Mercurial > jhg

annotate src/org/tmatesoft/hg/internal/FileHistory.java @ 670:52af7f62e731

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
AIOOBE in BundleGenerator.ChunkGenerator.iterate when there are no outgoing changes on push
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Fri, 12 Jul 2013 15:27:43 +0200
parents 6526d8adbc0f
children 72fc7774b87e
rev   line source
596
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1 /*
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
2 * Copyright (c) 2013 TMate Software Ltd
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
3 *
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
4 * This program is free software; you can redistribute it and/or modify
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
5 * it under the terms of the GNU General Public License as published by
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
6 * the Free Software Foundation; version 2 of the License.
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
7 *
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
8 * This program is distributed in the hope that it will be useful,
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
11 * GNU General Public License for more details.
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
12 *
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
13 * For information on how to redistribute this software under
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
14 * the terms of a license other than GNU General Public License
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
15 * contact TMate Software at support@hg4j.com
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
16 */
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
17 package org.tmatesoft.hg.internal;
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
18
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
19 import static org.tmatesoft.hg.core.HgIterateDirection.NewToOld;
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
20
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
21 import java.util.Collections;
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
22 import java.util.LinkedList;
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
23
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
24 import org.tmatesoft.hg.core.HgIterateDirection;
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
25 import org.tmatesoft.hg.core.Nodeid;
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
26 import org.tmatesoft.hg.repo.HgDataFile;
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
27 import org.tmatesoft.hg.repo.HgRepository;
628
6526d8adbc0f Explicit HgRuntimeException to facilitate easy switch from runtime to checked exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 624
diff changeset
28 import org.tmatesoft.hg.repo.HgRuntimeException;
596
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
29
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
30 /**
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
31 * History of a file, with copy/renames, and corresponding revision information.
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
32 * Facility for file history iteration.
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
33 *
624
507602cb4fb3 FIXMEs and TODOs: pay some technical debt
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 596
diff changeset
34 * TODO [post-1.1] Utilize in HgLogCommand and anywhere else we need to follow file history
596
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
35 *
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
36 * @author Artem Tikhomirov
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
37 * @author TMate Software Ltd.
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
38 */
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
39 public class FileHistory {
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
40
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
41 private LinkedList<FileRevisionHistoryChunk> fileCompleteHistory = new LinkedList<FileRevisionHistoryChunk>();
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
42 private final HgDataFile df;
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
43 private final int csetTo;
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
44 private final int csetFrom;
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
45
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
46 public FileHistory(HgDataFile file, int fromChangeset, int toChangeset) {
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
47 df = file;
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
48 csetFrom = fromChangeset;
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
49 csetTo = toChangeset;
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
50 }
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
51
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
52 public int getStartChangeset() {
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
53 return csetFrom;
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
54 }
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
55
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
56 public int getEndChangeset() {
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
57 return csetTo;
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
58 }
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
59
628
6526d8adbc0f Explicit HgRuntimeException to facilitate easy switch from runtime to checked exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 624
diff changeset
60 public void build() throws HgRuntimeException {
596
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
61 assert fileCompleteHistory.isEmpty();
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
62 HgDataFile currentFile = df;
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
63 final int changelogRevIndexEnd = csetTo;
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
64 final int changelogRevIndexStart = csetFrom;
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
65 int fileLastClogRevIndex = changelogRevIndexEnd;
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
66 FileRevisionHistoryChunk nextChunk = null;
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
67 fileCompleteHistory.clear(); // just in case, #build() is not expected to be called more than once
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
68 do {
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
69 FileRevisionHistoryChunk fileHistory = new FileRevisionHistoryChunk(currentFile);
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
70 fileHistory.init(fileLastClogRevIndex);
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
71 fileHistory.linkTo(nextChunk);
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
72 fileCompleteHistory.addFirst(fileHistory); // to get the list in old-to-new order
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
73 nextChunk = fileHistory;
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
74 if (fileHistory.changeset(0) > changelogRevIndexStart && currentFile.isCopy()) {
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
75 // fileHistory.changeset(0) is the earliest revision we know about so far,
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
76 // once we get to revisions earlier than the requested start, stop digging.
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
77 // The reason there's NO == (i.e. not >=) because:
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
78 // (easy): once it's equal, we've reached our intended start
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
79 // (hard): if changelogRevIndexStart happens to be exact start of one of renames in the
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
80 // chain of renames (test-annotate2 repository, file1->file1a->file1b, i.e. points
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
81 // to the very start of file1a or file1 history), presence of == would get us to the next
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
82 // chunk and hence changed parents of present chunk's first element. Our annotate alg
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
83 // relies on parents only (i.e. knows nothing about 'last iteration element') to find out
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
84 // what to compare, and hence won't report all lines of 'last iteration element' (which is the
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
85 // first revision of the renamed file) as "added in this revision", leaving gaps in annotate
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
86 HgRepository repo = currentFile.getRepo();
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
87 Nodeid originLastRev = currentFile.getCopySourceRevision();
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
88 currentFile = repo.getFileNode(currentFile.getCopySourceName());
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
89 fileLastClogRevIndex = currentFile.getChangesetRevisionIndex(currentFile.getRevisionIndex(originLastRev));
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
90 // XXX perhaps, shall fail with meaningful exception if new file doesn't exist (.i/.d not found for whatever reason)
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
91 // or source revision is missing?
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
92 } else {
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
93 fileHistory.chopAtChangeset(changelogRevIndexStart);
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
94 currentFile = null; // stop iterating
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
95 }
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
96 } while (currentFile != null && fileLastClogRevIndex > changelogRevIndexStart);
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
97 // fileCompleteHistory is in (origin, intermediate target, ultimate target) order
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
98 }
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
99
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
100 public Iterable<FileRevisionHistoryChunk> iterate(HgIterateDirection order) {
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
101 if (order == NewToOld) {
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
102 return ReverseIterator.reversed(fileCompleteHistory);
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
103 }
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
104 return Collections.unmodifiableList(fileCompleteHistory);
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
105 }
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
106 }