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annotate test/org/tmatesoft/hg/test/TestBlame.java @ 549:83afa680555d

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Annotate merge revision (combined diff against two parents without looking further)
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Tue, 19 Feb 2013 21:17:39 +0100
parents ab21ac7dd833
children 45751456b471
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.internal.AnnotateFacility;
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34 import org.tmatesoft.hg.internal.AnnotateFacility.AddBlock;
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35 import org.tmatesoft.hg.internal.AnnotateFacility.Block;
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36 import org.tmatesoft.hg.internal.AnnotateFacility.ChangeBlock;
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37 import org.tmatesoft.hg.internal.AnnotateFacility.DeleteBlock;
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38 import org.tmatesoft.hg.internal.AnnotateFacility.EqualBlock;
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39 import org.tmatesoft.hg.internal.AnnotateFacility.LineDescriptor;
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40 import org.tmatesoft.hg.internal.IntMap;
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41 import org.tmatesoft.hg.repo.HgDataFile;
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42 import org.tmatesoft.hg.repo.HgLookup;
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43 import org.tmatesoft.hg.repo.HgRepository;
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44
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45 /**
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46 *
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47 * @author Artem Tikhomirov
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48 * @author TMate Software Ltd.
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49 */
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50 public class TestBlame {
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51
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52 @Rule
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53 public ErrorCollectorExt errorCollector = new ErrorCollectorExt();
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54
542
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55
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56 @Test
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57 public void testSingleParentBlame() throws Exception {
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58 HgRepository repo = new HgLookup().detectFromWorkingDir();
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59 final String fname = "src/org/tmatesoft/hg/internal/PatchGenerator.java";
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60 final int checkChangeset = 539;
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61 HgDataFile df = repo.getFileNode(fname);
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62 ByteArrayOutputStream bos = new ByteArrayOutputStream();
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63 new AnnotateFacility().annotateChange(df, checkChangeset, new DiffOutInspector(new PrintStream(bos)));
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64 LineGrepOutputParser gp = new LineGrepOutputParser("^@@.+");
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65 ExecHelper eh = new ExecHelper(gp, null);
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66 eh.run("hg", "diff", "-c", String.valueOf(checkChangeset), "-U", "0", fname);
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67 //
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68 String[] apiResult = splitLines(bos.toString());
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69 String[] expected = splitLines(gp.result());
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70 Assert.assertArrayEquals(expected, apiResult);
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71 }
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72
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73 @Test
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74 public void testFileAnnotate() throws Exception {
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75 HgRepository repo = new HgLookup().detectFromWorkingDir();
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76 final String fname = "src/org/tmatesoft/hg/internal/PatchGenerator.java";
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77 HgDataFile df = repo.getFileNode(fname);
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78 OutputParser.Stub op = new OutputParser.Stub();
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79 ExecHelper eh = new ExecHelper(op, null);
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80
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81 for (int startChangeset : new int[] { TIP, /*539, 541/ *, TIP */}) {
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82 FileAnnotateInspector fa = new FileAnnotateInspector();
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83 new AnnotateFacility().annotate(df, startChangeset, fa);
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84
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85
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86 op.reset();
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87 eh.run("hg", "annotate", "-r", startChangeset == TIP ? "tip" : String.valueOf(startChangeset), fname);
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88
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89 String[] hgAnnotateLines = splitLines(op.result());
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90 assertTrue("[sanity]", hgAnnotateLines.length > 0);
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91 assertEquals("Number of lines reported by native annotate and our impl", hgAnnotateLines.length, fa.lineRevisions.length);
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92
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93 for (int i = 0; i < fa.lineRevisions.length; i++) {
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94 int hgAnnotateRevIndex = Integer.parseInt(hgAnnotateLines[i].substring(0, hgAnnotateLines[i].indexOf(':')));
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95 errorCollector.assertEquals(String.format("Revision mismatch for line %d", i+1), hgAnnotateRevIndex, fa.lineRevisions[i]);
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96 }
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97 }
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98 }
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99
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100 private static String[] splitLines(CharSequence seq) {
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101 int lineCount = 0;
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102 for (int i = 0, x = seq.length(); i < x; i++) {
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103 if (seq.charAt(i) == '\n') {
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104 lineCount++;
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105 }
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106 }
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107 if (seq.length() > 0 && seq.charAt(seq.length()-1) != '\n') {
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108 lineCount++;
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109 }
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110 String[] rv = new String[lineCount];
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111 int lineStart = 0, lineEnd = 0, ix = 0;
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112 do {
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113 while (lineEnd < seq.length() && seq.charAt(lineEnd) != '\n') lineEnd++;
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114 if (lineEnd == lineStart) {
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115 continue;
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116 }
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117 CharSequence line = seq.subSequence(lineStart, lineEnd);
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118 rv[ix++] = line.toString();
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119 lineStart = ++lineEnd;
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120 } while (lineStart < seq.length());
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121 assert ix == lineCount;
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122 return rv;
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123 }
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124
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125
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126 private void aaa() throws Exception {
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127 HgRepository repo = new HgLookup().detectFromWorkingDir();
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128 final String fname = "src/org/tmatesoft/hg/internal/PatchGenerator.java";
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129 final int checkChangeset = 539;
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130 HgDataFile df = repo.getFileNode(fname);
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131 AnnotateFacility af = new AnnotateFacility();
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132 DiffOutInspector dump = new DiffOutInspector(System.out);
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133 System.out.println("541 -> 543");
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134 af.annotateChange(df, 543, dump);
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135 System.out.println("539 -> 541");
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136 af.annotateChange(df, 541, dump);
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137 System.out.println("536 -> 539");
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138 af.annotateChange(df, checkChangeset, dump);
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139 System.out.println("531 -> 536");
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140 af.annotateChange(df, 536, dump);
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141 System.out.println(" -1 -> 531");
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142 af.annotateChange(df, 531, dump);
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143
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144 FileAnnotateInspector fai = new FileAnnotateInspector();
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145 af.annotate(df, TIP, fai);
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146 for (int i = 0; i < fai.lineRevisions.length; i++) {
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147 System.out.printf("%3d: LINE %d\n", fai.lineRevisions[i], i+1);
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148 }
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149 }
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150
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151 private void bbb() throws Exception {
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152 HgRepository repo = new HgLookup().detectFromWorkingDir();
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153 final String fname = "src/org/tmatesoft/hg/repo/HgManifest.java";
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154 final int checkChangeset = 415;
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155 HgDataFile df = repo.getFileNode(fname);
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156 AnnotateFacility af = new AnnotateFacility();
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157 DiffOutInspector dump = new DiffOutInspector(System.out);
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158 System.out.println("413 -> 415");
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159 af.diff(df, 413, 415, dump);
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160 System.out.println("408 -> 415");
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161 af.diff(df, 408, 415, dump);
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162 System.out.println("Combined (with merge):");
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163 dump.needRevisions(true);
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164 af.annotateChange(df, checkChangeset, dump);
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165 }
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166
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167 private void leftovers() throws Exception {
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168 IntMap<String> linesOld = new IntMap<String>(100), linesNew = new IntMap<String>(100);
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169 System.out.println("Changes to old revision:");
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170 for (int i = linesOld.firstKey(), x = linesOld.lastKey(); i < x; i++) {
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171 if (linesOld.containsKey(i)) {
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172 System.out.println(linesOld.get(i));
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173 }
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174 }
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175
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176 System.out.println("Changes in the new revision:");
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177 for (int i = linesNew.firstKey(), x = linesNew.lastKey(); i < x; i++) {
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178 if (linesNew.containsKey(i)) {
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179 System.out.println(linesNew.get(i));
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180 }
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181 }
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182 }
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183
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184 public static void main(String[] args) throws Exception {
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185 // System.out.println(Arrays.equals(new String[0], splitLines("")));
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186 // System.out.println(Arrays.equals(new String[] { "abc" }, splitLines("abc")));
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187 // System.out.println(Arrays.equals(new String[] { "a", "bc" }, splitLines("a\nbc")));
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188 // System.out.println(Arrays.equals(new String[] { "a", "bc" }, splitLines("a\nbc\n")));
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189 new TestBlame().bbb();
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190 }
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191
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192 static class DiffOutInspector implements AnnotateFacility.BlockInspector {
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193 private final PrintStream out;
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194 private boolean dumpRevs;
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195
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196 DiffOutInspector(PrintStream ps) {
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197 out = ps;
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198 }
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199
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200 public void needRevisions(boolean dumpRevs) {
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201 // Note, true makes output incompatible with 'hg diff'
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202 this.dumpRevs = dumpRevs;
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203 }
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204
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205 private void printRevs(Block b) {
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206 if (dumpRevs) {
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207 out.printf("[%3d -> %3d] ", b.originChangesetIndex(), b.targetChangesetIndex());
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208 }
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209 }
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210
545
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211 public void same(EqualBlock block) {
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212 // nothing
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213 }
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214
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215 public void deleted(DeleteBlock block) {
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216 printRevs(block);
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217 out.printf("@@ -%d,%d +%d,0 @@\n", block.firstRemovedLine() + 1, block.totalRemovedLines(), block.removedAt());
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218 // String[] lines = block.removedLines();
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219 // assert lines.length == block.totalRemovedLines();
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220 // for (int i = 0, ln = block.firstRemovedLine(); i < lines.length; i++, ln++) {
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221 // linesOld.put(ln, String.format("%3d:---:%s", ln, lines[i]));
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diff changeset
222 // }
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223 }
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224
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225 public void changed(ChangeBlock block) {
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226 // deleted(block);
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227 // added(block);
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228 printRevs(block);
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229 out.printf("@@ -%d,%d +%d,%d @@\n", block.firstRemovedLine() + 1, block.totalRemovedLines(), block.firstAddedLine() + 1, block.totalAddedLines());
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230 }
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231
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232 public void added(AddBlock block) {
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233 printRevs(block);
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234 out.printf("@@ -%d,0 +%d,%d @@\n", block.insertedAt(), block.firstAddedLine() + 1, block.totalAddedLines());
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235 // String[] addedLines = block.addedLines();
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236 // assert addedLines.length == block.totalAddedLines();
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237 // for (int i = 0, ln = block.firstAddedLine(), x = addedLines.length; i < x; i++, ln++) {
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238 // linesNew.put(ln, String.format("%3d:+++:%s", ln, addedLines[i]));
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239 // }
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240 }
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241 }
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242
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243 public static class LineGrepOutputParser implements OutputParser {
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244
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245 private final Pattern pattern;
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246 private final StringBuilder result = new StringBuilder();
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247
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248 public LineGrepOutputParser(String regexp) {
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249 pattern = Pattern.compile(regexp);
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250 }
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251
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252 public CharSequence result() {
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253 return result;
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254 }
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255
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256 public void parse(CharSequence seq) {
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257 int lineStart = 0, lineEnd = 0;
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258 do {
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259 while (lineEnd < seq.length() && seq.charAt(lineEnd) != '\n') lineEnd++;
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260 if (lineEnd == lineStart) {
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261 continue;
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262 }
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263 CharSequence line = seq.subSequence(lineStart, lineEnd);
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264 if (pattern.matcher(line).matches()) {
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265 result.append(line);
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266 result.append('\n');
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267 }
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268 lineStart = ++lineEnd;
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269 } while (lineStart < seq.length());
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270 }
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271 }
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272
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273 private static class FileAnnotateInspector implements AnnotateFacility.LineInspector {
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274 private int[] lineRevisions;
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275
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276 FileAnnotateInspector() {
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277 }
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278
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279 public void line(int lineNumber, int changesetRevIndex, LineDescriptor ld) {
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280 if (lineRevisions == null) {
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281 lineRevisions = new int [ld.totalLines()];
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282 Arrays.fill(lineRevisions, NO_REVISION);
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283 }
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284 lineRevisions[lineNumber] = changesetRevIndex;
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285 }
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286 }
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287
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288 }