Mercurial > jhg
annotate src/org/tmatesoft/hg/repo/HgInternals.java @ 519:934037edbea0
Few toString() implementations to ease debug
author | Artem Tikhomirov <tikhomirov.artem@gmail.com> |
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date | Thu, 20 Dec 2012 20:21:59 +0100 |
parents | ba36f66c32b4 |
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1 /* |
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2 * Copyright (c) 2011-2012 TMate Software Ltd |
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3 * |
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4 * This program is free software; you can redistribute it and/or modify |
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5 * it under the terms of the GNU General Public License as published by |
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6 * the Free Software Foundation; version 2 of the License. |
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7 * |
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8 * This program is distributed in the hope that it will be useful, |
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9 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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11 * GNU General Public License for more details. |
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12 * |
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13 * For information on how to redistribute this software under |
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14 * the terms of a license other than GNU General Public License |
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15 * contact TMate Software at support@hg4j.com |
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16 */ |
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17 package org.tmatesoft.hg.repo; |
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18 |
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19 import static org.tmatesoft.hg.repo.HgRepository.*; |
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20 |
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21 import java.io.BufferedReader; |
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22 import java.io.File; |
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23 import java.io.IOException; |
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24 import java.io.Reader; |
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25 import java.net.InetAddress; |
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26 import java.net.UnknownHostException; |
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27 |
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28 import org.tmatesoft.hg.core.Nodeid; |
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29 import org.tmatesoft.hg.internal.Experimental; |
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30 import org.tmatesoft.hg.internal.Internals; |
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31 import org.tmatesoft.hg.internal.RelativePathRewrite; |
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32 import org.tmatesoft.hg.internal.WinToNixPathRewrite; |
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33 import org.tmatesoft.hg.repo.HgSubrepoLocation.Kind; |
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34 import org.tmatesoft.hg.util.FileIterator; |
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35 import org.tmatesoft.hg.util.FileWalker; |
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36 import org.tmatesoft.hg.util.Path; |
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37 import org.tmatesoft.hg.util.PathRewrite; |
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38 |
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39 |
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40 /** |
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41 * DO NOT USE THIS CLASS, INTENDED FOR TESTING PURPOSES. |
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42 * |
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43 * <p>This class is not part of the public API and may change or vanish any moment. |
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44 * |
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45 * <p>This class gives access to repository internals, and holds methods that I'm not confident have to be widely accessible |
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46 * Debug helper, to access otherwise restricted (package-local) methods |
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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 @Experimental(reason="Perhaps, shall split methods with debug purpose from methods that are experimental API") |
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52 public class HgInternals { |
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53 |
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54 private final HgRepository repo; |
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55 |
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56 public HgInternals(HgRepository hgRepo) { |
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57 repo = hgRepo; |
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58 } |
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59 |
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60 public HgDirstate getDirstate() throws HgInvalidControlFileException { |
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61 return repo.loadDirstate(new Path.SimpleSource()); |
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62 } |
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63 |
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64 // tests |
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65 public HgDirstate createDirstate(boolean caseSensitiveFileSystem) throws HgInvalidControlFileException { |
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66 PathRewrite canonicalPath = null; |
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67 if (!caseSensitiveFileSystem) { |
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68 canonicalPath = new PathRewrite() { |
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69 |
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70 public CharSequence rewrite(CharSequence path) { |
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71 return path.toString().toLowerCase(); |
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72 } |
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73 }; |
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74 } |
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75 HgDirstate ds = new HgDirstate(repo.getImplHelper(), new Path.SimpleSource(), canonicalPath); |
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76 ds.read(); |
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77 return ds; |
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78 } |
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79 |
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80 public Path[] checkKnown(HgDirstate dirstate, Path[] toCheck) { |
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81 Path[] rv = new Path[toCheck.length]; |
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82 for (int i = 0; i < toCheck.length; i++) { |
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83 rv[i] = dirstate.known(toCheck[i]); |
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84 } |
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85 return rv; |
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86 } |
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87 |
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88 public HgSubrepoLocation newSubrepo(Path loc, String src, Kind kind, Nodeid rev) { |
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89 return new HgSubrepoLocation(repo, loc, src, kind, rev); |
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90 } |
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91 |
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92 public static Internals getImplementationRepo(HgRepository hgRepo) { |
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93 return hgRepo.getImplHelper(); |
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94 } |
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95 |
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96 /** |
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97 * @param source where to read definitions from |
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98 * @param globPathRewrite <code>null</code> to use default, or pass an instance to override defaults |
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99 * @return |
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100 * @throws IOException |
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101 */ |
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102 public static HgIgnore newHgIgnore(Reader source, PathRewrite globPathRewrite) throws IOException { |
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103 if (globPathRewrite == null) { |
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104 // shall match that of HgRepository#getIgnore() (Internals#buildNormalizePathRewrite()) |
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105 if (Internals.runningOnWindows()) { |
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106 globPathRewrite = new WinToNixPathRewrite(); |
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107 } else { |
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108 globPathRewrite = new PathRewrite.Empty(); |
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109 } |
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110 } |
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111 HgIgnore hgIgnore = new HgIgnore(globPathRewrite); |
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112 BufferedReader br = source instanceof BufferedReader ? (BufferedReader) source : new BufferedReader(source); |
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113 hgIgnore.read(br); |
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114 br.close(); |
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115 return hgIgnore; |
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116 } |
128
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117 |
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118 // in fact, need a setter for this anyway, shall move to internal.Internals perhaps? |
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119 public String getNextCommitUsername() { |
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120 String hgUser = System.getenv("HGUSER"); |
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121 if (hgUser != null && hgUser.trim().length() > 0) { |
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122 return hgUser.trim(); |
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123 } |
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124 String configValue = repo.getConfiguration().getStringValue("ui", "username", null); |
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125 if (configValue != null) { |
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126 return configValue; |
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127 } |
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128 String email = System.getenv("EMAIL"); |
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129 if (email != null && email.trim().length() > 0) { |
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130 return email; |
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131 } |
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132 String username = System.getProperty("user.name"); |
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133 try { |
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134 String hostname = InetAddress.getLocalHost().getHostName(); |
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135 return username + '@' + hostname; |
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136 } catch (UnknownHostException ex) { |
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137 return username; |
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138 } |
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139 } |
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140 |
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141 /*package-local*/ FileIterator createWorkingDirWalker(Path.Matcher workindDirScope) { |
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142 File repoRoot = repo.getWorkingDir(); |
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143 Path.Source pathSrc = new Path.SimpleSource(new PathRewrite.Composite(new RelativePathRewrite(repoRoot), repo.getToRepoPathHelper())); |
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144 // Impl note: simple source is enough as files in the working dir are all unique |
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145 // even if they might get reused (i.e. after FileIterator#reset() and walking once again), |
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146 // path caching is better to be done in the code which knows that path are being reused |
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147 return new FileWalker(repo.getSessionContext(), repoRoot, pathSrc, workindDirScope); |
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148 } |
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149 |
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150 // Convenient check of revision index for validity (not all negative values are wrong as long as we use negative constants) |
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151 public static boolean wrongRevisionIndex(int rev) { |
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152 // TODO Another method to check,throw and expand TIP at once (check[Revision|Revlog]Index() |
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153 return rev < 0 && rev != TIP && rev != WORKING_COPY && rev != BAD_REVISION && rev != NO_REVISION; |
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154 } |
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155 |
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156 // throws HgInvalidRevisionException or IllegalArgumentException if [start..end] range is not a subrange of [0..lastRevision] |
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157 public static void checkRevlogRange(int start, int end, int lastRevision) throws HgInvalidRevisionException { |
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158 if (start < 0 || start > lastRevision) { |
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159 final String m = String.format("Bad left range boundary %d in [0..%d]", start, lastRevision); |
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160 throw new HgInvalidRevisionException(m, null, start).setRevisionIndex(start, 0, lastRevision); |
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161 } |
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162 if (end < 0 || end > lastRevision) { |
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163 final String m = String.format("Bad right range boundary %d in [0..%d]", end, lastRevision); |
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164 throw new HgInvalidRevisionException(m, null, end).setRevisionIndex(end, 0, lastRevision); |
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165 } |
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166 if (end < start) { |
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167 throw new IllegalArgumentException(String.format("Bad range [%d..%d]", start, end)); |
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168 } |
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169 } |
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170 } |