Mercurial > hg4j

annotate src/com/tmate/hgkit/console/Log.java @ 52:30bd38978846

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brief explanation of patch record
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Sun, 16 Jan 2011 01:30:18 +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 }