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comparison src/org/tmatesoft/hg/core/HgPullCommand.java @ 660:4fd317a2fecf

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Pull: phase1 get remote changes and add local revisions
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Tue, 09 Jul 2013 21:46:45 +0200
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children 46b56864b483
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658:d10399f80f4e 660:4fd317a2fecf
1 /*
2 * Copyright (c) 2013 TMate Software Ltd
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * For information on how to redistribute this software under
14 * the terms of a license other than GNU General Public License
15 * contact TMate Software at support@hg4j.com
16 */
17 package org.tmatesoft.hg.core;
18
19 import java.util.List;
20
21 import org.tmatesoft.hg.internal.AddRevInspector;
22 import org.tmatesoft.hg.internal.COWTransaction;
23 import org.tmatesoft.hg.internal.Internals;
24 import org.tmatesoft.hg.internal.PhasesHelper;
25 import org.tmatesoft.hg.internal.RepositoryComparator;
26 import org.tmatesoft.hg.internal.RevisionSet;
27 import org.tmatesoft.hg.internal.Transaction;
28 import org.tmatesoft.hg.repo.HgBundle;
29 import org.tmatesoft.hg.repo.HgChangelog;
30 import org.tmatesoft.hg.repo.HgInternals;
31 import org.tmatesoft.hg.repo.HgParentChildMap;
32 import org.tmatesoft.hg.repo.HgRemoteRepository;
33 import org.tmatesoft.hg.repo.HgRepository;
34 import org.tmatesoft.hg.repo.HgRuntimeException;
35 import org.tmatesoft.hg.util.CancelledException;
36 import org.tmatesoft.hg.util.ProgressSupport;
37
38 /**
39 *
40 * @author Artem Tikhomirov
41 * @author TMate Software Ltd.
42 */
43 public class HgPullCommand extends HgAbstractCommand<HgPullCommand> {
44
45 private final HgRepository repo;
46 private HgRemoteRepository remote;
47
48 public HgPullCommand(HgRepository hgRepo) {
49 repo = hgRepo;
50 }
51
52 public HgPullCommand source(HgRemoteRepository hgRemote) {
53 remote = hgRemote;
54 return this;
55 }
56
57 public void execute() throws HgRemoteConnectionException, HgIOException, HgLibraryFailureException, CancelledException {
58 final ProgressSupport progress = getProgressSupport(null);
59 try {
60 progress.start(100);
61 // TODO refactor same code in HgIncomingCommand #getComparator and #getParentHelper
62 final HgChangelog clog = repo.getChangelog();
63 final HgParentChildMap<HgChangelog> parentHelper = new HgParentChildMap<HgChangelog>(clog);
64 parentHelper.init();
65 final RepositoryComparator comparator = new RepositoryComparator(parentHelper, remote);
66 // get incoming revisions
67 comparator.compare(new ProgressSupport.Sub(progress, 50), getCancelSupport(null, true));
68 final List<Nodeid> common = comparator.getCommon();
69 // get bundle with changes from remote
70 HgBundle incoming = remote.getChanges(common);
71 //
72 // add revisions to changelog, manifest, files
73 final Internals implRepo = HgInternals.getImplementationRepo(repo);
74 final AddRevInspector insp;
75 Transaction.Factory trFactory = new COWTransaction.Factory();
76 Transaction tr = trFactory.create(repo);
77 try {
78 incoming.inspectAll(insp = new AddRevInspector(implRepo, tr));
79 tr.commit();
80 } catch (HgRuntimeException ex) {
81 tr.rollback();
82 throw ex;
83 } catch (RuntimeException ex) {
84 tr.rollback();
85 throw ex;
86 }
87 progress.worked(45);
88 RevisionSet added = insp.addedChangesets();
89
90 // get remote phases, update local phases to match that of remote
91 final PhasesHelper phaseHelper = new PhasesHelper(implRepo, parentHelper);
92 if (phaseHelper.isCapableOfPhases()) {
93 RevisionSet rsCommon = new RevisionSet(common);
94 HgRemoteRepository.Phases remotePhases = remote.getPhases();
95 if (remotePhases.isPublishingServer()) {
96 final RevisionSet knownPublic = rsCommon.union(added);
97 RevisionSet newDraft = phaseHelper.allDraft().subtract(knownPublic);
98 RevisionSet newSecret = phaseHelper.allSecret().subtract(knownPublic);
99 phaseHelper.updateRoots(newDraft.asList(), newSecret.asList());
100 } else {
101 // FIXME refactor reuse from HgPushCommand
102 }
103 }
104 progress.worked(5);
105 } catch (HgRuntimeException ex) {
106 throw new HgLibraryFailureException(ex);
107 } finally {
108 progress.done();
109 }
110 }
111 }