Mercurial > jhg

annotate src/org/tmatesoft/hg/internal/RevlogDump.java @ 278:55fad5e0e98b

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Ensure capacity grows regardless of initial map size. Separate unit test
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Mon, 29 Aug 2011 23:31:37 +0200
parents e9d275fb0bc0
children d45ad07dc94c
rev   line source
22
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 17
diff changeset
1 /*
73
0d279bcc4442 Utility for future troubleshooting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
2 * Copyright (c) 2010-2011 TMate Software Ltd
0d279bcc4442 Utility for future troubleshooting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
3 *
0d279bcc4442 Utility for future troubleshooting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
4 * This program is free software; you can redistribute it and/or modify
0d279bcc4442 Utility for future troubleshooting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
5 * it under the terms of the GNU General Public License as published by
0d279bcc4442 Utility for future troubleshooting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
6 * the Free Software Foundation; version 2 of the License.
0d279bcc4442 Utility for future troubleshooting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
7 *
0d279bcc4442 Utility for future troubleshooting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
8 * This program is distributed in the hope that it will be useful,
0d279bcc4442 Utility for future troubleshooting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
0d279bcc4442 Utility for future troubleshooting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
0d279bcc4442 Utility for future troubleshooting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
11 * GNU General Public License for more details.
0d279bcc4442 Utility for future troubleshooting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
12 *
0d279bcc4442 Utility for future troubleshooting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
13 * For information on how to redistribute this software under
0d279bcc4442 Utility for future troubleshooting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
14 * the terms of a license other than GNU General Public License
102
a3a2e5deb320 Updated contact address to support@hg4j.com
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 88
diff changeset
15 * contact TMate Software at support@hg4j.com
22
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 17
diff changeset
16 */
73
0d279bcc4442 Utility for future troubleshooting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
17 package org.tmatesoft.hg.internal;
0
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
18
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
19 import java.io.BufferedInputStream;
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
20 import java.io.DataInput;
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
21 import java.io.DataInputStream;
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
22 import java.io.File;
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
23 import java.io.FileInputStream;
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
24 import java.math.BigInteger;
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
25 import java.util.zip.Inflater;
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
26
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
27 /**
73
0d279bcc4442 Utility for future troubleshooting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
28 * Utility to test/debug/troubleshoot
0d279bcc4442 Utility for future troubleshooting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
29 *
0d279bcc4442 Utility for future troubleshooting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
30 * @author Artem Tikhomirov
0d279bcc4442 Utility for future troubleshooting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
31 * @author TMate Software Ltd.
0
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
32 */
73
0d279bcc4442 Utility for future troubleshooting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
33 public class RevlogDump {
0
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
34
73
0d279bcc4442 Utility for future troubleshooting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
35 /**
0d279bcc4442 Utility for future troubleshooting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
36 * Takes 3 command line arguments -
0d279bcc4442 Utility for future troubleshooting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
37 * repository path,
0d279bcc4442 Utility for future troubleshooting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
38 * path to index file (i.e. store/data/hello.c.i) in the repository (relative)
0d279bcc4442 Utility for future troubleshooting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
39 * and "dumpData" whether to print actual content or just revlog headers
0d279bcc4442 Utility for future troubleshooting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
40 */
0
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
41 public static void main(String[] args) throws Exception {
73
0d279bcc4442 Utility for future troubleshooting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
42 String repo = "/temp/hg/hello/.hg/";
0d279bcc4442 Utility for future troubleshooting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
43 String filename = "store/00changelog.i";
22
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 17
diff changeset
44 // String filename = "store/data/hello.c.i";
4
aa1912c70b36 Fix offset issue for inline revlogs. Commandline processing.
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 3
diff changeset
45 // String filename = "store/data/docs/readme.i";
73
0d279bcc4442 Utility for future troubleshooting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
46 boolean dumpData = true;
88
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 73
diff changeset
47 if (args.length > 1) {
73
0d279bcc4442 Utility for future troubleshooting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
48 repo = args[0];
0d279bcc4442 Utility for future troubleshooting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
49 filename = args[1];
88
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 73
diff changeset
50 dumpData = args.length > 2 ? "dumpData".equals(args[2]) : false;
73
0d279bcc4442 Utility for future troubleshooting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
51 }
0
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
52 //
22
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 17
diff changeset
53 DataInputStream dis = new DataInputStream(new BufferedInputStream(new FileInputStream(new File(repo + filename))));
0
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
54 DataInput di = dis;
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
55 dis.mark(10);
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
56 int versionField = di.readInt();
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
57 dis.reset();
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
58 final int INLINEDATA = 1 << 16;
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
59
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
60 boolean inlineData = (versionField & INLINEDATA) != 0;
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
61 System.out.printf("%#8x, inline: %b\n", versionField, inlineData);
73
0d279bcc4442 Utility for future troubleshooting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
62 System.out.println("Index Offset Flags Packed Actual Base Rev Link Rev Parent1 Parent2 nodeid");
0
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
63 int entryCount = 0;
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
64 while (dis.available() > 0) {
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
65 long l = di.readLong();
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
66 long offset = l >>> 16;
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
67 int flags = (int) (l & 0X0FFFF);
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
68 int compressedLen = di.readInt();
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
69 int actualLen = di.readInt();
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
70 int baseRevision = di.readInt();
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
71 int linkRevision = di.readInt();
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
72 int parent1Revision = di.readInt();
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
73 int parent2Revision = di.readInt();
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
74 byte[] buf = new byte[32];
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
75 di.readFully(buf, 12, 20);
168
dd525ca65de8 Stupid defect that cost me couple of hours. What a coincidence for merge revision of interest (157) to be right on the BIS buffer boundary.
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
76 dis.skipBytes(12);
dd525ca65de8 Stupid defect that cost me couple of hours. What a coincidence for merge revision of interest (157) to be right on the BIS buffer boundary.
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
77 // CAN'T USE skip() here without extra precautions. E.g. I ran into situation when
dd525ca65de8 Stupid defect that cost me couple of hours. What a coincidence for merge revision of interest (157) to be right on the BIS buffer boundary.
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
78 // buffer was 8192 and BufferedInputStream was at position 8182 before attempt to skip(12).
dd525ca65de8 Stupid defect that cost me couple of hours. What a coincidence for merge revision of interest (157) to be right on the BIS buffer boundary.
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
79 // BIS silently skips available bytes and leaves me two extra bytes that ruin the rest of the code.
73
0d279bcc4442 Utility for future troubleshooting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
80 System.out.printf("%4d:%14d %6X %10d %10d %10d %10d %8d %8d %040x\n", entryCount, offset, flags, compressedLen, actualLen, baseRevision, linkRevision, parent1Revision, parent2Revision, new BigInteger(buf));
0
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
81 if (inlineData) {
3
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
82 String resultString;
0
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
83 byte[] data = new byte[compressedLen];
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
84 di.readFully(data);
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
85 if (data[0] == 0x78 /* 'x' */) {
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
86 Inflater zlib = new Inflater();
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
87 zlib.setInput(data, 0, compressedLen);
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
88 byte[] result = new byte[actualLen*2];
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
89 int resultLen = zlib.inflate(result);
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
90 zlib.end();
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
91 resultString = new String(result, 0, resultLen, "UTF-8");
3
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
92 } else if (data[0] == 0x75 /* 'u' */) {
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
93 resultString = new String(data, 1, data.length - 1, "UTF-8");
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
94 } else {
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
95 resultString = new String(data);
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
96 }
73
0d279bcc4442 Utility for future troubleshooting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
97 if (dumpData) {
0d279bcc4442 Utility for future troubleshooting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
98 System.out.println(resultString);
0d279bcc4442 Utility for future troubleshooting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
99 }
0
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
100 }
189
e9d275fb0bc0 Correct entry index when revlog has not inlined data
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 168
diff changeset
101 entryCount++;
0
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
102 }
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
103 dis.close();
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
104 //
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
105 }
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
106 }