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annotate src/org/tmatesoft/hg/repo/HgManifest.java @ 390:6952d9ce97f1

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Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Thu, 16 Feb 2012 16:08:51 +0100
parents 6150555eb41d
children 2747b0723867 63c5a9d7ca3f
rev   line source
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1 /*
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2 * Copyright (c) 2010-2012 TMate Software Ltd
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3 *
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4 * This program is free software; you can redistribute it and/or modify
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5 * it under the terms of the GNU General Public License as published by
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6 * the Free Software Foundation; version 2 of the License.
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7 *
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8 * This program is distributed in the hope that it will be useful,
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9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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11 * GNU General Public License for more details.
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12 *
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13 * For information on how to redistribute this software under
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14 * the terms of a license other than GNU General Public License
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15 * contact TMate Software at support@hg4j.com
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16 */
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17 package org.tmatesoft.hg.repo;
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19 import static org.tmatesoft.hg.core.Nodeid.NULL;
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20 import static org.tmatesoft.hg.repo.HgRepository.BAD_REVISION;
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21 import static org.tmatesoft.hg.repo.HgRepository.TIP;
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22
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23 import java.io.ByteArrayOutputStream;
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24 import java.io.IOException;
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25 import java.util.ArrayList;
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26 import java.util.Arrays;
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27 import java.util.HashMap;
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28 import java.util.Map;
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30 import org.tmatesoft.hg.core.HgBadStateException;
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31 import org.tmatesoft.hg.core.HgException;
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32 import org.tmatesoft.hg.core.HgInvalidControlFileException;
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33 import org.tmatesoft.hg.core.Nodeid;
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34 import org.tmatesoft.hg.internal.DataAccess;
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35 import org.tmatesoft.hg.internal.DigestHelper;
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36 import org.tmatesoft.hg.internal.EncodingHelper;
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37 import org.tmatesoft.hg.internal.Experimental;
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38 import org.tmatesoft.hg.internal.IterateControlMediator;
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39 import org.tmatesoft.hg.internal.Lifecycle;
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40 import org.tmatesoft.hg.internal.Pool2;
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41 import org.tmatesoft.hg.internal.RevlogStream;
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42 import org.tmatesoft.hg.util.CancelSupport;
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43 import org.tmatesoft.hg.util.Path;
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44 import org.tmatesoft.hg.util.ProgressSupport;
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45
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46
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47 /**
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48 *
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49 * @author Artem Tikhomirov
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50 * @author TMate Software Ltd.
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51 */
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52 public class HgManifest extends Revlog {
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53 private RevisionMapper revisionMap;
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54
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55 public enum Flags {
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56 Exec, Link;
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57
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58 static Flags parse(String flags) {
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59 if ("x".equalsIgnoreCase(flags)) {
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60 return Exec;
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61 }
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62 if ("l".equalsIgnoreCase(flags)) {
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63 return Link;
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64 }
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65 if (flags == null) {
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66 return null;
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67 }
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68 throw new IllegalStateException(flags);
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69 }
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70
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71 static Flags parse(byte[] data, int start, int length) {
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72 if (length == 0) {
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73 return null;
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74 }
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75 if (length == 1) {
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76 if (data[start] == 'x') {
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77 return Exec;
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78 }
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79 if (data[start] == 'l') {
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80 return Link;
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81 }
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82 // FALL THROUGH
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83 }
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84 throw new IllegalStateException(new String(data, start, length));
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85 }
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86
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87 String nativeString() {
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88 if (this == Exec) {
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89 return "x";
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90 }
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91 if (this == Link) {
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92 return "l";
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93 }
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94 throw new IllegalStateException(toString());
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95 }
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96 }
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98 /*package-local*/ HgManifest(HgRepository hgRepo, RevlogStream content) {
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99 super(hgRepo, content);
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100 }
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101
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102 /**
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103 * Walks manifest revisions that correspond to specified range of changesets. The order in which manifest versions get reported
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104 * to the inspector corresponds to physical order of manifest revisions, not that of changesets (with few exceptions as noted below).
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105 * That is, for cset-manifest revision pairs:
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106 * <pre>
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107 * 3 8
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108 * 4 7
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109 * 5 9
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110 * </pre>
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111 * call <code>walk(3,5, insp)</code> would yield (4,7), (3,8) and (5,9) to the inspector;
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112 * different order of arguments, <code>walk(5, 3, insp)</code>, makes no difference.
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113 *
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114 * <p>Physical layout of mercurial files (revlog) doesn't impose any restriction on whether manifest and changeset revisions shall go
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115 * incrementally, nor it mandates presence of manifest version for a changeset. Thus, there might be changesets that record {@link Nodeid#NULL}
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116 * as corresponding manifest revision. This situation is deemed exceptional now and what would <code>inspector</code> get depends on whether
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117 * <code>start</code> or <code>end</code> arguments point to such changeset, or such changeset happen to be somewhere inside the range
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118 * <code>[start..end]</code>. Implementation does it best to report empty manifests (<code>Inspector.begin(BAD_REVISION, NULL, csetRevIndex);</code>
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119 * followed immediately by <code>Inspector.end(BAD_REVISION)</code> when <code>start</code> and/or <code>end</code> point to changeset with no associated
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120 * manifest revision. However, if changeset-manifest revision pairs look like:
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121 * <pre>
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122 * 3 8
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123 * 4 -1 (cset records null revision for manifest)
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124 * 5 9
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125 * </pre>
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126 * call <code>walk(3,5, insp)</code> would yield only (3,8) and (5,9) to the inspector, without additional empty
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127 * <code>Inspector.begin(); Inspector.end()</code> call pair.
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128 *
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129 * @param start changelog (not manifest!) revision to begin with
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130 * @param end changelog (not manifest!) revision to stop, inclusive.
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131 * @param inspector manifest revision visitor, can't be <code>null</code>
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132 * @throws HgInvalidControlFileException if access to revlog index/data entry failed
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133 */
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134 public void walk(int start, int end, final Inspector inspector) throws /*FIXME HgInvalidRevisionException,*/ HgInvalidControlFileException {
196
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135 if (inspector == null) {
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136 throw new IllegalArgumentException();
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137 }
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138 final int csetFirst = start <= end ? start : end, csetLast = start > end ? start : end;
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139 int manifestFirst, manifestLast, i = 0;
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140 do {
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141 manifestFirst = fromChangelog(csetFirst+i);
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142 if (manifestFirst == -1) {
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143 inspector.begin(BAD_REVISION, NULL, csetFirst+i);
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144 inspector.end(BAD_REVISION);
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145 }
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146 i++;
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147 } while (manifestFirst == -1 && csetFirst+i <= csetLast);
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148 if (manifestFirst == -1) {
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149 getRepo().getContext().getLog().info(getClass(), "None of changesets [%d..%d] have associated manifest revision", csetFirst, csetLast);
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150 // we ran through all revisions in [start..end] and none of them had manifest.
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151 // we reported that to inspector and proceeding is done now.
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152 return;
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153 }
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154 i = 0;
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155 do {
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156 manifestLast = fromChangelog(csetLast-i);
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157 if (manifestLast == -1) {
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158 inspector.begin(BAD_REVISION, NULL, csetLast-i);
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159 inspector.end(BAD_REVISION);
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160 }
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161 i++;
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162 } while (manifestLast == -1 && csetLast-i >= csetFirst);
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163 if (manifestLast == -1) {
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164 // hmm, manifestFirst != -1 here, hence there's i from [csetFirst..csetLast] for which manifest entry exists,
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165 // and thus it's impossible to run into manifestLast == -1. Nevertheless, never hurts to check.
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166 throw new HgBadStateException(String.format("Manifest %d-%d(!) for cset range [%d..%d] ", manifestFirst, manifestLast, csetFirst, csetLast));
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167 }
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168 if (manifestLast < manifestFirst) {
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169 // there are tool-constructed repositories that got order of changeset revisions completely different from that of manifest
390
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170 int x = manifestLast;
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171 manifestLast = manifestFirst;
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172 manifestFirst = x;
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173 }
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174 content.iterate(manifestFirst, manifestLast, true, new ManifestParser(inspector));
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175 }
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176
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177 /**
390
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178 * "Sparse" iteration of the manifest, more effective than accessing revisions one by one.
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179 * <p> Inspector is invoked for each changeset revision supplied, even when there's no manifest
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180 * revision associated with a changeset (@see {@link #walk(int, int, Inspector)} for more details when it happens). Order inspector
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181 * gets invoked doesn't resemble order of changeset revisions supplied, manifest revisions are reported in the order they appear
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182 * in manifest revlog (with exception of changesets with missing manifest that may be reported in any order).
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183 *
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184 * @param inspector manifest revision visitor, can't be <code>null</code>
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185 * @param revisionIndexes local indexes of changesets to visit, non-<code>null</code>
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186 */
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187 public void walk(final Inspector inspector, int... revisionIndexes) throws HgInvalidControlFileException{
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188 if (inspector == null || revisionIndexes == null) {
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189 throw new IllegalArgumentException();
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190 }
390
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191 int[] manifestRevs = toManifestRevisionIndexes(revisionIndexes, inspector);
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192 content.iterate(manifestRevs, true, new ManifestParser(inspector));
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193 }
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194
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195 //
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196 /**
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197 * Tells manifest revision number that corresponds to the given changeset.
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198 * @return manifest revision index, or -1 if changeset has no associated manifest (cset records NULL nodeid for manifest)
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199 */
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200 /*package-local*/ int fromChangelog(int changesetRevisionIndex) throws HgInvalidControlFileException {
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201 if (HgInternals.wrongRevisionIndex(changesetRevisionIndex)) {
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202 throw new IllegalArgumentException(String.valueOf(changesetRevisionIndex));
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203 }
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204 if (changesetRevisionIndex == HgRepository.WORKING_COPY || changesetRevisionIndex == HgRepository.BAD_REVISION) {
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205 throw new IllegalArgumentException("Can't use constants like WORKING_COPY or BAD_REVISION");
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206 }
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207 // revisionNumber == TIP is processed by RevisionMapper
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208 if (revisionMap == null) {
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209 revisionMap = new RevisionMapper(getRepo());
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210 content.iterate(0, TIP, false, revisionMap);
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211 }
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212 return revisionMap.at(changesetRevisionIndex);
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213 }
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214
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215 /**
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216 * Extracts file revision as it was known at the time of given changeset.
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217 *
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218 * @param changelogRevisionIndex local changeset index
232
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219 * @param file path to file in question
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220 * @return file revision or <code>null</code> if manifest at specified revision doesn't list such file
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221 */
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222 @Experimental(reason="Perhaps, HgDataFile shall own this method, or get a delegate?")
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223 public Nodeid getFileRevision(int changelogRevisionIndex, final Path file) throws HgInvalidControlFileException{
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224 return getFileRevisions(file, changelogRevisionIndex).get(changelogRevisionIndex);
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225 }
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226
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227 // XXX package-local, IntMap, and HgDataFile getFileRevisionAt(int... localChangelogRevisions)
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228 @Experimental(reason="@see #getFileRevision")
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229 public Map<Integer, Nodeid> getFileRevisions(final Path file, int... changelogRevisionIndexes) throws HgInvalidControlFileException{
326
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230 // FIXME need tests
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231 int[] manifestRevisionIndexes = toManifestRevisionIndexes(changelogRevisionIndexes, null);
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232 final HashMap<Integer,Nodeid> rv = new HashMap<Integer, Nodeid>(changelogRevisionIndexes.length);
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233 content.iterate(manifestRevisionIndexes, true, new RevlogStream.Inspector() {
232
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234
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235 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess data) throws HgException {
232
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236 ByteArrayOutputStream bos = new ByteArrayOutputStream();
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237 try {
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238 byte b;
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239 while (!data.isEmpty() && (b = data.readByte()) != '\n') {
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240 if (b != 0) {
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241 bos.write(b);
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242 } else {
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243 String fname = new String(bos.toByteArray());
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244 bos.reset();
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245 if (file.toString().equals(fname)) {
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246 byte[] nid = new byte[40];
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247 data.readBytes(nid, 0, 40);
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248 rv.put(linkRevision, Nodeid.fromAscii(nid, 0, 40));
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249 break;
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250 } else {
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251 data.skip(40);
232
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252 }
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253 // else skip to the end of line
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254 while (!data.isEmpty() && (b = data.readByte()) != '\n')
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255 ;
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256 }
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257 }
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258 } catch (IOException ex) {
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259 throw new HgException(ex);
232
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260 }
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261 }
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262 });
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263 return rv;
232
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264 }
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265
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266
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267 /**
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268 * @param changelogRevisionIndexes non-null
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269 * @param inspector may be null if reporting of missing manifests is not needed
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270 */
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271 private int[] toManifestRevisionIndexes(int[] changelogRevisionIndexes, Inspector inspector) throws HgInvalidControlFileException {
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272 int[] manifestRevs = new int[changelogRevisionIndexes.length];
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273 boolean needsSort = false;
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274 int j = 0;
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275 for (int i = 0; i < changelogRevisionIndexes.length; i++) {
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276 final int manifestRevisionIndex = fromChangelog(changelogRevisionIndexes[i]);
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277 if (manifestRevisionIndex == -1) {
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278 if (inspector != null) {
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279 inspector.begin(BAD_REVISION, NULL, changelogRevisionIndexes[i]);
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280 inspector.end(BAD_REVISION);
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281 }
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282 // othrwise, ignore changeset without manifest
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283 } else {
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284 manifestRevs[j] = manifestRevisionIndex;
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285 if (j > 0 && manifestRevs[j-1] > manifestRevisionIndex) {
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286 needsSort = true;
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287 }
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288 j++;
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289 }
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290 }
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291 if (needsSort) {
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292 Arrays.sort(manifestRevs, 0, j);
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293 }
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294 if (j == manifestRevs.length) {
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295 return manifestRevs;
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296 } else {
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297 int[] rv = new int[j];
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298 //Arrays.copyOfRange
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299 System.arraycopy(manifestRevs, 0, rv, 0, j);
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300 return rv;
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301 }
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302 }
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303
19
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304 public interface Inspector {
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305 boolean begin(int mainfestRevision, Nodeid nid, int changelogRevision);
285
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306 /**
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307 * @deprecated switch to {@link Inspector2#next(Nodeid, Path, Flags)}
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308 */
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309 @Deprecated
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310 boolean next(Nodeid nid, String fname, String flags);
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311 boolean end(int manifestRevision);
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312 }
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313
285
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314 @Experimental(reason="Explore Path alternative for filenames and enum for flags")
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315 public interface Inspector2 extends Inspector {
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316 boolean next(Nodeid nid, Path fname, Flags flags);
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317 }
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318
268
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319 /**
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320 * When Pool uses Strings directly,
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321 * ManifestParser creates new String instance with new char[] value, and does byte->char conversion.
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322 * For cpython repo, walk(0..10k), there are over 16 million filenames, of them only 3020 unique.
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323 * This means there are 15.9 million useless char[] instances and byte->char conversions
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324 *
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325 * When String (Path) is wrapped into {@link PathProxy}, there's extra overhead of byte[] representation
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326 * of the String, but these are only for unique Strings (Paths) (3020 in the example above). Besides, I save
268
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327 * useless char[] and byte->char conversions.
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328 */
285
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329 private static class PathProxy {
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330 private byte[] data;
268
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331 private int start;
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332 private final int hash, length;
285
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333 private Path result;
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334
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335 public PathProxy(byte[] data, int start, int length) {
267
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336 this.data = data;
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337 this.start = start;
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338 this.length = length;
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339
268
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340 // copy from String.hashCode(). In fact, not necessarily match result of String(data).hashCode
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341 // just need some nice algorithm here
267
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342 int h = 0;
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343 byte[] d = data;
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344 for (int i = 0, off = start, len = length; i < len; i++) {
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345 h = 31 * h + d[off++];
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346 }
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347 hash = h;
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348 }
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349
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350 @Override
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351 public boolean equals(Object obj) {
285
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352 if (false == obj instanceof PathProxy) {
267
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353 return false;
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354 }
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355 PathProxy o = (PathProxy) obj;
267
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356 if (o.result != null && result != null) {
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357 return result.equals(o.result);
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358 }
268
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359 if (o.length != length || o.hash != hash) {
267
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360 return false;
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361 }
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362 for (int i = 0, x = o.start, y = start; i < length; i++) {
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363 if (o.data[x++] != data[y++]) {
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364 return false;
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365 }
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366 }
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367 return true;
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368 }
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369 @Override
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370 public int hashCode() {
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371 return hash;
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372 }
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373
285
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374 public Path freeze() {
267
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375 if (result == null) {
320
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376 result = Path.create(EncodingHelper.fromManifest(data, start, length));
268
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377 // release reference to bigger data array, make a copy of relevant part only
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378 // use original bytes, not those from String above to avoid cache misses due to different encodings
268
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379 byte[] d = new byte[length];
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380 System.arraycopy(data, start, d, 0, length);
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381 data = d;
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382 start = 0;
267
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383 }
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384 return result;
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385 }
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386 }
196
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387
312
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388 private static class ManifestParser implements RevlogStream.Inspector, Lifecycle {
196
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389 private final Inspector inspector;
285
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390 private final Inspector2 inspector2;
304
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391 private Pool2<Nodeid> nodeidPool, thisRevPool;
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392 private final Pool2<PathProxy> fnamePool;
266
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393 private byte[] nodeidLookupBuffer = new byte[20]; // get reassigned each time new Nodeid is added to pool
312
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394 private final ProgressSupport progressHelper;
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395 private IterateControlMediator iterateControl;
262
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396
196
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397 public ManifestParser(Inspector delegate) {
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398 assert delegate != null;
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399 inspector = delegate;
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400 inspector2 = delegate instanceof Inspector2 ? (Inspector2) delegate : null;
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401 nodeidPool = new Pool2<Nodeid>();
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402 fnamePool = new Pool2<PathProxy>();
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403 thisRevPool = new Pool2<Nodeid>();
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404 progressHelper = ProgressSupport.Factory.get(delegate);
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405 }
268
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406
366
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407 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess da) throws HgException {
196
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408 try {
312
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409 if (!inspector.begin(revisionNumber, new Nodeid(nodeid, true), linkRevision)) {
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410 iterateControl.stop();
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411 return;
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412 }
372
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413 if (!da.isEmpty()) {
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414 // although unlikely, manifest entry may be empty, when all files have been deleted from the repository
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415 Path fname = null;
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416 Flags flags = null;
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417 Nodeid nid = null;
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418 int i;
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419 byte[] data = da.byteArray();
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420 for (i = 0; i < actualLen; i++) {
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421 int x = i;
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422 for( ; data[i] != '\n' && i < actualLen; i++) {
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423 if (fname == null && data[i] == 0) {
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424 PathProxy px = fnamePool.unify(new PathProxy(data, x, i - x));
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425 // if (cached = fnamePool.unify(px))== px then cacheMiss, else cacheHit
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426 // cpython 0..10k: hits: 15 989 152, misses: 3020
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diff changeset
427 fname = px.freeze();
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428 x = i+1;
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429 }
196
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430 }
372
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431 if (i < actualLen) {
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432 assert data[i] == '\n';
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433 int nodeidLen = i - x < 40 ? i-x : 40; // if > 40, there are flags
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diff changeset
434 DigestHelper.ascii2bin(data, x, nodeidLen, nodeidLookupBuffer); // ignore return value as it's unlikely to have NULL in manifest
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435 nid = new Nodeid(nodeidLookupBuffer, false); // this Nodeid is for pool lookup only, mock object
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diff changeset
436 Nodeid cached = nodeidPool.unify(nid);
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diff changeset
437 if (cached == nid) {
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diff changeset
438 // buffer now belongs to the cached nodeid
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diff changeset
439 nodeidLookupBuffer = new byte[20];
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diff changeset
440 } else {
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441 nid = cached; // use existing version, discard the lookup object
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442 } // for cpython 0..10k, cache hits are 15 973 301, vs 18871 misses.
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diff changeset
443 thisRevPool.record(nid); // memorize revision for the next iteration.
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diff changeset
444 if (nodeidLen + x < i) {
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diff changeset
445 // 'x' and 'l' for executable bits and symlinks?
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diff changeset
446 // hg --debug manifest shows 644 for each regular file in my repo
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diff changeset
447 // for cpython 0..10k, there are 4361062 flag checks, and there's only 1 unique flag
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diff changeset
448 flags = Flags.parse(data, x + nodeidLen, i-x-nodeidLen);
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449 } else {
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450 flags = null;
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451 }
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452 boolean good2go;
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diff changeset
453 if (inspector2 == null) {
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diff changeset
454 String flagString = flags == null ? null : flags.nativeString();
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diff changeset
455 good2go = inspector.next(nid, fname.toString(), flagString);
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diff changeset
456 } else {
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diff changeset
457 good2go = inspector2.next(nid, fname, flags);
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diff changeset
458 }
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diff changeset
459 if (!good2go) {
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460 iterateControl.stop();
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461 return;
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462 }
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463 }
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464 nid = null;
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465 fname = null;
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466 flags = null;
196
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467 }
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468 }
312
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469 if (!inspector.end(revisionNumber)) {
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470 iterateControl.stop();
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471 return;
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472 }
262
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473 //
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474 // keep only actual file revisions, found at this version
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475 // (next manifest is likely to refer to most of them, although in specific cases
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476 // like commit in another branch a lot may be useless)
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diff changeset
477 nodeidPool.clear();
304
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478 Pool2<Nodeid> t = nodeidPool;
262
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479 nodeidPool = thisRevPool;
264
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diff changeset
480 thisRevPool = t;
313
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481 iterateControl.checkCancelled();
312
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diff changeset
482 progressHelper.worked(1);
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483 } catch (IOException ex) {
366
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484 throw new HgException(ex);
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485 }
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486 }
312
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diff changeset
487
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488 public void start(int count, Callback callback, Object token) {
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489 CancelSupport cs = CancelSupport.Factory.get(inspector, null);
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490 iterateControl = new IterateControlMediator(cs, callback);
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491 progressHelper.start(count);
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492 }
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493
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494 public void finish(Object token) {
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495 progressHelper.done();
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496 }
196
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497 }
218
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498
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499 private static class RevisionMapper implements RevlogStream.Inspector, Lifecycle {
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500
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501 private final int changelogRevisions;
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502 private int[] changelog2manifest;
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503 private final HgRepository repo;
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504
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505 public RevisionMapper(HgRepository hgRepo) {
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506 repo = hgRepo;
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507 changelogRevisions = repo.getChangelog().getRevisionCount();
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diff changeset
508 }
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509
257
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510 // respects TIP
218
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511 public int at(int revisionNumber) {
257
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512 if (revisionNumber == TIP) {
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513 revisionNumber = changelogRevisions - 1;
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514 }
218
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515 if (changelog2manifest != null) {
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516 return changelog2manifest[revisionNumber];
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517 }
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diff changeset
518 return revisionNumber;
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519 }
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diff changeset
520
324
283b294d1079 Explore alternatives to access file-changelog combined history
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diff changeset
521 // XXX likely can be replaced with Revlog.RevisionInspector
218
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diff changeset
522 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess data) {
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523 if (changelog2manifest != null) {
220
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524 // next assertion is not an error, rather assumption check, which is too development-related to be explicit exception -
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525 // I just wonder if there are manifests that have two entries pointing to single changeset. It seems unrealistic, though -
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526 // changeset records one and only one manifest nodeid
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diff changeset
527 assert changelog2manifest[linkRevision] == -1 : String.format("revision:%d, link:%d, already linked to revision:%d", revisionNumber, linkRevision, changelog2manifest[linkRevision]);
218
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diff changeset
528 changelog2manifest[linkRevision] = revisionNumber;
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diff changeset
529 } else {
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530 if (revisionNumber != linkRevision) {
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diff changeset
531 changelog2manifest = new int[changelogRevisions];
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diff changeset
532 Arrays.fill(changelog2manifest, -1);
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diff changeset
533 for (int i = 0; i < revisionNumber; changelog2manifest[i] = i, i++)
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diff changeset
534 ;
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diff changeset
535 changelog2manifest[linkRevision] = revisionNumber;
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diff changeset
536 }
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diff changeset
537 }
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diff changeset
538 }
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diff changeset
539
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diff changeset
540 public void start(int count, Callback callback, Object token) {
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diff changeset
541 if (count != changelogRevisions) {
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diff changeset
542 assert count < changelogRevisions; // no idea what to do if manifest has more revisions than changelog
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diff changeset
543 // the way how manifest may contain more revisions than changelog, as I can imagine, is a result of
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diff changeset
544 // some kind of an import tool (e.g. from SVN or CVS), that creates manifest and changelog independently.
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diff changeset
545 // Note, it's pure guess, I didn't see such repository yet (although the way manifest revisions
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diff changeset
546 // in cpython repo are numbered makes me think aforementioned way)
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diff changeset
547 changelog2manifest = new int[changelogRevisions];
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diff changeset
548 Arrays.fill(changelog2manifest, -1);
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diff changeset
549 }
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diff changeset
550 }
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diff changeset
551
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diff changeset
552 public void finish(Object token) {
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diff changeset
553 if (changelog2manifest == null) {
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diff changeset
554 return;
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diff changeset
555 }
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diff changeset
556 // I assume there'd be not too many revisions we don't know manifest of
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diff changeset
557 ArrayList<Integer> undefinedChangelogRevision = new ArrayList<Integer>();
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diff changeset
558 for (int i = 0; i < changelog2manifest.length; i++) {
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diff changeset
559 if (changelog2manifest[i] == -1) {
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diff changeset
560 undefinedChangelogRevision.add(i);
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diff changeset
561 }
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diff changeset
562 }
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563 for (int u : undefinedChangelogRevision) {
354
5f9073eabf06 Propagate errors with exceptions up to a end client
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diff changeset
564 try {
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diff changeset
565 Nodeid manifest = repo.getChangelog().range(u, u).get(0).manifest();
390
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diff changeset
566 // TODO calculate those missing effectively (e.g. cache and sort nodeids to speed lookup
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diff changeset
567 // right away in the #next (may refactor ParentWalker's sequential and sorted into dedicated helper and reuse here)
385
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diff changeset
568 if (manifest.isNull()) {
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diff changeset
569 repo.getContext().getLog().warn(getClass(), "Changeset %d has no associated manifest entry", u);
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diff changeset
570 // keep -1 in the changelog2manifest map.
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diff changeset
571 } else {
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diff changeset
572 changelog2manifest[u] = repo.getManifest().getRevisionIndex(manifest);
6150555eb41d HgInvalidRevisionException for svn imported repositories (changeset 0 references nullid manifest)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 372
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573 }
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 326
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574 } catch (HgInvalidControlFileException ex) {
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 326
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575 // FIXME need to propagate the error up to client
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 326
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576 repo.getContext().getLog().error(getClass(), ex, null);
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 326
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577 }
218
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
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578 }
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
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579 }
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
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580 }
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
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581 }