Mercurial > jhg

annotate cmdline/org/tmatesoft/hg/console/Bundle.java @ 198:33a7d76f067b

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Performance optimization: reduce memory to keep revlog cached info
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Wed, 20 Apr 2011 05:40:14 +0200
parents 9b99d27aeddc
children 45dc79e545f5
rev   line source
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1 /*
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2 * Copyright (c) 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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a3a2e5deb320 Updated contact address to support@hg4j.com
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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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19 import java.io.File;
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20
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21 import org.tmatesoft.hg.core.Nodeid;
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22 import org.tmatesoft.hg.repo.HgBundle;
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23 import org.tmatesoft.hg.repo.HgChangelog;
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24 import org.tmatesoft.hg.repo.HgLookup;
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25 import org.tmatesoft.hg.repo.HgRepository;
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26 import org.tmatesoft.hg.repo.HgChangelog.RawChangeset;
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29 /**
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30 * WORK IN PROGRESS, DO NOT USE
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31 *
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32 * @author Artem Tikhomirov
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33 * @author TMate Software Ltd.
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34 */
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35 public class Bundle {
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36 public static void main(String[] args) throws Exception {
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37 Options cmdLineOpts = Options.parse(args);
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38 final HgRepository hgRepo = cmdLineOpts.findRepository();
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39 if (hgRepo.isInvalid()) {
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40 System.err.printf("Can't find repository in: %s\n", hgRepo.getLocation());
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41 return;
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42 }
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43 File bundleFile = new File("/temp/hg/hg-bundle-cpython.tmp");
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44 HgBundle hgBundle = new HgLookup().loadBundle(bundleFile);
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45 hgBundle.inspectFiles(new HgBundle.Dump());
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46 if (Boolean.parseBoolean("true")) {
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47 return;
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48 }
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49 /* pass -R <path-to-repo-with-less-revisions-than-bundle>, e.g. for bundle with tip=168 and -R \temp\hg4j-50 with tip:159
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50 +Changeset {User: ..., Comment: Integer ....}
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51 +Changeset {User: ..., Comment: Approach with ...}
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52 -Changeset {User: ..., Comment: Correct project name...}
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53 -Changeset {User: ..., Comment: Record possible...}
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54 */
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55 hgBundle.changes(hgRepo, new HgChangelog.Inspector() {
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56 private final HgChangelog changelog = hgRepo.getChangelog();
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57
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58 public void next(int revisionNumber, Nodeid nodeid, RawChangeset cset) {
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59 if (changelog.isKnown(nodeid)) {
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60 System.out.print("+");
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61 } else {
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62 System.out.print("-");
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63 }
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64 System.out.printf("%d:%s\n%s\n", revisionNumber, nodeid.shortNotation(), cset.toString());
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65 }
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66 });
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67 }
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69 /*
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70 * TODO EXPLAIN why DataAccess.java on merge from branch has P2 set, and P1 is NULL
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71 *
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72 * excerpt from dump('hg-bundle-00') output (node, p1, p2, cs):
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73 src/org/tmatesoft/hg/internal/DataAccess.java
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74 186af94a2a7ddb34190e63ce556d0fa4dd24add2 0000000000000000000000000000000000000000 0000000000000000000000000000000000000000 6f1b88693d48422e98c3eaaa8428ffd4d4d98ca7; patches:1
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75 be8d0fdc4ff268bf5eb0a9120282ce6e63de1606 186af94a2a7ddb34190e63ce556d0fa4dd24add2 0000000000000000000000000000000000000000 a3a2e5deb320d7412ccbb59bdc44668d445bc4c4; patches:2
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76 333d7bbd4a80a5d6fb4b44e54e39e290f50dc7f8 be8d0fdc4ff268bf5eb0a9120282ce6e63de1606 0000000000000000000000000000000000000000 e93101b97e4ab0a3f3402ec0e80b6e559237c7c8; patches:1
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77 56e4523cb8b42630daf70511d73d29e0b375dfa5 0000000000000000000000000000000000000000 333d7bbd4a80a5d6fb4b44e54e39e290f50dc7f8 d5268ca7715b8d96204fc62abc632e8f55761547; patches:6
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78 f85b6d7ed3cc4b7c6f99444eb0a41b58793cc900 56e4523cb8b42630daf70511d73d29e0b375dfa5 0000000000000000000000000000000000000000 b413b16d10a50cc027f4c38e4df5a9fedd618a79; patches:4
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80 RevlogDump for the file says:
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81 Index Offset Flags Packed Actual Base Rev Link Rev Parent1 Parent2 nodeid
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82 0: 4295032832 0 1109 2465 0 74 -1 -1 186af94a2a7ddb34190e63ce556d0fa4dd24add2
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83 1: 1109 0 70 2364 0 102 0 -1 be8d0fdc4ff268bf5eb0a9120282ce6e63de1606
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84 2: 1179 0 63 2365 0 122 1 -1 333d7bbd4a80a5d6fb4b44e54e39e290f50dc7f8
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85 3: 1242 0 801 3765 0 157 -1 2 56e4523cb8b42630daf70511d73d29e0b375dfa5
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86 4: 2043 0 130 3658 0 158 3 -1 f85b6d7ed3cc4b7c6f99444eb0a41b58793cc900
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88 Excerpt from changelog dump:
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89 155: 30541 0 155 195 155 155 154 -1 a4ec5e08701771b96057522188b16ed289e9e8fe
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90 156: 30696 0 154 186 155 156 155 -1 643ddec3be36246fc052cf22ece503fa60cafe22
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91 157: 30850 0 478 1422 155 157 156 53 d5268ca7715b8d96204fc62abc632e8f55761547
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92 158: 31328 0 247 665 155 158 157 -1 b413b16d10a50cc027f4c38e4df5a9fedd618a79
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95 */
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96 }