280
diff changeset
404 // 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)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 280
diff changeset
405 // same code as in #checkLocalStatusAgainstFile
290
8faad08c709b Expose dirstate to allow pre-configuration of FileIterators for status collection in particular
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parents: 287
diff changeset
406 final boolean timestampEqual = f.lastModified() == r.modificationTime(), sizeEqual = r.size() == f.length();
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)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 280
diff changeset
407 boolean handled = false;
280
35125450c804 Erroneous and slow status for working copies based on non-tip revision
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parents: 275
diff changeset
408 if (timestampEqual && sizeEqual) {
35125450c804 Erroneous and slow status for working copies based on non-tip revision
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parents: 275
diff changeset
409 inspector.clean(fname);
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
410 handled = true;
290
8faad08c709b Expose dirstate to allow pre-configuration of FileIterators for status collection in particular
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parents: 287
diff changeset
411 } else if (!sizeEqual && r.size() >= 0) {
280
35125450c804 Erroneous and slow status for working copies based on non-tip revision
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parents: 275
diff changeset
412 inspector.modified(fname);
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
413 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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parents: 405
diff changeset
414 } 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)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 280
diff changeset
415 // seems like flags have changed, no reason to check content further
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)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 280
diff changeset
416 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)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 280
diff changeset
417 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)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 280
diff changeset
418 }
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)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 280
diff changeset
419 if (handled) {
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 284
diff changeset
420 baseRevNames.remove(fname); // consumed, processed, handled.
280
35125450c804 Erroneous and slow status for working copies based on non-tip revision
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parents: 275
diff changeset
421 return;
35125450c804 Erroneous and slow status for working copies based on non-tip revision
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parents: 275
diff changeset
422 }
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)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 280
diff changeset
423 // 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)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 280
diff changeset
424 // 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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parents: 275
diff changeset
425 // FALL THROUGH
35125450c804 Erroneous and slow status for working copies based on non-tip revision
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parents: 275
diff changeset
426 }
348
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 337
diff changeset
427 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
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 367
diff changeset
428 try {
5e95b0da26f2 Issue 24: IAE, Underflow in FilterDataAccess. Issue 26:UnsupportedOperationException when patching empty base revision. Tests
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diff changeset
429 // 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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diff changeset
430 // 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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diff changeset
431 // either clean or modified
5e95b0da26f2 Issue 24: IAE, Underflow in FilterDataAccess. Issue 26:UnsupportedOperationException when patching empty base revision. Tests
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diff changeset
432 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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diff changeset
433 if (areTheSame(f, fileNode, nid1)) {
5e95b0da26f2 Issue 24: IAE, Underflow in FilterDataAccess. Issue 26:UnsupportedOperationException when patching empty base revision. Tests
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diff changeset
434 inspector.clean(fname);
5e95b0da26f2 Issue 24: IAE, Underflow in FilterDataAccess. Issue 26:UnsupportedOperationException when patching empty base revision. Tests
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diff changeset
435 } else {
5e95b0da26f2 Issue 24: IAE, Underflow in FilterDataAccess. Issue 26:UnsupportedOperationException when patching empty base revision. Tests
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diff changeset
436 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
437 }
5e95b0da26f2 Issue 24: IAE, Underflow in FilterDataAccess. Issue 26:UnsupportedOperationException when patching empty base revision. Tests
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diff changeset
438 } catch (HgException ex) {
5e95b0da26f2 Issue 24: IAE, Underflow in FilterDataAccess. Issue 26:UnsupportedOperationException when patching empty base revision. Tests
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diff changeset
439 repo.getContext().getLog().warn(getClass(), ex, null);
5e95b0da26f2 Issue 24: IAE, Underflow in FilterDataAccess. Issue 26:UnsupportedOperationException when patching empty base revision. Tests
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diff changeset
440 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
441 }
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
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diff changeset
442 baseRevNames.remove(fname); // consumed, processed, handled.
348
a0864b2892cd Expose errors reading mercurial control files with exception
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diff changeset
443 } 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>
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diff changeset
444 // 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
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diff changeset
445 inspector.removed(fname);
285
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diff changeset
446 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
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parents:
diff changeset
447 }
226
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diff changeset
448 // 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
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parents:
diff changeset
449 }
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
450
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
451 // 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
452 // 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
453 // 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
454 // 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
455 // 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
456 // 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
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
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
459 private boolean areTheSame(FileInfo f, HgDataFile dataFile, Nodeid revision) throws HgException, 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
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parents: 148
diff changeset
460 // 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
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parents: 148
diff changeset
461 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
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parents: 148
diff changeset
462 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
463 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
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parents: 148
diff changeset
464 // 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
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parents: 148
diff changeset
465 // 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
466 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
467 } 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
468 // 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
469 }
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
470 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
471 }
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
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
473 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
474 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
475 class Check implements ByteChannel {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
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parents: 294
diff changeset
476 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
477 boolean sameSoFar = true;
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
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parents: 294
diff changeset
478 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
479
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
480 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
481 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
482 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
483 if (debug) {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
484 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
485 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
486 buffer.position(buffer.position() - 5);
117
6c0be854d149 Enable filters for status operation (ToRepo case)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
487 }
334
15e1961719f2 Investigate sporadic BufferUnderflowException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 323
diff changeset
488 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
489 String exp;
15e1961719f2 Investigate sporadic BufferUnderflowException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 323
diff changeset
490 if (x < data.length) {
15e1961719f2 Investigate sporadic BufferUnderflowException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 323
diff changeset
491 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
492 } else {
15e1961719f2 Investigate sporadic BufferUnderflowException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 323
diff changeset
493 int offset = max(0, x - 4);
15e1961719f2 Investigate sporadic BufferUnderflowException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 323
diff changeset
494 exp = new String(data, offset, min(data.length - offset, 20));
15e1961719f2 Investigate sporadic BufferUnderflowException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 323
diff changeset
495 }
15e1961719f2 Investigate sporadic BufferUnderflowException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 323
diff changeset
496 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
497 }
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
498 sameSoFar = false;
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
499 break;
219
d63583b47bfa ArrayIndexOutOfBoundsException when file appended. Erroneous 'areTheSame' when trailing were deleted.
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 218
diff changeset
500 }
117
6c0be854d149 Enable filters for status operation (ToRepo case)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
501 }
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
502 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
503 return buffer.limit();
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
504 }
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
505
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
506 public boolean sameSoFar() {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
507 return sameSoFar;
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
508 }
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
509 public boolean ultimatelyTheSame() {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
510 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
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 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
514 try {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
515 is = f.newInputChannel();
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
516 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
517 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
518 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
519 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
520 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
521 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
522 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
523 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
524 }
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
525 // 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
526 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
527 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
528 } 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
529 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
530 }
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 is = f.newInputChannel();
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 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
533 }
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
534 while (is.read(fb) != -1 && check.sameSoFar()) {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
535 fb.flip();
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536 filters.write(fb);
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537 fb.compact();
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538 }
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diff changeset
539 return check.ultimatelyTheSame();
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540 } catch (CancelledException ex) {
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diff changeset
541 repo.getContext().getLog().warn(getClass(), ex, "Unexpected cancellation");
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542 return check.ultimatelyTheSame();
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diff changeset
543 } catch (IOException ex) {
397
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diff changeset
544 throw new HgInvalidFileException("File comparison failed", ex).setFileName(p);
295
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545 } finally {
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546 if (is != null) {
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547 try {
287
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548 is.close();
295
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549 } catch (IOException ex) {
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diff changeset
550 repo.getContext().getLog().info(getClass(), ex, null);
117
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diff changeset
551 }
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diff changeset
552 }
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553 }
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554 }
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555
413
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556 /**
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557 * @return <code>true</code> if flags are the same
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558 */
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559 private boolean checkFlagsEqual(FileInfo f, HgManifest.Flags originalManifestFlags) {
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diff changeset
560 boolean same = true;
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561 if (repoWalker.supportsLinkFlag()) {
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562 if (originalManifestFlags == HgManifest.Flags.Link) {
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563 return f.isSymlink();
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564 }
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diff changeset
565 // original flag is not link, hence flags are the same if file is not link, too.
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diff changeset
566 same = !f.isSymlink();
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567 } // otherwise treat flags the same
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diff changeset
568 if (repoWalker.supportsExecFlag()) {
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diff changeset
569 if (originalManifestFlags == HgManifest.Flags.Exec) {
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570 return f.isExecutable();
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571 }
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diff changeset
572 // original flag has no executable attribute, hence file shall not be executable, too
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diff changeset
573 same = same || !f.isExecutable();
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574 }
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diff changeset
575 return same;
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576 }
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diff changeset
577
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diff changeset
578 private boolean checkFlagsEqual(FileInfo f, int dirstateFileMode) {
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diff changeset
579 // source/include/linux/stat.h
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580 final int S_IFLNK = 0120000, S_IXUSR = 00100;
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diff changeset
581 // TODO post-1.0 HgManifest.Flags.parse(int)
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diff changeset
582 if ((dirstateFileMode & S_IFLNK) == S_IFLNK) {
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diff changeset
583 return checkFlagsEqual(f, HgManifest.Flags.Link);
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584 }
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diff changeset
585 if ((dirstateFileMode & S_IXUSR) == S_IXUSR) {
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diff changeset
586 return checkFlagsEqual(f, HgManifest.Flags.Exec);
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diff changeset
587 }
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
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diff changeset
588 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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diff changeset
589 }
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diff changeset
590
229
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591 /**
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592 * Configure status collector to consider only subset of a working copy tree. Tries to be as effective as possible, and to
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diff changeset
593 * traverse only relevant part of working copy on the filesystem.
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594 *
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595 * @param hgRepo repository
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596 * @param paths repository-relative files and/or directories. Directories are processed recursively.
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diff changeset
597 *
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diff changeset
598 * @return new instance of {@link HgWorkingCopyStatusCollector}, ready to {@link #walk(int, HgStatusInspector) walk} associated working copy
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599 */
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600 @Experimental(reason="Provisional API")
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601 public static HgWorkingCopyStatusCollector create(HgRepository hgRepo, Path... paths) {
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diff changeset
602 ArrayList<Path> f = new ArrayList<Path>(5);
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603 ArrayList<Path> d = new ArrayList<Path>(5);
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604 for (Path p : paths) {
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diff changeset
605 if (p.isDirectory()) {
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diff changeset
606 d.add(p);
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diff changeset
607 } else {
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diff changeset
608 f.add(p);
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diff changeset
609 }
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diff changeset
610 }
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diff changeset
611 // final Path[] dirs = f.toArray(new Path[d.size()]);
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diff changeset
612 if (d.isEmpty()) {
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diff changeset
613 final Path[] files = f.toArray(new Path[f.size()]);
237
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diff changeset
614 FileIterator fi = new FileListIterator(hgRepo.getWorkingDir(), files);
229
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diff changeset
615 return new HgWorkingCopyStatusCollector(hgRepo, fi);
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diff changeset
616 }
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diff changeset
617 //
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diff changeset
618
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diff changeset
619 //FileIterator fi = file.isDirectory() ? new DirFileIterator(hgRepo, file) : new FileListIterator(, file);
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diff changeset
620 FileIterator fi = new HgInternals(hgRepo).createWorkingDirWalker(new PathScope(true, paths));
226
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diff changeset
621 return new HgWorkingCopyStatusCollector(hgRepo, fi);
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diff changeset
622 }
229
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diff changeset
623
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diff changeset
624 /**
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diff changeset
625 * Configure collector object to calculate status for matching files only.
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diff changeset
626 * This method may be less effective than explicit list of files as it iterates over whole repository
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diff changeset
627 * (thus supplied matcher doesn't need to care if directories to files in question are also in scope,
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diff changeset
628 * see {@link FileWalker#FileWalker(File, Path.Source, Path.Matcher)})
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diff changeset
629 *
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630 * @return new instance of {@link HgWorkingCopyStatusCollector}, ready to {@link #walk(int, HgStatusInspector) walk} associated working copy
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diff changeset
631 */
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632 @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
633 public static HgWorkingCopyStatusCollector create(HgRepository hgRepo, Path.Matcher scope) {
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diff changeset
634 FileIterator w = new HgInternals(hgRepo).createWorkingDirWalker(null);
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diff changeset
635 FileIterator wf = (scope == null || scope instanceof Path.Matcher.Any) ? w : new FileIteratorFilter(w, scope);
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diff changeset
636 // 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
637 // 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
638 // 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
639 // 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
640 // 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
641 // method above/
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diff changeset
642 return new HgWorkingCopyStatusCollector(hgRepo, wf);
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diff changeset
643 }
226
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diff changeset
644
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diff changeset
645 private static class FileListIterator implements FileIterator {
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diff changeset
646 private final File dir;
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diff changeset
647 private final Path[] paths;
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diff changeset
648 private int index;
287
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649 private RegularFileInfo nextFile;
413
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650 private final boolean execCap, linkCap;
226
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651
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652 public FileListIterator(File startDir, Path... files) {
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653 dir = startDir;
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654 paths = files;
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655 reset();
413
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656 execCap = Internals.checkSupportsExecutables(startDir);
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657 linkCap = Internals.checkSupportsSymlinks(startDir);
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658 }
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659
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660 public void reset() {
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661 index = -1;
413
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662 nextFile = new RegularFileInfo(execCap, linkCap);
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663 }
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664
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665 public boolean hasNext() {
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666 return paths.length > 0 && index < paths.length-1;
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667 }
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668
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diff changeset
669 public void next() {
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670 index++;
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671 if (index == paths.length) {
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672 throw new NoSuchElementException();
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diff changeset
673 }
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diff changeset
674 nextFile.init(new File(dir, paths[index].toString()));
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diff changeset
675 }
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676
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677 public Path name() {
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678 return paths[index];
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diff changeset
679 }
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diff changeset
680
287
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diff changeset
681 public FileInfo file() {
226
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diff changeset
682 return nextFile;
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diff changeset
683 }
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diff changeset
684
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diff changeset
685 public boolean inScope(Path file) {
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686 for (int i = 0; i < paths.length; i++) {
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diff changeset
687 if (paths[i].equals(file)) {
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diff changeset
688 return true;
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diff changeset
689 }
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diff changeset
690 }
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diff changeset
691 return false;
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692 }
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693
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
694 public boolean supportsExecFlag() {
423
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
695 return execCap;
413
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diff changeset
696 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
697
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
698 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
699 return linkCap;
413
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diff changeset
700 }
226
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diff changeset
701 }
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diff changeset
702
229
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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diff changeset
703 private static class FileIteratorFilter implements FileIterator {
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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diff changeset
704 private final Path.Matcher filter;
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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diff changeset
705 private final FileIterator walker;
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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diff changeset
706 private boolean didNext = false;
226
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diff changeset
707
229
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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diff changeset
708 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
709 assert fileWalker != null;
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
710 assert filterMatcher != null;
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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diff changeset
711 filter = filterMatcher;
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
712 walker = fileWalker;
226
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diff changeset
713 }
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diff changeset
714
350
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parents: 348
diff changeset
715 public void reset() throws IOException {
226
26ad7827a62d Support status query for a single file or a subdirectory of a repository
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parents: 219
diff changeset
716 walker.reset();
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parents: 219
diff changeset
717 }
26ad7827a62d Support status query for a single file or a subdirectory of a repository
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diff changeset
718
350
33eaed1ad130 Allow FileIterator report any errors from the underlaying file system up to the client
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parents: 348
diff changeset
719 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
720 while (walker.hasNext()) {
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
721 walker.next();
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
722 if (filter.accept(walker.name())) {
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
723 didNext = true;
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
724 return true;
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parents: 226
diff changeset
725 }
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
726 }
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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diff changeset
727 return false;
226
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parents: 219
diff changeset
728 }
26ad7827a62d Support status query for a single file or a subdirectory of a repository
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diff changeset
729
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
730 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
731 if (didNext) {
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
732 didNext = false;
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
733 } else {
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
734 if (!hasNext()) {
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
735 throw new NoSuchElementException();
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
736 }
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
737 }
226
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parents: 219
diff changeset
738 }
26ad7827a62d Support status query for a single file or a subdirectory of a repository
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diff changeset
739
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diff changeset
740 public Path name() {
26ad7827a62d Support status query for a single file or a subdirectory of a repository
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diff changeset
741 return walker.name();
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parents: 219
diff changeset
742 }
26ad7827a62d Support status query for a single file or a subdirectory of a repository
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diff changeset
743
287
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parents: 285
diff changeset
744 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
745 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
746 }
26ad7827a62d Support status query for a single file or a subdirectory of a repository
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parents: 219
diff changeset
747
26ad7827a62d Support status query for a single file or a subdirectory of a repository
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parents: 219
diff changeset
748 public boolean inScope(Path file) {
229
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
749 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
750 }
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
751
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
752 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
753 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
754 }
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
755
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
756 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
757 return walker.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
758 }
226
26ad7827a62d Support status query for a single file or a subdirectory of a repository
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diff changeset
759 }
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
760 }