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annotate src/org/tmatesoft/hg/repo/HgManifest.java @ 176:a8df7162ec75

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Extracting complete branch using remote between call to detect incoming changes is done. Arguments reorderd in remote repo to better match Hg server ideology, not my mental convenience
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Sat, 02 Apr 2011 03:01:14 +0200
parents d5268ca7715b
children e2115da4cf6a
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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.repo;
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19 import java.io.IOException;
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21 import org.tmatesoft.hg.core.HgBadStateException;
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22 import org.tmatesoft.hg.core.Nodeid;
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23 import org.tmatesoft.hg.internal.DataAccess;
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24 import org.tmatesoft.hg.internal.RevlogStream;
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27 /**
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28 *
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29 * @author Artem Tikhomirov
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30 * @author TMate Software Ltd.
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31 */
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32 public class HgManifest extends Revlog {
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34 /*package-local*/ HgManifest(HgRepository hgRepo, RevlogStream content) {
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35 super(hgRepo, content);
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36 }
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37
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38 public void walk(int start, int end, final Inspector inspector) {
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39 RevlogStream.Inspector insp = new RevlogStream.Inspector() {
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41 private boolean gtg = true; // good to go
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42
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43 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess da) {
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44 if (!gtg) {
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45 return;
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46 }
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47 try {
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48 gtg = gtg && inspector.begin(revisionNumber, new Nodeid(nodeid, true));
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49 int i;
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50 String fname = null;
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51 String flags = null;
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52 Nodeid nid = null;
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53 byte[] data = da.byteArray();
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54 for (i = 0; gtg && i < actualLen; i++) {
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55 int x = i;
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56 for( ; data[i] != '\n' && i < actualLen; i++) {
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57 if (fname == null && data[i] == 0) {
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58 fname = new String(data, x, i - x);
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59 x = i+1;
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60 }
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61 }
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62 if (i < actualLen) {
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63 assert data[i] == '\n';
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64 int nodeidLen = i - x < 40 ? i-x : 40;
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65 nid = Nodeid.fromAscii(data, x, nodeidLen);
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66 if (nodeidLen + x < i) {
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67 // 'x' and 'l' for executable bits and symlinks?
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68 // hg --debug manifest shows 644 for each regular file in my repo
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69 flags = new String(data, x + nodeidLen, i-x-nodeidLen);
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70 }
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71 gtg = gtg && inspector.next(nid, fname, flags);
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72 }
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73 nid = null;
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74 fname = flags = null;
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75 }
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76 gtg = gtg && inspector.end(revisionNumber);
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77 } catch (IOException ex) {
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78 throw new HgBadStateException(ex);
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79 }
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80 }
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81 };
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82 content.iterate(start, end, true, insp);
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83 }
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85 public interface Inspector {
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86 boolean begin(int revision, Nodeid nid);
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87 boolean next(Nodeid nid, String fname, String flags);
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88 boolean end(int revision);
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89 }
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90 }