mercurial-scm/hg-stable: mercurial/revlog.py annotate

annotate mercurial/revlog.py @ 13265:04b302ce2781

revlog: always add the magic nullid/nullrev entry in parseindex

author	Benoit Boissinot <benoit.boissinot@ens-lyon.org>
date	Sat, 15 Jan 2011 13:02:19 +0100
parents	8439526fb407
children	a5db81b5d3e9

rev	line source
8226 8b2cd04a6e97 put license and copyright info into comment blocks Martin Geisler <mg@lazybytes.net> parents: 8225 diff changeset	1 # revlog.py - storage back-end for mercurial
8b2cd04a6e97 put license and copyright info into comment blocks Martin Geisler <mg@lazybytes.net> parents: 8225 diff changeset	2 #
8b2cd04a6e97 put license and copyright info into comment blocks Martin Geisler <mg@lazybytes.net> parents: 8225 diff changeset	3 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
8b2cd04a6e97 put license and copyright info into comment blocks Martin Geisler <mg@lazybytes.net> parents: 8225 diff changeset	4 #
8b2cd04a6e97 put license and copyright info into comment blocks Martin Geisler <mg@lazybytes.net> parents: 8225 diff changeset	5 # This software may be used and distributed according to the terms of the
10263 25e572394f5c Update license to GPLv2+ Matt Mackall <mpm@selenic.com> parents: 10047 diff changeset	6 # GNU General Public License version 2 or any later version.
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	7
8227 0a9542703300 turn some comments back into module docstrings Martin Geisler <mg@lazybytes.net> parents: 8226 diff changeset	8 """Storage back-end for Mercurial.
0a9542703300 turn some comments back into module docstrings Martin Geisler <mg@lazybytes.net> parents: 8226 diff changeset	9
0a9542703300 turn some comments back into module docstrings Martin Geisler <mg@lazybytes.net> parents: 8226 diff changeset	10 This provides efficient delta storage with O(1) retrieve and append
0a9542703300 turn some comments back into module docstrings Martin Geisler <mg@lazybytes.net> parents: 8226 diff changeset	11 and O(changes) merge between branches.
0a9542703300 turn some comments back into module docstrings Martin Geisler <mg@lazybytes.net> parents: 8226 diff changeset	12 """
0a9542703300 turn some comments back into module docstrings Martin Geisler <mg@lazybytes.net> parents: 8226 diff changeset	13
7873 4a4c7f6a5912 cleanup: drop unused imports Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 7633 diff changeset	14 # import stuff from node for others to import from revlog
4a4c7f6a5912 cleanup: drop unused imports Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 7633 diff changeset	15 from node import bin, hex, nullid, nullrev, short #@UnusedImport
3891 6b4127c7d52a Simplify i18n imports Matt Mackall <mpm@selenic.com> parents: 3877 diff changeset	16 from i18n import _
8312 b87a50b7125c separate import lines from mercurial and general python modules Simon Heimberg <simohe@besonet.ch> parents: 8227 diff changeset	17 import changegroup, ancestor, mdiff, parsers, error, util
b87a50b7125c separate import lines from mercurial and general python modules Simon Heimberg <simohe@besonet.ch> parents: 8227 diff changeset	18 import struct, zlib, errno
36 da28286bf6b7 Add smart node lookup by substring or by rev number mpm@selenic.com parents: 26 diff changeset	19
5007 3addf4531643 revlog: localize some fastpath functions Matt Mackall <mpm@selenic.com> parents: 5006 diff changeset	20 _pack = struct.pack
3addf4531643 revlog: localize some fastpath functions Matt Mackall <mpm@selenic.com> parents: 5006 diff changeset	21 _unpack = struct.unpack
3addf4531643 revlog: localize some fastpath functions Matt Mackall <mpm@selenic.com> parents: 5006 diff changeset	22 _compress = zlib.compress
3addf4531643 revlog: localize some fastpath functions Matt Mackall <mpm@selenic.com> parents: 5006 diff changeset	23 _decompress = zlib.decompress
6470 ac0bcd951c2c python 2.6 compatibility: compatibility wrappers for hash functions Dirkjan Ochtman <dirkjan@ochtman.nl> parents: 6264 diff changeset	24 _sha = util.sha1
5007 3addf4531643 revlog: localize some fastpath functions Matt Mackall <mpm@selenic.com> parents: 5006 diff changeset	25
11746 46ac30b17978 revlog: add shallow header flag Vishakh H <vsh426@gmail.com> parents: 11745 diff changeset	26 # revlog header flags
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	27 REVLOGV0 = 0
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	28 REVLOGNG = 1
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	29 REVLOGNGINLINEDATA = (1 << 16)
11746 46ac30b17978 revlog: add shallow header flag Vishakh H <vsh426@gmail.com> parents: 11745 diff changeset	30 REVLOGSHALLOW = (1 << 17)
2222 c9e264b115e6 Use revlogng and inlined data files by default mason@suse.com parents: 2177 diff changeset	31 REVLOG_DEFAULT_FLAGS = REVLOGNGINLINEDATA
c9e264b115e6 Use revlogng and inlined data files by default mason@suse.com parents: 2177 diff changeset	32 REVLOG_DEFAULT_FORMAT = REVLOGNG
c9e264b115e6 Use revlogng and inlined data files by default mason@suse.com parents: 2177 diff changeset	33 REVLOG_DEFAULT_VERSION = REVLOG_DEFAULT_FORMAT \| REVLOG_DEFAULT_FLAGS
11746 46ac30b17978 revlog: add shallow header flag Vishakh H <vsh426@gmail.com> parents: 11745 diff changeset	34 REVLOGNG_FLAGS = REVLOGNGINLINEDATA \| REVLOGSHALLOW
46ac30b17978 revlog: add shallow header flag Vishakh H <vsh426@gmail.com> parents: 11745 diff changeset	35
46ac30b17978 revlog: add shallow header flag Vishakh H <vsh426@gmail.com> parents: 11745 diff changeset	36 # revlog index flags
11928 b69899dbad40 revlog: parentdelta flags for revlog index Pradeepkumar Gayam <in3xes@gmail.com> parents: 11759 diff changeset	37 REVIDX_PARENTDELTA = 1
11745 138c055ec57d revlog: add punched revision flag Vishakh H <vsh426@gmail.com> parents: 11693 diff changeset	38 REVIDX_PUNCHED_FLAG = 2
11928 b69899dbad40 revlog: parentdelta flags for revlog index Pradeepkumar Gayam <in3xes@gmail.com> parents: 11759 diff changeset	39 REVIDX_KNOWN_FLAGS = REVIDX_PUNCHED_FLAG \| REVIDX_PARENTDELTA
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	40
10916 9c84395a338e add documentation for revlog._prereadsize Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10914 diff changeset	41 # max size of revlog with inline data
9c84395a338e add documentation for revlog._prereadsize Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10914 diff changeset	42 _maxinline = 131072
13253 61c9bc3da402 revlog: remove lazy index Matt Mackall <mpm@selenic.com> parents: 13239 diff changeset	43 _chunksize = 1048576
10913 f2ecc5733c89 revlog: factor out _maxinline global. Greg Ward <greg-hg@gerg.ca> parents: 10404 diff changeset	44
7633 08cabecfa8a8 errors: move revlog errors Matt Mackall <mpm@selenic.com> parents: 7365 diff changeset	45 RevlogError = error.RevlogError
08cabecfa8a8 errors: move revlog errors Matt Mackall <mpm@selenic.com> parents: 7365 diff changeset	46 LookupError = error.LookupError
6703 bacfee67c1a9 LookupError should have same __str__ as RevlogError Alexander Solovyov <piranha@piranha.org.ua> parents: 6700 diff changeset	47
4987 8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	48 def getoffset(q):
8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	49 return int(q >> 16)
8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	50
8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	51 def gettype(q):
8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	52 return int(q & 0xFFFF)
8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	53
8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	54 def offset_type(offset, type):
8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	55 return long(long(offset) << 16 \| type)
8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	56
7883 c63c30ae9e39 revlog: faster hash computation when one of the parent node is null Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 7874 diff changeset	57 nullhash = _sha(nullid)
c63c30ae9e39 revlog: faster hash computation when one of the parent node is null Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 7874 diff changeset	58
1091 d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	59 def hash(text, p1, p2):
d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	60 """generate a hash from the given text and its parent hashes
d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	61
d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	62 This hash combines both the current file contents and its history
d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	63 in a manner that makes it easy to distinguish nodes with the same
d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	64 content in the revision graph.
d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	65 """
7883 c63c30ae9e39 revlog: faster hash computation when one of the parent node is null Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 7874 diff changeset	66 # As of now, if one of the parent node is null, p2 is null
c63c30ae9e39 revlog: faster hash computation when one of the parent node is null Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 7874 diff changeset	67 if p2 == nullid:
c63c30ae9e39 revlog: faster hash computation when one of the parent node is null Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 7874 diff changeset	68 # deep copy of a hash is faster than creating one
c63c30ae9e39 revlog: faster hash computation when one of the parent node is null Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 7874 diff changeset	69 s = nullhash.copy()
c63c30ae9e39 revlog: faster hash computation when one of the parent node is null Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 7874 diff changeset	70 s.update(p1)
c63c30ae9e39 revlog: faster hash computation when one of the parent node is null Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 7874 diff changeset	71 else:
c63c30ae9e39 revlog: faster hash computation when one of the parent node is null Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 7874 diff changeset	72 # none of the parent nodes are nullid
c63c30ae9e39 revlog: faster hash computation when one of the parent node is null Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 7874 diff changeset	73 l = [p1, p2]
c63c30ae9e39 revlog: faster hash computation when one of the parent node is null Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 7874 diff changeset	74 l.sort()
c63c30ae9e39 revlog: faster hash computation when one of the parent node is null Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 7874 diff changeset	75 s = _sha(l[0])
c63c30ae9e39 revlog: faster hash computation when one of the parent node is null Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 7874 diff changeset	76 s.update(l[1])
1091 d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	77 s.update(text)
d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	78 return s.digest()
d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	79
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	80 def compress(text):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	81 """ generate a possibly-compressed representation of text """
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	82 if not text:
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	83 return ("", text)
5451 0a43875677b1 revlog: break up compression of large deltas Matt Mackall <mpm@selenic.com> parents: 5450 diff changeset	84 l = len(text)
5453 9d77f2b47eb7 fix UnboundLocalError, refactor a bit Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 5451 diff changeset	85 bin = None
5451 0a43875677b1 revlog: break up compression of large deltas Matt Mackall <mpm@selenic.com> parents: 5450 diff changeset	86 if l < 44:
5453 9d77f2b47eb7 fix UnboundLocalError, refactor a bit Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 5451 diff changeset	87 pass
5451 0a43875677b1 revlog: break up compression of large deltas Matt Mackall <mpm@selenic.com> parents: 5450 diff changeset	88 elif l > 1000000:
0a43875677b1 revlog: break up compression of large deltas Matt Mackall <mpm@selenic.com> parents: 5450 diff changeset	89 # zlib makes an internal copy, thus doubling memory usage for
0a43875677b1 revlog: break up compression of large deltas Matt Mackall <mpm@selenic.com> parents: 5450 diff changeset	90 # large files, so lets do this in pieces
0a43875677b1 revlog: break up compression of large deltas Matt Mackall <mpm@selenic.com> parents: 5450 diff changeset	91 z = zlib.compressobj()
0a43875677b1 revlog: break up compression of large deltas Matt Mackall <mpm@selenic.com> parents: 5450 diff changeset	92 p = []
0a43875677b1 revlog: break up compression of large deltas Matt Mackall <mpm@selenic.com> parents: 5450 diff changeset	93 pos = 0
0a43875677b1 revlog: break up compression of large deltas Matt Mackall <mpm@selenic.com> parents: 5450 diff changeset	94 while pos < l:
0a43875677b1 revlog: break up compression of large deltas Matt Mackall <mpm@selenic.com> parents: 5450 diff changeset	95 pos2 = pos + 2**20
0a43875677b1 revlog: break up compression of large deltas Matt Mackall <mpm@selenic.com> parents: 5450 diff changeset	96 p.append(z.compress(text[pos:pos2]))
0a43875677b1 revlog: break up compression of large deltas Matt Mackall <mpm@selenic.com> parents: 5450 diff changeset	97 pos = pos2
0a43875677b1 revlog: break up compression of large deltas Matt Mackall <mpm@selenic.com> parents: 5450 diff changeset	98 p.append(z.flush())
0a43875677b1 revlog: break up compression of large deltas Matt Mackall <mpm@selenic.com> parents: 5450 diff changeset	99 if sum(map(len, p)) < l:
0a43875677b1 revlog: break up compression of large deltas Matt Mackall <mpm@selenic.com> parents: 5450 diff changeset	100 bin = "".join(p)
0a43875677b1 revlog: break up compression of large deltas Matt Mackall <mpm@selenic.com> parents: 5450 diff changeset	101 else:
0a43875677b1 revlog: break up compression of large deltas Matt Mackall <mpm@selenic.com> parents: 5450 diff changeset	102 bin = _compress(text)
5453 9d77f2b47eb7 fix UnboundLocalError, refactor a bit Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 5451 diff changeset	103 if bin is None or len(bin) > l:
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	104 if text[0] == '\0':
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	105 return ("", text)
1533 3d11f81c9145 Reduce string duplication in compression code mason@suse.com parents: 1509 diff changeset	106 return ('u', text)
3d11f81c9145 Reduce string duplication in compression code mason@suse.com parents: 1509 diff changeset	107 return ("", bin)
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	108
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	109 def decompress(bin):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	110 """ decompress the given input """
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	111 if not bin:
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	112 return bin
112 aea6562add6c Make compression more intelligent: mpm@selenic.com parents: 98 diff changeset	113 t = bin[0]
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	114 if t == '\0':
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	115 return bin
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	116 if t == 'x':
5007 3addf4531643 revlog: localize some fastpath functions Matt Mackall <mpm@selenic.com> parents: 5006 diff changeset	117 return _decompress(bin)
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	118 if t == 'u':
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	119 return bin[1:]
1853 5ac811b720de Fix some problems when working on broken repositories: Thomas Arendsen Hein <thomas@intevation.de> parents: 1784 diff changeset	120 raise RevlogError(_("unknown compression type %r") % t)
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	121
4987 8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	122 indexformatv0 = ">4l20s20s20s"
8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	123 v0shaoffset = 56
4918 e017d3a82e1d revlog: raise offset/type helpers to global scope Matt Mackall <mpm@selenic.com> parents: 4746 diff changeset	124
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	125 class revlogoldio(object):
8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	126 def __init__(self):
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	127 self.size = struct.calcsize(indexformatv0)
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	128
13264 8439526fb407 revlog/parseindex: no need to pass the file around Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 13259 diff changeset	129 def parseindex(self, data, inline):
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	130 s = self.size
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	131 index = []
8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	132 nodemap = {nullid: nullrev}
4973 a386a6e4fe46 revlog: simplify the v0 parser Matt Mackall <mpm@selenic.com> parents: 4972 diff changeset	133 n = off = 0
a386a6e4fe46 revlog: simplify the v0 parser Matt Mackall <mpm@selenic.com> parents: 4972 diff changeset	134 l = len(data)
a386a6e4fe46 revlog: simplify the v0 parser Matt Mackall <mpm@selenic.com> parents: 4972 diff changeset	135 while off + s <= l:
a386a6e4fe46 revlog: simplify the v0 parser Matt Mackall <mpm@selenic.com> parents: 4972 diff changeset	136 cur = data[off:off + s]
a386a6e4fe46 revlog: simplify the v0 parser Matt Mackall <mpm@selenic.com> parents: 4972 diff changeset	137 off += s
5007 3addf4531643 revlog: localize some fastpath functions Matt Mackall <mpm@selenic.com> parents: 5006 diff changeset	138 e = _unpack(indexformatv0, cur)
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	139 # transform to revlogv1 format
6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	140 e2 = (offset_type(e[0], 0), e[1], -1, e[2], e[3],
5544 686899a7de5b revlog: make revlogv0 loading more robust against corruption Matt Mackall <mpm@selenic.com> parents: 5453 diff changeset	141 nodemap.get(e[4], nullrev), nodemap.get(e[5], nullrev), e[6])
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	142 index.append(e2)
6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	143 nodemap[e[6]] = n
4973 a386a6e4fe46 revlog: simplify the v0 parser Matt Mackall <mpm@selenic.com> parents: 4972 diff changeset	144 n += 1
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	145
13265 04b302ce2781 revlog: always add the magic nullid/nullrev entry in parseindex Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 13264 diff changeset	146 # add the magic null revision at -1
04b302ce2781 revlog: always add the magic nullid/nullrev entry in parseindex Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 13264 diff changeset	147 index.append((0, 0, 0, -1, -1, -1, -1, nullid))
04b302ce2781 revlog: always add the magic nullid/nullrev entry in parseindex Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 13264 diff changeset	148
4983 4dbcfc6e359e revlog: pull chunkcache back into revlog Matt Mackall <mpm@selenic.com> parents: 4982 diff changeset	149 return index, nodemap, None
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	150
5338 f87685355c9c revlog: fix revlogio.packentry corner case Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5325 diff changeset	151 def packentry(self, entry, node, version, rev):
10395 ea52a2d4f42c revlog: don't silently discard revlog flags on revlogv0 Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10329 diff changeset	152 if gettype(entry[0]):
ea52a2d4f42c revlog: don't silently discard revlog flags on revlogv0 Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10329 diff changeset	153 raise RevlogError(_("index entry flags need RevlogNG"))
4986 58cc017ec7e0 revlog: abstract out index entry packing Matt Mackall <mpm@selenic.com> parents: 4985 diff changeset	154 e2 = (getoffset(entry[0]), entry[1], entry[3], entry[4],
58cc017ec7e0 revlog: abstract out index entry packing Matt Mackall <mpm@selenic.com> parents: 4985 diff changeset	155 node(entry[5]), node(entry[6]), entry[7])
5007 3addf4531643 revlog: localize some fastpath functions Matt Mackall <mpm@selenic.com> parents: 5006 diff changeset	156 return _pack(indexformatv0, *e2)
4986 58cc017ec7e0 revlog: abstract out index entry packing Matt Mackall <mpm@selenic.com> parents: 4985 diff changeset	157
4987 8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	158 # index ng:
11323 d65b74106113 revlog: fix inconsistent comment formatting Martin Geisler <mg@aragost.com> parents: 11155 diff changeset	159 # 6 bytes: offset
d65b74106113 revlog: fix inconsistent comment formatting Martin Geisler <mg@aragost.com> parents: 11155 diff changeset	160 # 2 bytes: flags
d65b74106113 revlog: fix inconsistent comment formatting Martin Geisler <mg@aragost.com> parents: 11155 diff changeset	161 # 4 bytes: compressed length
d65b74106113 revlog: fix inconsistent comment formatting Martin Geisler <mg@aragost.com> parents: 11155 diff changeset	162 # 4 bytes: uncompressed length
d65b74106113 revlog: fix inconsistent comment formatting Martin Geisler <mg@aragost.com> parents: 11155 diff changeset	163 # 4 bytes: base rev
d65b74106113 revlog: fix inconsistent comment formatting Martin Geisler <mg@aragost.com> parents: 11155 diff changeset	164 # 4 bytes: link rev
d65b74106113 revlog: fix inconsistent comment formatting Martin Geisler <mg@aragost.com> parents: 11155 diff changeset	165 # 4 bytes: parent 1 rev
d65b74106113 revlog: fix inconsistent comment formatting Martin Geisler <mg@aragost.com> parents: 11155 diff changeset	166 # 4 bytes: parent 2 rev
4987 8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	167 # 32 bytes: nodeid
8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	168 indexformatng = ">Qiiiiii20s12x"
8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	169 ngshaoffset = 32
8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	170 versionformat = ">I"
8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	171
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	172 class revlogio(object):
8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	173 def __init__(self):
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	174 self.size = struct.calcsize(indexformatng)
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	175
13264 8439526fb407 revlog/parseindex: no need to pass the file around Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 13259 diff changeset	176 def parseindex(self, data, inline):
7109 528b7fc1216c use the new parseindex implementation C in parsers Bernhard Leiner <bleiner@gmail.com> parents: 7089 diff changeset	177 # call the C implementation to parse the index data
13254 5ef5eb1f3515 revlog: only build the nodemap on demand Matt Mackall <mpm@selenic.com> parents: 13253 diff changeset	178 index, cache = parsers.parse_index2(data, inline)
5ef5eb1f3515 revlog: only build the nodemap on demand Matt Mackall <mpm@selenic.com> parents: 13253 diff changeset	179 return index, None, cache
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	180
5338 f87685355c9c revlog: fix revlogio.packentry corner case Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5325 diff changeset	181 def packentry(self, entry, node, version, rev):
5007 3addf4531643 revlog: localize some fastpath functions Matt Mackall <mpm@selenic.com> parents: 5006 diff changeset	182 p = _pack(indexformatng, *entry)
5338 f87685355c9c revlog: fix revlogio.packentry corner case Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5325 diff changeset	183 if rev == 0:
5007 3addf4531643 revlog: localize some fastpath functions Matt Mackall <mpm@selenic.com> parents: 5006 diff changeset	184 p = _pack(versionformat, version) + p[4:]
4986 58cc017ec7e0 revlog: abstract out index entry packing Matt Mackall <mpm@selenic.com> parents: 4985 diff changeset	185 return p
58cc017ec7e0 revlog: abstract out index entry packing Matt Mackall <mpm@selenic.com> parents: 4985 diff changeset	186
1559 59b3639df0a9 Convert all classes to new-style classes by deriving them from object. Eric Hopper <hopper@omnifarious.org> parents: 1551 diff changeset	187 class revlog(object):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	188 """
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	189 the underlying revision storage object
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	190
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	191 A revlog consists of two parts, an index and the revision data.
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	192
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	193 The index is a file with a fixed record size containing
6912 b92baef99ebf Fixed docstring typos Martin Geisler <mg@daimi.au.dk> parents: 6891 diff changeset	194 information on each revision, including its nodeid (hash), the
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	195 nodeids of its parents, the position and offset of its data within
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	196 the data file, and the revision it's based on. Finally, each entry
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	197 contains a linkrev entry that can serve as a pointer to external
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	198 data.
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	199
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	200 The revision data itself is a linear collection of data chunks.
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	201 Each chunk represents a revision and is usually represented as a
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	202 delta against the previous chunk. To bound lookup time, runs of
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	203 deltas are limited to about 2 times the length of the original
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	204 version data. This makes retrieval of a version proportional to
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	205 its size, or O(1) relative to the number of revisions.
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	206
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	207 Both pieces of the revlog are written to in an append-only
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	208 fashion, which means we never need to rewrite a file to insert or
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	209 remove data, and can use some simple techniques to avoid the need
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	210 for locking while reading.
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	211 """
11746 46ac30b17978 revlog: add shallow header flag Vishakh H <vsh426@gmail.com> parents: 11745 diff changeset	212 def __init__(self, opener, indexfile, shallowroot=None):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	213 """
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	214 create a revlog object
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	215
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	216 opener is a function that abstracts the file opening operation
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	217 and can be used to implement COW semantics or the like.
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	218 """
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	219 self.indexfile = indexfile
4257 1b5c38e9d7aa revlog: don't pass datafile as an argument Matt Mackall <mpm@selenic.com> parents: 4224 diff changeset	220 self.datafile = indexfile[:-2] + ".d"
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	221 self.opener = opener
4984 b4066fcbd6ba revlog: mark cache private Matt Mackall <mpm@selenic.com> parents: 4983 diff changeset	222 self._cache = None
8316 d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	223 self._chunkcache = (0, '')
4985 e6525e459157 revlog: simplify revlog.__init__ Matt Mackall <mpm@selenic.com> parents: 4984 diff changeset	224 self.index = []
11746 46ac30b17978 revlog: add shallow header flag Vishakh H <vsh426@gmail.com> parents: 11745 diff changeset	225 self._shallowroot = shallowroot
11928 b69899dbad40 revlog: parentdelta flags for revlog index Pradeepkumar Gayam <in3xes@gmail.com> parents: 11759 diff changeset	226 self._parentdelta = 0
13258 c2661863f16f revlog: introduce a cache for partial lookups Matt Mackall <mpm@selenic.com> parents: 13254 diff changeset	227 self._pcache = {}
4985 e6525e459157 revlog: simplify revlog.__init__ Matt Mackall <mpm@selenic.com> parents: 4984 diff changeset	228
e6525e459157 revlog: simplify revlog.__init__ Matt Mackall <mpm@selenic.com> parents: 4984 diff changeset	229 v = REVLOG_DEFAULT_VERSION
10322 d9a2bc2f776b add options dict to localrepo.store.opener and use it for defversion Vsevolod Solovyov <vsevolod.solovyov@gmail.com> parents: 10282 diff changeset	230 if hasattr(opener, 'options') and 'defversion' in opener.options:
d9a2bc2f776b add options dict to localrepo.store.opener and use it for defversion Vsevolod Solovyov <vsevolod.solovyov@gmail.com> parents: 10282 diff changeset	231 v = opener.options['defversion']
4985 e6525e459157 revlog: simplify revlog.__init__ Matt Mackall <mpm@selenic.com> parents: 4984 diff changeset	232 if v & REVLOGNG:
e6525e459157 revlog: simplify revlog.__init__ Matt Mackall <mpm@selenic.com> parents: 4984 diff changeset	233 v \|= REVLOGNGINLINEDATA
11928 b69899dbad40 revlog: parentdelta flags for revlog index Pradeepkumar Gayam <in3xes@gmail.com> parents: 11759 diff changeset	234 if v & REVLOGNG and 'parentdelta' in opener.options:
b69899dbad40 revlog: parentdelta flags for revlog index Pradeepkumar Gayam <in3xes@gmail.com> parents: 11759 diff changeset	235 self._parentdelta = 1
b69899dbad40 revlog: parentdelta flags for revlog index Pradeepkumar Gayam <in3xes@gmail.com> parents: 11759 diff changeset	236
11746 46ac30b17978 revlog: add shallow header flag Vishakh H <vsh426@gmail.com> parents: 11745 diff changeset	237 if shallowroot:
46ac30b17978 revlog: add shallow header flag Vishakh H <vsh426@gmail.com> parents: 11745 diff changeset	238 v \|= REVLOGSHALLOW
116 e484cd5ec282 Only use lazy indexing for big indices and avoid the overhead of the mpm@selenic.com parents: 115 diff changeset	239
8314 57a41c08feab revlog: preread revlog .i file Matt Mackall <mpm@selenic.com> parents: 8312 diff changeset	240 i = ''
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	241 try:
1784 2e0a288ca93e revalidate revlog data after locking the repo (issue132) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1749 diff changeset	242 f = self.opener(self.indexfile)
13253 61c9bc3da402 revlog: remove lazy index Matt Mackall <mpm@selenic.com> parents: 13239 diff changeset	243 i = f.read()
4918 e017d3a82e1d revlog: raise offset/type helpers to global scope Matt Mackall <mpm@selenic.com> parents: 4746 diff changeset	244 if len(i) > 0:
8314 57a41c08feab revlog: preread revlog .i file Matt Mackall <mpm@selenic.com> parents: 8312 diff changeset	245 v = struct.unpack(versionformat, i[:4])[0]
1322 b3d44e9b3092 Make revlog constructor more discerning in its treatment of errors. Bryan O'Sullivan <bos@serpentine.com> parents: 1232 diff changeset	246 except IOError, inst:
b3d44e9b3092 Make revlog constructor more discerning in its treatment of errors. Bryan O'Sullivan <bos@serpentine.com> parents: 1232 diff changeset	247 if inst.errno != errno.ENOENT:
b3d44e9b3092 Make revlog constructor more discerning in its treatment of errors. Bryan O'Sullivan <bos@serpentine.com> parents: 1232 diff changeset	248 raise
4985 e6525e459157 revlog: simplify revlog.__init__ Matt Mackall <mpm@selenic.com> parents: 4984 diff changeset	249
e6525e459157 revlog: simplify revlog.__init__ Matt Mackall <mpm@selenic.com> parents: 4984 diff changeset	250 self.version = v
e6525e459157 revlog: simplify revlog.__init__ Matt Mackall <mpm@selenic.com> parents: 4984 diff changeset	251 self._inline = v & REVLOGNGINLINEDATA
11746 46ac30b17978 revlog: add shallow header flag Vishakh H <vsh426@gmail.com> parents: 11745 diff changeset	252 self._shallow = v & REVLOGSHALLOW
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	253 flags = v & ~0xFFFF
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	254 fmt = v & 0xFFFF
4985 e6525e459157 revlog: simplify revlog.__init__ Matt Mackall <mpm@selenic.com> parents: 4984 diff changeset	255 if fmt == REVLOGV0 and flags:
e6525e459157 revlog: simplify revlog.__init__ Matt Mackall <mpm@selenic.com> parents: 4984 diff changeset	256 raise RevlogError(_("index %s unknown flags %#04x for format v0")
e6525e459157 revlog: simplify revlog.__init__ Matt Mackall <mpm@selenic.com> parents: 4984 diff changeset	257 % (self.indexfile, flags >> 16))
11746 46ac30b17978 revlog: add shallow header flag Vishakh H <vsh426@gmail.com> parents: 11745 diff changeset	258 elif fmt == REVLOGNG and flags & ~REVLOGNG_FLAGS:
4985 e6525e459157 revlog: simplify revlog.__init__ Matt Mackall <mpm@selenic.com> parents: 4984 diff changeset	259 raise RevlogError(_("index %s unknown flags %#04x for revlogng")
e6525e459157 revlog: simplify revlog.__init__ Matt Mackall <mpm@selenic.com> parents: 4984 diff changeset	260 % (self.indexfile, flags >> 16))
e6525e459157 revlog: simplify revlog.__init__ Matt Mackall <mpm@selenic.com> parents: 4984 diff changeset	261 elif fmt > REVLOGNG:
3743 3a099154b110 Make revlog error slightly less scary Matt Mackall <mpm@selenic.com> parents: 3683 diff changeset	262 raise RevlogError(_("index %s unknown format %d")
3680 69cf255a55a1 Indentation cleanups for 2956948b81f3. Thomas Arendsen Hein <thomas@intevation.de> parents: 3679 diff changeset	263 % (self.indexfile, fmt))
4985 e6525e459157 revlog: simplify revlog.__init__ Matt Mackall <mpm@selenic.com> parents: 4984 diff changeset	264
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	265 self._io = revlogio()
4971 3e6dae278c99 revlog: regroup parsing code Matt Mackall <mpm@selenic.com> parents: 4920 diff changeset	266 if self.version == REVLOGV0:
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	267 self._io = revlogoldio()
13265 04b302ce2781 revlog: always add the magic nullid/nullrev entry in parseindex Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 13264 diff changeset	268 try:
04b302ce2781 revlog: always add the magic nullid/nullrev entry in parseindex Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 13264 diff changeset	269 d = self._io.parseindex(i, self._inline)
04b302ce2781 revlog: always add the magic nullid/nullrev entry in parseindex Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 13264 diff changeset	270 except (ValueError, IndexError):
04b302ce2781 revlog: always add the magic nullid/nullrev entry in parseindex Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 13264 diff changeset	271 raise RevlogError(_("index %s is corrupted") % (self.indexfile))
04b302ce2781 revlog: always add the magic nullid/nullrev entry in parseindex Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 13264 diff changeset	272 self.index, n, self._chunkcache = d
04b302ce2781 revlog: always add the magic nullid/nullrev entry in parseindex Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 13264 diff changeset	273 if n:
04b302ce2781 revlog: always add the magic nullid/nullrev entry in parseindex Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 13264 diff changeset	274 self.nodemap = n
04b302ce2781 revlog: always add the magic nullid/nullrev entry in parseindex Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 13264 diff changeset	275 if not self._chunkcache:
04b302ce2781 revlog: always add the magic nullid/nullrev entry in parseindex Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 13264 diff changeset	276 self._chunkclear()
116 e484cd5ec282 Only use lazy indexing for big indices and avoid the overhead of the mpm@selenic.com parents: 115 diff changeset	277
13254 5ef5eb1f3515 revlog: only build the nodemap on demand Matt Mackall <mpm@selenic.com> parents: 13253 diff changeset	278 @util.propertycache
5ef5eb1f3515 revlog: only build the nodemap on demand Matt Mackall <mpm@selenic.com> parents: 13253 diff changeset	279 def nodemap(self):
5ef5eb1f3515 revlog: only build the nodemap on demand Matt Mackall <mpm@selenic.com> parents: 13253 diff changeset	280 n = {nullid: nullrev}
5ef5eb1f3515 revlog: only build the nodemap on demand Matt Mackall <mpm@selenic.com> parents: 13253 diff changeset	281 i = self.index
5ef5eb1f3515 revlog: only build the nodemap on demand Matt Mackall <mpm@selenic.com> parents: 13253 diff changeset	282 for r in xrange(len(i) - 1):
5ef5eb1f3515 revlog: only build the nodemap on demand Matt Mackall <mpm@selenic.com> parents: 13253 diff changeset	283 n[i[r][7]] = r
13259 3b616dfa4b17 revlog: do revlog node->rev mapping by scanning Matt Mackall <mpm@selenic.com> parents: 13258 diff changeset	284 self.rev = self._revmap
13254 5ef5eb1f3515 revlog: only build the nodemap on demand Matt Mackall <mpm@selenic.com> parents: 13253 diff changeset	285 return n
5ef5eb1f3515 revlog: only build the nodemap on demand Matt Mackall <mpm@selenic.com> parents: 13253 diff changeset	286
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	287 def tip(self):
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	288 return self.node(len(self.index) - 2)
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	289 def __len__(self):
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	290 return len(self.index) - 1
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	291 def __iter__(self):
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	292 for i in xrange(len(self)):
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	293 yield i
13259 3b616dfa4b17 revlog: do revlog node->rev mapping by scanning Matt Mackall <mpm@selenic.com> parents: 13258 diff changeset	294 def _revmap(self, node):
1201 59bfbdbc38f6 revlog: raise informative exception if file is missing. Bryan O'Sullivan <bos@serpentine.com> parents: 1099 diff changeset	295 try:
59bfbdbc38f6 revlog: raise informative exception if file is missing. Bryan O'Sullivan <bos@serpentine.com> parents: 1099 diff changeset	296 return self.nodemap[node]
59bfbdbc38f6 revlog: raise informative exception if file is missing. Bryan O'Sullivan <bos@serpentine.com> parents: 1099 diff changeset	297 except KeyError:
6228 c0c4c7b1e8d3 revlog: report node and file when lookup fails Matt Mackall <mpm@selenic.com> parents: 6212 diff changeset	298 raise LookupError(node, self.indexfile, _('no node'))
13259 3b616dfa4b17 revlog: do revlog node->rev mapping by scanning Matt Mackall <mpm@selenic.com> parents: 13258 diff changeset	299
3b616dfa4b17 revlog: do revlog node->rev mapping by scanning Matt Mackall <mpm@selenic.com> parents: 13258 diff changeset	300 def rev(self, node):
3b616dfa4b17 revlog: do revlog node->rev mapping by scanning Matt Mackall <mpm@selenic.com> parents: 13258 diff changeset	301 if node == nullid:
3b616dfa4b17 revlog: do revlog node->rev mapping by scanning Matt Mackall <mpm@selenic.com> parents: 13258 diff changeset	302 return nullrev
3b616dfa4b17 revlog: do revlog node->rev mapping by scanning Matt Mackall <mpm@selenic.com> parents: 13258 diff changeset	303 i = self.index
3b616dfa4b17 revlog: do revlog node->rev mapping by scanning Matt Mackall <mpm@selenic.com> parents: 13258 diff changeset	304 for r in xrange(len(i) - 2, -1, -1):
3b616dfa4b17 revlog: do revlog node->rev mapping by scanning Matt Mackall <mpm@selenic.com> parents: 13258 diff changeset	305 if i[r][7] == node:
3b616dfa4b17 revlog: do revlog node->rev mapping by scanning Matt Mackall <mpm@selenic.com> parents: 13258 diff changeset	306 return r
3b616dfa4b17 revlog: do revlog node->rev mapping by scanning Matt Mackall <mpm@selenic.com> parents: 13258 diff changeset	307 raise LookupError(node, self.indexfile, _('no node'))
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	308 def node(self, rev):
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	309 return self.index[rev][7]
7361 9fe97eea5510 linkrev: take a revision number rather than a hash Matt Mackall <mpm@selenic.com> parents: 7233 diff changeset	310 def linkrev(self, rev):
9fe97eea5510 linkrev: take a revision number rather than a hash Matt Mackall <mpm@selenic.com> parents: 7233 diff changeset	311 return self.index[rev][4]
2 ecf3fd948051 Handle nullid better for ancestor mpm@selenic.com parents: 0 diff changeset	312 def parents(self, node):
7363 9d28ff207030 revlog: speed up parents() Matt Mackall <mpm@selenic.com> parents: 7362 diff changeset	313 i = self.index
9d28ff207030 revlog: speed up parents() Matt Mackall <mpm@selenic.com> parents: 7362 diff changeset	314 d = i[self.rev(node)]
9d28ff207030 revlog: speed up parents() Matt Mackall <mpm@selenic.com> parents: 7362 diff changeset	315 return i[d[5]][7], i[d[6]][7] # map revisions to nodes inline
2489 568e58eed096 Add revlog.parentrevs function. Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 2354 diff changeset	316 def parentrevs(self, rev):
4979 06abdaf78788 revlog: add a magic null revision to our index Matt Mackall <mpm@selenic.com> parents: 4978 diff changeset	317 return self.index[rev][5:7]
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	318 def start(self, rev):
5006 c2febf5420e9 revlog: minor chunk speed-up Matt Mackall <mpm@selenic.com> parents: 5005 diff changeset	319 return int(self.index[rev][0] >> 16)
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	320 def end(self, rev):
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	321 return self.start(rev) + self.length(rev)
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	322 def length(self, rev):
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	323 return self.index[rev][1]
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	324 def base(self, rev):
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	325 return self.index[rev][3]
11693 ff33f937a7da revlog: add a flags method that returns revision flags Pradeepkumar Gayam <in3xes@gmail.com> parents: 11670 diff changeset	326 def flags(self, rev):
ff33f937a7da revlog: add a flags method that returns revision flags Pradeepkumar Gayam <in3xes@gmail.com> parents: 11670 diff changeset	327 return self.index[rev][0] & 0xFFFF
12024 56a7721ee3ec revlog: add rawsize(), identical to size() but not subclassed by filelog Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12023 diff changeset	328 def rawsize(self, rev):
2078 441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	329 """return the length of the uncompressed text for a given revision"""
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	330 l = self.index[rev][2]
2078 441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	331 if l >= 0:
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	332 return l
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	333
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	334 t = self.revision(self.node(rev))
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	335 return len(t)
12024 56a7721ee3ec revlog: add rawsize(), identical to size() but not subclassed by filelog Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12023 diff changeset	336 size = rawsize
2078 441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	337
3630 508036290b00 revlog: reachable actually takes a node Matt Mackall <mpm@selenic.com> parents: 3585 diff changeset	338 def reachable(self, node, stop=None):
8464 7af92e70bb25 revlog: use set instead of dict Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8453 diff changeset	339 """return the set of all nodes ancestral to a given node, including
3683 b0fd43effdb3 add docstring to reachable Matt Mackall <mpm@selenic.com> parents: 3680 diff changeset	340 the node itself, stopping when stop is matched"""
8464 7af92e70bb25 revlog: use set instead of dict Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8453 diff changeset	341 reachable = set((node,))
3630 508036290b00 revlog: reachable actually takes a node Matt Mackall <mpm@selenic.com> parents: 3585 diff changeset	342 visit = [node]
1074 55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	343 if stop:
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	344 stopn = self.rev(stop)
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	345 else:
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	346 stopn = 0
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	347 while visit:
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	348 n = visit.pop(0)
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	349 if n == stop:
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	350 continue
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	351 if n == nullid:
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	352 continue
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	353 for p in self.parents(n):
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	354 if self.rev(p) < stopn:
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	355 continue
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	356 if p not in reachable:
8464 7af92e70bb25 revlog: use set instead of dict Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8453 diff changeset	357 reachable.add(p)
1074 55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	358 visit.append(p)
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	359 return reachable
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	360
6872 c7cc40fd74f6 Add ancestors and descendants to revlog Stefano Tortarolo <stefano.tortarolo@gmail.com> parents: 6750 diff changeset	361 def ancestors(self, *revs):
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	362 """Generate the ancestors of 'revs' in reverse topological order.
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	363
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	364 Yield a sequence of revision numbers starting with the parents
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	365 of each revision in revs, i.e., each revision is not considered
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	366 an ancestor of itself. Results are in breadth-first order:
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	367 parents of each rev in revs, then parents of those, etc. Result
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	368 does not include the null revision."""
6872 c7cc40fd74f6 Add ancestors and descendants to revlog Stefano Tortarolo <stefano.tortarolo@gmail.com> parents: 6750 diff changeset	369 visit = list(revs)
8150 bbc24c0753a0 util: use built-in set and frozenset Martin Geisler <mg@lazybytes.net> parents: 8073 diff changeset	370 seen = set([nullrev])
6872 c7cc40fd74f6 Add ancestors and descendants to revlog Stefano Tortarolo <stefano.tortarolo@gmail.com> parents: 6750 diff changeset	371 while visit:
c7cc40fd74f6 Add ancestors and descendants to revlog Stefano Tortarolo <stefano.tortarolo@gmail.com> parents: 6750 diff changeset	372 for parent in self.parentrevs(visit.pop(0)):
c7cc40fd74f6 Add ancestors and descendants to revlog Stefano Tortarolo <stefano.tortarolo@gmail.com> parents: 6750 diff changeset	373 if parent not in seen:
c7cc40fd74f6 Add ancestors and descendants to revlog Stefano Tortarolo <stefano.tortarolo@gmail.com> parents: 6750 diff changeset	374 visit.append(parent)
c7cc40fd74f6 Add ancestors and descendants to revlog Stefano Tortarolo <stefano.tortarolo@gmail.com> parents: 6750 diff changeset	375 seen.add(parent)
c7cc40fd74f6 Add ancestors and descendants to revlog Stefano Tortarolo <stefano.tortarolo@gmail.com> parents: 6750 diff changeset	376 yield parent
c7cc40fd74f6 Add ancestors and descendants to revlog Stefano Tortarolo <stefano.tortarolo@gmail.com> parents: 6750 diff changeset	377
c7cc40fd74f6 Add ancestors and descendants to revlog Stefano Tortarolo <stefano.tortarolo@gmail.com> parents: 6750 diff changeset	378 def descendants(self, *revs):
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	379 """Generate the descendants of 'revs' in revision order.
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	380
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	381 Yield a sequence of revision numbers starting with a child of
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	382 some rev in revs, i.e., each revision is not considered a
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	383 descendant of itself. Results are ordered by revision number (a
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	384 topological sort)."""
12950 2405b4a5964a revlog: fix descendants() if nullrev is in revs Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 12949 diff changeset	385 first = min(revs)
2405b4a5964a revlog: fix descendants() if nullrev is in revs Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 12949 diff changeset	386 if first == nullrev:
2405b4a5964a revlog: fix descendants() if nullrev is in revs Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 12949 diff changeset	387 for i in self:
2405b4a5964a revlog: fix descendants() if nullrev is in revs Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 12949 diff changeset	388 yield i
2405b4a5964a revlog: fix descendants() if nullrev is in revs Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 12949 diff changeset	389 return
2405b4a5964a revlog: fix descendants() if nullrev is in revs Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 12949 diff changeset	390
8150 bbc24c0753a0 util: use built-in set and frozenset Martin Geisler <mg@lazybytes.net> parents: 8073 diff changeset	391 seen = set(revs)
12950 2405b4a5964a revlog: fix descendants() if nullrev is in revs Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 12949 diff changeset	392 for i in xrange(first + 1, len(self)):
6872 c7cc40fd74f6 Add ancestors and descendants to revlog Stefano Tortarolo <stefano.tortarolo@gmail.com> parents: 6750 diff changeset	393 for x in self.parentrevs(i):
c7cc40fd74f6 Add ancestors and descendants to revlog Stefano Tortarolo <stefano.tortarolo@gmail.com> parents: 6750 diff changeset	394 if x != nullrev and x in seen:
c7cc40fd74f6 Add ancestors and descendants to revlog Stefano Tortarolo <stefano.tortarolo@gmail.com> parents: 6750 diff changeset	395 seen.add(i)
c7cc40fd74f6 Add ancestors and descendants to revlog Stefano Tortarolo <stefano.tortarolo@gmail.com> parents: 6750 diff changeset	396 yield i
c7cc40fd74f6 Add ancestors and descendants to revlog Stefano Tortarolo <stefano.tortarolo@gmail.com> parents: 6750 diff changeset	397 break
c7cc40fd74f6 Add ancestors and descendants to revlog Stefano Tortarolo <stefano.tortarolo@gmail.com> parents: 6750 diff changeset	398
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	399 def findmissing(self, common=None, heads=None):
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	400 """Return the ancestors of heads that are not ancestors of common.
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	401
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	402 More specifically, return a list of nodes N such that every N
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	403 satisfies the following constraints:
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	404
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	405 1. N is an ancestor of some node in 'heads'
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	406 2. N is not an ancestor of any node in 'common'
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	407
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	408 The list is sorted by revision number, meaning it is
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	409 topologically sorted.
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	410
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	411 'heads' and 'common' are both lists of node IDs. If heads is
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	412 not supplied, uses all of the revlog's heads. If common is not
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	413 supplied, uses nullid."""
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	414 if common is None:
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	415 common = [nullid]
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	416 if heads is None:
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	417 heads = self.heads()
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	418
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	419 common = [self.rev(n) for n in common]
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	420 heads = [self.rev(n) for n in heads]
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	421
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	422 # we want the ancestors, but inclusive
8152 08e1baf924ca replace set-like dictionaries with real sets Martin Geisler <mg@lazybytes.net> parents: 8150 diff changeset	423 has = set(self.ancestors(*common))
08e1baf924ca replace set-like dictionaries with real sets Martin Geisler <mg@lazybytes.net> parents: 8150 diff changeset	424 has.add(nullrev)
08e1baf924ca replace set-like dictionaries with real sets Martin Geisler <mg@lazybytes.net> parents: 8150 diff changeset	425 has.update(common)
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	426
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	427 # take all ancestors from heads that aren't in has
8453 d1ca637b0773 revlog.missing(): use sets instead of a dict Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8391 diff changeset	428 missing = set()
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	429 visit = [r for r in heads if r not in has]
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	430 while visit:
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	431 r = visit.pop(0)
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	432 if r in missing:
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	433 continue
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	434 else:
8453 d1ca637b0773 revlog.missing(): use sets instead of a dict Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8391 diff changeset	435 missing.add(r)
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	436 for p in self.parentrevs(r):
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	437 if p not in has:
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	438 visit.append(p)
8453 d1ca637b0773 revlog.missing(): use sets instead of a dict Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8391 diff changeset	439 missing = list(missing)
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	440 missing.sort()
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	441 return [self.node(r) for r in missing]
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	442
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	443 def nodesbetween(self, roots=None, heads=None):
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	444 """Return a topological path from 'roots' to 'heads'.
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	445
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	446 Return a tuple (nodes, outroots, outheads) where 'nodes' is a
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	447 topologically sorted list of all nodes N that satisfy both of
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	448 these constraints:
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	449
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	450 1. N is a descendant of some node in 'roots'
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	451 2. N is an ancestor of some node in 'heads'
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	452
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	453 Every node is considered to be both a descendant and an ancestor
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	454 of itself, so every reachable node in 'roots' and 'heads' will be
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	455 included in 'nodes'.
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	456
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	457 'outroots' is the list of reachable nodes in 'roots', i.e., the
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	458 subset of 'roots' that is returned in 'nodes'. Likewise,
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	459 'outheads' is the subset of 'heads' that is also in 'nodes'.
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	460
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	461 'roots' and 'heads' are both lists of node IDs. If 'roots' is
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	462 unspecified, uses nullid as the only root. If 'heads' is
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	463 unspecified, uses list of all of the revlog's heads."""
1463 26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween. Eric Hopper <hopper@omnifarious.org> parents: 1459 diff changeset	464 nonodes = ([], [], [])
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	465 if roots is not None:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	466 roots = list(roots)
1463 26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween. Eric Hopper <hopper@omnifarious.org> parents: 1459 diff changeset	467 if not roots:
26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween. Eric Hopper <hopper@omnifarious.org> parents: 1459 diff changeset	468 return nonodes
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	469 lowestrev = min([self.rev(n) for n in roots])
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	470 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	471 roots = [nullid] # Everybody's a descendent of nullid
3578 3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1. Thomas Arendsen Hein <thomas@intevation.de> parents: 3508 diff changeset	472 lowestrev = nullrev
3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1. Thomas Arendsen Hein <thomas@intevation.de> parents: 3508 diff changeset	473 if (lowestrev == nullrev) and (heads is None):
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	474 # We want _all_ the nodes!
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	475 return ([self.node(r) for r in self], [nullid], list(self.heads()))
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	476 if heads is None:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	477 # All nodes are ancestors, so the latest ancestor is the last
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	478 # node.
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	479 highestrev = len(self) - 1
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	480 # Set ancestors to None to signal that every node is an ancestor.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	481 ancestors = None
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	482 # Set heads to an empty dictionary for later discovery of heads
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	483 heads = {}
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	484 else:
1463 26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween. Eric Hopper <hopper@omnifarious.org> parents: 1459 diff changeset	485 heads = list(heads)
26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween. Eric Hopper <hopper@omnifarious.org> parents: 1459 diff changeset	486 if not heads:
26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween. Eric Hopper <hopper@omnifarious.org> parents: 1459 diff changeset	487 return nonodes
8464 7af92e70bb25 revlog: use set instead of dict Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8453 diff changeset	488 ancestors = set()
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	489 # Turn heads into a dictionary so we can remove 'fake' heads.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	490 # Also, later we will be using it to filter out the heads we can't
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	491 # find from roots.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	492 heads = dict.fromkeys(heads, 0)
3360 ef8307585b41 nodesbetween: fix a bug with duplicate heads Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3335 diff changeset	493 # Start at the top and keep marking parents until we're done.
8163 62d7287fe6b0 rebase, revlog: use set(x) instead of set(x.keys()) Martin Geisler <mg@lazybytes.net> parents: 8153 diff changeset	494 nodestotag = set(heads)
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	495 # Remember where the top was so we can use it as a limit later.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	496 highestrev = max([self.rev(n) for n in nodestotag])
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	497 while nodestotag:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	498 # grab a node to tag
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	499 n = nodestotag.pop()
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	500 # Never tag nullid
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	501 if n == nullid:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	502 continue
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	503 # A node's revision number represents its place in a
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	504 # topologically sorted list of nodes.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	505 r = self.rev(n)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	506 if r >= lowestrev:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	507 if n not in ancestors:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	508 # If we are possibly a descendent of one of the roots
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	509 # and we haven't already been marked as an ancestor
8464 7af92e70bb25 revlog: use set instead of dict Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8453 diff changeset	510 ancestors.add(n) # Mark as ancestor
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	511 # Add non-nullid parents to list of nodes to tag.
8153 616f20e1004a revlog: let nodestotag be a set instead of a list Martin Geisler <mg@lazybytes.net> parents: 8152 diff changeset	512 nodestotag.update([p for p in self.parents(n) if
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	513 p != nullid])
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	514 elif n in heads: # We've seen it before, is it a fake head?
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	515 # So it is, real heads should not be the ancestors of
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	516 # any other heads.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	517 heads.pop(n)
1459 106fdec8e1fb Fix small bug in nodesbetween if heads is [nullid]. Eric Hopper <hopper@omnifarious.org> parents: 1458 diff changeset	518 if not ancestors:
1463 26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween. Eric Hopper <hopper@omnifarious.org> parents: 1459 diff changeset	519 return nonodes
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	520 # Now that we have our set of ancestors, we want to remove any
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	521 # roots that are not ancestors.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	522
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	523 # If one of the roots was nullid, everything is included anyway.
3578 3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1. Thomas Arendsen Hein <thomas@intevation.de> parents: 3508 diff changeset	524 if lowestrev > nullrev:
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	525 # But, since we weren't, let's recompute the lowest rev to not
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	526 # include roots that aren't ancestors.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	527
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	528 # Filter out roots that aren't ancestors of heads
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	529 roots = [n for n in roots if n in ancestors]
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	530 # Recompute the lowest revision
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	531 if roots:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	532 lowestrev = min([self.rev(n) for n in roots])
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	533 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	534 # No more roots? Return empty list
1463 26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween. Eric Hopper <hopper@omnifarious.org> parents: 1459 diff changeset	535 return nonodes
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	536 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	537 # We are descending from nullid, and don't need to care about
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	538 # any other roots.
3578 3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1. Thomas Arendsen Hein <thomas@intevation.de> parents: 3508 diff changeset	539 lowestrev = nullrev
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	540 roots = [nullid]
8152 08e1baf924ca replace set-like dictionaries with real sets Martin Geisler <mg@lazybytes.net> parents: 8150 diff changeset	541 # Transform our roots list into a set.
08e1baf924ca replace set-like dictionaries with real sets Martin Geisler <mg@lazybytes.net> parents: 8150 diff changeset	542 descendents = set(roots)
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	543 # Also, keep the original roots so we can filter out roots that aren't
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	544 # 'real' roots (i.e. are descended from other roots).
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	545 roots = descendents.copy()
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	546 # Our topologically sorted list of output nodes.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	547 orderedout = []
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	548 # Don't start at nullid since we don't want nullid in our output list,
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	549 # and if nullid shows up in descedents, empty parents will look like
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	550 # they're descendents.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	551 for r in xrange(max(lowestrev, 0), highestrev + 1):
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	552 n = self.node(r)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	553 isdescendent = False
3578 3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1. Thomas Arendsen Hein <thomas@intevation.de> parents: 3508 diff changeset	554 if lowestrev == nullrev: # Everybody is a descendent of nullid
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	555 isdescendent = True
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	556 elif n in descendents:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	557 # n is already a descendent
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	558 isdescendent = True
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	559 # This check only needs to be done here because all the roots
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	560 # will start being marked is descendents before the loop.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	561 if n in roots:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	562 # If n was a root, check if it's a 'real' root.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	563 p = tuple(self.parents(n))
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	564 # If any of its parents are descendents, it's not a root.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	565 if (p[0] in descendents) or (p[1] in descendents):
8152 08e1baf924ca replace set-like dictionaries with real sets Martin Geisler <mg@lazybytes.net> parents: 8150 diff changeset	566 roots.remove(n)
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	567 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	568 p = tuple(self.parents(n))
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	569 # A node is a descendent if either of its parents are
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	570 # descendents. (We seeded the dependents list with the roots
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	571 # up there, remember?)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	572 if (p[0] in descendents) or (p[1] in descendents):
8152 08e1baf924ca replace set-like dictionaries with real sets Martin Geisler <mg@lazybytes.net> parents: 8150 diff changeset	573 descendents.add(n)
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	574 isdescendent = True
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	575 if isdescendent and ((ancestors is None) or (n in ancestors)):
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	576 # Only include nodes that are both descendents and ancestors.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	577 orderedout.append(n)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	578 if (ancestors is not None) and (n in heads):
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	579 # We're trying to figure out which heads are reachable
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	580 # from roots.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	581 # Mark this head as having been reached
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	582 heads[n] = 1
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	583 elif ancestors is None:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	584 # Otherwise, we're trying to discover the heads.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	585 # Assume this is a head because if it isn't, the next step
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	586 # will eventually remove it.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	587 heads[n] = 1
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	588 # But, obviously its parents aren't.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	589 for p in self.parents(n):
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	590 heads.pop(p, None)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	591 heads = [n for n in heads.iterkeys() if heads[n] != 0]
8152 08e1baf924ca replace set-like dictionaries with real sets Martin Geisler <mg@lazybytes.net> parents: 8150 diff changeset	592 roots = list(roots)
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	593 assert orderedout
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	594 assert roots
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	595 assert heads
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	596 return (orderedout, roots, heads)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	597
3923 27230c29bfec fix calculation of new heads added during push with -r Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3755 diff changeset	598 def heads(self, start=None, stop=None):
1550 ccb9b62de892 add a -r/--rev option to heads to show only heads descendant from rev Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1535 diff changeset	599 """return the list of all nodes that have no children
1551 e793cbc8be00 Fixes to "hg heads -r FOO": Thomas Arendsen Hein <thomas@intevation.de> parents: 1550 diff changeset	600
e793cbc8be00 Fixes to "hg heads -r FOO": Thomas Arendsen Hein <thomas@intevation.de> parents: 1550 diff changeset	601 if start is specified, only heads that are descendants of
e793cbc8be00 Fixes to "hg heads -r FOO": Thomas Arendsen Hein <thomas@intevation.de> parents: 1550 diff changeset	602 start will be returned
3923 27230c29bfec fix calculation of new heads added during push with -r Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3755 diff changeset	603 if stop is specified, it will consider all the revs from stop
27230c29bfec fix calculation of new heads added during push with -r Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3755 diff changeset	604 as if they had no children
1551 e793cbc8be00 Fixes to "hg heads -r FOO": Thomas Arendsen Hein <thomas@intevation.de> parents: 1550 diff changeset	605 """
4991 9c8c42bcf17a revlog: implement a fast path for heads Matt Mackall <mpm@selenic.com> parents: 4990 diff changeset	606 if start is None and stop is None:
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	607 count = len(self)
4991 9c8c42bcf17a revlog: implement a fast path for heads Matt Mackall <mpm@selenic.com> parents: 4990 diff changeset	608 if not count:
9c8c42bcf17a revlog: implement a fast path for heads Matt Mackall <mpm@selenic.com> parents: 4990 diff changeset	609 return [nullid]
9c8c42bcf17a revlog: implement a fast path for heads Matt Mackall <mpm@selenic.com> parents: 4990 diff changeset	610 ishead = [1] * (count + 1)
9c8c42bcf17a revlog: implement a fast path for heads Matt Mackall <mpm@selenic.com> parents: 4990 diff changeset	611 index = self.index
7089 c57b30f1bc15 revlog: fix heads performance regression Matt Mackall <mpm@selenic.com> parents: 7062 diff changeset	612 for r in xrange(count):
4991 9c8c42bcf17a revlog: implement a fast path for heads Matt Mackall <mpm@selenic.com> parents: 4990 diff changeset	613 e = index[r]
9c8c42bcf17a revlog: implement a fast path for heads Matt Mackall <mpm@selenic.com> parents: 4990 diff changeset	614 ishead[e[5]] = ishead[e[6]] = 0
7089 c57b30f1bc15 revlog: fix heads performance regression Matt Mackall <mpm@selenic.com> parents: 7062 diff changeset	615 return [self.node(r) for r in xrange(count) if ishead[r]]
4991 9c8c42bcf17a revlog: implement a fast path for heads Matt Mackall <mpm@selenic.com> parents: 4990 diff changeset	616
1551 e793cbc8be00 Fixes to "hg heads -r FOO": Thomas Arendsen Hein <thomas@intevation.de> parents: 1550 diff changeset	617 if start is None:
e793cbc8be00 Fixes to "hg heads -r FOO": Thomas Arendsen Hein <thomas@intevation.de> parents: 1550 diff changeset	618 start = nullid
3923 27230c29bfec fix calculation of new heads added during push with -r Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3755 diff changeset	619 if stop is None:
27230c29bfec fix calculation of new heads added during push with -r Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3755 diff changeset	620 stop = []
8152 08e1baf924ca replace set-like dictionaries with real sets Martin Geisler <mg@lazybytes.net> parents: 8150 diff changeset	621 stoprevs = set([self.rev(n) for n in stop])
1550 ccb9b62de892 add a -r/--rev option to heads to show only heads descendant from rev Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1535 diff changeset	622 startrev = self.rev(start)
8464 7af92e70bb25 revlog: use set instead of dict Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8453 diff changeset	623 reachable = set((startrev,))
7af92e70bb25 revlog: use set instead of dict Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8453 diff changeset	624 heads = set((startrev,))
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	625
2490 6ff82ec1f4b8 Change revlog.heads to walk the revision graph using revision numbers Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 2489 diff changeset	626 parentrevs = self.parentrevs
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	627 for r in xrange(startrev + 1, len(self)):
2490 6ff82ec1f4b8 Change revlog.heads to walk the revision graph using revision numbers Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 2489 diff changeset	628 for p in parentrevs(r):
6ff82ec1f4b8 Change revlog.heads to walk the revision graph using revision numbers Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 2489 diff changeset	629 if p in reachable:
3923 27230c29bfec fix calculation of new heads added during push with -r Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3755 diff changeset	630 if r not in stoprevs:
8464 7af92e70bb25 revlog: use set instead of dict Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8453 diff changeset	631 reachable.add(r)
7af92e70bb25 revlog: use set instead of dict Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8453 diff changeset	632 heads.add(r)
3923 27230c29bfec fix calculation of new heads added during push with -r Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3755 diff changeset	633 if p in heads and p not in stoprevs:
8464 7af92e70bb25 revlog: use set instead of dict Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8453 diff changeset	634 heads.remove(p)
3923 27230c29bfec fix calculation of new heads added during push with -r Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3755 diff changeset	635
2490 6ff82ec1f4b8 Change revlog.heads to walk the revision graph using revision numbers Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 2489 diff changeset	636 return [self.node(r) for r in heads]
370 c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	637
c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	638 def children(self, node):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	639 """find the children of a given node"""
370 c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	640 c = []
c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	641 p = self.rev(node)
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	642 for r in range(p + 1, len(self)):
4746 62c56d8f368b Fix revlog.children so the real children of the null revision can be calculated. Thomas Arendsen Hein <thomas@intevation.de> parents: 4635 diff changeset	643 prevs = [pr for pr in self.parentrevs(r) if pr != nullrev]
62c56d8f368b Fix revlog.children so the real children of the null revision can be calculated. Thomas Arendsen Hein <thomas@intevation.de> parents: 4635 diff changeset	644 if prevs:
62c56d8f368b Fix revlog.children so the real children of the null revision can be calculated. Thomas Arendsen Hein <thomas@intevation.de> parents: 4635 diff changeset	645 for pr in prevs:
62c56d8f368b Fix revlog.children so the real children of the null revision can be calculated. Thomas Arendsen Hein <thomas@intevation.de> parents: 4635 diff changeset	646 if pr == p:
62c56d8f368b Fix revlog.children so the real children of the null revision can be calculated. Thomas Arendsen Hein <thomas@intevation.de> parents: 4635 diff changeset	647 c.append(self.node(r))
62c56d8f368b Fix revlog.children so the real children of the null revision can be calculated. Thomas Arendsen Hein <thomas@intevation.de> parents: 4635 diff changeset	648 elif p == nullrev:
62c56d8f368b Fix revlog.children so the real children of the null revision can be calculated. Thomas Arendsen Hein <thomas@intevation.de> parents: 4635 diff changeset	649 c.append(self.node(r))
370 c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	650 return c
515 03f27b1381f9 Whitespace cleanups mpm@selenic.com parents: 484 diff changeset	651
10897 adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	652 def descendant(self, start, end):
12949 6878eaa5a40d revlog: if start is nullrev, end is always a descendant Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 12890 diff changeset	653 if start == nullrev:
6878eaa5a40d revlog: if start is nullrev, end is always a descendant Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 12890 diff changeset	654 return True
10897 adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	655 for i in self.descendants(start):
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	656 if i == end:
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	657 return True
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	658 elif i > end:
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	659 break
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	660 return False
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	661
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	662 def ancestor(self, a, b):
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	663 """calculate the least common ancestor of nodes a and b"""
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	664
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	665 # fast path, check if it is a descendant
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	666 a, b = self.rev(a), self.rev(b)
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	667 start, end = sorted((a, b))
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	668 if self.descendant(start, end):
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	669 return self.node(start)
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	670
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	671 def parents(rev):
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	672 return [p for p in self.parentrevs(rev) if p != nullrev]
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	673
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	674 c = ancestor.ancestor(a, b, parents)
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	675 if c is None:
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	676 return nullid
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	677
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	678 return self.node(c)
adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	679
3453 dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	680 def _match(self, id):
3210 7240f9e47144 correctly find the type of 'id' in revlog.lookup Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3157 diff changeset	681 if isinstance(id, (long, int)):
3156 d01e4cb2f5f2 cleanups in revlog.lookup Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3139 diff changeset	682 # rev
2641 156fb1feab62 lookup should allow -1 to represent nullid (if passed an int as arg) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 2600 diff changeset	683 return self.node(id)
3438 b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	684 if len(id) == 20:
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	685 # possibly a binary node
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	686 # odds of a binary node being all hex in ASCII are 1 in 10**25
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	687 try:
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	688 node = id
7874 d812029cda85 cleanup: drop variables for unused return values Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 7873 diff changeset	689 self.rev(node) # quick search the index
3438 b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	690 return node
3930 01d98d68d697 Add revlog.LookupError exception, and use it instead of RevlogError. Brendan Cully <brendan@kublai.com> parents: 3928 diff changeset	691 except LookupError:
3438 b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	692 pass # may be partial hex id
36 da28286bf6b7 Add smart node lookup by substring or by rev number mpm@selenic.com parents: 26 diff changeset	693 try:
3156 d01e4cb2f5f2 cleanups in revlog.lookup Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3139 diff changeset	694 # str(rev)
36 da28286bf6b7 Add smart node lookup by substring or by rev number mpm@selenic.com parents: 26 diff changeset	695 rev = int(id)
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	696 if str(rev) != id:
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	697 raise ValueError
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	698 if rev < 0:
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	699 rev = len(self) + rev
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	700 if rev < 0 or rev >= len(self):
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	701 raise ValueError
36 da28286bf6b7 Add smart node lookup by substring or by rev number mpm@selenic.com parents: 26 diff changeset	702 return self.node(rev)
469 e205194ca7ef Various node id lookup tweaks mpm@selenic.com parents: 451 diff changeset	703 except (ValueError, OverflowError):
3156 d01e4cb2f5f2 cleanups in revlog.lookup Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3139 diff changeset	704 pass
3453 dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	705 if len(id) == 40:
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	706 try:
3438 b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	707 # a full hex nodeid?
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	708 node = bin(id)
7874 d812029cda85 cleanup: drop variables for unused return values Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 7873 diff changeset	709 self.rev(node)
3157 4fe41a9e4591 optimize revlog.lookup when passed hex(node)[:...] Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3156 diff changeset	710 return node
7062 efc579fdaf69 provide nicer feedback when an unknown node id is passed to a command Sune Foldager <cryo@cyanite.org> parents: 6912 diff changeset	711 except (TypeError, LookupError):
3453 dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	712 pass
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	713
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	714 def _partialmatch(self, id):
13258 c2661863f16f revlog: introduce a cache for partial lookups Matt Mackall <mpm@selenic.com> parents: 13254 diff changeset	715 if id in self._pcache:
c2661863f16f revlog: introduce a cache for partial lookups Matt Mackall <mpm@selenic.com> parents: 13254 diff changeset	716 return self._pcache[id]
c2661863f16f revlog: introduce a cache for partial lookups Matt Mackall <mpm@selenic.com> parents: 13254 diff changeset	717
3453 dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	718 if len(id) < 40:
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	719 try:
3438 b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	720 # hex(node)[:...]
9029 0001e49f1c11 compat: use // for integer division Alejandro Santos <alejolp@alejolp.com> parents: 8658 diff changeset	721 l = len(id) // 2 # grab an even number of digits
13259 3b616dfa4b17 revlog: do revlog node->rev mapping by scanning Matt Mackall <mpm@selenic.com> parents: 13258 diff changeset	722 prefix = bin(id[:l * 2])
3b616dfa4b17 revlog: do revlog node->rev mapping by scanning Matt Mackall <mpm@selenic.com> parents: 13258 diff changeset	723 nl = [e[7] for e in self.index if e[7].startswith(prefix)]
7365 ec3aafa84d44 lookup: speed up partial lookup Matt Mackall <mpm@selenic.com> parents: 7363 diff changeset	724 nl = [n for n in nl if hex(n).startswith(id)]
ec3aafa84d44 lookup: speed up partial lookup Matt Mackall <mpm@selenic.com> parents: 7363 diff changeset	725 if len(nl) > 0:
ec3aafa84d44 lookup: speed up partial lookup Matt Mackall <mpm@selenic.com> parents: 7363 diff changeset	726 if len(nl) == 1:
13258 c2661863f16f revlog: introduce a cache for partial lookups Matt Mackall <mpm@selenic.com> parents: 13254 diff changeset	727 self._pcache[id] = nl[0]
7365 ec3aafa84d44 lookup: speed up partial lookup Matt Mackall <mpm@selenic.com> parents: 7363 diff changeset	728 return nl[0]
ec3aafa84d44 lookup: speed up partial lookup Matt Mackall <mpm@selenic.com> parents: 7363 diff changeset	729 raise LookupError(id, self.indexfile,
ec3aafa84d44 lookup: speed up partial lookup Matt Mackall <mpm@selenic.com> parents: 7363 diff changeset	730 _('ambiguous identifier'))
ec3aafa84d44 lookup: speed up partial lookup Matt Mackall <mpm@selenic.com> parents: 7363 diff changeset	731 return None
3453 dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	732 except TypeError:
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	733 pass
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	734
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	735 def lookup(self, id):
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	736 """locate a node based on:
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	737 - revision number or str(revision number)
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	738 - nodeid or subset of hex nodeid
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	739 """
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	740 n = self._match(id)
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	741 if n is not None:
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	742 return n
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	743 n = self._partialmatch(id)
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	744 if n:
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	745 return n
515 03f27b1381f9 Whitespace cleanups mpm@selenic.com parents: 484 diff changeset	746
6228 c0c4c7b1e8d3 revlog: report node and file when lookup fails Matt Mackall <mpm@selenic.com> parents: 6212 diff changeset	747 raise LookupError(id, self.indexfile, _('no match found'))
36 da28286bf6b7 Add smart node lookup by substring or by rev number mpm@selenic.com parents: 26 diff changeset	748
2890 5df3e5cf16bc Move cmp bits from filelog to revlog Matt Mackall <mpm@selenic.com> parents: 2859 diff changeset	749 def cmp(self, node, text):
11539 a463e3c50212 cmp: document the fact that we return True if content is different Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 11323 diff changeset	750 """compare text with a given file revision
a463e3c50212 cmp: document the fact that we return True if content is different Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 11323 diff changeset	751
a463e3c50212 cmp: document the fact that we return True if content is different Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 11323 diff changeset	752 returns True if text is different than what is stored.
a463e3c50212 cmp: document the fact that we return True if content is different Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 11323 diff changeset	753 """
2890 5df3e5cf16bc Move cmp bits from filelog to revlog Matt Mackall <mpm@selenic.com> parents: 2859 diff changeset	754 p1, p2 = self.parents(node)
5df3e5cf16bc Move cmp bits from filelog to revlog Matt Mackall <mpm@selenic.com> parents: 2859 diff changeset	755 return hash(text, p1, p2) != node
5df3e5cf16bc Move cmp bits from filelog to revlog Matt Mackall <mpm@selenic.com> parents: 2859 diff changeset	756
8316 d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	757 def _addchunk(self, offset, data):
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	758 o, d = self._chunkcache
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	759 # try to add to existing cache
13253 61c9bc3da402 revlog: remove lazy index Matt Mackall <mpm@selenic.com> parents: 13239 diff changeset	760 if o + len(d) == offset and len(d) + len(data) < _chunksize:
8316 d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	761 self._chunkcache = o, d + data
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	762 else:
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	763 self._chunkcache = offset, data
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	764
8650 ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	765 def _loadchunk(self, offset, length):
ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	766 if self._inline:
ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	767 df = self.opener(self.indexfile)
ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	768 else:
ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	769 df = self.opener(self.datafile)
8316 d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	770
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	771 readahead = max(65536, length)
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	772 df.seek(offset)
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	773 d = df.read(readahead)
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	774 self._addchunk(offset, d)
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	775 if readahead > length:
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	776 return d[:length]
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	777 return d
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	778
8650 ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	779 def _getchunk(self, offset, length):
8316 d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	780 o, d = self._chunkcache
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	781 l = len(d)
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	782
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	783 # is it in the cache?
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	784 cachestart = offset - o
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	785 cacheend = cachestart + length
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	786 if cachestart >= 0 and cacheend <= l:
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	787 if cachestart == 0 and cacheend == l:
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	788 return d # avoid a copy
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	789 return d[cachestart:cacheend]
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	790
8650 ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	791 return self._loadchunk(offset, length)
8316 d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	792
8650 ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	793 def _chunkraw(self, startrev, endrev):
8318 6b8513f8274a revlog: add cache priming for reconstructing delta chains Matt Mackall <mpm@selenic.com> parents: 8317 diff changeset	794 start = self.start(startrev)
8650 ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	795 length = self.end(endrev) - start
8318 6b8513f8274a revlog: add cache priming for reconstructing delta chains Matt Mackall <mpm@selenic.com> parents: 8317 diff changeset	796 if self._inline:
6b8513f8274a revlog: add cache priming for reconstructing delta chains Matt Mackall <mpm@selenic.com> parents: 8317 diff changeset	797 start += (startrev + 1) * self._io.size
8650 ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	798 return self._getchunk(start, length)
8318 6b8513f8274a revlog: add cache priming for reconstructing delta chains Matt Mackall <mpm@selenic.com> parents: 8317 diff changeset	799
8650 ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	800 def _chunk(self, rev):
ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	801 return decompress(self._chunkraw(rev, rev))
ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	802
ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	803 def _chunkclear(self):
ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	804 self._chunkcache = (0, '')
1598 14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	805
11929 1839a7518b0d revlog: deltachain() returns chain of revs need to construct a revision Pradeepkumar Gayam <in3xes@gmail.com> parents: 11928 diff changeset	806 def deltaparent(self, rev):
1839a7518b0d revlog: deltachain() returns chain of revs need to construct a revision Pradeepkumar Gayam <in3xes@gmail.com> parents: 11928 diff changeset	807 """return previous revision or parentrev according to flags"""
12011 f38b0a3308b6 deltaparent(): don't return nullrev for a revision containing a full snapshot Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12000 diff changeset	808 if self.flags(rev) & REVIDX_PARENTDELTA:
11929 1839a7518b0d revlog: deltachain() returns chain of revs need to construct a revision Pradeepkumar Gayam <in3xes@gmail.com> parents: 11928 diff changeset	809 return self.parentrevs(rev)[0]
1839a7518b0d revlog: deltachain() returns chain of revs need to construct a revision Pradeepkumar Gayam <in3xes@gmail.com> parents: 11928 diff changeset	810 else:
1839a7518b0d revlog: deltachain() returns chain of revs need to construct a revision Pradeepkumar Gayam <in3xes@gmail.com> parents: 11928 diff changeset	811 return rev - 1
1839a7518b0d revlog: deltachain() returns chain of revs need to construct a revision Pradeepkumar Gayam <in3xes@gmail.com> parents: 11928 diff changeset	812
1941 7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1853 diff changeset	813 def revdiff(self, rev1, rev2):
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1853 diff changeset	814 """return or calculate a delta between two revisions"""
12011 f38b0a3308b6 deltaparent(): don't return nullrev for a revision containing a full snapshot Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12000 diff changeset	815 if self.base(rev2) != rev2 and self.deltaparent(rev2) == rev1:
8650 ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	816 return self._chunk(rev2)
5005 72082bfced9a revlog: minor revdiff reorganization Matt Mackall <mpm@selenic.com> parents: 5004 diff changeset	817
72082bfced9a revlog: minor revdiff reorganization Matt Mackall <mpm@selenic.com> parents: 5004 diff changeset	818 return mdiff.textdiff(self.revision(self.node(rev1)),
72082bfced9a revlog: minor revdiff reorganization Matt Mackall <mpm@selenic.com> parents: 5004 diff changeset	819 self.revision(self.node(rev2)))
119 c7a66f9752a4 Add code to retrieve or construct a revlog delta mpm@selenic.com parents: 117 diff changeset	820
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	821 def revision(self, node):
6912 b92baef99ebf Fixed docstring typos Martin Geisler <mg@daimi.au.dk> parents: 6891 diff changeset	822 """return an uncompressed revision of a given node"""
11996 3195cf01dfb9 revlog.revision(): don't use nullrev as the default value for the cache Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11995 diff changeset	823 cachedrev = None
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	824 if node == nullid:
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	825 return ""
11930 12547cedc264 revlog: teach revlog to construct a revision from parentdeltas Pradeepkumar Gayam <in3xes@gmail.com> parents: 11929 diff changeset	826 if self._cache:
12547cedc264 revlog: teach revlog to construct a revision from parentdeltas Pradeepkumar Gayam <in3xes@gmail.com> parents: 11929 diff changeset	827 if self._cache[0] == node:
12547cedc264 revlog: teach revlog to construct a revision from parentdeltas Pradeepkumar Gayam <in3xes@gmail.com> parents: 11929 diff changeset	828 return self._cache[2]
11995 ff84cd2bdfaf revlog.revision(): minor cleanup Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11963 diff changeset	829 cachedrev = self._cache[1]
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	830
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	831 # look up what we need to read
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	832 text = None
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	833 rev = self.rev(node)
11995 ff84cd2bdfaf revlog.revision(): minor cleanup Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11963 diff changeset	834 base = self.base(rev)
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	835
5004 825516d16b25 revlog: move flag checking out of the offset fastpath Matt Mackall <mpm@selenic.com> parents: 4996 diff changeset	836 # check rev flags
11745 138c055ec57d revlog: add punched revision flag Vishakh H <vsh426@gmail.com> parents: 11693 diff changeset	837 if self.flags(rev) & ~REVIDX_KNOWN_FLAGS:
5312 fb070713ff36 revlog: more robust for damaged indexes Matt Mackall <mpm@selenic.com> parents: 5007 diff changeset	838 raise RevlogError(_('incompatible revision flag %x') %
11745 138c055ec57d revlog: add punched revision flag Vishakh H <vsh426@gmail.com> parents: 11693 diff changeset	839 (self.flags(rev) & ~REVIDX_KNOWN_FLAGS))
5004 825516d16b25 revlog: move flag checking out of the offset fastpath Matt Mackall <mpm@selenic.com> parents: 4996 diff changeset	840
11995 ff84cd2bdfaf revlog.revision(): minor cleanup Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11963 diff changeset	841 # build delta chain
11998 e789a811c21d revlog.revision(): inline deltachain computation Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11997 diff changeset	842 chain = []
e789a811c21d revlog.revision(): inline deltachain computation Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11997 diff changeset	843 index = self.index # for performance
e789a811c21d revlog.revision(): inline deltachain computation Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11997 diff changeset	844 iterrev = rev
e789a811c21d revlog.revision(): inline deltachain computation Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11997 diff changeset	845 e = index[iterrev]
e789a811c21d revlog.revision(): inline deltachain computation Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11997 diff changeset	846 while iterrev != base and iterrev != cachedrev:
e789a811c21d revlog.revision(): inline deltachain computation Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11997 diff changeset	847 chain.append(iterrev)
e789a811c21d revlog.revision(): inline deltachain computation Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11997 diff changeset	848 if e[0] & REVIDX_PARENTDELTA:
e789a811c21d revlog.revision(): inline deltachain computation Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11997 diff changeset	849 iterrev = e[5]
e789a811c21d revlog.revision(): inline deltachain computation Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11997 diff changeset	850 else:
e789a811c21d revlog.revision(): inline deltachain computation Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11997 diff changeset	851 iterrev -= 1
e789a811c21d revlog.revision(): inline deltachain computation Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11997 diff changeset	852 e = index[iterrev]
e789a811c21d revlog.revision(): inline deltachain computation Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11997 diff changeset	853 chain.reverse()
e789a811c21d revlog.revision(): inline deltachain computation Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11997 diff changeset	854 base = iterrev
11995 ff84cd2bdfaf revlog.revision(): minor cleanup Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11963 diff changeset	855
11998 e789a811c21d revlog.revision(): inline deltachain computation Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11997 diff changeset	856 if iterrev == cachedrev:
e789a811c21d revlog.revision(): inline deltachain computation Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11997 diff changeset	857 # cache hit
9420 d0db168136dc manifest/revlog: do not let the revlog cache mutable objects Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 9029 diff changeset	858 text = self._cache[2]
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	859
11754 6ccd130eab0e revlog: drop cache after use to save memory footprint Matt Mackall <mpm@selenic.com> parents: 11539 diff changeset	860 # drop cache to save memory
6ccd130eab0e revlog: drop cache after use to save memory footprint Matt Mackall <mpm@selenic.com> parents: 11539 diff changeset	861 self._cache = None
6ccd130eab0e revlog: drop cache after use to save memory footprint Matt Mackall <mpm@selenic.com> parents: 11539 diff changeset	862
8650 ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	863 self._chunkraw(base, rev)
ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	864 if text is None:
ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	865 text = self._chunk(base)
ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	866
11930 12547cedc264 revlog: teach revlog to construct a revision from parentdeltas Pradeepkumar Gayam <in3xes@gmail.com> parents: 11929 diff changeset	867 bins = [self._chunk(r) for r in chain]
4989 1aaed3d69772 revlog: eliminate diff and patches functions Matt Mackall <mpm@selenic.com> parents: 4988 diff changeset	868 text = mdiff.patches(text, bins)
13239 12ed25f39d0b revlog: break hash checking into subfunction Matt Mackall <mpm@selenic.com> parents: 13031 diff changeset	869
12ed25f39d0b revlog: break hash checking into subfunction Matt Mackall <mpm@selenic.com> parents: 13031 diff changeset	870 text = self._checkhash(text, node)
12ed25f39d0b revlog: break hash checking into subfunction Matt Mackall <mpm@selenic.com> parents: 13031 diff changeset	871
12ed25f39d0b revlog: break hash checking into subfunction Matt Mackall <mpm@selenic.com> parents: 13031 diff changeset	872 self._cache = (node, rev, text)
12ed25f39d0b revlog: break hash checking into subfunction Matt Mackall <mpm@selenic.com> parents: 13031 diff changeset	873 return text
12ed25f39d0b revlog: break hash checking into subfunction Matt Mackall <mpm@selenic.com> parents: 13031 diff changeset	874
12ed25f39d0b revlog: break hash checking into subfunction Matt Mackall <mpm@selenic.com> parents: 13031 diff changeset	875 def _checkhash(self, text, node):
1598 14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	876 p1, p2 = self.parents(node)
11745 138c055ec57d revlog: add punched revision flag Vishakh H <vsh426@gmail.com> parents: 11693 diff changeset	877 if (node != hash(text, p1, p2) and
138c055ec57d revlog: add punched revision flag Vishakh H <vsh426@gmail.com> parents: 11693 diff changeset	878 not (self.flags(rev) & REVIDX_PUNCHED_FLAG)):
1402 9d2c2e6b32b5 i18n part2: use '_' for all strings who are part of the user interface Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1400 diff changeset	879 raise RevlogError(_("integrity check failed on %s:%d")
8643 648af8a6aa41 revlog: report indexfile rather than datafile for integrity check Matt Mackall <mpm@selenic.com> parents: 8641 diff changeset	880 % (self.indexfile, rev))
515 03f27b1381f9 Whitespace cleanups mpm@selenic.com parents: 484 diff changeset	881 return text
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	882
2075 343aeefb553b Make the appendfile class inline-data index friendly mason@suse.com parents: 2073 diff changeset	883 def checkinlinesize(self, tr, fp=None):
10913 f2ecc5733c89 revlog: factor out _maxinline global. Greg Ward <greg-hg@gerg.ca> parents: 10404 diff changeset	884 if not self._inline or (self.start(-2) + self.length(-2)) < _maxinline:
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	885 return
8315 c8493310ad9b revlog: use index to find index size Matt Mackall <mpm@selenic.com> parents: 8314 diff changeset	886
2084 d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	887 trinfo = tr.find(self.indexfile)
8527 f9a80054dd3c use 'x is None' instead of 'x == None' Martin Geisler <mg@lazybytes.net> parents: 8464 diff changeset	888 if trinfo is None:
3680 69cf255a55a1 Indentation cleanups for 2956948b81f3. Thomas Arendsen Hein <thomas@intevation.de> parents: 3679 diff changeset	889 raise RevlogError(_("%s not found in the transaction")
69cf255a55a1 Indentation cleanups for 2956948b81f3. Thomas Arendsen Hein <thomas@intevation.de> parents: 3679 diff changeset	890 % self.indexfile)
2084 d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	891
d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	892 trindex = trinfo[2]
d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	893 dataoff = self.start(trindex)
d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	894
d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	895 tr.add(self.datafile, dataoff)
8315 c8493310ad9b revlog: use index to find index size Matt Mackall <mpm@selenic.com> parents: 8314 diff changeset	896
8317 5cdf4067857a revlog: use chunk cache to avoid rereading when splitting inline files Matt Mackall <mpm@selenic.com> parents: 8316 diff changeset	897 if fp:
5cdf4067857a revlog: use chunk cache to avoid rereading when splitting inline files Matt Mackall <mpm@selenic.com> parents: 8316 diff changeset	898 fp.flush()
5cdf4067857a revlog: use chunk cache to avoid rereading when splitting inline files Matt Mackall <mpm@selenic.com> parents: 8316 diff changeset	899 fp.close()
8315 c8493310ad9b revlog: use index to find index size Matt Mackall <mpm@selenic.com> parents: 8314 diff changeset	900
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	901 df = self.opener(self.datafile, 'w')
6261 7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	902 try:
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	903 for r in self:
8650 ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	904 df.write(self._chunkraw(r, r))
6261 7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	905 finally:
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	906 df.close()
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	907
2076 d007df6daf8e Create an atomic opener that does not automatically rename on close mason@suse.com parents: 2075 diff changeset	908 fp = self.opener(self.indexfile, 'w', atomictemp=True)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	909 self.version &= ~(REVLOGNGINLINEDATA)
4982 9672e3c42b0c revlog: change _inline from a function to a variable Matt Mackall <mpm@selenic.com> parents: 4981 diff changeset	910 self._inline = False
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	911 for i in self:
5338 f87685355c9c revlog: fix revlogio.packentry corner case Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5325 diff changeset	912 e = self._io.packentry(self.index[i], self.node, self.version, i)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	913 fp.write(e)
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	914
2076 d007df6daf8e Create an atomic opener that does not automatically rename on close mason@suse.com parents: 2075 diff changeset	915 # if we don't call rename, the temp file will never replace the
d007df6daf8e Create an atomic opener that does not automatically rename on close mason@suse.com parents: 2075 diff changeset	916 # real index
d007df6daf8e Create an atomic opener that does not automatically rename on close mason@suse.com parents: 2075 diff changeset	917 fp.rename()
2084 d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	918
8650 ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	919 tr.replace(self.indexfile, trindex * self._io.size)
ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	920 self._chunkclear()
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	921
11962 5f7ee3db3dd8 revlog._addrevision(): make the parent of the cached delta explicit Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11935 diff changeset	922 def addrevision(self, text, transaction, link, p1, p2, cachedelta=None):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	923 """add a revision to the log
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	924
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	925 text - the revision data to add
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	926 transaction - the transaction object used for rollback
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	927 link - the linkrev data to add
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	928 p1, p2 - the parent nodeids of the revision
12012 bade7a9c5c07 revlog: fix docstring Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12011 diff changeset	929 cachedelta - an optional precomputed delta
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	930 """
12023 44c22dc193a4 revlog.addrevision(): move computation of nodeid in addrevision() Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12012 diff changeset	931 node = hash(text, p1, p2)
44c22dc193a4 revlog.addrevision(): move computation of nodeid in addrevision() Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12012 diff changeset	932 if (node in self.nodemap and
44c22dc193a4 revlog.addrevision(): move computation of nodeid in addrevision() Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12012 diff changeset	933 (not self.flags(self.rev(node)) & REVIDX_PUNCHED_FLAG)):
44c22dc193a4 revlog.addrevision(): move computation of nodeid in addrevision() Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12012 diff changeset	934 return node
44c22dc193a4 revlog.addrevision(): move computation of nodeid in addrevision() Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12012 diff changeset	935
4981 e7131935fbb3 revlog: simplify addrevision Matt Mackall <mpm@selenic.com> parents: 4980 diff changeset	936 dfh = None
4982 9672e3c42b0c revlog: change _inline from a function to a variable Matt Mackall <mpm@selenic.com> parents: 4981 diff changeset	937 if not self._inline:
3390 a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	938 dfh = self.opener(self.datafile, "a")
a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	939 ifh = self.opener(self.indexfile, "a+")
6261 7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	940 try:
12023 44c22dc193a4 revlog.addrevision(): move computation of nodeid in addrevision() Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12012 diff changeset	941 return self._addrevision(node, text, transaction, link, p1, p2,
11962 5f7ee3db3dd8 revlog._addrevision(): make the parent of the cached delta explicit Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11935 diff changeset	942 cachedelta, ifh, dfh)
6261 7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	943 finally:
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	944 if dfh:
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	945 dfh.close()
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	946 ifh.close()
3390 a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	947
12023 44c22dc193a4 revlog.addrevision(): move computation of nodeid in addrevision() Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12012 diff changeset	948 def _addrevision(self, node, text, transaction, link, p1, p2,
11962 5f7ee3db3dd8 revlog._addrevision(): make the parent of the cached delta explicit Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11935 diff changeset	949 cachedelta, ifh, dfh):
12623 8f97b50a8d10 revlog._addrevision(): allow text argument to be None, build it lazily Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12336 diff changeset	950
12886 c25945a148c1 revlog: fix buildtext local scope Matt Mackall <mpm@selenic.com> parents: 12624 diff changeset	951 btext = [text]
c25945a148c1 revlog: fix buildtext local scope Matt Mackall <mpm@selenic.com> parents: 12624 diff changeset	952 def buildtext():
c25945a148c1 revlog: fix buildtext local scope Matt Mackall <mpm@selenic.com> parents: 12624 diff changeset	953 if btext[0] is not None:
c25945a148c1 revlog: fix buildtext local scope Matt Mackall <mpm@selenic.com> parents: 12624 diff changeset	954 return btext[0]
12623 8f97b50a8d10 revlog._addrevision(): allow text argument to be None, build it lazily Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12336 diff changeset	955 # flush any pending writes here so we can read it in revision
8f97b50a8d10 revlog._addrevision(): allow text argument to be None, build it lazily Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12336 diff changeset	956 if dfh:
8f97b50a8d10 revlog._addrevision(): allow text argument to be None, build it lazily Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12336 diff changeset	957 dfh.flush()
8f97b50a8d10 revlog._addrevision(): allow text argument to be None, build it lazily Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12336 diff changeset	958 ifh.flush()
8f97b50a8d10 revlog._addrevision(): allow text argument to be None, build it lazily Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12336 diff changeset	959 basetext = self.revision(self.node(cachedelta[0]))
12886 c25945a148c1 revlog: fix buildtext local scope Matt Mackall <mpm@selenic.com> parents: 12624 diff changeset	960 btext[0] = mdiff.patch(basetext, cachedelta[1])
c25945a148c1 revlog: fix buildtext local scope Matt Mackall <mpm@selenic.com> parents: 12624 diff changeset	961 chk = hash(btext[0], p1, p2)
12623 8f97b50a8d10 revlog._addrevision(): allow text argument to be None, build it lazily Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12336 diff changeset	962 if chk != node:
8f97b50a8d10 revlog._addrevision(): allow text argument to be None, build it lazily Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12336 diff changeset	963 raise RevlogError(_("consistency error in delta"))
12886 c25945a148c1 revlog: fix buildtext local scope Matt Mackall <mpm@selenic.com> parents: 12624 diff changeset	964 return btext[0]
12623 8f97b50a8d10 revlog._addrevision(): allow text argument to be None, build it lazily Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12336 diff changeset	965
12888 ad01fe38afe6 revlog: extract delta building to a subfunction Matt Mackall <mpm@selenic.com> parents: 12887 diff changeset	966 def builddelta(rev):
ad01fe38afe6 revlog: extract delta building to a subfunction Matt Mackall <mpm@selenic.com> parents: 12887 diff changeset	967 # can we use the cached delta?
ad01fe38afe6 revlog: extract delta building to a subfunction Matt Mackall <mpm@selenic.com> parents: 12887 diff changeset	968 if cachedelta and cachedelta[0] == rev:
ad01fe38afe6 revlog: extract delta building to a subfunction Matt Mackall <mpm@selenic.com> parents: 12887 diff changeset	969 delta = cachedelta[1]
ad01fe38afe6 revlog: extract delta building to a subfunction Matt Mackall <mpm@selenic.com> parents: 12887 diff changeset	970 else:
ad01fe38afe6 revlog: extract delta building to a subfunction Matt Mackall <mpm@selenic.com> parents: 12887 diff changeset	971 t = buildtext()
ad01fe38afe6 revlog: extract delta building to a subfunction Matt Mackall <mpm@selenic.com> parents: 12887 diff changeset	972 ptext = self.revision(self.node(rev))
ad01fe38afe6 revlog: extract delta building to a subfunction Matt Mackall <mpm@selenic.com> parents: 12887 diff changeset	973 delta = mdiff.textdiff(ptext, t)
ad01fe38afe6 revlog: extract delta building to a subfunction Matt Mackall <mpm@selenic.com> parents: 12887 diff changeset	974 data = compress(delta)
ad01fe38afe6 revlog: extract delta building to a subfunction Matt Mackall <mpm@selenic.com> parents: 12887 diff changeset	975 l = len(data[1]) + len(data[0])
ad01fe38afe6 revlog: extract delta building to a subfunction Matt Mackall <mpm@selenic.com> parents: 12887 diff changeset	976 base = self.base(rev)
ad01fe38afe6 revlog: extract delta building to a subfunction Matt Mackall <mpm@selenic.com> parents: 12887 diff changeset	977 dist = l + offset - self.start(base)
ad01fe38afe6 revlog: extract delta building to a subfunction Matt Mackall <mpm@selenic.com> parents: 12887 diff changeset	978 return dist, l, data, base
ad01fe38afe6 revlog: extract delta building to a subfunction Matt Mackall <mpm@selenic.com> parents: 12887 diff changeset	979
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	980 curr = len(self)
4981 e7131935fbb3 revlog: simplify addrevision Matt Mackall <mpm@selenic.com> parents: 4980 diff changeset	981 prev = curr - 1
11963 7c3aa579d98a parendelta: fix computation of base rev (fixes issue2337) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11962 diff changeset	982 base = curr
4981 e7131935fbb3 revlog: simplify addrevision Matt Mackall <mpm@selenic.com> parents: 4980 diff changeset	983 offset = self.end(prev)
11931 6051db1327f8 revlog: append delta against p1 Pradeepkumar Gayam <in3xes@gmail.com> parents: 11930 diff changeset	984 flags = 0
11962 5f7ee3db3dd8 revlog._addrevision(): make the parent of the cached delta explicit Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11935 diff changeset	985 d = None
12889 5482c6b826f4 revlog: precalculate p1 and p2 revisions Matt Mackall <mpm@selenic.com> parents: 12888 diff changeset	986 p1r, p2r = self.rev(p1), self.rev(p2)
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	987
11963 7c3aa579d98a parendelta: fix computation of base rev (fixes issue2337) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11962 diff changeset	988 # should we try to build a delta?
12890 b1c839659140 revlog: choose best delta for parentdelta (issue2466) Matt Mackall <mpm@selenic.com> parents: 12889 diff changeset	989 if prev != nullrev:
b1c839659140 revlog: choose best delta for parentdelta (issue2466) Matt Mackall <mpm@selenic.com> parents: 12889 diff changeset	990 d = builddelta(prev)
b1c839659140 revlog: choose best delta for parentdelta (issue2466) Matt Mackall <mpm@selenic.com> parents: 12889 diff changeset	991 if self._parentdelta and prev != p1r:
b1c839659140 revlog: choose best delta for parentdelta (issue2466) Matt Mackall <mpm@selenic.com> parents: 12889 diff changeset	992 d2 = builddelta(p1r)
b1c839659140 revlog: choose best delta for parentdelta (issue2466) Matt Mackall <mpm@selenic.com> parents: 12889 diff changeset	993 if d2 < d:
b1c839659140 revlog: choose best delta for parentdelta (issue2466) Matt Mackall <mpm@selenic.com> parents: 12889 diff changeset	994 d = d2
b1c839659140 revlog: choose best delta for parentdelta (issue2466) Matt Mackall <mpm@selenic.com> parents: 12889 diff changeset	995 flags = REVIDX_PARENTDELTA
12888 ad01fe38afe6 revlog: extract delta building to a subfunction Matt Mackall <mpm@selenic.com> parents: 12887 diff changeset	996 dist, l, data, base = d
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	997
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	998 # full versions are inserted when the needed deltas
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	999 # become comparable to the uncompressed text
11745 138c055ec57d revlog: add punched revision flag Vishakh H <vsh426@gmail.com> parents: 11693 diff changeset	1000 # or the base revision is punched
12623 8f97b50a8d10 revlog._addrevision(): allow text argument to be None, build it lazily Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12336 diff changeset	1001 if text is None:
8f97b50a8d10 revlog._addrevision(): allow text argument to be None, build it lazily Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12336 diff changeset	1002 textlen = mdiff.patchedsize(self.rawsize(cachedelta[0]),
8f97b50a8d10 revlog._addrevision(): allow text argument to be None, build it lazily Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12336 diff changeset	1003 cachedelta[1])
8f97b50a8d10 revlog._addrevision(): allow text argument to be None, build it lazily Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12336 diff changeset	1004 else:
8f97b50a8d10 revlog._addrevision(): allow text argument to be None, build it lazily Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12336 diff changeset	1005 textlen = len(text)
8f97b50a8d10 revlog._addrevision(): allow text argument to be None, build it lazily Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12336 diff changeset	1006 if (d is None or dist > textlen * 2 or
11745 138c055ec57d revlog: add punched revision flag Vishakh H <vsh426@gmail.com> parents: 11693 diff changeset	1007 (self.flags(base) & REVIDX_PUNCHED_FLAG)):
12886 c25945a148c1 revlog: fix buildtext local scope Matt Mackall <mpm@selenic.com> parents: 12624 diff changeset	1008 text = buildtext()
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1009 data = compress(text)
1533 3d11f81c9145 Reduce string duplication in compression code mason@suse.com parents: 1509 diff changeset	1010 l = len(data[1]) + len(data[0])
4981 e7131935fbb3 revlog: simplify addrevision Matt Mackall <mpm@selenic.com> parents: 4980 diff changeset	1011 base = curr
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1012
12623 8f97b50a8d10 revlog._addrevision(): allow text argument to be None, build it lazily Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12336 diff changeset	1013 e = (offset_type(offset, flags), l, textlen,
12889 5482c6b826f4 revlog: precalculate p1 and p2 revisions Matt Mackall <mpm@selenic.com> parents: 12888 diff changeset	1014 base, link, p1r, p2r, node)
4979 06abdaf78788 revlog: add a magic null revision to our index Matt Mackall <mpm@selenic.com> parents: 4978 diff changeset	1015 self.index.insert(-1, e)
4981 e7131935fbb3 revlog: simplify addrevision Matt Mackall <mpm@selenic.com> parents: 4980 diff changeset	1016 self.nodemap[node] = curr
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	1017
5338 f87685355c9c revlog: fix revlogio.packentry corner case Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5325 diff changeset	1018 entry = self._io.packentry(e, self.node, self.version, curr)
4982 9672e3c42b0c revlog: change _inline from a function to a variable Matt Mackall <mpm@selenic.com> parents: 4981 diff changeset	1019 if not self._inline:
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1020 transaction.add(self.datafile, offset)
4981 e7131935fbb3 revlog: simplify addrevision Matt Mackall <mpm@selenic.com> parents: 4980 diff changeset	1021 transaction.add(self.indexfile, curr * len(entry))
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1022 if data[0]:
3390 a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	1023 dfh.write(data[0])
a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	1024 dfh.write(data[1])
a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	1025 dfh.flush()
4981 e7131935fbb3 revlog: simplify addrevision Matt Mackall <mpm@selenic.com> parents: 4980 diff changeset	1026 ifh.write(entry)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1027 else:
4996 a0d37976cd5b revlog: avoid some unnecessary seek/tell syscalls Matt Mackall <mpm@selenic.com> parents: 4994 diff changeset	1028 offset += curr * self._io.size
5324 8409a2e3a78d revlog: fix inlined revision transaction extra data (issue 749) Patrick Mezard <pmezard@gmail.com> parents: 5007 diff changeset	1029 transaction.add(self.indexfile, offset, curr)
4981 e7131935fbb3 revlog: simplify addrevision Matt Mackall <mpm@selenic.com> parents: 4980 diff changeset	1030 ifh.write(entry)
3390 a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	1031 ifh.write(data[0])
a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	1032 ifh.write(data[1])
a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	1033 self.checkinlinesize(transaction, ifh)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1034
9420 d0db168136dc manifest/revlog: do not let the revlog cache mutable objects Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 9029 diff changeset	1035 if type(text) == str: # only accept immutable objects
d0db168136dc manifest/revlog: do not let the revlog cache mutable objects Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 9029 diff changeset	1036 self._cache = (node, curr, text)
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1037 return node
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1038
11999 62e2bbf523f2 revlog: generate full revisions when parent node is missing Vishakh H <vsh426@gmail.com> parents: 11998 diff changeset	1039 def group(self, nodelist, lookup, infocollect=None, fullrev=False):
9437 1c4e4004f3a6 Improve some docstrings relating to changegroups and prepush(). Greg Ward <greg-hg@gerg.ca> parents: 9420 diff changeset	1040 """Calculate a delta group, yielding a sequence of changegroup chunks
1c4e4004f3a6 Improve some docstrings relating to changegroups and prepush(). Greg Ward <greg-hg@gerg.ca> parents: 9420 diff changeset	1041 (strings).
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1042
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1043 Given a list of changeset revs, return a set of deltas and
11999 62e2bbf523f2 revlog: generate full revisions when parent node is missing Vishakh H <vsh426@gmail.com> parents: 11998 diff changeset	1044 metadata corresponding to nodes. The first delta is
62e2bbf523f2 revlog: generate full revisions when parent node is missing Vishakh H <vsh426@gmail.com> parents: 11998 diff changeset	1045 first parent(nodelist[0]) -> nodelist[0], the receiver is
62e2bbf523f2 revlog: generate full revisions when parent node is missing Vishakh H <vsh426@gmail.com> parents: 11998 diff changeset	1046 guaranteed to have this parent as it has all history before
62e2bbf523f2 revlog: generate full revisions when parent node is missing Vishakh H <vsh426@gmail.com> parents: 11998 diff changeset	1047 these changesets. In the case firstparent is nullrev the
62e2bbf523f2 revlog: generate full revisions when parent node is missing Vishakh H <vsh426@gmail.com> parents: 11998 diff changeset	1048 changegroup starts with a full revision.
62e2bbf523f2 revlog: generate full revisions when parent node is missing Vishakh H <vsh426@gmail.com> parents: 11998 diff changeset	1049 fullrev forces the insertion of the full revision, necessary
62e2bbf523f2 revlog: generate full revisions when parent node is missing Vishakh H <vsh426@gmail.com> parents: 11998 diff changeset	1050 in the case of shallow clones where the first parent might
62e2bbf523f2 revlog: generate full revisions when parent node is missing Vishakh H <vsh426@gmail.com> parents: 11998 diff changeset	1051 not exist at the reciever.
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1052 """
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1053
8634 7659eecd9da2 changegroup: the node list might be an empty generator (fix issue1678) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8624 diff changeset	1054 revs = [self.rev(n) for n in nodelist]
7659eecd9da2 changegroup: the node list might be an empty generator (fix issue1678) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8624 diff changeset	1055
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1056 # if we don't have any revisions touched by these changesets, bail
8634 7659eecd9da2 changegroup: the node list might be an empty generator (fix issue1678) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8624 diff changeset	1057 if not revs:
1981 736b6c96bbbc make incoming work via ssh (issue139); move chunk code into separate module. Thomas Arendsen Hein <thomas@intevation.de> parents: 1941 diff changeset	1058 yield changegroup.closechunk()
192 5d8553352d2e Changes to network protocol mpm@selenic.com parents: 155 diff changeset	1059 return
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1060
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1061 # add the parent of the first rev
8391 27bffd81d265 revlog: slightly tune group() by not going rev->node->rev Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 8318 diff changeset	1062 p = self.parentrevs(revs[0])[0]
27bffd81d265 revlog: slightly tune group() by not going rev->node->rev Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 8318 diff changeset	1063 revs.insert(0, p)
11999 62e2bbf523f2 revlog: generate full revisions when parent node is missing Vishakh H <vsh426@gmail.com> parents: 11998 diff changeset	1064 if p == nullrev:
62e2bbf523f2 revlog: generate full revisions when parent node is missing Vishakh H <vsh426@gmail.com> parents: 11998 diff changeset	1065 fullrev = True
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1066
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1067 # build deltas
8624 2b3dec0ef3ae replace xrange(0, n) with xrange(n) Martin Geisler <mg@lazybytes.net> parents: 8619 diff changeset	1068 for d in xrange(len(revs) - 1):
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1069 a, b = revs[d], revs[d + 1]
1598 14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	1070 nb = self.node(b)
192 5d8553352d2e Changes to network protocol mpm@selenic.com parents: 155 diff changeset	1071
1458 1033892bbb87 This changes the revlog.group and re-implements the localrepo.changeroup Eric Hopper <hopper@omnifarious.org> parents: 1457 diff changeset	1072 if infocollect is not None:
1598 14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	1073 infocollect(nb)
1458 1033892bbb87 This changes the revlog.group and re-implements the localrepo.changeroup Eric Hopper <hopper@omnifarious.org> parents: 1457 diff changeset	1074
1598 14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	1075 p = self.parents(nb)
14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	1076 meta = nb + p[0] + p[1] + lookup(nb)
11999 62e2bbf523f2 revlog: generate full revisions when parent node is missing Vishakh H <vsh426@gmail.com> parents: 11998 diff changeset	1077 if fullrev:
5367 7530334bf301 revlog: generate trivial deltas against null revision Matt Mackall <mpm@selenic.com> parents: 5338 diff changeset	1078 d = self.revision(nb)
7530334bf301 revlog: generate trivial deltas against null revision Matt Mackall <mpm@selenic.com> parents: 5338 diff changeset	1079 meta += mdiff.trivialdiffheader(len(d))
11999 62e2bbf523f2 revlog: generate full revisions when parent node is missing Vishakh H <vsh426@gmail.com> parents: 11998 diff changeset	1080 fullrev = False
5367 7530334bf301 revlog: generate trivial deltas against null revision Matt Mackall <mpm@selenic.com> parents: 5338 diff changeset	1081 else:
7530334bf301 revlog: generate trivial deltas against null revision Matt Mackall <mpm@selenic.com> parents: 5338 diff changeset	1082 d = self.revdiff(a, b)
5368 61462e7d62ed changegroup: avoid large copies Matt Mackall <mpm@selenic.com> parents: 5367 diff changeset	1083 yield changegroup.chunkheader(len(meta) + len(d))
61462e7d62ed changegroup: avoid large copies Matt Mackall <mpm@selenic.com> parents: 5367 diff changeset	1084 yield meta
11670 1b3b843e1100 chunkbuffer: split big strings directly in chunkbuffer Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 11550 diff changeset	1085 yield d
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1086
1981 736b6c96bbbc make incoming work via ssh (issue139); move chunk code into separate module. Thomas Arendsen Hein <thomas@intevation.de> parents: 1941 diff changeset	1087 yield changegroup.closechunk()
192 5d8553352d2e Changes to network protocol mpm@selenic.com parents: 155 diff changeset	1088
12335 e21fe9c5fb25 bundle: get rid of chunkiter Matt Mackall <mpm@selenic.com> parents: 12025 diff changeset	1089 def addgroup(self, bundle, linkmapper, transaction):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1090 """
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1091 add a delta group
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1092
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1093 given a set of deltas, add them to the revision log. the
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1094 first delta is against its parent, which should be in our
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1095 log, the rest are against the previous delta.
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1096 """
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1097
12624 557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	1098 # track the base of the current delta log
2002 4aab906517c6 Calling revlog.addgroup with an empty changegroup now raises RevlogError. Thomas Arendsen Hein <thomas@intevation.de> parents: 1981 diff changeset	1099 node = None
515 03f27b1381f9 Whitespace cleanups mpm@selenic.com parents: 484 diff changeset	1100
12624 557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	1101 r = len(self)
557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	1102 end = 0
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1103 if r:
12624 557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	1104 end = self.end(r - 1)
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1105 ifh = self.opener(self.indexfile, "a+")
4996 a0d37976cd5b revlog: avoid some unnecessary seek/tell syscalls Matt Mackall <mpm@selenic.com> parents: 4994 diff changeset	1106 isize = r * self._io.size
4982 9672e3c42b0c revlog: change _inline from a function to a variable Matt Mackall <mpm@selenic.com> parents: 4981 diff changeset	1107 if self._inline:
4996 a0d37976cd5b revlog: avoid some unnecessary seek/tell syscalls Matt Mackall <mpm@selenic.com> parents: 4994 diff changeset	1108 transaction.add(self.indexfile, end + isize, r)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1109 dfh = None
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1110 else:
4996 a0d37976cd5b revlog: avoid some unnecessary seek/tell syscalls Matt Mackall <mpm@selenic.com> parents: 4994 diff changeset	1111 transaction.add(self.indexfile, isize, r)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1112 transaction.add(self.datafile, end)
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1113 dfh = self.opener(self.datafile, "a")
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1114
6261 7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	1115 try:
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	1116 # loop through our set of deltas
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	1117 chain = None
12335 e21fe9c5fb25 bundle: get rid of chunkiter Matt Mackall <mpm@selenic.com> parents: 12025 diff changeset	1118 while 1:
12336 9d234f7d8a77 bundle: move chunk parsing into unbundle class Matt Mackall <mpm@selenic.com> parents: 12335 diff changeset	1119 chunkdata = bundle.parsechunk()
9d234f7d8a77 bundle: move chunk parsing into unbundle class Matt Mackall <mpm@selenic.com> parents: 12335 diff changeset	1120 if not chunkdata:
12335 e21fe9c5fb25 bundle: get rid of chunkiter Matt Mackall <mpm@selenic.com> parents: 12025 diff changeset	1121 break
12336 9d234f7d8a77 bundle: move chunk parsing into unbundle class Matt Mackall <mpm@selenic.com> parents: 12335 diff changeset	1122 node = chunkdata['node']
9d234f7d8a77 bundle: move chunk parsing into unbundle class Matt Mackall <mpm@selenic.com> parents: 12335 diff changeset	1123 p1 = chunkdata['p1']
9d234f7d8a77 bundle: move chunk parsing into unbundle class Matt Mackall <mpm@selenic.com> parents: 12335 diff changeset	1124 p2 = chunkdata['p2']
9d234f7d8a77 bundle: move chunk parsing into unbundle class Matt Mackall <mpm@selenic.com> parents: 12335 diff changeset	1125 cs = chunkdata['cs']
9d234f7d8a77 bundle: move chunk parsing into unbundle class Matt Mackall <mpm@selenic.com> parents: 12335 diff changeset	1126 delta = chunkdata['data']
9d234f7d8a77 bundle: move chunk parsing into unbundle class Matt Mackall <mpm@selenic.com> parents: 12335 diff changeset	1127
6261 7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	1128 link = linkmapper(cs)
12000 3361075816f8 revlog: addgroup re-adds punched revisions for missing parents Vishakh H <vsh426@gmail.com> parents: 11999 diff changeset	1129 if (node in self.nodemap and
3361075816f8 revlog: addgroup re-adds punched revisions for missing parents Vishakh H <vsh426@gmail.com> parents: 11999 diff changeset	1130 (not self.flags(self.rev(node)) & REVIDX_PUNCHED_FLAG)):
6261 7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	1131 # this can happen if two branches make the same change
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	1132 chain = node
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	1133 continue
192 5d8553352d2e Changes to network protocol mpm@selenic.com parents: 155 diff changeset	1134
6261 7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	1135 for p in (p1, p2):
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	1136 if not p in self.nodemap:
12000 3361075816f8 revlog: addgroup re-adds punched revisions for missing parents Vishakh H <vsh426@gmail.com> parents: 11999 diff changeset	1137 if self._shallow:
3361075816f8 revlog: addgroup re-adds punched revisions for missing parents Vishakh H <vsh426@gmail.com> parents: 11999 diff changeset	1138 # add null entries for missing parents
12624 557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	1139 # XXX FIXME
557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	1140 #if base == nullrev:
557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	1141 # base = len(self)
557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	1142 #e = (offset_type(end, REVIDX_PUNCHED_FLAG),
557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	1143 # 0, 0, base, nullrev, nullrev, nullrev, p)
557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	1144 #self.index.insert(-1, e)
557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	1145 #self.nodemap[p] = r
557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	1146 #entry = self._io.packentry(e, self.node,
557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	1147 # self.version, r)
557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	1148 #ifh.write(entry)
557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	1149 #t, r = r, r + 1
557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	1150 raise LookupError(p, self.indexfile,
557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	1151 _('unknown parent'))
12000 3361075816f8 revlog: addgroup re-adds punched revisions for missing parents Vishakh H <vsh426@gmail.com> parents: 11999 diff changeset	1152 else:
3361075816f8 revlog: addgroup re-adds punched revisions for missing parents Vishakh H <vsh426@gmail.com> parents: 11999 diff changeset	1153 raise LookupError(p, self.indexfile,
3361075816f8 revlog: addgroup re-adds punched revisions for missing parents Vishakh H <vsh426@gmail.com> parents: 11999 diff changeset	1154 _('unknown parent'))
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1155
6261 7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	1156 if not chain:
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	1157 # retrieve the parent revision of the delta chain
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	1158 chain = p1
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	1159 if not chain in self.nodemap:
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	1160 raise LookupError(chain, self.indexfile, _('unknown base'))
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1161
12624 557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	1162 chainrev = self.rev(chain)
557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	1163 chain = self._addrevision(node, None, transaction, link,
557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	1164 p1, p2, (chainrev, delta), ifh, dfh)
557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	1165 if not dfh and not self._inline:
557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	1166 # addrevision switched from inline to conventional
557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	1167 # reopen the index
557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	1168 dfh = self.opener(self.datafile, "a")
557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	1169 ifh = self.opener(self.indexfile, "a")
6261 7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	1170 finally:
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	1171 if dfh:
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	1172 dfh.close()
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	1173 ifh.close()
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1174
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1175 return node
1493 1a216cb4ee64 verify: add check for mismatch of index and data length Matt Mackall <mpm@selenic.com> parents: 1469 diff changeset	1176
8073 e8a28556a0a8 strip: make repair.strip transactional to avoid repository corruption Henrik Stuart <henrik.stuart@edlund.dk> parents: 8017 diff changeset	1177 def strip(self, minlink, transaction):
5910 b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	1178 """truncate the revlog on the first revision with a linkrev >= minlink
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	1179
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	1180 This function is called when we're stripping revision minlink and
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	1181 its descendants from the repository.
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	1182
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	1183 We have to remove all revisions with linkrev >= minlink, because
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	1184 the equivalent changelog revisions will be renumbered after the
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	1185 strip.
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	1186
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	1187 So we truncate the revlog on the first of these revisions, and
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	1188 trust that the caller has saved the revisions that shouldn't be
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	1189 removed and that it'll readd them after this truncation.
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	1190 """
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	1191 if len(self) == 0:
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1192 return
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1193
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	1194 for rev in self:
5909 f45f7390c1c5 strip: calculate list of extra nodes to save and pass it to changegroupsubset Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5659 diff changeset	1195 if self.index[rev][4] >= minlink:
f45f7390c1c5 strip: calculate list of extra nodes to save and pass it to changegroupsubset Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5659 diff changeset	1196 break
f45f7390c1c5 strip: calculate list of extra nodes to save and pass it to changegroupsubset Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5659 diff changeset	1197 else:
f45f7390c1c5 strip: calculate list of extra nodes to save and pass it to changegroupsubset Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5659 diff changeset	1198 return
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1199
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1200 # first truncate the files on disk
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1201 end = self.start(rev)
4982 9672e3c42b0c revlog: change _inline from a function to a variable Matt Mackall <mpm@selenic.com> parents: 4981 diff changeset	1202 if not self._inline:
8073 e8a28556a0a8 strip: make repair.strip transactional to avoid repository corruption Henrik Stuart <henrik.stuart@edlund.dk> parents: 8017 diff changeset	1203 transaction.add(self.datafile, end)
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	1204 end = rev * self._io.size
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1205 else:
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	1206 end += rev * self._io.size
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1207
8073 e8a28556a0a8 strip: make repair.strip transactional to avoid repository corruption Henrik Stuart <henrik.stuart@edlund.dk> parents: 8017 diff changeset	1208 transaction.add(self.indexfile, end)
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1209
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1210 # then reset internal state in memory to forget those revisions
4984 b4066fcbd6ba revlog: mark cache private Matt Mackall <mpm@selenic.com> parents: 4983 diff changeset	1211 self._cache = None
8650 ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	1212 self._chunkclear()
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	1213 for x in xrange(rev, len(self)):
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1214 del self.nodemap[self.node(x)]
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1215
4979 06abdaf78788 revlog: add a magic null revision to our index Matt Mackall <mpm@selenic.com> parents: 4978 diff changeset	1216 del self.index[rev:-1]
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1217
1493 1a216cb4ee64 verify: add check for mismatch of index and data length Matt Mackall <mpm@selenic.com> parents: 1469 diff changeset	1218 def checksize(self):
1a216cb4ee64 verify: add check for mismatch of index and data length Matt Mackall <mpm@selenic.com> parents: 1469 diff changeset	1219 expected = 0
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	1220 if len(self):
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	1221 expected = max(0, self.end(len(self) - 1))
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1222
1494 249ca10d37f4 Handle empty logs in repo.checksize Matt Mackall <mpm@selenic.com> parents: 1493 diff changeset	1223 try:
249ca10d37f4 Handle empty logs in repo.checksize Matt Mackall <mpm@selenic.com> parents: 1493 diff changeset	1224 f = self.opener(self.datafile)
249ca10d37f4 Handle empty logs in repo.checksize Matt Mackall <mpm@selenic.com> parents: 1493 diff changeset	1225 f.seek(0, 2)
249ca10d37f4 Handle empty logs in repo.checksize Matt Mackall <mpm@selenic.com> parents: 1493 diff changeset	1226 actual = f.tell()
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1227 dd = actual - expected
1494 249ca10d37f4 Handle empty logs in repo.checksize Matt Mackall <mpm@selenic.com> parents: 1493 diff changeset	1228 except IOError, inst:
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1229 if inst.errno != errno.ENOENT:
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1230 raise
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1231 dd = 0
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1232
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1233 try:
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1234 f = self.opener(self.indexfile)
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1235 f.seek(0, 2)
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1236 actual = f.tell()
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	1237 s = self._io.size
9029 0001e49f1c11 compat: use // for integer division Alejandro Santos <alejolp@alejolp.com> parents: 8658 diff changeset	1238 i = max(0, actual // s)
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1239 di = actual - (i * s)
4982 9672e3c42b0c revlog: change _inline from a function to a variable Matt Mackall <mpm@selenic.com> parents: 4981 diff changeset	1240 if self._inline:
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1241 databytes = 0
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	1242 for r in self:
5312 fb070713ff36 revlog: more robust for damaged indexes Matt Mackall <mpm@selenic.com> parents: 5007 diff changeset	1243 databytes += max(0, self.length(r))
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1244 dd = 0
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	1245 di = actual - len(self) * s - databytes
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1246 except IOError, inst:
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1247 if inst.errno != errno.ENOENT:
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1248 raise
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1249 di = 0
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1250
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1251 return (dd, di)
6891 22cb82433842 revlog: add files method Adrian Buehlmann <adrian@cadifra.com> parents: 6872 diff changeset	1252
22cb82433842 revlog: add files method Adrian Buehlmann <adrian@cadifra.com> parents: 6872 diff changeset	1253 def files(self):
10282 08a0f04b56bd many, many trivial check-code fixups Matt Mackall <mpm@selenic.com> parents: 10264 diff changeset	1254 res = [self.indexfile]
6891 22cb82433842 revlog: add files method Adrian Buehlmann <adrian@cadifra.com> parents: 6872 diff changeset	1255 if not self._inline:
22cb82433842 revlog: add files method Adrian Buehlmann <adrian@cadifra.com> parents: 6872 diff changeset	1256 res.append(self.datafile)
22cb82433842 revlog: add files method Adrian Buehlmann <adrian@cadifra.com> parents: 6872 diff changeset	1257 return res

Mercurial > public > mercurial-scm > hg-stable

annotate mercurial/revlog.py @ 13265:04b302ce2781