Mercurial > hg4j

annotate src/org/tmatesoft/hg/repo/HgMergeState.java @ 487:db48a77ec8ff

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Access to reposiotry lock mechanism via HgRepositoryLock
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Mon, 13 Aug 2012 18:11:47 +0200
parents 12f668401613
children b3c16d1aede0
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.HgFileRevision;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
31 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
32 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
33 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
34 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
35 import org.tmatesoft.hg.util.Path;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
36 import org.tmatesoft.hg.util.PathRewrite;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
37
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
38 /**
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
39 * Access to repository's merge state
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
40 *
231
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
41 * @author Artem Tikhomirov
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
42 * @author TMate Software Ltd.
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
43 */
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
44 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
45 private Nodeid wcp1, wcp2, stateParent;
231
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
46
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
47 public enum Kind {
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
48 Resolved, Unresolved;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
49 }
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
50
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
51 public static class Entry {
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
52 private final Kind state;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
53 private final HgFileRevision parent1;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
54 private final HgFileRevision parent2;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
55 private final HgFileRevision ancestor;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
56 private final Path wcFile;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
57
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
58 /*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
59 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
60 throw new IllegalArgumentException();
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
61 }
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
62 state = s;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
63 wcFile = actualCopy;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
64 parent1 = p1;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
65 parent2 = p2;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
66 ancestor = ca;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
67 }
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
68
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
69 public Kind getState() {
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
70 return state;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
71 }
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
72 public Path getActualFile() {
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
73 return wcFile;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
74 }
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
75 public HgFileRevision getFirstParent() {
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
76 return parent1;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
77 }
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
78 public HgFileRevision getSecondParent() {
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
79 return parent2;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
80 }
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
81 public HgFileRevision getCommonAncestor() {
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
82 return ancestor;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
83 }
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
84 }
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 private final HgRepository repo;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
87 private Entry[] entries;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
88
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
89 HgMergeState(HgRepository hgRepo) {
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
90 repo = hgRepo;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
91 }
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
92
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
93 /**
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
94 * Update our knowledge about repository's merge state
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
95 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
96 */
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
97 public void refresh() throws HgRuntimeException {
231
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
98 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
99 // 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
100 // 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
101 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
102 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
103 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
104 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
105 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
106 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
107 if (!f.canRead()) {
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
108 // empty state
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
109 return;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
110 }
348
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
111 try {
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
112 ArrayList<Entry> result = new ArrayList<Entry>();
431
12f668401613 FIXMEs: awkward API refactored, what need to be internal got hidden; public aspects got captured in slim interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 423
diff changeset
113 // pipe (already normalized) names from mergestate through same pool of filenames as use manifest revisions
12f668401613 FIXMEs: awkward API refactored, what need to be internal got hidden; public aspects got captured in slim interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 423
diff changeset
114 Path.Source pathPool = new Path.SimpleSource(new PathRewrite.Empty(), fnamePool);
348
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
115 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
116 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
117 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
118 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
119 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
120 }
348
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
121 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
122 String s = br.readLine();
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
123 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
124 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
125 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
126 while ((s = br.readLine()) != null) {
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
127 String[] r = s.split("\\00");
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
128 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
129 Nodeid nidP1 = m1.nodeid(p1fname);
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
130 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
131 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
132 HgFileRevision ca;
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
133 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
134 ca = p1;
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
135 } 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
136 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
137 }
348
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
138 HgFileRevision p2;
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
139 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
140 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
141 Nodeid nidP2 = m2.nodeid(p2fname);
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
142 if (nidP2 == null) {
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
143 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
144 nidP2 = NULL;
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
145 }
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
146 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
147 } else {
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
148 // 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
149 p2 = ca;
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
150 }
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
151 final Kind k;
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
152 if ("u".equals(r[1])) {
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
153 k = Kind.Unresolved;
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
154 } 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
155 k = Kind.Resolved;
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
156 } else {
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
157 throw new HgInvalidStateException(String.format("Unknown merge kind %s", r[1]));
348
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
158 }
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
159 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
160 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
161 }
348
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 341
diff changeset
162 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
163 br.close();
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) {
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
187 refresh();
270
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).
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
195 *
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
196 * @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
197 */
231
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
198 public Nodeid getFirstParent() {
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
199 if (wcp1 == null) {
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
200 refresh();
231
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
201 }
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
202 return wcp1;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
203 }
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
204
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
205 /**
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 * @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
207 */
231
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
208 public Nodeid getSecondParent() {
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
209 if (wcp2 == null) {
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
210 refresh();
231
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
211 }
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
212 return wcp2;
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
213 }
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
214
336
f74e36b7344b Do not fail with HgBadStateException when there are no merge state
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 285
diff changeset
215 /**
f74e36b7344b Do not fail with HgBadStateException when there are no merge state
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 285
diff changeset
216 * @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
217 */
270
c6450b0b1fd5 Avoid IAE:nullid when looking into stale merge/state file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 249
diff changeset
218 public Nodeid getStateParent() {
c6450b0b1fd5 Avoid IAE:nullid when looking into stale merge/state file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 249
diff changeset
219 if (stateParent == null) {
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
220 refresh();
270
c6450b0b1fd5 Avoid IAE:nullid when looking into stale merge/state file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 249
diff changeset
221 }
c6450b0b1fd5 Avoid IAE:nullid when looking into stale merge/state file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 249
diff changeset
222 return stateParent;
c6450b0b1fd5 Avoid IAE:nullid when looking into stale merge/state file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 249
diff changeset
223 }
c6450b0b1fd5 Avoid IAE:nullid when looking into stale merge/state file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 249
diff changeset
224
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
225 /**
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 * 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
227 * 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
228 *
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 * @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
230 */
231
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
231 public List<Entry> getConflicts() {
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
232 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
233 }
1792b37650f2 Introduced access to conflict resolution information (merge state)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
234 }