Mercurial > jhg

annotate src/org/tmatesoft/hg/internal/RevlogStreamWriter.java @ 538:dd4f6311af52

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Commit: first working version
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Tue, 05 Feb 2013 22:30:21 +0100
parents 243202f1bda5
children 9edfd5a223b8
rev   line source
530
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1 /*
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
2 * Copyright (c) 2013 TMate Software Ltd
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
3 *
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
4 * This program is free software; you can redistribute it and/or modify
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
5 * it under the terms of the GNU General Public License as published by
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
6 * the Free Software Foundation; version 2 of the License.
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
7 *
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
8 * This program is distributed in the hope that it will be useful,
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
11 * GNU General Public License for more details.
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
12 *
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
13 * For information on how to redistribute this software under
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
14 * the terms of a license other than GNU General Public License
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
15 * contact TMate Software at support@hg4j.com
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
16 */
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
17 package org.tmatesoft.hg.internal;
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
18
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
19 import static org.tmatesoft.hg.internal.Internals.REVLOGV1_RECORD_SIZE;
534
243202f1bda5 Commit: refactor revision creation code from clone command to work separately, fit into existing library structure
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 533
diff changeset
20 import static org.tmatesoft.hg.repo.HgRepository.NO_REVISION;
530
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
21
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
22 import java.io.IOException;
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
23 import java.nio.ByteBuffer;
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
24
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
25 import org.tmatesoft.hg.core.Nodeid;
534
243202f1bda5 Commit: refactor revision creation code from clone command to work separately, fit into existing library structure
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 533
diff changeset
26 import org.tmatesoft.hg.core.SessionContext;
243202f1bda5 Commit: refactor revision creation code from clone command to work separately, fit into existing library structure
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 533
diff changeset
27 import org.tmatesoft.hg.repo.HgInvalidControlFileException;
243202f1bda5 Commit: refactor revision creation code from clone command to work separately, fit into existing library structure
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 533
diff changeset
28 import org.tmatesoft.hg.repo.HgInvalidStateException;
530
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
29
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
30 /**
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
31 *
534
243202f1bda5 Commit: refactor revision creation code from clone command to work separately, fit into existing library structure
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 533
diff changeset
32 * TODO separate operation to check if index is too big and split into index+data
532
688c1ab113bb Introduce explicit reference to base patch in bundle's group element, use it when cloning to fix defect when few revisions list null,null parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 530
diff changeset
33 *
530
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
34 * @author Artem Tikhomirov
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
35 * @author TMate Software Ltd.
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
36 */
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
37 public class RevlogStreamWriter {
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
38
538
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
39 private final DigestHelper dh = new DigestHelper();
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
40 private final RevlogCompressor revlogDataZip;
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
41 private int lastEntryBase, lastEntryIndex;
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
42 private byte[] lastEntryContent;
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
43 private Nodeid lastEntryRevision;
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
44 private IntMap<Nodeid> revisionCache = new IntMap<Nodeid>(32);
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
45 private RevlogStream revlogStream;
530
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
46
538
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
47 public RevlogStreamWriter(SessionContext ctx, RevlogStream stream) {
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
48 assert ctx != null;
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
49 assert stream != null;
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
50
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
51 revlogDataZip = new RevlogCompressor(ctx);
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
52 revlogStream = stream;
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
53 }
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
54
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
55 /**
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
56 * @return nodeid of added revision
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
57 */
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
58 public Nodeid addRevision(byte[] content, int linkRevision, int p1, int p2) {
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
59 lastEntryRevision = Nodeid.NULL;
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
60 int revCount = revlogStream.revisionCount();
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
61 lastEntryIndex = revCount == 0 ? NO_REVISION : revCount - 1;
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
62 populateLastEntry();
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
63 //
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
64 PatchGenerator pg = new PatchGenerator();
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
65 Patch patch = pg.delta(lastEntryContent, content);
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
66 int patchSerializedLength = patch.serializedLength();
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
67
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
68 final boolean writeComplete = preferCompleteOverPatch(patchSerializedLength, content.length);
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
69 DataSerializer.DataSource dataSource = writeComplete ? new DataSerializer.ByteArrayDataSource(content) : patch.new PatchDataSource();
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
70 revlogDataZip.reset(dataSource);
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
71 final int compressedLen;
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
72 final boolean useCompressedData = preferCompressedOverComplete(revlogDataZip.getCompressedLength(), dataSource.serializeLength());
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
73 if (useCompressedData) {
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
74 compressedLen= revlogDataZip.getCompressedLength();
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
75 } else {
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
76 // compression wasn't too effective,
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
77 compressedLen = dataSource.serializeLength() + 1 /*1 byte for 'u' - uncompressed prefix byte*/;
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
78 }
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
79 //
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
80 Nodeid p1Rev = revision(p1);
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
81 Nodeid p2Rev = revision(p2);
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
82 byte[] revisionNodeidBytes = dh.sha1(p1Rev, p2Rev, content).asBinary();
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
83 //
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
84
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
85 DataSerializer indexFile, dataFile, activeFile;
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
86 indexFile = dataFile = activeFile = null;
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
87 try {
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
88 //
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
89 activeFile = indexFile = revlogStream.getIndexStreamWriter();
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
90 final boolean isInlineData = revlogStream.isInlineData();
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
91 HeaderWriter revlogHeader = new HeaderWriter(isInlineData);
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
92 revlogHeader.length(content.length, compressedLen);
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
93 revlogHeader.nodeid(revisionNodeidBytes);
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
94 revlogHeader.linkRevision(linkRevision);
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
95 revlogHeader.parents(p1, p2);
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
96 revlogHeader.baseRevision(writeComplete ? lastEntryIndex+1 : lastEntryBase);
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
97 revlogHeader.offset(revlogStream.newEntryOffset());
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
98 //
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
99 revlogHeader.serialize(indexFile);
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
100
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
101 if (isInlineData) {
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
102 dataFile = indexFile;
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
103 } else {
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
104 dataFile = revlogStream.getDataStreamWriter();
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
105 }
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
106 activeFile = dataFile;
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
107 if (useCompressedData) {
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
108 int actualCompressedLenWritten = revlogDataZip.writeCompressedData(dataFile);
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
109 if (actualCompressedLenWritten != compressedLen) {
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
110 throw new HgInvalidStateException(String.format("Expected %d bytes of compressed data, but actually wrote %d in %s", compressedLen, actualCompressedLenWritten, revlogStream.getDataFileName()));
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
111 }
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
112 } else {
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
113 dataFile.writeByte((byte) 'u');
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
114 dataSource.serialize(dataFile);
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
115 }
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
116
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
117 lastEntryContent = content;
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
118 lastEntryBase = revlogHeader.baseRevision();
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
119 lastEntryIndex++;
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
120 lastEntryRevision = Nodeid.fromBinary(revisionNodeidBytes, 0);
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
121 revisionCache.put(lastEntryIndex, lastEntryRevision);
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
122 } catch (IOException ex) {
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
123 String m = String.format("Failed to write revision %d", lastEntryIndex+1, null);
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
124 HgInvalidControlFileException t = new HgInvalidControlFileException(m, ex, null);
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
125 if (activeFile == dataFile) {
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
126 throw revlogStream.initWithDataFile(t);
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
127 } else {
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
128 throw revlogStream.initWithIndexFile(t);
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
129 }
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
130 } finally {
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
131 indexFile.done();
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
132 if (dataFile != null && dataFile != indexFile) {
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
133 dataFile.done();
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
134 }
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
135 }
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
136 return lastEntryRevision;
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
137 }
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
138
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
139 private Nodeid revision(int revisionIndex) {
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
140 if (revisionIndex == NO_REVISION) {
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
141 return Nodeid.NULL;
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
142 }
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
143 Nodeid n = revisionCache.get(revisionIndex);
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
144 if (n == null) {
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
145 n = Nodeid.fromBinary(revlogStream.nodeid(revisionIndex), 0);
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
146 revisionCache.put(revisionIndex, n);
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
147 }
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
148 return n;
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
149 }
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
150
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
151 private void populateLastEntry() throws HgInvalidControlFileException {
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
152 if (lastEntryIndex != NO_REVISION && lastEntryContent == null) {
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
153 assert lastEntryIndex >= 0;
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
154 final IOException[] failure = new IOException[1];
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
155 revlogStream.iterate(lastEntryIndex, lastEntryIndex, true, new RevlogStream.Inspector() {
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
156
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
157 public void next(int revisionIndex, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess data) {
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
158 try {
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
159 lastEntryBase = baseRevision;
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
160 lastEntryRevision = Nodeid.fromBinary(nodeid, 0);
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
161 lastEntryContent = data.byteArray();
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
162 } catch (IOException ex) {
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
163 failure[0] = ex;
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
164 }
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
165 }
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
166 });
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
167 if (failure[0] != null) {
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
168 String m = String.format("Failed to get content of most recent revision %d", lastEntryIndex);
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
169 throw revlogStream.initWithDataFile(new HgInvalidControlFileException(m, failure[0], null));
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
170 }
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
171 }
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
172 }
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
173
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
174 public static boolean preferCompleteOverPatch(int patchLength, int fullContentLength) {
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
175 return !decideWorthEffort(patchLength, fullContentLength);
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
176 }
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
177
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
178 public static boolean preferCompressedOverComplete(int compressedLen, int fullContentLength) {
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
179 if (compressedLen <= 0) { // just in case, meaningless otherwise
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
180 return false;
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
181 }
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
182 return decideWorthEffort(compressedLen, fullContentLength);
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
183 }
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
184
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
185 // true if length obtained with effort is worth it
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
186 private static boolean decideWorthEffort(int lengthWithExtraEffort, int lengthWithoutEffort) {
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
187 return lengthWithExtraEffort < (/* 3/4 of original */lengthWithoutEffort - (lengthWithoutEffort >>> 2));
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
188 }
dd4f6311af52 Commit: first working version
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 534
diff changeset
189
534
243202f1bda5 Commit: refactor revision creation code from clone command to work separately, fit into existing library structure
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 533
diff changeset
190 /*XXX public because HgCloneCommand uses it*/
243202f1bda5 Commit: refactor revision creation code from clone command to work separately, fit into existing library structure
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 533
diff changeset
191 public static class HeaderWriter implements DataSerializer.DataSource {
530
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
192 private final ByteBuffer header;
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
193 private final boolean isInline;
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
194 private long offset;
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
195 private int length, compressedLength;
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
196 private int baseRev, linkRev, p1, p2;
534
243202f1bda5 Commit: refactor revision creation code from clone command to work separately, fit into existing library structure
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 533
diff changeset
197 private byte[] nodeid;
530
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
198
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
199 public HeaderWriter(boolean inline) {
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
200 isInline = inline;
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
201 header = ByteBuffer.allocate(REVLOGV1_RECORD_SIZE);
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
202 }
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
203
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
204 public HeaderWriter offset(long offset) {
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
205 this.offset = offset;
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
206 return this;
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
207 }
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
208
532
688c1ab113bb Introduce explicit reference to base patch in bundle's group element, use it when cloning to fix defect when few revisions list null,null parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 530
diff changeset
209 public int baseRevision() {
688c1ab113bb Introduce explicit reference to base patch in bundle's group element, use it when cloning to fix defect when few revisions list null,null parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 530
diff changeset
210 return baseRev;
688c1ab113bb Introduce explicit reference to base patch in bundle's group element, use it when cloning to fix defect when few revisions list null,null parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 530
diff changeset
211 }
688c1ab113bb Introduce explicit reference to base patch in bundle's group element, use it when cloning to fix defect when few revisions list null,null parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 530
diff changeset
212
530
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
213 public HeaderWriter baseRevision(int baseRevision) {
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
214 this.baseRev = baseRevision;
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
215 return this;
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
216 }
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
217
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
218 public HeaderWriter length(int len, int compressedLen) {
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
219 this.length = len;
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
220 this.compressedLength = compressedLen;
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
221 return this;
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
222 }
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
223
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
224 public HeaderWriter parents(int parent1, int parent2) {
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
225 p1 = parent1;
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
226 p2 = parent2;
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
227 return this;
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
228 }
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
229
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
230 public HeaderWriter linkRevision(int linkRevision) {
534
243202f1bda5 Commit: refactor revision creation code from clone command to work separately, fit into existing library structure
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 533
diff changeset
231 linkRev = linkRevision;
530
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
232 return this;
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
233 }
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
234
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
235 public HeaderWriter nodeid(Nodeid n) {
534
243202f1bda5 Commit: refactor revision creation code from clone command to work separately, fit into existing library structure
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 533
diff changeset
236 nodeid = n.toByteArray();
530
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
237 return this;
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
238 }
534
243202f1bda5 Commit: refactor revision creation code from clone command to work separately, fit into existing library structure
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 533
diff changeset
239
243202f1bda5 Commit: refactor revision creation code from clone command to work separately, fit into existing library structure
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 533
diff changeset
240 public HeaderWriter nodeid(byte[] nodeidBytes) {
243202f1bda5 Commit: refactor revision creation code from clone command to work separately, fit into existing library structure
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 533
diff changeset
241 nodeid = nodeidBytes;
243202f1bda5 Commit: refactor revision creation code from clone command to work separately, fit into existing library structure
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 533
diff changeset
242 return this;
243202f1bda5 Commit: refactor revision creation code from clone command to work separately, fit into existing library structure
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 533
diff changeset
243 }
243202f1bda5 Commit: refactor revision creation code from clone command to work separately, fit into existing library structure
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 533
diff changeset
244
243202f1bda5 Commit: refactor revision creation code from clone command to work separately, fit into existing library structure
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 533
diff changeset
245 public void serialize(DataSerializer out) throws IOException {
530
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
246 header.clear();
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
247 if (offset == 0) {
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
248 int version = 1 /* RevlogNG */;
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
249 if (isInline) {
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
250 final int INLINEDATA = 1 << 16; // FIXME extract constant
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
251 version |= INLINEDATA;
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
252 }
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
253 header.putInt(version);
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
254 header.putInt(0);
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
255 } else {
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
256 header.putLong(offset << 16);
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
257 }
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
258 header.putInt(compressedLength);
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
259 header.putInt(length);
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
260 header.putInt(baseRev);
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
261 header.putInt(linkRev);
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
262 header.putInt(p1);
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
263 header.putInt(p2);
534
243202f1bda5 Commit: refactor revision creation code from clone command to work separately, fit into existing library structure
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 533
diff changeset
264 header.put(nodeid);
530
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
265 // assume 12 bytes left are zeros
534
243202f1bda5 Commit: refactor revision creation code from clone command to work separately, fit into existing library structure
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 533
diff changeset
266 out.write(header.array(), 0, header.capacity());
530
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
267
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
268 // regardless whether it's inline or separate data,
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
269 // offset field always represent cumulative compressedLength
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
270 // (while offset in the index file with inline==true differs by n*sizeof(header), where n is entry's position in the file)
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
271 offset += compressedLength;
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
272 }
534
243202f1bda5 Commit: refactor revision creation code from clone command to work separately, fit into existing library structure
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 533
diff changeset
273
243202f1bda5 Commit: refactor revision creation code from clone command to work separately, fit into existing library structure
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 533
diff changeset
274 public int serializeLength() {
243202f1bda5 Commit: refactor revision creation code from clone command to work separately, fit into existing library structure
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 533
diff changeset
275 return header.capacity();
243202f1bda5 Commit: refactor revision creation code from clone command to work separately, fit into existing library structure
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 533
diff changeset
276 }
243202f1bda5 Commit: refactor revision creation code from clone command to work separately, fit into existing library structure
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 533
diff changeset
277 }
530
0f6fa88e2162 Towards commit command: refactor clone, extract pieces to reuse. Describe a defect discovered when bundle has few patches with 0,0 parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
278 }