Mercurial > hg4j
annotate cmdline/org/tmatesoft/hg/console/Log.java @ 215:41a778e3fd31
Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
author | Artem Tikhomirov <tikhomirov.artem@gmail.com> |
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date | Tue, 17 May 2011 00:56:54 +0200 |
parents | 63c9fed4369e |
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1 /* |
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2 * Copyright (c) 2010-2011 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.console; |
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18 |
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19 import java.util.List; |
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20 |
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21 import org.tmatesoft.hg.core.HgLogCommand; |
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22 import org.tmatesoft.hg.core.HgLogCommand.FileRevision; |
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23 import org.tmatesoft.hg.repo.HgDataFile; |
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24 import org.tmatesoft.hg.repo.HgRepository; |
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25 import org.tmatesoft.hg.util.CancelSupport; |
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26 import org.tmatesoft.hg.util.ProgressSupport; |
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27 |
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28 |
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29 /** |
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30 * @author Artem Tikhomirov |
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31 * @author TMate Software Ltd. |
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32 */ |
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33 public class Log { |
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34 |
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35 // -agentlib:hprof=heap=sites,depth=10,etc might be handy to debug speed/memory issues |
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36 |
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37 public static void main(String[] args) throws Exception { |
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38 Options cmdLineOpts = Options.parse(args); |
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39 HgRepository hgRepo = cmdLineOpts.findRepository(); |
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40 if (hgRepo.isInvalid()) { |
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41 System.err.printf("Can't find repository in: %s\n", hgRepo.getLocation()); |
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42 return; |
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43 } |
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44 // |
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45 // in fact, neither cancel nor progress of any use, need them just to check comamnd API |
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46 final CancelSupport noCancel = CancelSupport.Factory.get(null); |
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47 final ProgressSupport noProgress = ProgressSupport.Factory.get(null); |
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48 // |
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49 final Dump dump = new Dump(hgRepo); |
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50 dump.complete(cmdLineOpts.getBoolean("--debug")); |
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51 dump.verbose(cmdLineOpts.getBoolean("-v", "--verbose")); |
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52 final boolean reverseOrder = true; |
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53 dump.reversed(reverseOrder); |
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54 HgLogCommand cmd = new HgLogCommand(hgRepo); |
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55 for (String u : cmdLineOpts.getList("-u", "--user")) { |
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56 cmd.user(u); |
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57 } |
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58 for (String b : cmdLineOpts.getList("-b", "--branches")) { |
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59 cmd.branch(b); |
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60 } |
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61 int limit = cmdLineOpts.getSingleInt(-1, "-l", "--limit"); |
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62 if (limit != -1) { |
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63 cmd.limit(limit); |
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64 } |
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65 cmd.set(noCancel).set(noProgress); |
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66 List<String> files = cmdLineOpts.getList(""); |
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67 final long start = System.currentTimeMillis(); |
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68 if (files.isEmpty()) { |
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69 if (limit == -1) { |
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70 // no revisions and no limit |
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71 cmd.execute(dump); |
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72 } else { |
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73 // in fact, external (to dump inspector) --limit processing yelds incorrect results when other args |
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74 // e.g. -u or -b are used (i.e. with -u shall give <limit> csets with user, not check last <limit> csets for user |
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75 int[] r = new int[] { 0, hgRepo.getChangelog().getRevisionCount() }; |
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76 if (fixRange(r, reverseOrder, limit) == 0) { |
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77 System.out.println("No changes"); |
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78 return; |
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79 } |
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80 cmd.range(r[0], r[1]).execute(dump); |
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81 } |
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82 dump.done(); |
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83 } else { |
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84 for (String fname : files) { |
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85 HgDataFile f1 = hgRepo.getFileNode(fname); |
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86 System.out.println("History of the file: " + f1.getPath()); |
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87 if (limit == -1) { |
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88 cmd.file(f1.getPath(), true).execute(dump); |
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89 } else { |
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90 int[] r = new int[] { 0, f1.getRevisionCount() }; |
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91 if (fixRange(r, reverseOrder, limit) == 0) { |
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92 System.out.println("No changes"); |
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93 continue; |
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94 } |
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95 cmd.range(r[0], r[1]).file(f1.getPath(), true).execute(dump); |
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96 } |
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97 dump.done(); |
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98 } |
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99 } |
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100 // cmd = null; |
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101 System.out.println("Total time:" + (System.currentTimeMillis() - start)); |
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102 // Main.force_gc(); |
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103 } |
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104 |
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105 private static int fixRange(int[] start_end, boolean reverse, int limit) { |
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106 assert start_end.length == 2; |
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107 if (limit < start_end[1]) { |
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108 if (reverse) { |
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109 // adjust left boundary of the range |
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110 start_end[0] = start_end[1] - limit; |
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111 } else { |
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112 start_end[1] = limit; // adjust right boundary |
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113 } |
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114 } |
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115 int rv = start_end[1] - start_end[0]; |
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116 start_end[1]--; // range needs index, not length |
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117 return rv; |
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118 } |
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119 |
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120 private static final class Dump extends ChangesetDumpHandler implements HgLogCommand.FileHistoryHandler { |
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121 |
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122 public Dump(HgRepository hgRepo) { |
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123 super(hgRepo); |
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124 } |
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125 |
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126 public void copy(FileRevision from, FileRevision to) { |
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127 System.out.printf("Got notified that %s(%s) was originally known as %s(%s)\n", to.getPath(), to.getRevision(), from.getPath(), from.getRevision()); |
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128 } |
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129 } |
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130 } |