Mercurial > jhg

annotate src/org/tmatesoft/hg/repo/HgMergeState.java @ 422:5d1cc7366d04

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Added tag v0.8.5 for changeset fdd7d756dea0. Point before major exceptions refactoring
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Fri, 23 Mar 2012 21:26:01 +0100
parents ee8264d80747
children 9c9c442b5f2e
rev   line source
231
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1 /*
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 367
diff changeset
2 * Copyright (c) 2011-2012 TMate Software Ltd
231
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
3 *
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
4 * This program is free software; you can redistribute it and/or modify
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
5 * it under the terms of the GNU General Public License as published by
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
6 * the Free Software Foundation; version 2 of the License.
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
7 *
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
8 * This program is distributed in the hope that it will be useful,
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
11 * GNU General Public License for more details.
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
12 *
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
13 * For information on how to redistribute this software under
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
14 * the terms of a license other than GNU General Public License
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
15 * contact TMate Software at support@hg4j.com
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
16 */
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
17 package org.tmatesoft.hg.repo;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
18
270
c6450b0b1fd5 Avoid IAE:nullid when looking into stale merge/state file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 249
diff changeset
19 import static org.tmatesoft.hg.core.Nodeid.NULL;
c6450b0b1fd5 Avoid IAE:nullid when looking into stale merge/state file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 249
diff changeset
20
231
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
21 import java.io.BufferedReader;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
22 import java.io.File;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
23 import java.io.FileReader;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
24 import java.io.IOException;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
25 import java.util.ArrayList;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
26 import java.util.Arrays;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
27 import java.util.Collections;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
28 import java.util.List;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
29
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
30 import org.tmatesoft.hg.core.HgBadStateException;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
31 import org.tmatesoft.hg.core.HgFileRevision;
348
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
32 import org.tmatesoft.hg.core.HgInvalidControlFileException;
231
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
33 import org.tmatesoft.hg.core.Nodeid;
248
3fbfce107f94 Issue 8: Means to find out information about given file at specific changeset. Inner ManifestRevisionInspector got promoted to ManifestRevision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 231
diff changeset
34 import org.tmatesoft.hg.internal.ManifestRevision;
231
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
35 import org.tmatesoft.hg.internal.Pool;
284
7232b94f2ae3 HgDirstate shall operate with Path instead of String for file names. Use of Pair instead of array of unspecified length for parents.
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 270
diff changeset
36 import org.tmatesoft.hg.util.Pair;
231
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
37 import org.tmatesoft.hg.util.Path;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
38 import org.tmatesoft.hg.util.PathPool;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
39 import org.tmatesoft.hg.util.PathRewrite;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
40
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
41 /**
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
42 *
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
43 * @author Artem Tikhomirov
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
44 * @author TMate Software Ltd.
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
45 */
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
46 public class HgMergeState {
270
c6450b0b1fd5 Avoid IAE:nullid when looking into stale merge/state file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 249
diff changeset
47 private Nodeid wcp1, wcp2, stateParent;
231
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
48
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
49 public enum Kind {
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
50 Resolved, Unresolved;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
51 }
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
52
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
53 public static class Entry {
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
54 private final Kind state;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
55 private final HgFileRevision parent1;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
56 private final HgFileRevision parent2;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
57 private final HgFileRevision ancestor;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
58 private final Path wcFile;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
59
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
60 /*package-local*/Entry(Kind s, Path actualCopy, HgFileRevision p1, HgFileRevision p2, HgFileRevision ca) {
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
61 if (p1 == null || p2 == null || ca == null || actualCopy == null) {
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
62 throw new IllegalArgumentException();
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
63 }
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
64 state = s;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
65 wcFile = actualCopy;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
66 parent1 = p1;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
67 parent2 = p2;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
68 ancestor = ca;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
69 }
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
70
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
71 public Kind getState() {
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
72 return state;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
73 }
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
74 public Path getActualFile() {
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
75 return wcFile;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
76 }
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
77 public HgFileRevision getFirstParent() {
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
78 return parent1;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
79 }
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
80 public HgFileRevision getSecondParent() {
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
81 return parent2;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
82 }
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
83 public HgFileRevision getCommonAncestor() {
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
84 return ancestor;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
85 }
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
86 }
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
87
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
88 private final HgRepository repo;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
89 private Entry[] entries;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
90
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
91 HgMergeState(HgRepository hgRepo) {
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
92 repo = hgRepo;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
93 }
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
94
348
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
95 public void refresh() throws HgInvalidControlFileException {
231
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
96 entries = null;
341
75c452fdd76a Merging state not detected when there's no conflicts to resolve (no merge/state file)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 336
diff changeset
97 // it's possible there are two parents but no merge/state, we shall report this case as 'merging', with proper
75c452fdd76a Merging state not detected when there's no conflicts to resolve (no merge/state file)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 336
diff changeset
98 // first and second parent values
75c452fdd76a Merging state not detected when there's no conflicts to resolve (no merge/state file)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 336
diff changeset
99 stateParent = Nodeid.NULL;
75c452fdd76a Merging state not detected when there's no conflicts to resolve (no merge/state file)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 336
diff changeset
100 Pool<Nodeid> nodeidPool = new Pool<Nodeid>();
75c452fdd76a Merging state not detected when there's no conflicts to resolve (no merge/state file)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 336
diff changeset
101 Pool<Path> fnamePool = new Pool<Path>();
75c452fdd76a Merging state not detected when there's no conflicts to resolve (no merge/state file)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 336
diff changeset
102 Pair<Nodeid, Nodeid> wcParents = repo.getWorkingCopyParents();
75c452fdd76a Merging state not detected when there's no conflicts to resolve (no merge/state file)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 336
diff changeset
103 wcp1 = nodeidPool.unify(wcParents.first()); wcp2 = nodeidPool.unify(wcParents.second());
231
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
104 final File f = new File(repo.getRepositoryRoot(), "merge/state");
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
105 if (!f.canRead()) {
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
106 // empty state
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
107 return;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
108 }
348
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
109 try {
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
110 ArrayList<Entry> result = new ArrayList<Entry>();
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
111 // FIXME need to settle use of Pool<Path> and PathPool
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
112 // latter is pool that can create objects on demand, former is just cache
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
113 PathPool pathPool = new PathPool(new PathRewrite.Empty());
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
114 final ManifestRevision m1 = new ManifestRevision(nodeidPool, fnamePool);
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
115 final ManifestRevision m2 = new ManifestRevision(nodeidPool, fnamePool);
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
116 if (!wcp2.isNull()) {
367
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
117 final int rp2 = repo.getChangelog().getRevisionIndex(wcp2);
348
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
118 repo.getManifest().walk(rp2, rp2, m2);
270
c6450b0b1fd5 Avoid IAE:nullid when looking into stale merge/state file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 249
diff changeset
119 }
348
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
120 BufferedReader br = new BufferedReader(new FileReader(f));
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
121 String s = br.readLine();
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
122 stateParent = nodeidPool.unify(Nodeid.fromAscii(s));
367
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
123 final int rp1 = repo.getChangelog().getRevisionIndex(stateParent);
348
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
124 repo.getManifest().walk(rp1, rp1, m1);
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
125 while ((s = br.readLine()) != null) {
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
126 String[] r = s.split("\\00");
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
127 Path p1fname = pathPool.path(r[3]);
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
128 Nodeid nidP1 = m1.nodeid(p1fname);
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
129 Nodeid nidCA = nodeidPool.unify(Nodeid.fromAscii(r[5]));
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 367
diff changeset
130 HgFileRevision p1 = new HgFileRevision(repo, nidP1, m1.flags(p1fname), p1fname);
348
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
131 HgFileRevision ca;
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
132 if (nidCA == nidP1 && r[3].equals(r[4])) {
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
133 ca = p1;
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
134 } else {
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 367
diff changeset
135 ca = new HgFileRevision(repo, nidCA, null, pathPool.path(r[4]));
270
c6450b0b1fd5 Avoid IAE:nullid when looking into stale merge/state file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 249
diff changeset
136 }
348
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
137 HgFileRevision p2;
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
138 if (!wcp2.isNull() || !r[6].equals(r[4])) {
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
139 final Path p2fname = pathPool.path(r[6]);
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
140 Nodeid nidP2 = m2.nodeid(p2fname);
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
141 if (nidP2 == null) {
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
142 assert false : "There's not enough information (or I don't know where to look) in merge/state to find out what's the second parent";
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
143 nidP2 = NULL;
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
144 }
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 367
diff changeset
145 p2 = new HgFileRevision(repo, nidP2, m2.flags(p2fname), p2fname);
348
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
146 } else {
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
147 // no second parent known. no idea what to do here, assume linear merge, use common ancestor as parent
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
148 p2 = ca;
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
149 }
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
150 final Kind k;
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
151 if ("u".equals(r[1])) {
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
152 k = Kind.Unresolved;
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
153 } else if ("r".equals(r[1])) {
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
154 k = Kind.Resolved;
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
155 } else {
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
156 throw new HgBadStateException(r[1]);
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
157 }
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
158 Entry e = new Entry(k, pathPool.path(r[0]), p1, p2, ca);
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
159 result.add(e);
270
c6450b0b1fd5 Avoid IAE:nullid when looking into stale merge/state file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 249
diff changeset
160 }
348
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
161 entries = result.toArray(new Entry[result.size()]);
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
162 br.close();
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
163 pathPool.clear();
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
164 } catch (IOException ex) {
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
165 throw new HgInvalidControlFileException("Merge state read failed", ex, f);
231
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
166 }
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
167 }
270
c6450b0b1fd5 Avoid IAE:nullid when looking into stale merge/state file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 249
diff changeset
168
341
75c452fdd76a Merging state not detected when there's no conflicts to resolve (no merge/state file)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 336
diff changeset
169 /**
75c452fdd76a Merging state not detected when there's no conflicts to resolve (no merge/state file)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 336
diff changeset
170 * Repository is in 'merging' state when changeset to be committed got two parents.
75c452fdd76a Merging state not detected when there's no conflicts to resolve (no merge/state file)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 336
diff changeset
171 * This method doesn't tell whether there are (un)resolved conflicts in the working copy,
75c452fdd76a Merging state not detected when there's no conflicts to resolve (no merge/state file)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 336
diff changeset
172 * use {@link #getConflicts()} (which makes sense only when {@link #isStale()} is <code>false</code>).
75c452fdd76a Merging state not detected when there's no conflicts to resolve (no merge/state file)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 336
diff changeset
173 * @return <code>true</code> when repository is being merged
75c452fdd76a Merging state not detected when there's no conflicts to resolve (no merge/state file)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 336
diff changeset
174 */
270
c6450b0b1fd5 Avoid IAE:nullid when looking into stale merge/state file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 249
diff changeset
175 public boolean isMerging() {
c6450b0b1fd5 Avoid IAE:nullid when looking into stale merge/state file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 249
diff changeset
176 return !getFirstParent().isNull() && !getSecondParent().isNull() && !isStale();
c6450b0b1fd5 Avoid IAE:nullid when looking into stale merge/state file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 249
diff changeset
177 }
c6450b0b1fd5 Avoid IAE:nullid when looking into stale merge/state file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 249
diff changeset
178
c6450b0b1fd5 Avoid IAE:nullid when looking into stale merge/state file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 249
diff changeset
179 /**
341
75c452fdd76a Merging state not detected when there's no conflicts to resolve (no merge/state file)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 336
diff changeset
180 * Merge state file may not match actual working copy due to rollback or undo operations.
75c452fdd76a Merging state not detected when there's no conflicts to resolve (no merge/state file)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 336
diff changeset
181 * Value of {@link #getConflicts()} is reasonable iff this method returned <code>false</code>.
75c452fdd76a Merging state not detected when there's no conflicts to resolve (no merge/state file)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 336
diff changeset
182 *
270
c6450b0b1fd5 Avoid IAE:nullid when looking into stale merge/state file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 249
diff changeset
183 * @return <code>true</code> when recorded merge state doesn't seem to correspond to present working copy
c6450b0b1fd5 Avoid IAE:nullid when looking into stale merge/state file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 249
diff changeset
184 */
c6450b0b1fd5 Avoid IAE:nullid when looking into stale merge/state file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 249
diff changeset
185 public boolean isStale() {
c6450b0b1fd5 Avoid IAE:nullid when looking into stale merge/state file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 249
diff changeset
186 if (wcp1 == null) {
c6450b0b1fd5 Avoid IAE:nullid when looking into stale merge/state file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 249
diff changeset
187 throw new HgBadStateException("Call #refresh() first");
c6450b0b1fd5 Avoid IAE:nullid when looking into stale merge/state file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 249
diff changeset
188 }
341
75c452fdd76a Merging state not detected when there's no conflicts to resolve (no merge/state file)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 336
diff changeset
189 return !stateParent.isNull() /*there's merge state*/ && !wcp1.equals(stateParent) /*and it doesn't match*/;
270
c6450b0b1fd5 Avoid IAE:nullid when looking into stale merge/state file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 249
diff changeset
190 }
336
f74e36b7344b Do not fail with HgBadStateException when there are no merge state
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 285
diff changeset
191
f74e36b7344b Do not fail with HgBadStateException when there are no merge state
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 285
diff changeset
192 /**
341
75c452fdd76a Merging state not detected when there's no conflicts to resolve (no merge/state file)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 336
diff changeset
193 * It's possible for a repository to be in a 'merging' state (@see {@link #isMerging()} without any
75c452fdd76a Merging state not detected when there's no conflicts to resolve (no merge/state file)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 336
diff changeset
194 * conflict to resolve (no merge state information file).
75c452fdd76a Merging state not detected when there's no conflicts to resolve (no merge/state file)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 336
diff changeset
195 * @return first parent of the working copy, never <code>null</code>
336
f74e36b7344b Do not fail with HgBadStateException when there are no merge state
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 285
diff changeset
196 */
231
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
197 public Nodeid getFirstParent() {
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
198 if (wcp1 == null) {
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
199 throw new HgBadStateException("Call #refresh() first");
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
200 }
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
201 return wcp1;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
202 }
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
203
341
75c452fdd76a Merging state not detected when there's no conflicts to resolve (no merge/state file)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 336
diff changeset
204 /**
75c452fdd76a Merging state not detected when there's no conflicts to resolve (no merge/state file)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 336
diff changeset
205 * @return second parent of the working copy, never <code>null</code>
75c452fdd76a Merging state not detected when there's no conflicts to resolve (no merge/state file)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 336
diff changeset
206 */
231
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
207 public Nodeid getSecondParent() {
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
208 if (wcp2 == null) {
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
209 throw new HgBadStateException("Call #refresh() first");
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
210 }
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
211 return wcp2;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
212 }
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
213
336
f74e36b7344b Do not fail with HgBadStateException when there are no merge state
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 285
diff changeset
214 /**
f74e36b7344b Do not fail with HgBadStateException when there are no merge state
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 285
diff changeset
215 * @return revision of the merge state or {@link Nodeid#NULL} if there's no merge state
f74e36b7344b Do not fail with HgBadStateException when there are no merge state
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 285
diff changeset
216 */
270
c6450b0b1fd5 Avoid IAE:nullid when looking into stale merge/state file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 249
diff changeset
217 public Nodeid getStateParent() {
c6450b0b1fd5 Avoid IAE:nullid when looking into stale merge/state file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 249
diff changeset
218 if (stateParent == null) {
c6450b0b1fd5 Avoid IAE:nullid when looking into stale merge/state file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 249
diff changeset
219 throw new HgBadStateException("Call #refresh() first");
c6450b0b1fd5 Avoid IAE:nullid when looking into stale merge/state file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 249
diff changeset
220 }
c6450b0b1fd5 Avoid IAE:nullid when looking into stale merge/state file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 249
diff changeset
221 return stateParent;
c6450b0b1fd5 Avoid IAE:nullid when looking into stale merge/state file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 249
diff changeset
222 }
c6450b0b1fd5 Avoid IAE:nullid when looking into stale merge/state file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 249
diff changeset
223
341
75c452fdd76a Merging state not detected when there's no conflicts to resolve (no merge/state file)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 336
diff changeset
224 /**
75c452fdd76a Merging state not detected when there's no conflicts to resolve (no merge/state file)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 336
diff changeset
225 * List of conflicts as recorded in the merge state information file.
75c452fdd76a Merging state not detected when there's no conflicts to resolve (no merge/state file)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 336
diff changeset
226 * Note, this information is valid unless {@link #isStale()} is <code>true</code>.
75c452fdd76a Merging state not detected when there's no conflicts to resolve (no merge/state file)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 336
diff changeset
227 *
75c452fdd76a Merging state not detected when there's no conflicts to resolve (no merge/state file)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 336
diff changeset
228 * @return non-<code>null</code> list with both resolved and unresolved conflicts.
75c452fdd76a Merging state not detected when there's no conflicts to resolve (no merge/state file)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 336
diff changeset
229 */
231
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
230 public List<Entry> getConflicts() {
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
231 return entries == null ? Collections.<Entry>emptyList() : Arrays.asList(entries);
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
232 }
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
233 }