Mercurial > hg4j

annotate test/org/tmatesoft/hg/test/TestBlame.java @ 552:45751456b471

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Annotate file changes through few revisions, walking either direction (old to new and vice versa)
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Wed, 20 Feb 2013 22:23:50 +0100
parents 83afa680555d
children 093a2022dad5
rev   line source
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1 /*
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2 * Copyright (c) 2013 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.test;
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18
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19 import static org.junit.Assert.assertEquals;
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20 import static org.junit.Assert.assertTrue;
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21 import static org.tmatesoft.hg.repo.HgRepository.NO_REVISION;
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22 import static org.tmatesoft.hg.repo.HgRepository.TIP;
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23
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24 import java.io.ByteArrayOutputStream;
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25 import java.io.PrintStream;
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26 import java.util.Arrays;
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27 import java.util.regex.Pattern;
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28
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29 import org.junit.Assert;
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30 import org.junit.Rule;
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31 import org.junit.Test;
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32 import org.tmatesoft.hg.console.Bundle.Dump;
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33 import org.tmatesoft.hg.core.HgIterateDirection;
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34 import org.tmatesoft.hg.internal.AnnotateFacility;
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35 import org.tmatesoft.hg.internal.AnnotateFacility.AddBlock;
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36 import org.tmatesoft.hg.internal.AnnotateFacility.Block;
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37 import org.tmatesoft.hg.internal.AnnotateFacility.ChangeBlock;
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38 import org.tmatesoft.hg.internal.AnnotateFacility.DeleteBlock;
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39 import org.tmatesoft.hg.internal.AnnotateFacility.EqualBlock;
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40 import org.tmatesoft.hg.internal.AnnotateFacility.LineDescriptor;
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41 import org.tmatesoft.hg.internal.IntMap;
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42 import org.tmatesoft.hg.repo.HgDataFile;
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43 import org.tmatesoft.hg.repo.HgLookup;
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44 import org.tmatesoft.hg.repo.HgRepository;
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45
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46 /**
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47 *
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48 * @author Artem Tikhomirov
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49 * @author TMate Software Ltd.
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50 */
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51 public class TestBlame {
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52
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53 @Rule
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54 public ErrorCollectorExt errorCollector = new ErrorCollectorExt();
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55
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56
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57 @Test
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58 public void testSingleParentBlame() throws Exception {
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59 HgRepository repo = new HgLookup().detectFromWorkingDir();
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60 final String fname = "src/org/tmatesoft/hg/internal/PatchGenerator.java";
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61 final int checkChangeset = 539;
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62 HgDataFile df = repo.getFileNode(fname);
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63 ByteArrayOutputStream bos = new ByteArrayOutputStream();
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64 new AnnotateFacility().annotateChange(df, checkChangeset, new DiffOutInspector(new PrintStream(bos)));
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65 LineGrepOutputParser gp = new LineGrepOutputParser("^@@.+");
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66 ExecHelper eh = new ExecHelper(gp, null);
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67 eh.run("hg", "diff", "-c", String.valueOf(checkChangeset), "-U", "0", fname);
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68 //
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69 String[] apiResult = splitLines(bos.toString());
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70 String[] expected = splitLines(gp.result());
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71 Assert.assertArrayEquals(expected, apiResult);
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72 }
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73
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74 @Test
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75 public void testFileAnnotate() throws Exception {
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76 HgRepository repo = new HgLookup().detectFromWorkingDir();
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77 final String fname = "src/org/tmatesoft/hg/internal/PatchGenerator.java";
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78 HgDataFile df = repo.getFileNode(fname);
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79 OutputParser.Stub op = new OutputParser.Stub();
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80 ExecHelper eh = new ExecHelper(op, null);
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81
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82 for (int startChangeset : new int[] { 539, 541 /*, TIP */}) {
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83 FileAnnotateInspector fa = new FileAnnotateInspector();
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84 new AnnotateFacility().annotate(df, startChangeset, fa);
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85
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86
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87 op.reset();
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88 eh.run("hg", "annotate", "-r", startChangeset == TIP ? "tip" : String.valueOf(startChangeset), fname);
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89
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90 String[] hgAnnotateLines = splitLines(op.result());
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91 assertTrue("[sanity]", hgAnnotateLines.length > 0);
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92 assertEquals("Number of lines reported by native annotate and our impl", hgAnnotateLines.length, fa.lineRevisions.length);
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93
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94 for (int i = 0; i < fa.lineRevisions.length; i++) {
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95 int hgAnnotateRevIndex = Integer.parseInt(hgAnnotateLines[i].substring(0, hgAnnotateLines[i].indexOf(':')));
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96 errorCollector.assertEquals(String.format("Revision mismatch for line %d", i+1), hgAnnotateRevIndex, fa.lineRevisions[i]);
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97 }
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98 }
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99 }
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100
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101 private static String[] splitLines(CharSequence seq) {
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102 int lineCount = 0;
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103 for (int i = 0, x = seq.length(); i < x; i++) {
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104 if (seq.charAt(i) == '\n') {
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105 lineCount++;
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106 }
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107 }
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108 if (seq.length() > 0 && seq.charAt(seq.length()-1) != '\n') {
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109 lineCount++;
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110 }
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111 String[] rv = new String[lineCount];
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112 int lineStart = 0, lineEnd = 0, ix = 0;
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113 do {
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114 while (lineEnd < seq.length() && seq.charAt(lineEnd) != '\n') lineEnd++;
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115 if (lineEnd == lineStart) {
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116 continue;
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117 }
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118 CharSequence line = seq.subSequence(lineStart, lineEnd);
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119 rv[ix++] = line.toString();
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120 lineStart = ++lineEnd;
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121 } while (lineStart < seq.length());
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122 assert ix == lineCount;
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123 return rv;
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124 }
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125
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126
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127 private void aaa() throws Exception {
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128 HgRepository repo = new HgLookup().detectFromWorkingDir();
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129 final String fname = "src/org/tmatesoft/hg/internal/PatchGenerator.java";
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130 final int checkChangeset = 539;
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131 HgDataFile df = repo.getFileNode(fname);
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132 AnnotateFacility af = new AnnotateFacility();
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133 DiffOutInspector dump = new DiffOutInspector(System.out);
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134 System.out.println("541 -> 543");
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135 af.annotateChange(df, 543, dump);
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136 System.out.println("539 -> 541");
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137 af.annotateChange(df, 541, dump);
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138 System.out.println("536 -> 539");
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139 af.annotateChange(df, checkChangeset, dump);
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140 System.out.println("531 -> 536");
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141 af.annotateChange(df, 536, dump);
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142 System.out.println(" -1 -> 531");
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143 af.annotateChange(df, 531, dump);
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144
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145 FileAnnotateInspector fai = new FileAnnotateInspector();
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146 af.annotate(df, 541, fai);
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147 for (int i = 0; i < fai.lineRevisions.length; i++) {
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148 System.out.printf("%3d: LINE %d\n", fai.lineRevisions[i], i+1);
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149 }
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150 }
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151
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152 private void bbb() throws Exception {
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153 HgRepository repo = new HgLookup().detectFromWorkingDir();
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154 final String fname = "src/org/tmatesoft/hg/repo/HgManifest.java";
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155 final int checkChangeset = 415;
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156 HgDataFile df = repo.getFileNode(fname);
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157 AnnotateFacility af = new AnnotateFacility();
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158 DiffOutInspector dump = new DiffOutInspector(System.out);
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159 // System.out.println("413 -> 415");
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160 // af.diff(df, 413, 415, dump);
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161 // System.out.println("408 -> 415");
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162 // af.diff(df, 408, 415, dump);
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163 // System.out.println("Combined (with merge):");
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164 // dump.needRevisions(true);
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165 // af.annotateChange(df, checkChangeset, dump);
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166 dump.needRevisions(true);
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167 af.annotate(df, checkChangeset, dump, HgIterateDirection.OldToNew);
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168 }
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169
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170 private void leftovers() throws Exception {
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171 IntMap<String> linesOld = new IntMap<String>(100), linesNew = new IntMap<String>(100);
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172 System.out.println("Changes to old revision:");
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173 for (int i = linesOld.firstKey(), x = linesOld.lastKey(); i < x; i++) {
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174 if (linesOld.containsKey(i)) {
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175 System.out.println(linesOld.get(i));
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176 }
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177 }
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178
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179 System.out.println("Changes in the new revision:");
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180 for (int i = linesNew.firstKey(), x = linesNew.lastKey(); i < x; i++) {
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181 if (linesNew.containsKey(i)) {
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182 System.out.println(linesNew.get(i));
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183 }
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184 }
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185 }
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186
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187 public static void main(String[] args) throws Exception {
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188 // System.out.println(Arrays.equals(new String[0], splitLines("")));
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189 // System.out.println(Arrays.equals(new String[] { "abc" }, splitLines("abc")));
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190 // System.out.println(Arrays.equals(new String[] { "a", "bc" }, splitLines("a\nbc")));
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191 // System.out.println(Arrays.equals(new String[] { "a", "bc" }, splitLines("a\nbc\n")));
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192 new TestBlame().bbb();
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193 }
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194
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195 static class DiffOutInspector implements AnnotateFacility.BlockInspector {
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196 private final PrintStream out;
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197 private boolean dumpRevs;
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198
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199 DiffOutInspector(PrintStream ps) {
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200 out = ps;
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201 }
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202
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203 public void needRevisions(boolean dumpRevs) {
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204 // Note, true makes output incompatible with 'hg diff'
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205 this.dumpRevs = dumpRevs;
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206 }
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207
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208 private void printRevs(Block b) {
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209 if (dumpRevs) {
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210 out.printf("[%3d -> %3d] ", b.originChangesetIndex(), b.targetChangesetIndex());
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211 }
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212 }
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213
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214 public void same(EqualBlock block) {
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215 // nothing
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216 }
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217
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218 public void deleted(DeleteBlock block) {
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219 printRevs(block);
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220 out.printf("@@ -%d,%d +%d,0 @@\n", block.firstRemovedLine() + 1, block.totalRemovedLines(), block.removedAt());
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221 // String[] lines = block.removedLines();
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222 // assert lines.length == block.totalRemovedLines();
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223 // for (int i = 0, ln = block.firstRemovedLine(); i < lines.length; i++, ln++) {
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224 // linesOld.put(ln, String.format("%3d:---:%s", ln, lines[i]));
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225 // }
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226 }
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227
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228 public void changed(ChangeBlock block) {
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229 // deleted(block);
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230 // added(block);
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231 printRevs(block);
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232 out.printf("@@ -%d,%d +%d,%d @@\n", block.firstRemovedLine() + 1, block.totalRemovedLines(), block.firstAddedLine() + 1, block.totalAddedLines());
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233 }
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234
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235 public void added(AddBlock block) {
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236 printRevs(block);
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237 out.printf("@@ -%d,0 +%d,%d @@\n", block.insertedAt(), block.firstAddedLine() + 1, block.totalAddedLines());
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238 // String[] addedLines = block.addedLines();
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239 // assert addedLines.length == block.totalAddedLines();
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240 // for (int i = 0, ln = block.firstAddedLine(), x = addedLines.length; i < x; i++, ln++) {
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241 // linesNew.put(ln, String.format("%3d:+++:%s", ln, addedLines[i]));
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242 // }
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243 }
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244 }
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245
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246 public static class LineGrepOutputParser implements OutputParser {
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247
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248 private final Pattern pattern;
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249 private final StringBuilder result = new StringBuilder();
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250
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251 public LineGrepOutputParser(String regexp) {
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252 pattern = Pattern.compile(regexp);
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253 }
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254
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255 public CharSequence result() {
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256 return result;
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257 }
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258
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259 public void parse(CharSequence seq) {
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260 int lineStart = 0, lineEnd = 0;
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261 do {
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262 while (lineEnd < seq.length() && seq.charAt(lineEnd) != '\n') lineEnd++;
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263 if (lineEnd == lineStart) {
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264 continue;
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265 }
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266 CharSequence line = seq.subSequence(lineStart, lineEnd);
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267 if (pattern.matcher(line).matches()) {
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268 result.append(line);
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269 result.append('\n');
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270 }
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271 lineStart = ++lineEnd;
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272 } while (lineStart < seq.length());
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273 }
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274 }
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275
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276 private static class FileAnnotateInspector implements AnnotateFacility.LineInspector {
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277 private int[] lineRevisions;
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278
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279 FileAnnotateInspector() {
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280 }
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281
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282 public void line(int lineNumber, int changesetRevIndex, LineDescriptor ld) {
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283 if (lineRevisions == null) {
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284 lineRevisions = new int [ld.totalLines()];
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285 Arrays.fill(lineRevisions, NO_REVISION);
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286 }
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287 lineRevisions[lineNumber] = changesetRevIndex;
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288 }
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289 }
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290
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291 }