Mercurial > jhg

annotate src/com/tmate/hgkit/console/Log.java @ 51:9429c7bd1920 wrap-data-access

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Try DataAccess to reach revision data instead of plain byte arrays
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Sun, 16 Jan 2011 01:20:26 +0100
parents f1db8610da62
children 613c936d74e4
rev   line source
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1 /*
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2 * Copyright (c) 2010, 2011 Artem Tikhomirov
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3 */
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4 package com.tmate.hgkit.console;
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5
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6 import java.util.Formatter;
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7 import java.util.LinkedHashSet;
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8 import java.util.LinkedList;
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9 import java.util.List;
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10 import java.util.Map;
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11 import java.util.Set;
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12
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13 import com.tmate.hgkit.fs.RepositoryLookup;
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14 import com.tmate.hgkit.ll.Changeset;
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15 import com.tmate.hgkit.ll.HgDataFile;
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16 import com.tmate.hgkit.ll.HgRepository;
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17 import com.tmate.hgkit.ll.Nodeid;
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18 import com.tmate.hgkit.ll.Revlog;
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20 /**
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21 * @author artem
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22 */
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23 public class Log {
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24
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25 public static void main(String[] args) throws Exception {
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26 RepositoryLookup repoLookup = new RepositoryLookup();
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27 RepositoryLookup.Options cmdLineOpts = RepositoryLookup.Options.parse(args);
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28 HgRepository hgRepo = repoLookup.detect(cmdLineOpts);
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29 if (hgRepo.isInvalid()) {
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30 System.err.printf("Can't find repository in: %s\n", hgRepo.getLocation());
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31 return;
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32 }
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33 System.out.println(hgRepo.getLocation());
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34 final Dump dump = new Dump(hgRepo);
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35 dump.complete = true; //cmdLineOpts;
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36 dump.reverseOrder = true;
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37 dump.branches = cmdLineOpts.branches;
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38 if (cmdLineOpts.users != null) {
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39 dump.users = new LinkedHashSet<String>();
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40 for (String u : cmdLineOpts.users) {
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41 dump.users.add(u.toLowerCase());
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42 }
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43 }
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44 if (cmdLineOpts.files.isEmpty()) {
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45 if (cmdLineOpts.limit == -1) {
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46 // no revisions and no limit
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47 hgRepo.getChangelog().all(dump);
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48 } else {
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49 // in fact, external (to dump inspector) --limit processing yelds incorrect results when other args
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50 // 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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51 int[] r = new int[] { 0, hgRepo.getChangelog().getRevisionCount() };
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52 if (fixRange(r, dump.reverseOrder, cmdLineOpts.limit) == 0) {
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53 System.out.println("No changes");
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54 return;
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55 }
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56 hgRepo.getChangelog().range(r[0], r[1], dump);
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57 }
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58 dump.complete();
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59 } else {
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60 for (String fname : cmdLineOpts.files) {
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61 HgDataFile f1 = hgRepo.getFileNode(fname);
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62 System.out.println("History of the file: " + f1.getPath());
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63 if (cmdLineOpts.limit == -1) {
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64 f1.history(dump);
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65 } else {
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66 int[] r = new int[] { 0, f1.getRevisionCount() };
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67 if (fixRange(r, dump.reverseOrder, cmdLineOpts.limit) == 0) {
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68 System.out.println("No changes");
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69 continue;
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70 }
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71 f1.history(r[0], r[1], dump);
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72 }
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73 dump.complete();
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74 }
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75 }
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76 //
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77 // XXX new ChangelogWalker().setFile("hello.c").setRevisionRange(1, 4).accept(new Visitor);
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78 }
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79
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80 private static int fixRange(int[] start_end, boolean reverse, int limit) {
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81 assert start_end.length == 2;
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82 if (limit < start_end[1]) {
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83 if (reverse) {
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84 // adjust left boundary of the range
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85 start_end[0] = start_end[1] - limit;
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86 } else {
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87 start_end[1] = limit; // adjust right boundary
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88 }
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89 }
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90 int rv = start_end[1] - start_end[0];
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91 start_end[1]--; // range needs index, not length
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92 return rv;
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93 }
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94
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95 // Differences with standard hg log output
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96 // - complete == true (--debug) files are not broke down to modified,+ and -
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97 private static final class Dump implements Changeset.Inspector {
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98 // params
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99 boolean complete = false;
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100 boolean reverseOrder = false;
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101 Set<String> branches;
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102 Set<String> users; // shall be lowercased
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103 // own
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104 private LinkedList<String> l = new LinkedList<String>();
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105 private final HgRepository repo;
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106 private Revlog.ParentWalker changelogWalker;
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107 private final int tip ;
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108
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109 public Dump(HgRepository hgRepo) {
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110 repo = hgRepo;
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111 tip = hgRepo.getChangelog().getRevisionCount() - 1;
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112 }
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113
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114 public void next(int revisionNumber, Nodeid nodeid, Changeset cset) {
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115 if (branches != null && !branches.contains(cset.branch())) {
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116 return;
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117 }
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118 if (users != null) {
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119 String csetUser = cset.user().toLowerCase();
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120 boolean found = false;
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121 for (String u : users) {
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122 if (csetUser.indexOf(u) != -1) {
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123 found = true;
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124 break;
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125 }
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126 }
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127 if (!found) {
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128 return;
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129 }
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130 }
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131 final String s = print(revisionNumber, nodeid, cset);
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132 if (reverseOrder) {
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133 l.addFirst(s);
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134 } else {
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135 System.out.print(s);
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136 }
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137 }
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138
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139 public void complete() {
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140 if (!reverseOrder) {
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141 return;
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142 }
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143 for (String s : l) {
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144 System.out.print(s);
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145 }
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146 l.clear();
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147 changelogWalker = null;
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148 }
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149
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150 private String print(int revNumber, Nodeid csetNodeid, Changeset cset) {
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151 StringBuilder sb = new StringBuilder();
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152 Formatter f = new Formatter(sb);
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153 f.format("changeset: %d:%s\n", revNumber, complete ? csetNodeid : csetNodeid.shortNotation());
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154 if (revNumber == tip || repo.getTags().isTagged(csetNodeid)) {
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155
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156 sb.append("tag: ");
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157 for (String t : repo.getTags().tags(csetNodeid)) {
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158 sb.append(t);
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159 sb.append(' ');
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160 }
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161 if (revNumber == tip) {
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162 sb.append("tip");
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163 }
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164 sb.append('\n');
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165 }
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166 if (complete) {
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167 if (changelogWalker == null) {
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168 changelogWalker = repo.getChangelog().new ParentWalker();
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169 changelogWalker.init();
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170 }
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171 Nodeid p1 = changelogWalker.safeFirstParent(csetNodeid);
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172 Nodeid p2 = changelogWalker.safeSecondParent(csetNodeid);
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173 int p1x = p1 == Nodeid.NULL ? -1 : repo.getChangelog().getLocalRevisionNumber(p1);
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174 int p2x = p2 == Nodeid.NULL ? -1 : repo.getChangelog().getLocalRevisionNumber(p2);
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175 int mx = repo.getManifest().getLocalRevisionNumber(cset.manifest());
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176 f.format("parent: %d:%s\nparent: %d:%s\nmanifest: %d:%s\n", p1x, p1, p2x, p2, mx, cset.manifest());
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177 }
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178 f.format("user: %s\ndate: %s\n", cset.user(), cset.dateString());
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179 if (complete) {
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180 final List<String> files = cset.files();
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181 sb.append("files: ");
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182 for (String s : files) {
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183 sb.append(' ');
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184 sb.append(s);
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185 }
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186 if (cset.extras() != null) {
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187 sb.append("\nextra: ");
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188 for (Map.Entry<String, String> e : cset.extras().entrySet()) {
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189 sb.append(' ');
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190 sb.append(e.getKey());
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191 sb.append('=');
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192 sb.append(e.getValue());
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193 }
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194 }
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195 f.format("\ndescription:\n%s\n\n", cset.comment());
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196 } else {
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197 f.format("summary: %s\n\n", cset.comment());
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198 }
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199 return sb.toString();
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200 }
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201 }
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202 }