mercurial-crew-with-dirclash: mercurial/revlog.py annotate

annotate mercurial/revlog.py @ 4980:fc44c8df9d99

revlog: some codingstyle cleanups

author	Matt Mackall <mpm@selenic.com>
date	Mon, 23 Jul 2007 20:44:08 -0500
parents	06abdaf78788
children	e7131935fbb3

rev	line source
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1 """
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2 revlog.py - storage back-end for mercurial
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	3
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	4 This provides efficient delta storage with O(1) retrieve and append
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	5 and O(changes) merge between branches
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	6
4635 63b9d2deed48 Updated copyright notices and add "and others" to "hg version" Thomas Arendsen Hein <thomas@intevation.de> parents: 4497 diff changeset	7 Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	8
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	9 This software may be used and distributed according to the terms
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	10 of the GNU General Public License, incorporated herein by reference.
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	11 """
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	12
1089 142b5d5ec9cc Break apart hg.py mpm@selenic.com parents: 1083 diff changeset	13 from node import *
3893 6b4127c7d52a Simplify i18n imports Matt Mackall <mpm@selenic.com> parents: 3886 diff changeset	14 from i18n import _
3886 abaee83ce0a6 Replace demandload with new demandimport Matt Mackall <mpm@selenic.com> parents: 3755 diff changeset	15 import binascii, changegroup, errno, ancestor, mdiff, os
abaee83ce0a6 Replace demandload with new demandimport Matt Mackall <mpm@selenic.com> parents: 3755 diff changeset	16 import sha, struct, util, zlib
36 da28286bf6b7 Add smart node lookup by substring or by rev number mpm@selenic.com parents: 26 diff changeset	17
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	18 # revlog version strings
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	19 REVLOGV0 = 0
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	20 REVLOGNG = 1
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	21
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	22 # revlog flags
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	23 REVLOGNGINLINEDATA = (1 << 16)
2222 c9e264b115e6 Use revlogng and inlined data files by default mason@suse.com parents: 2177 diff changeset	24 REVLOG_DEFAULT_FLAGS = REVLOGNGINLINEDATA
c9e264b115e6 Use revlogng and inlined data files by default mason@suse.com parents: 2177 diff changeset	25
c9e264b115e6 Use revlogng and inlined data files by default mason@suse.com parents: 2177 diff changeset	26 REVLOG_DEFAULT_FORMAT = REVLOGNG
c9e264b115e6 Use revlogng and inlined data files by default mason@suse.com parents: 2177 diff changeset	27 REVLOG_DEFAULT_VERSION = REVLOG_DEFAULT_FORMAT \| REVLOG_DEFAULT_FLAGS
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	28
1091 d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	29 def hash(text, p1, p2):
d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	30 """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	31
d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	32 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	33 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	34 content in the revision graph.
d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	35 """
d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	36 l = [p1, p2]
d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	37 l.sort()
d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	38 s = sha.new(l[0])
d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	39 s.update(l[1])
d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	40 s.update(text)
d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	41 return s.digest()
d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	42
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	43 def compress(text):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	44 """ generate a possibly-compressed representation of text """
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	45 if not text:
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	46 return ("", text)
112 aea6562add6c Make compression more intelligent: mpm@selenic.com parents: 98 diff changeset	47 if len(text) < 44:
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	48 if text[0] == '\0':
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	49 return ("", text)
1533 3d11f81c9145 Reduce string duplication in compression code mason@suse.com parents: 1509 diff changeset	50 return ('u', text)
112 aea6562add6c Make compression more intelligent: mpm@selenic.com parents: 98 diff changeset	51 bin = zlib.compress(text)
aea6562add6c Make compression more intelligent: mpm@selenic.com parents: 98 diff changeset	52 if len(bin) > len(text):
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	53 if text[0] == '\0':
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	54 return ("", text)
1533 3d11f81c9145 Reduce string duplication in compression code mason@suse.com parents: 1509 diff changeset	55 return ('u', text)
3d11f81c9145 Reduce string duplication in compression code mason@suse.com parents: 1509 diff changeset	56 return ("", bin)
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	57
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	58 def decompress(bin):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	59 """ decompress the given input """
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	60 if not bin:
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	61 return bin
112 aea6562add6c Make compression more intelligent: mpm@selenic.com parents: 98 diff changeset	62 t = bin[0]
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	63 if t == '\0':
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	64 return bin
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	65 if t == 'x':
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	66 return zlib.decompress(bin)
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	67 if t == 'u':
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	68 return bin[1:]
1853 5ac811b720de Fix some problems when working on broken repositories: Thomas Arendsen Hein <thomas@intevation.de> parents: 1784 diff changeset	69 raise RevlogError(_("unknown compression type %r") % t)
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	70
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	71 indexformatv0 = ">4l20s20s20s"
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	72 v0shaoffset = 56
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	73 # index ng:
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	74 # 6 bytes offset
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	75 # 2 bytes flags
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	76 # 4 bytes compressed length
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	77 # 4 bytes uncompressed length
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	78 # 4 bytes: base rev
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	79 # 4 bytes link rev
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	80 # 4 bytes parent 1 rev
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	81 # 4 bytes parent 2 rev
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	82 # 32 bytes: nodeid
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	83 indexformatng = ">Qiiiiii20s12x"
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	84 ngshaoffset = 32
3755 05120e210c65 Use unsigned version format. Thomas Arendsen Hein <thomas@intevation.de> parents: 3754 diff changeset	85 versionformat = ">I"
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	86
1559 59b3639df0a9 Convert all classes to new-style classes by deriving them from object. Eric Hopper <hopper@omnifarious.org> parents: 1551 diff changeset	87 class lazyparser(object):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	88 """
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	89 this class avoids the need to parse the entirety of large indices
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	90 """
2250 45aef5ddcdbe windows: revlog.lazyparser not always safe to use. Vadim Gelfer <vadim.gelfer@gmail.com> parents: 2222 diff changeset	91
45aef5ddcdbe windows: revlog.lazyparser not always safe to use. Vadim Gelfer <vadim.gelfer@gmail.com> parents: 2222 diff changeset	92 # lazyparser is not safe to use on windows if win32 extensions not
45aef5ddcdbe windows: revlog.lazyparser not always safe to use. Vadim Gelfer <vadim.gelfer@gmail.com> parents: 2222 diff changeset	93 # available. it keeps file handle open, which make it not possible
45aef5ddcdbe windows: revlog.lazyparser not always safe to use. Vadim Gelfer <vadim.gelfer@gmail.com> parents: 2222 diff changeset	94 # to break hardlinks on local cloned repos.
45aef5ddcdbe windows: revlog.lazyparser not always safe to use. Vadim Gelfer <vadim.gelfer@gmail.com> parents: 2222 diff changeset	95 safe_to_use = os.name != 'nt' or (not util.is_win_9x() and
45aef5ddcdbe windows: revlog.lazyparser not always safe to use. Vadim Gelfer <vadim.gelfer@gmail.com> parents: 2222 diff changeset	96 hasattr(util, 'win32api'))
45aef5ddcdbe windows: revlog.lazyparser not always safe to use. Vadim Gelfer <vadim.gelfer@gmail.com> parents: 2222 diff changeset	97
4976 79c39cc9ff69 revlog: only allow lazy parsing with revlogng files Matt Mackall <mpm@selenic.com> parents: 4975 diff changeset	98 def __init__(self, dataf, size):
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	99 self.dataf = dataf
4976 79c39cc9ff69 revlog: only allow lazy parsing with revlogng files Matt Mackall <mpm@selenic.com> parents: 4975 diff changeset	100 self.s = struct.calcsize(indexformatng)
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	101 self.datasize = size
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	102 self.l = size/self.s
76 d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files mpm@selenic.com parents: 73 diff changeset	103 self.index = [None] * self.l
3578 3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1. Thomas Arendsen Hein <thomas@intevation.de> parents: 3505 diff changeset	104 self.map = {nullid: nullrev}
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	105 self.allmap = 0
323 c6f0673ab7e9 lazyparser speed ups mpm@selenic.com parents: 306 diff changeset	106 self.all = 0
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	107 self.mapfind_count = 0
76 d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files mpm@selenic.com parents: 73 diff changeset	108
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	109 def loadmap(self):
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	110 """
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	111 during a commit, we need to make sure the rev being added is
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	112 not a duplicate. This requires loading the entire index,
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	113 which is fairly slow. loadmap can load up just the node map,
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	114 which takes much less time.
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	115 """
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	116 if self.allmap:
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	117 return
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	118 end = self.datasize
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	119 self.allmap = 1
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	120 cur = 0
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	121 count = 0
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	122 blocksize = self.s * 256
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	123 self.dataf.seek(0)
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	124 while cur < end:
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	125 data = self.dataf.read(blocksize)
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	126 off = 0
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	127 for x in xrange(256):
4976 79c39cc9ff69 revlog: only allow lazy parsing with revlogng files Matt Mackall <mpm@selenic.com> parents: 4975 diff changeset	128 n = data[off + ngshaoffset:off + ngshaoffset + 20]
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	129 self.map[n] = count
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	130 count += 1
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	131 if count >= self.l:
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	132 break
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	133 off += self.s
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	134 cur += blocksize
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	135
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	136 def loadblock(self, blockstart, blocksize, data=None):
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	137 if self.all:
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	138 return
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	139 if data is None:
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	140 self.dataf.seek(blockstart)
3075 baa3873eb387 don't let lazyparser read more data than it can handle Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 2910 diff changeset	141 if blockstart + blocksize > self.datasize:
baa3873eb387 don't let lazyparser read more data than it can handle Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 2910 diff changeset	142 # the revlog may have grown since we've started running,
baa3873eb387 don't let lazyparser read more data than it can handle Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 2910 diff changeset	143 # but we don't have space in self.index for more entries.
baa3873eb387 don't let lazyparser read more data than it can handle Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 2910 diff changeset	144 # limit blocksize so that we don't get too much data.
3086 e7fc04dc6349 Avoid negative block sizes in lazyparser. Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3075 diff changeset	145 blocksize = max(self.datasize - blockstart, 0)
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	146 data = self.dataf.read(blocksize)
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	147 lend = len(data) / self.s
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	148 i = blockstart / self.s
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	149 off = 0
4061 40030c1b6bc6 lazyindex: handle __delitem__ in loadblock Brendan Cully <brendan@kublai.com> parents: 3930 diff changeset	150 # lazyindex supports __delitem__
40030c1b6bc6 lazyindex: handle __delitem__ in loadblock Brendan Cully <brendan@kublai.com> parents: 3930 diff changeset	151 if lend > len(self.index) - i:
40030c1b6bc6 lazyindex: handle __delitem__ in loadblock Brendan Cully <brendan@kublai.com> parents: 3930 diff changeset	152 lend = len(self.index) - i
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	153 for x in xrange(lend):
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	154 if self.index[i + x] == None:
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	155 b = data[off : off + self.s]
2080 1cbb14c048cb Reduce index memory usage by storing the bare string instead of tuples mason@suse.com parents: 2079 diff changeset	156 self.index[i + x] = b
4976 79c39cc9ff69 revlog: only allow lazy parsing with revlogng files Matt Mackall <mpm@selenic.com> parents: 4975 diff changeset	157 n = b[ngshaoffset:ngshaoffset + 20]
2080 1cbb14c048cb Reduce index memory usage by storing the bare string instead of tuples mason@suse.com parents: 2079 diff changeset	158 self.map[n] = i + x
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	159 off += self.s
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	160
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	161 def findnode(self, node):
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	162 """search backwards through the index file for a specific node"""
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	163 if self.allmap:
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	164 return None
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	165
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	166 # hg log will cause many many searches for the manifest
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	167 # nodes. After we get called a few times, just load the whole
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	168 # thing.
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	169 if self.mapfind_count > 8:
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	170 self.loadmap()
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	171 if node in self.map:
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	172 return node
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	173 return None
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	174 self.mapfind_count += 1
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	175 last = self.l - 1
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	176 while self.index[last] != None:
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	177 if last == 0:
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	178 self.all = 1
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	179 self.allmap = 1
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	180 return None
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	181 last -= 1
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	182 end = (last + 1) * self.s
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	183 blocksize = self.s * 256
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	184 while end >= 0:
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	185 start = max(end - blocksize, 0)
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	186 self.dataf.seek(start)
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	187 data = self.dataf.read(end - start)
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	188 findend = end - start
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	189 while True:
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	190 # we're searching backwards, so weh have to make sure
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	191 # we don't find a changeset where this node is a parent
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	192 off = data.rfind(node, 0, findend)
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	193 findend = off
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	194 if off >= 0:
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	195 i = off / self.s
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	196 off = i * self.s
4976 79c39cc9ff69 revlog: only allow lazy parsing with revlogng files Matt Mackall <mpm@selenic.com> parents: 4975 diff changeset	197 n = data[off + ngshaoffset:off + ngshaoffset + 20]
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	198 if n == node:
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	199 self.map[n] = i + start / self.s
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	200 return node
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	201 else:
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	202 break
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	203 end -= blocksize
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	204 return None
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	205
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	206 def loadindex(self, i=None, end=None):
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	207 if self.all:
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	208 return
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	209 all = False
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	210 if i == None:
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	211 blockstart = 0
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	212 blocksize = (512 / self.s) * self.s
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	213 end = self.datasize
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	214 all = True
323 c6f0673ab7e9 lazyparser speed ups mpm@selenic.com parents: 306 diff changeset	215 else:
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	216 if end:
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	217 blockstart = i * self.s
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	218 end = end * self.s
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	219 blocksize = end - blockstart
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	220 else:
4314 43dedce9667e revlog.py: fix/tweak read ahead code in lazyparser Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 4222 diff changeset	221 blockstart = (i & ~63) * self.s
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	222 blocksize = self.s * 64
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	223 end = blockstart + blocksize
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	224 while blockstart < end:
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	225 self.loadblock(blockstart, blocksize)
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	226 blockstart += blocksize
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	227 if all:
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	228 self.all = True
515 03f27b1381f9 Whitespace cleanups mpm@selenic.com parents: 484 diff changeset	229
1559 59b3639df0a9 Convert all classes to new-style classes by deriving them from object. Eric Hopper <hopper@omnifarious.org> parents: 1551 diff changeset	230 class lazyindex(object):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	231 """a lazy version of the index array"""
76 d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files mpm@selenic.com parents: 73 diff changeset	232 def __init__(self, parser):
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files mpm@selenic.com parents: 73 diff changeset	233 self.p = parser
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files mpm@selenic.com parents: 73 diff changeset	234 def __len__(self):
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files mpm@selenic.com parents: 73 diff changeset	235 return len(self.p.index)
115 39b438eeb25a Make lazyindex load slightly faster mpm@selenic.com parents: 112 diff changeset	236 def load(self, pos):
1403 bc3e66edb04c lazyindex fix, make load handle negative indexes properly. Eric Hopper <hopper@omnifarious.org> parents: 1402 diff changeset	237 if pos < 0:
bc3e66edb04c lazyindex fix, make load handle negative indexes properly. Eric Hopper <hopper@omnifarious.org> parents: 1402 diff changeset	238 pos += len(self.p.index)
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	239 self.p.loadindex(pos)
115 39b438eeb25a Make lazyindex load slightly faster mpm@selenic.com parents: 112 diff changeset	240 return self.p.index[pos]
76 d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files mpm@selenic.com parents: 73 diff changeset	241 def __getitem__(self, pos):
2080 1cbb14c048cb Reduce index memory usage by storing the bare string instead of tuples mason@suse.com parents: 2079 diff changeset	242 ret = self.p.index[pos] or self.load(pos)
1cbb14c048cb Reduce index memory usage by storing the bare string instead of tuples mason@suse.com parents: 2079 diff changeset	243 if isinstance(ret, str):
4976 79c39cc9ff69 revlog: only allow lazy parsing with revlogng files Matt Mackall <mpm@selenic.com> parents: 4975 diff changeset	244 ret = struct.unpack(indexformatng, ret)
2080 1cbb14c048cb Reduce index memory usage by storing the bare string instead of tuples mason@suse.com parents: 2079 diff changeset	245 return ret
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	246 def __setitem__(self, pos, item):
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	247 self.p.index[pos] = item
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	248 def __delitem__(self, pos):
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	249 del self.p.index[pos]
4979 06abdaf78788 revlog: add a magic null revision to our index Matt Mackall <mpm@selenic.com> parents: 4978 diff changeset	250 def insert(self, pos, e):
06abdaf78788 revlog: add a magic null revision to our index Matt Mackall <mpm@selenic.com> parents: 4978 diff changeset	251 self.p.index.insert(pos, e)
76 d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files mpm@selenic.com parents: 73 diff changeset	252 def append(self, e):
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files mpm@selenic.com parents: 73 diff changeset	253 self.p.index.append(e)
515 03f27b1381f9 Whitespace cleanups mpm@selenic.com parents: 484 diff changeset	254
1559 59b3639df0a9 Convert all classes to new-style classes by deriving them from object. Eric Hopper <hopper@omnifarious.org> parents: 1551 diff changeset	255 class lazymap(object):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	256 """a lazy version of the node map"""
76 d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files mpm@selenic.com parents: 73 diff changeset	257 def __init__(self, parser):
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files mpm@selenic.com parents: 73 diff changeset	258 self.p = parser
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files mpm@selenic.com parents: 73 diff changeset	259 def load(self, key):
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	260 n = self.p.findnode(key)
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	261 if n == None:
1214 34706a835d4a Smarter handling of revlog key errors mpm@selenic.com parents: 1201 diff changeset	262 raise KeyError(key)
76 d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files mpm@selenic.com parents: 73 diff changeset	263 def __contains__(self, key):
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	264 if key in self.p.map:
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	265 return True
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	266 self.p.loadmap()
323 c6f0673ab7e9 lazyparser speed ups mpm@selenic.com parents: 306 diff changeset	267 return key in self.p.map
97 7a2abee6b0c2 Add iterator to the lazymap code mpm@selenic.com parents: 94 diff changeset	268 def __iter__(self):
469 e205194ca7ef Various node id lookup tweaks mpm@selenic.com parents: 451 diff changeset	269 yield nullid
97 7a2abee6b0c2 Add iterator to the lazymap code mpm@selenic.com parents: 94 diff changeset	270 for i in xrange(self.p.l):
2080 1cbb14c048cb Reduce index memory usage by storing the bare string instead of tuples mason@suse.com parents: 2079 diff changeset	271 ret = self.p.index[i]
1cbb14c048cb Reduce index memory usage by storing the bare string instead of tuples mason@suse.com parents: 2079 diff changeset	272 if not ret:
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	273 self.p.loadindex(i)
2080 1cbb14c048cb Reduce index memory usage by storing the bare string instead of tuples mason@suse.com parents: 2079 diff changeset	274 ret = self.p.index[i]
1cbb14c048cb Reduce index memory usage by storing the bare string instead of tuples mason@suse.com parents: 2079 diff changeset	275 if isinstance(ret, str):
4976 79c39cc9ff69 revlog: only allow lazy parsing with revlogng files Matt Mackall <mpm@selenic.com> parents: 4975 diff changeset	276 ret = struct.unpack(indexformatng, ret)
4978 93d48a8fa496 revlog: change accesses to index entry elements to use positive offsets Matt Mackall <mpm@selenic.com> parents: 4977 diff changeset	277 yield ret[7]
76 d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files mpm@selenic.com parents: 73 diff changeset	278 def __getitem__(self, key):
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files mpm@selenic.com parents: 73 diff changeset	279 try:
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files mpm@selenic.com parents: 73 diff changeset	280 return self.p.map[key]
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files mpm@selenic.com parents: 73 diff changeset	281 except KeyError:
86 1b945e8ba67b Friendlier exceptions for unknown node errors mpm@selenic.com parents: 84 diff changeset	282 try:
1b945e8ba67b Friendlier exceptions for unknown node errors mpm@selenic.com parents: 84 diff changeset	283 self.load(key)
1b945e8ba67b Friendlier exceptions for unknown node errors mpm@selenic.com parents: 84 diff changeset	284 return self.p.map[key]
1b945e8ba67b Friendlier exceptions for unknown node errors mpm@selenic.com parents: 84 diff changeset	285 except KeyError:
1b945e8ba67b Friendlier exceptions for unknown node errors mpm@selenic.com parents: 84 diff changeset	286 raise KeyError("node " + hex(key))
76 d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files mpm@selenic.com parents: 73 diff changeset	287 def __setitem__(self, key, val):
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files mpm@selenic.com parents: 73 diff changeset	288 self.p.map[key] = val
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	289 def __delitem__(self, key):
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	290 del self.p.map[key]
76 d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files mpm@selenic.com parents: 73 diff changeset	291
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	292 class RevlogError(Exception):
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	293 pass
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	294 class LookupError(RevlogError):
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	295 pass
1073 7b35a980b982 [PATCH] raise exceptions with Exception subclasses Bart Trojanowski <bart@jukie.net> parents: 1062 diff changeset	296
4962 e017d3a82e1d revlog: raise offset/type helpers to global scope Matt Mackall <mpm@selenic.com> parents: 4781 diff changeset	297 def getoffset(q):
e017d3a82e1d revlog: raise offset/type helpers to global scope Matt Mackall <mpm@selenic.com> parents: 4781 diff changeset	298 if q & 0xFFFF:
e017d3a82e1d revlog: raise offset/type helpers to global scope Matt Mackall <mpm@selenic.com> parents: 4781 diff changeset	299 raise RevlogError(_('incompatible revision flag %x') % q)
e017d3a82e1d revlog: raise offset/type helpers to global scope Matt Mackall <mpm@selenic.com> parents: 4781 diff changeset	300 return int(q >> 16)
e017d3a82e1d revlog: raise offset/type helpers to global scope Matt Mackall <mpm@selenic.com> parents: 4781 diff changeset	301
e017d3a82e1d revlog: raise offset/type helpers to global scope Matt Mackall <mpm@selenic.com> parents: 4781 diff changeset	302 def gettype(q):
e017d3a82e1d revlog: raise offset/type helpers to global scope Matt Mackall <mpm@selenic.com> parents: 4781 diff changeset	303 return int(q & 0xFFFF)
e017d3a82e1d revlog: raise offset/type helpers to global scope Matt Mackall <mpm@selenic.com> parents: 4781 diff changeset	304
e017d3a82e1d revlog: raise offset/type helpers to global scope Matt Mackall <mpm@selenic.com> parents: 4781 diff changeset	305 def offset_type(offset, type):
e017d3a82e1d revlog: raise offset/type helpers to global scope Matt Mackall <mpm@selenic.com> parents: 4781 diff changeset	306 return long(long(offset) << 16 \| type)
e017d3a82e1d revlog: raise offset/type helpers to global scope Matt Mackall <mpm@selenic.com> parents: 4781 diff changeset	307
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	308 class revlogoldio(object):
8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	309 def __init__(self):
8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	310 self.chunkcache = None
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	311 self.size = struct.calcsize(indexformatv0)
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	312
8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	313 def parseindex(self, fp, st, inline):
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	314 s = self.size
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	315 index = []
8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	316 nodemap = {nullid: nullrev}
4973 a386a6e4fe46 revlog: simplify the v0 parser Matt Mackall <mpm@selenic.com> parents: 4972 diff changeset	317 n = off = 0
a386a6e4fe46 revlog: simplify the v0 parser Matt Mackall <mpm@selenic.com> parents: 4972 diff changeset	318 data = fp.read()
a386a6e4fe46 revlog: simplify the v0 parser Matt Mackall <mpm@selenic.com> parents: 4972 diff changeset	319 l = len(data)
a386a6e4fe46 revlog: simplify the v0 parser Matt Mackall <mpm@selenic.com> parents: 4972 diff changeset	320 while off + s <= l:
a386a6e4fe46 revlog: simplify the v0 parser Matt Mackall <mpm@selenic.com> parents: 4972 diff changeset	321 cur = data[off:off + s]
a386a6e4fe46 revlog: simplify the v0 parser Matt Mackall <mpm@selenic.com> parents: 4972 diff changeset	322 off += s
a386a6e4fe46 revlog: simplify the v0 parser Matt Mackall <mpm@selenic.com> parents: 4972 diff changeset	323 e = struct.unpack(indexformatv0, cur)
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	324 # transform to revlogv1 format
6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	325 e2 = (offset_type(e[0], 0), e[1], -1, e[2], e[3],
6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	326 nodemap[e[4]], nodemap[e[5]], e[6])
6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	327 index.append(e2)
6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	328 nodemap[e[6]] = n
4973 a386a6e4fe46 revlog: simplify the v0 parser Matt Mackall <mpm@selenic.com> parents: 4972 diff changeset	329 n += 1
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	330
8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	331 return index, nodemap
8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	332
8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	333 class revlogio(object):
8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	334 def __init__(self):
8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	335 self.chunkcache = None
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	336 self.size = struct.calcsize(indexformatng)
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	337
8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	338 def parseindex(self, fp, st, inline):
8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	339 if (lazyparser.safe_to_use and not inline and
4974 a335345100ba revlog: set the threshold for lazy parsing higher Matt Mackall <mpm@selenic.com> parents: 4973 diff changeset	340 st and st.st_size > 1000000):
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	341 # big index, let's parse it on demand
4976 79c39cc9ff69 revlog: only allow lazy parsing with revlogng files Matt Mackall <mpm@selenic.com> parents: 4975 diff changeset	342 parser = lazyparser(fp, st.st_size)
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	343 index = lazyindex(parser)
8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	344 nodemap = lazymap(parser)
8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	345 e = list(index[0])
8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	346 type = gettype(e[0])
8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	347 e[0] = offset_type(0, type)
8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	348 index[0] = e
8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	349 return index, nodemap
8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	350
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	351 s = self.size
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	352 index = []
8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	353 nodemap = {nullid: nullrev}
4975 8b7e480a7603 revlog: simplify the v1 immediate parser Matt Mackall <mpm@selenic.com> parents: 4974 diff changeset	354 n = off = 0
8b7e480a7603 revlog: simplify the v1 immediate parser Matt Mackall <mpm@selenic.com> parents: 4974 diff changeset	355 # if we're not using lazymap, always read the whole index
8b7e480a7603 revlog: simplify the v1 immediate parser Matt Mackall <mpm@selenic.com> parents: 4974 diff changeset	356 data = fp.read()
8b7e480a7603 revlog: simplify the v1 immediate parser Matt Mackall <mpm@selenic.com> parents: 4974 diff changeset	357 l = len(data)
8b7e480a7603 revlog: simplify the v1 immediate parser Matt Mackall <mpm@selenic.com> parents: 4974 diff changeset	358 if inline:
8b7e480a7603 revlog: simplify the v1 immediate parser Matt Mackall <mpm@selenic.com> parents: 4974 diff changeset	359 self.chunkcache = (0, data)
8b7e480a7603 revlog: simplify the v1 immediate parser Matt Mackall <mpm@selenic.com> parents: 4974 diff changeset	360 while off + s <= l:
8b7e480a7603 revlog: simplify the v1 immediate parser Matt Mackall <mpm@selenic.com> parents: 4974 diff changeset	361 e = struct.unpack(indexformatng, data[off:off + s])
8b7e480a7603 revlog: simplify the v1 immediate parser Matt Mackall <mpm@selenic.com> parents: 4974 diff changeset	362 index.append(e)
4978 93d48a8fa496 revlog: change accesses to index entry elements to use positive offsets Matt Mackall <mpm@selenic.com> parents: 4977 diff changeset	363 nodemap[e[7]] = n
4975 8b7e480a7603 revlog: simplify the v1 immediate parser Matt Mackall <mpm@selenic.com> parents: 4974 diff changeset	364 n += 1
8b7e480a7603 revlog: simplify the v1 immediate parser Matt Mackall <mpm@selenic.com> parents: 4974 diff changeset	365 off += s
8b7e480a7603 revlog: simplify the v1 immediate parser Matt Mackall <mpm@selenic.com> parents: 4974 diff changeset	366 if inline:
8b7e480a7603 revlog: simplify the v1 immediate parser Matt Mackall <mpm@selenic.com> parents: 4974 diff changeset	367 if e[1] < 0:
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	368 break
4975 8b7e480a7603 revlog: simplify the v1 immediate parser Matt Mackall <mpm@selenic.com> parents: 4974 diff changeset	369 off += e[1]
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	370
8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	371 e = list(index[0])
8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	372 type = gettype(e[0])
8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	373 e[0] = offset_type(0, type)
8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	374 index[0] = e
8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	375
8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	376 return index, nodemap
8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	377
1559 59b3639df0a9 Convert all classes to new-style classes by deriving them from object. Eric Hopper <hopper@omnifarious.org> parents: 1551 diff changeset	378 class revlog(object):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	379 """
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	380 the underlying revision storage object
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	381
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	382 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	383
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	384 The index is a file with a fixed record size containing
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	385 information on each revision, includings its nodeid (hash), the
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	386 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	387 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	388 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	389 data.
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	390
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	391 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	392 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	393 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	394 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	395 version data. This makes retrieval of a version proportional to
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	396 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	397
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	398 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	399 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	400 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	401 for locking while reading.
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	402 """
4267 b11a2fb59cf5 revlog: simplify revlog version handling Matt Mackall <mpm@selenic.com> parents: 4266 diff changeset	403 def __init__(self, opener, indexfile):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	404 """
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	405 create a revlog object
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	406
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	407 opener is a function that abstracts the file opening operation
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	408 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	409 """
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	410 self.indexfile = indexfile
4266 1b5c38e9d7aa revlog: don't pass datafile as an argument Matt Mackall <mpm@selenic.com> parents: 4224 diff changeset	411 self.datafile = indexfile[:-2] + ".d"
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	412 self.opener = opener
1784 2e0a288ca93e revalidate revlog data after locking the repo (issue132) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1749 diff changeset	413
2e0a288ca93e revalidate revlog data after locking the repo (issue132) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1749 diff changeset	414 self.indexstat = None
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	415 self.cache = None
4277 0ce23256e454 Fixed spacing in assignment of REVLOG_DEFAULT_VERSION Thomas Arendsen Hein <thomas@intevation.de> parents: 4267 diff changeset	416 self.defversion = REVLOG_DEFAULT_VERSION
4267 b11a2fb59cf5 revlog: simplify revlog version handling Matt Mackall <mpm@selenic.com> parents: 4266 diff changeset	417 if hasattr(opener, "defversion"):
b11a2fb59cf5 revlog: simplify revlog version handling Matt Mackall <mpm@selenic.com> parents: 4266 diff changeset	418 self.defversion = opener.defversion
4302 d69bdc1091b8 Fixups for recent changes in revlog version handling Matt Mackall <mpm@selenic.com> parents: 4277 diff changeset	419 if self.defversion & REVLOGNG:
d69bdc1091b8 Fixups for recent changes in revlog version handling Matt Mackall <mpm@selenic.com> parents: 4277 diff changeset	420 self.defversion \|= REVLOGNGINLINEDATA
4964 ee983d0dbea8 revlog: privatize some methods Matt Mackall <mpm@selenic.com> parents: 4963 diff changeset	421 self._load()
116 e484cd5ec282 Only use lazy indexing for big indices and avoid the overhead of the mpm@selenic.com parents: 115 diff changeset	422
4964 ee983d0dbea8 revlog: privatize some methods Matt Mackall <mpm@selenic.com> parents: 4963 diff changeset	423 def _load(self):
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	424 v = self.defversion
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	425 try:
1784 2e0a288ca93e revalidate revlog data after locking the repo (issue132) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1749 diff changeset	426 f = self.opener(self.indexfile)
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	427 i = f.read(4)
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	428 f.seek(0)
4962 e017d3a82e1d revlog: raise offset/type helpers to global scope Matt Mackall <mpm@selenic.com> parents: 4781 diff changeset	429 if len(i) > 0:
e017d3a82e1d revlog: raise offset/type helpers to global scope Matt Mackall <mpm@selenic.com> parents: 4781 diff changeset	430 v = struct.unpack(versionformat, i)[0]
1322 b3d44e9b3092 Make revlog constructor more discerning in its treatment of errors. Bryan O'Sullivan <bos@serpentine.com> parents: 1232 diff changeset	431 except IOError, inst:
b3d44e9b3092 Make revlog constructor more discerning in its treatment of errors. Bryan O'Sullivan <bos@serpentine.com> parents: 1232 diff changeset	432 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	433 raise
76 d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files mpm@selenic.com parents: 73 diff changeset	434 i = ""
1784 2e0a288ca93e revalidate revlog data after locking the repo (issue132) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1749 diff changeset	435 else:
2e0a288ca93e revalidate revlog data after locking the repo (issue132) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1749 diff changeset	436 try:
2176 9b42304d9896 fix file handling bugs on windows. Vadim Gelfer <vadim.gelfer@gmail.com> parents: 2089 diff changeset	437 st = util.fstat(f)
1784 2e0a288ca93e revalidate revlog data after locking the repo (issue132) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1749 diff changeset	438 except AttributeError, inst:
2e0a288ca93e revalidate revlog data after locking the repo (issue132) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1749 diff changeset	439 st = None
2e0a288ca93e revalidate revlog data after locking the repo (issue132) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1749 diff changeset	440 else:
2e0a288ca93e revalidate revlog data after locking the repo (issue132) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1749 diff changeset	441 oldst = self.indexstat
2e0a288ca93e revalidate revlog data after locking the repo (issue132) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1749 diff changeset	442 if (oldst and st.st_dev == oldst.st_dev
2e0a288ca93e revalidate revlog data after locking the repo (issue132) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1749 diff changeset	443 and st.st_ino == oldst.st_ino
2e0a288ca93e revalidate revlog data after locking the repo (issue132) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1749 diff changeset	444 and st.st_mtime == oldst.st_mtime
4495 769cc8ef5b72 Also check the index file size when deciding whether to reload a revlog. Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 4314 diff changeset	445 and st.st_ctime == oldst.st_ctime
769cc8ef5b72 Also check the index file size when deciding whether to reload a revlog. Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 4314 diff changeset	446 and st.st_size == oldst.st_size):
1784 2e0a288ca93e revalidate revlog data after locking the repo (issue132) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1749 diff changeset	447 return
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	448 self.indexstat = st
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	449 flags = v & ~0xFFFF
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	450 fmt = v & 0xFFFF
2142 8a1e2a9c7013 Replaced 0 with REVLOGV0 where this meaning is used. Thomas Arendsen Hein <thomas@intevation.de> parents: 2141 diff changeset	451 if fmt == REVLOGV0:
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	452 if flags:
3754 cd25a4a1a265 Improve error message for unknown revlog flags. Thomas Arendsen Hein <thomas@intevation.de> parents: 3744 diff changeset	453 raise RevlogError(_("index %s unknown flags %#04x for format v0")
cd25a4a1a265 Improve error message for unknown revlog flags. Thomas Arendsen Hein <thomas@intevation.de> parents: 3744 diff changeset	454 % (self.indexfile, flags >> 16))
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	455 elif fmt == REVLOGNG:
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	456 if flags & ~REVLOGNGINLINEDATA:
3754 cd25a4a1a265 Improve error message for unknown revlog flags. Thomas Arendsen Hein <thomas@intevation.de> parents: 3744 diff changeset	457 raise RevlogError(_("index %s unknown flags %#04x for revlogng")
cd25a4a1a265 Improve error message for unknown revlog flags. Thomas Arendsen Hein <thomas@intevation.de> parents: 3744 diff changeset	458 % (self.indexfile, flags >> 16))
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	459 else:
3744 3a099154b110 Make revlog error slightly less scary Matt Mackall <mpm@selenic.com> parents: 3683 diff changeset	460 raise RevlogError(_("index %s unknown format %d")
3680 69cf255a55a1 Indentation cleanups for 2956948b81f3. Thomas Arendsen Hein <thomas@intevation.de> parents: 3679 diff changeset	461 % (self.indexfile, fmt))
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	462 self.version = v
4971 3e6dae278c99 revlog: regroup parsing code Matt Mackall <mpm@selenic.com> parents: 4964 diff changeset	463 self.nodemap = {nullid: nullrev}
3e6dae278c99 revlog: regroup parsing code Matt Mackall <mpm@selenic.com> parents: 4964 diff changeset	464 self.index = []
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	465 self._io = revlogio()
4971 3e6dae278c99 revlog: regroup parsing code Matt Mackall <mpm@selenic.com> parents: 4964 diff changeset	466 if self.version == REVLOGV0:
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	467 self._io = revlogoldio()
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	468 if i:
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	469 self.index, self.nodemap = self._io.parseindex(f, st, self._inline())
4979 06abdaf78788 revlog: add a magic null revision to our index Matt Mackall <mpm@selenic.com> parents: 4978 diff changeset	470 # add the magic null revision at -1
06abdaf78788 revlog: add a magic null revision to our index Matt Mackall <mpm@selenic.com> parents: 4978 diff changeset	471 self.index.append((0, 0, 0, -1, -1, -1, -1, nullid))
116 e484cd5ec282 Only use lazy indexing for big indices and avoid the overhead of the mpm@selenic.com parents: 115 diff changeset	472
4964 ee983d0dbea8 revlog: privatize some methods Matt Mackall <mpm@selenic.com> parents: 4963 diff changeset	473 def _loadindex(self, start, end):
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	474 """load a block of indexes all at once from the lazy parser"""
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	475 if isinstance(self.index, lazyindex):
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	476 self.index.p.loadindex(start, end)
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	477
4964 ee983d0dbea8 revlog: privatize some methods Matt Mackall <mpm@selenic.com> parents: 4963 diff changeset	478 def _loadindexmap(self):
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	479 """loads both the map and the index from the lazy parser"""
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	480 if isinstance(self.index, lazyindex):
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	481 p = self.index.p
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	482 p.loadindex()
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	483 self.nodemap = p.map
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	484
4964 ee983d0dbea8 revlog: privatize some methods Matt Mackall <mpm@selenic.com> parents: 4963 diff changeset	485 def _loadmap(self):
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	486 """loads the map from the lazy parser"""
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	487 if isinstance(self.nodemap, lazymap):
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	488 self.nodemap.p.loadmap()
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	489 self.nodemap = self.nodemap.p.map
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	490
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	491 def _inline(self):
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	492 return self.version & REVLOGNGINLINEDATA
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	493 def tip(self):
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	494 return self.node(len(self.index) - 2)
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	495 def count(self):
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	496 return len(self.index) - 1
4964 ee983d0dbea8 revlog: privatize some methods Matt Mackall <mpm@selenic.com> parents: 4963 diff changeset	497
1201 59bfbdbc38f6 revlog: raise informative exception if file is missing. Bryan O'Sullivan <bos@serpentine.com> parents: 1099 diff changeset	498 def rev(self, node):
59bfbdbc38f6 revlog: raise informative exception if file is missing. Bryan O'Sullivan <bos@serpentine.com> parents: 1099 diff changeset	499 try:
59bfbdbc38f6 revlog: raise informative exception if file is missing. Bryan O'Sullivan <bos@serpentine.com> parents: 1099 diff changeset	500 return self.nodemap[node]
59bfbdbc38f6 revlog: raise informative exception if file is missing. Bryan O'Sullivan <bos@serpentine.com> parents: 1099 diff changeset	501 except KeyError:
3930 01d98d68d697 Add revlog.LookupError exception, and use it instead of RevlogError. Brendan Cully <brendan@kublai.com> parents: 3928 diff changeset	502 raise LookupError(_('%s: no node %s') % (self.indexfile, hex(node)))
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	503 def node(self, rev):
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	504 return self.index[rev][7]
2651 6414ee2eb688 correct the handling of linkrev with nullid Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 2650 diff changeset	505 def linkrev(self, node):
4979 06abdaf78788 revlog: add a magic null revision to our index Matt Mackall <mpm@selenic.com> parents: 4978 diff changeset	506 return self.index[self.rev(node)][4]
2 ecf3fd948051 Handle nullid better for ancestor mpm@selenic.com parents: 0 diff changeset	507 def parents(self, node):
4979 06abdaf78788 revlog: add a magic null revision to our index Matt Mackall <mpm@selenic.com> parents: 4978 diff changeset	508 d = self.index[self.rev(node)][5:7]
3505 0aef94f45ebf revlog.py: always return tuples from parents and parentrevs Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3499 diff changeset	509 return (self.node(d[0]), self.node(d[1]))
2489 568e58eed096 Add revlog.parentrevs function. Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 2354 diff changeset	510 def parentrevs(self, rev):
4979 06abdaf78788 revlog: add a magic null revision to our index Matt Mackall <mpm@selenic.com> parents: 4978 diff changeset	511 return self.index[rev][5:7]
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	512 def start(self, rev):
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	513 return getoffset(self.index[rev][0])
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	514 def end(self, rev):
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	515 return self.start(rev) + self.length(rev)
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	516 def length(self, rev):
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	517 return self.index[rev][1]
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	518 def base(self, rev):
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	519 return self.index[rev][3]
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	520
2078 441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	521 def size(self, rev):
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	522 """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	523 l = self.index[rev][2]
2078 441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	524 if l >= 0:
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	525 return l
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	526
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	527 t = self.revision(self.node(rev))
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	528 return len(t)
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	529
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	530 # alternate implementation, The advantage to this code is it
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	531 # will be faster for a single revision. But, the results are not
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	532 # cached, so finding the size of every revision will be slower.
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	533 """
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	534 if self.cache and self.cache[1] == rev:
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	535 return len(self.cache[2])
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	536
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	537 base = self.base(rev)
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	538 if self.cache and self.cache[1] >= base and self.cache[1] < rev:
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	539 base = self.cache[1]
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	540 text = self.cache[2]
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	541 else:
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	542 text = self.revision(self.node(base))
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	543
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	544 l = len(text)
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	545 for x in xrange(base + 1, rev + 1):
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	546 l = mdiff.patchedsize(l, self.chunk(x))
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	547 return l
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	548 """
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	549
3633 508036290b00 revlog: reachable actually takes a node Matt Mackall <mpm@selenic.com> parents: 3585 diff changeset	550 def reachable(self, node, stop=None):
3683 b0fd43effdb3 add docstring to reachable Matt Mackall <mpm@selenic.com> parents: 3680 diff changeset	551 """return a hash of all nodes ancestral to a given node, including
b0fd43effdb3 add docstring to reachable Matt Mackall <mpm@selenic.com> parents: 3680 diff changeset	552 the node itself, stopping when stop is matched"""
1074 55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	553 reachable = {}
3633 508036290b00 revlog: reachable actually takes a node Matt Mackall <mpm@selenic.com> parents: 3585 diff changeset	554 visit = [node]
508036290b00 revlog: reachable actually takes a node Matt Mackall <mpm@selenic.com> parents: 3585 diff changeset	555 reachable[node] = 1
1074 55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	556 if stop:
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	557 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	558 else:
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	559 stopn = 0
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	560 while visit:
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	561 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	562 if n == stop:
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	563 continue
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	564 if n == nullid:
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	565 continue
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	566 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	567 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	568 continue
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	569 if p not in reachable:
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	570 reachable[p] = 1
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	571 visit.append(p)
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	572 return reachable
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	573
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	574 def nodesbetween(self, roots=None, heads=None):
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	575 """Return a tuple containing three elements. Elements 1 and 2 contain
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	576 a final list bases and heads after all the unreachable ones have been
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	577 pruned. Element 0 contains a topologically sorted list of all
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	578
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	579 nodes that satisfy these constraints:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	580 1. All nodes must be descended from a node in roots (the nodes on
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	581 roots are considered descended from themselves).
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	582 2. All nodes must also be ancestors of a node in heads (the nodes in
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	583 heads are considered to be their own ancestors).
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	584
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	585 If roots is unspecified, nullid is assumed as the only root.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	586 If heads is unspecified, it is taken to be the output of the
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	587 heads method (i.e. a list of all nodes in the repository that
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	588 have no children)."""
1463 26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween. Eric Hopper <hopper@omnifarious.org> parents: 1459 diff changeset	589 nonodes = ([], [], [])
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	590 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	591 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	592 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	593 return nonodes
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	594 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	595 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	596 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: 3505 diff changeset	597 lowestrev = nullrev
3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1. Thomas Arendsen Hein <thomas@intevation.de> parents: 3505 diff changeset	598 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	599 # We want _all_ the nodes!
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	600 return ([self.node(r) for r in xrange(0, self.count())],
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	601 [nullid], list(self.heads()))
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	602 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	603 # 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	604 # node.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	605 highestrev = self.count() - 1
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	606 # 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	607 ancestors = None
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	608 # 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	609 heads = {}
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	610 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	611 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	612 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	613 return nonodes
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	614 ancestors = {}
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	615 # 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	616 # 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	617 # find from roots.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	618 heads = dict.fromkeys(heads, 0)
3360 ef8307585b41 nodesbetween: fix a bug with duplicate heads Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3333 diff changeset	619 # Start at the top and keep marking parents until we're done.
ef8307585b41 nodesbetween: fix a bug with duplicate heads Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3333 diff changeset	620 nodestotag = heads.keys()
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	621 # 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	622 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	623 while nodestotag:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	624 # 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	625 n = nodestotag.pop()
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	626 # Never tag nullid
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	627 if n == nullid:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	628 continue
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	629 # 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	630 # 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	631 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	632 if r >= lowestrev:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	633 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	634 # 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	635 # and we haven't already been marked as an ancestor
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	636 ancestors[n] = 1 # Mark as ancestor
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	637 # Add non-nullid parents to list of nodes to tag.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	638 nodestotag.extend([p for p in self.parents(n) if
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	639 p != nullid])
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	640 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	641 # 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	642 # any other heads.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	643 heads.pop(n)
1459 106fdec8e1fb Fix small bug in nodesbetween if heads is [nullid]. Eric Hopper <hopper@omnifarious.org> parents: 1458 diff changeset	644 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	645 return nonodes
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	646 # 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	647 # 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	648
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	649 # 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: 3505 diff changeset	650 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	651 # 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	652 # 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	653
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	654 # 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	655 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	656 # 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	657 if roots:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	658 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	659 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	660 # 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	661 return nonodes
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	662 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	663 # 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	664 # any other roots.
3578 3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1. Thomas Arendsen Hein <thomas@intevation.de> parents: 3505 diff changeset	665 lowestrev = nullrev
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	666 roots = [nullid]
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	667 # Transform our roots list into a 'set' (i.e. a dictionary where the
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	668 # values don't matter.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	669 descendents = dict.fromkeys(roots, 1)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	670 # 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	671 # '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	672 roots = descendents.copy()
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	673 # 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	674 orderedout = []
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	675 # 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	676 # 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	677 # they're descendents.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	678 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	679 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	680 isdescendent = False
3578 3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1. Thomas Arendsen Hein <thomas@intevation.de> parents: 3505 diff changeset	681 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	682 isdescendent = True
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	683 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	684 # 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	685 isdescendent = True
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	686 # 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	687 # 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	688 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	689 # 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	690 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	691 # 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	692 if (p[0] in descendents) or (p[1] in descendents):
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	693 roots.pop(n)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	694 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	695 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	696 # 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	697 # 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	698 # up there, remember?)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	699 if (p[0] in descendents) or (p[1] in descendents):
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	700 descendents[n] = 1
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	701 isdescendent = True
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	702 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	703 # 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	704 orderedout.append(n)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	705 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	706 # 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	707 # from roots.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	708 # 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	709 heads[n] = 1
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	710 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	711 # 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	712 # 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	713 # 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	714 heads[n] = 1
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	715 # 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	716 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	717 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	718 heads = [n for n in heads.iterkeys() if heads[n] != 0]
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	719 roots = roots.keys()
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	720 assert orderedout
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	721 assert roots
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	722 assert heads
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	723 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	724
3925 27230c29bfec fix calculation of new heads added during push with -r Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3755 diff changeset	725 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	726 """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	727
e793cbc8be00 Fixes to "hg heads -r FOO": Thomas Arendsen Hein <thomas@intevation.de> parents: 1550 diff changeset	728 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	729 start will be returned
3925 27230c29bfec fix calculation of new heads added during push with -r Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3755 diff changeset	730 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	731 as if they had no children
1551 e793cbc8be00 Fixes to "hg heads -r FOO": Thomas Arendsen Hein <thomas@intevation.de> parents: 1550 diff changeset	732 """
e793cbc8be00 Fixes to "hg heads -r FOO": Thomas Arendsen Hein <thomas@intevation.de> parents: 1550 diff changeset	733 if start is None:
e793cbc8be00 Fixes to "hg heads -r FOO": Thomas Arendsen Hein <thomas@intevation.de> parents: 1550 diff changeset	734 start = nullid
3925 27230c29bfec fix calculation of new heads added during push with -r Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3755 diff changeset	735 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	736 stop = []
27230c29bfec fix calculation of new heads added during push with -r Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3755 diff changeset	737 stoprevs = dict.fromkeys([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	738 startrev = self.rev(start)
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	739 reachable = {startrev: 1}
6ff82ec1f4b8 Change revlog.heads to walk the revision graph using revision numbers Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 2489 diff changeset	740 heads = {startrev: 1}
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	741
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	742 parentrevs = self.parentrevs
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	743 for r in xrange(startrev + 1, self.count()):
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	744 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	745 if p in reachable:
3925 27230c29bfec fix calculation of new heads added during push with -r Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3755 diff changeset	746 if r not in stoprevs:
27230c29bfec fix calculation of new heads added during push with -r Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3755 diff changeset	747 reachable[r] = 1
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	748 heads[r] = 1
3925 27230c29bfec fix calculation of new heads added during push with -r Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3755 diff changeset	749 if p in heads and p not in stoprevs:
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	750 del heads[p]
3925 27230c29bfec fix calculation of new heads added during push with -r Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3755 diff changeset	751
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	752 return [self.node(r) for r in heads]
370 c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	753
c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	754 def children(self, node):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	755 """find the children of a given node"""
370 c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	756 c = []
c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	757 p = self.rev(node)
c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	758 for r in range(p + 1, self.count()):
4781 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	759 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	760 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	761 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	762 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	763 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	764 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	765 c.append(self.node(r))
370 c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	766 return c
515 03f27b1381f9 Whitespace cleanups mpm@selenic.com parents: 484 diff changeset	767
3494 dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	768 def _match(self, id):
3210 7240f9e47144 correctly find the type of 'id' in revlog.lookup Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3153 diff changeset	769 if isinstance(id, (long, int)):
3152 d01e4cb2f5f2 cleanups in revlog.lookup Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3139 diff changeset	770 # rev
2650 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	771 return self.node(id)
3438 b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	772 if len(id) == 20:
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	773 # possibly a binary node
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	774 # 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	775 try:
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	776 node = id
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	777 r = self.rev(node) # quick search the index
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	778 return node
3930 01d98d68d697 Add revlog.LookupError exception, and use it instead of RevlogError. Brendan Cully <brendan@kublai.com> parents: 3928 diff changeset	779 except LookupError:
3438 b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	780 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	781 try:
3152 d01e4cb2f5f2 cleanups in revlog.lookup Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3139 diff changeset	782 # str(rev)
36 da28286bf6b7 Add smart node lookup by substring or by rev number mpm@selenic.com parents: 26 diff changeset	783 rev = int(id)
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	784 if str(rev) != id:
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	785 raise ValueError
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	786 if rev < 0:
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	787 rev = self.count() + rev
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	788 if rev < 0 or rev >= self.count():
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	789 raise ValueError
36 da28286bf6b7 Add smart node lookup by substring or by rev number mpm@selenic.com parents: 26 diff changeset	790 return self.node(rev)
469 e205194ca7ef Various node id lookup tweaks mpm@selenic.com parents: 451 diff changeset	791 except (ValueError, OverflowError):
3152 d01e4cb2f5f2 cleanups in revlog.lookup Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3139 diff changeset	792 pass
3494 dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	793 if len(id) == 40:
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	794 try:
3438 b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	795 # a full hex nodeid?
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	796 node = bin(id)
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	797 r = self.rev(node)
3153 4fe41a9e4591 optimize revlog.lookup when passed hex(node)[:...] Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3152 diff changeset	798 return node
3494 dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	799 except TypeError:
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	800 pass
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	801
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	802 def _partialmatch(self, id):
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	803 if len(id) < 40:
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	804 try:
3438 b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	805 # hex(node)[:...]
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	806 bin_id = bin(id[:len(id) & ~1]) # grab an even number of digits
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	807 node = None
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	808 for n in self.nodemap:
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	809 if n.startswith(bin_id) and hex(n).startswith(id):
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	810 if node is not None:
3930 01d98d68d697 Add revlog.LookupError exception, and use it instead of RevlogError. Brendan Cully <brendan@kublai.com> parents: 3928 diff changeset	811 raise LookupError(_("Ambiguous identifier"))
3438 b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	812 node = n
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	813 if node is not None:
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	814 return node
3494 dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	815 except TypeError:
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	816 pass
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	817
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	818 def lookup(self, id):
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	819 """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	820 - 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	821 - 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	822 """
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	823 n = self._match(id)
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	824 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	825 return n
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	826 n = self._partialmatch(id)
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	827 if n:
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	828 return n
515 03f27b1381f9 Whitespace cleanups mpm@selenic.com parents: 484 diff changeset	829
3930 01d98d68d697 Add revlog.LookupError exception, and use it instead of RevlogError. Brendan Cully <brendan@kublai.com> parents: 3928 diff changeset	830 raise LookupError(_("No match found"))
36 da28286bf6b7 Add smart node lookup by substring or by rev number mpm@selenic.com parents: 26 diff changeset	831
2910 5df3e5cf16bc Move cmp bits from filelog to revlog Matt Mackall <mpm@selenic.com> parents: 2858 diff changeset	832 def cmp(self, node, text):
5df3e5cf16bc Move cmp bits from filelog to revlog Matt Mackall <mpm@selenic.com> parents: 2858 diff changeset	833 """compare text with a given file revision"""
5df3e5cf16bc Move cmp bits from filelog to revlog Matt Mackall <mpm@selenic.com> parents: 2858 diff changeset	834 p1, p2 = self.parents(node)
5df3e5cf16bc Move cmp bits from filelog to revlog Matt Mackall <mpm@selenic.com> parents: 2858 diff changeset	835 return hash(text, p1, p2) != node
5df3e5cf16bc Move cmp bits from filelog to revlog Matt Mackall <mpm@selenic.com> parents: 2858 diff changeset	836
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	837 def diff(self, a, b):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	838 """return a delta between two revisions"""
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	839 return mdiff.textdiff(a, b)
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	840
73 ee1cbe841e01 Change revlog to use new patch code mpm@selenic.com parents: 71 diff changeset	841 def patches(self, t, pl):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	842 """apply a list of patches to a string"""
73 ee1cbe841e01 Change revlog to use new patch code mpm@selenic.com parents: 71 diff changeset	843 return mdiff.patches(t, pl)
ee1cbe841e01 Change revlog to use new patch code mpm@selenic.com parents: 71 diff changeset	844
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	845 def chunk(self, rev, df=None, cachelen=4096):
1598 14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	846 start, length = self.start(rev), self.length(rev)
4964 ee983d0dbea8 revlog: privatize some methods Matt Mackall <mpm@selenic.com> parents: 4963 diff changeset	847 inline = self._inline()
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	848 if inline:
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	849 start += (rev + 1) * self._io.size
1598 14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	850 end = start + length
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	851 def loadcache(df):
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	852 cache_length = max(cachelen, length) # 4k
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	853 if not df:
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	854 if inline:
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	855 df = self.opener(self.indexfile)
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	856 else:
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	857 df = self.opener(self.datafile)
1598 14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	858 df.seek(start)
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	859 self._io.chunkcache = (start, df.read(cache_length))
1598 14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	860
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	861 if not self._io.chunkcache:
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	862 loadcache(df)
1598 14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	863
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	864 cache_start = self._io.chunkcache[0]
8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	865 cache_end = cache_start + len(self._io.chunkcache[1])
1598 14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	866 if start >= cache_start and end <= cache_end:
14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	867 # it is cached
14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	868 offset = start - cache_start
14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	869 else:
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	870 loadcache(df)
1598 14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	871 offset = 0
14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	872
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	873 return decompress(self._io.chunkcache[1][offset:offset + length])
1598 14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	874
119 c7a66f9752a4 Add code to retrieve or construct a revlog delta mpm@selenic.com parents: 117 diff changeset	875 def delta(self, node):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	876 """return or calculate a delta between a node and its predecessor"""
119 c7a66f9752a4 Add code to retrieve or construct a revlog delta mpm@selenic.com parents: 117 diff changeset	877 r = self.rev(node)
1941 7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1853 diff changeset	878 return self.revdiff(r - 1, r)
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1853 diff changeset	879
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1853 diff changeset	880 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	881 """return or calculate a delta between two revisions"""
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1853 diff changeset	882 b1 = self.base(rev1)
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1853 diff changeset	883 b2 = self.base(rev2)
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1853 diff changeset	884 if b1 == b2 and rev1 + 1 == rev2:
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1853 diff changeset	885 return self.chunk(rev2)
119 c7a66f9752a4 Add code to retrieve or construct a revlog delta mpm@selenic.com parents: 117 diff changeset	886 else:
1941 7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1853 diff changeset	887 return self.diff(self.revision(self.node(rev1)),
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1853 diff changeset	888 self.revision(self.node(rev2)))
119 c7a66f9752a4 Add code to retrieve or construct a revlog delta mpm@selenic.com parents: 117 diff changeset	889
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	890 def revision(self, node):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	891 """return an uncompressed revision of a given"""
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	892 if node == nullid:
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	893 return ""
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	894 if self.cache and self.cache[0] == node:
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	895 return self.cache[2]
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	896
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	897 # look up what we need to read
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	898 text = None
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	899 rev = self.rev(node)
1598 14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	900 base = self.base(rev)
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	901
4964 ee983d0dbea8 revlog: privatize some methods Matt Mackall <mpm@selenic.com> parents: 4963 diff changeset	902 if self._inline():
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	903 # we probably have the whole chunk cached
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	904 df = None
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	905 else:
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	906 df = self.opener(self.datafile)
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	907
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	908 # do we have useful data cached?
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	909 if self.cache and self.cache[1] >= base and self.cache[1] < rev:
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	910 base = self.cache[1]
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	911 text = self.cache[2]
4964 ee983d0dbea8 revlog: privatize some methods Matt Mackall <mpm@selenic.com> parents: 4963 diff changeset	912 self._loadindex(base, rev + 1)
1598 14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	913 else:
4964 ee983d0dbea8 revlog: privatize some methods Matt Mackall <mpm@selenic.com> parents: 4963 diff changeset	914 self._loadindex(base, rev + 1)
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	915 text = self.chunk(base, df=df)
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	916
71 47c9a869adee Add mdiff.patches to speed up applying thousands of patches to the manifest mpm@selenic.com parents: 67 diff changeset	917 bins = []
64 b3e2ddff0159 Diff in subdirectories from Jake Edge mpm@selenic.com parents: 46 diff changeset	918 for r in xrange(base + 1, rev + 1):
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	919 bins.append(self.chunk(r, df=df))
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	920
1941 7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1853 diff changeset	921 text = self.patches(text, bins)
71 47c9a869adee Add mdiff.patches to speed up applying thousands of patches to the manifest mpm@selenic.com parents: 67 diff changeset	922
1598 14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	923 p1, p2 = self.parents(node)
26 9cf83bf9ad38 Simplify integrity checking mpm@selenic.com parents: 14 diff changeset	924 if node != hash(text, p1, p2):
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	925 raise RevlogError(_("integrity check failed on %s:%d")
3680 69cf255a55a1 Indentation cleanups for 2956948b81f3. Thomas Arendsen Hein <thomas@intevation.de> parents: 3679 diff changeset	926 % (self.datafile, rev))
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	927
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	928 self.cache = (node, rev, text)
515 03f27b1381f9 Whitespace cleanups mpm@selenic.com parents: 484 diff changeset	929 return text
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	930
2075 343aeefb553b Make the appendfile class inline-data index friendly mason@suse.com parents: 2073 diff changeset	931 def checkinlinesize(self, tr, fp=None):
4964 ee983d0dbea8 revlog: privatize some methods Matt Mackall <mpm@selenic.com> parents: 4963 diff changeset	932 if not self._inline():
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	933 return
2075 343aeefb553b Make the appendfile class inline-data index friendly mason@suse.com parents: 2073 diff changeset	934 if not fp:
343aeefb553b Make the appendfile class inline-data index friendly mason@suse.com parents: 2073 diff changeset	935 fp = self.opener(self.indexfile, 'r')
2082 856f0ba200bc Additional appendfile fixes for interleaved data/index files mason@suse.com parents: 2081 diff changeset	936 fp.seek(0, 2)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	937 size = fp.tell()
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	938 if size < 131072:
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	939 return
2084 d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	940 trinfo = tr.find(self.indexfile)
d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	941 if trinfo == None:
3680 69cf255a55a1 Indentation cleanups for 2956948b81f3. Thomas Arendsen Hein <thomas@intevation.de> parents: 3679 diff changeset	942 raise RevlogError(_("%s not found in the transaction")
69cf255a55a1 Indentation cleanups for 2956948b81f3. Thomas Arendsen Hein <thomas@intevation.de> parents: 3679 diff changeset	943 % self.indexfile)
2084 d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	944
d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	945 trindex = trinfo[2]
d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	946 dataoff = self.start(trindex)
d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	947
d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	948 tr.add(self.datafile, dataoff)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	949 df = self.opener(self.datafile, 'w')
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	950 calc = self._io.size
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	951 for r in xrange(self.count()):
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	952 start = self.start(r) + (r + 1) * calc
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	953 length = self.length(r)
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	954 fp.seek(start)
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	955 d = fp.read(length)
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	956 df.write(d)
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	957 fp.close()
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	958 df.close()
2076 d007df6daf8e Create an atomic opener that does not automatically rename on close mason@suse.com parents: 2075 diff changeset	959 fp = self.opener(self.indexfile, 'w', atomictemp=True)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	960 self.version &= ~(REVLOGNGINLINEDATA)
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	961 if self.count():
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	962 x = self.index[0]
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	963 e = struct.pack(indexformatng, *x)[4:]
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	964 l = struct.pack(versionformat, self.version)
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	965 fp.write(l)
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	966 fp.write(e)
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	967
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	968 for i in xrange(1, self.count()):
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	969 x = self.index[i]
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	970 e = struct.pack(indexformatng, *x)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	971 fp.write(e)
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	972
2076 d007df6daf8e Create an atomic opener that does not automatically rename on close mason@suse.com parents: 2075 diff changeset	973 # 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	974 # real index
d007df6daf8e Create an atomic opener that does not automatically rename on close mason@suse.com parents: 2075 diff changeset	975 fp.rename()
2084 d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	976
d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	977 tr.replace(self.indexfile, trindex * calc)
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	978 self._io.chunkcache = None
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	979
644 6ebe118280bd Performance enhancements for manifest.add() mason@suse.com parents: 547 diff changeset	980 def addrevision(self, text, transaction, link, p1=None, p2=None, d=None):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	981 """add a revision to the log
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	982
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	983 text - the revision data to add
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	984 transaction - the transaction object used for rollback
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	985 link - the linkrev data to add
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	986 p1, p2 - the parent nodeids of the revision
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	987 d - an optional precomputed delta
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	988 """
4964 ee983d0dbea8 revlog: privatize some methods Matt Mackall <mpm@selenic.com> parents: 4963 diff changeset	989 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	990 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	991 else:
a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	992 dfh = None
a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	993 ifh = self.opener(self.indexfile, "a+")
a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	994 return self._addrevision(text, transaction, link, p1, p2, d, ifh, dfh)
a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	995
a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	996 def _addrevision(self, text, transaction, link, p1, p2, d, ifh, dfh):
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	997 if text is None:
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	998 text = ""
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	999 if p1 is None:
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	1000 p1 = self.tip()
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	1001 if p2 is None:
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	1002 p2 = nullid
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1003
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1004 node = hash(text, p1, p2)
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1005
301 5add718d92db revlog: allow duplicates mpm@selenic.com parents: 243 diff changeset	1006 if node in self.nodemap:
5add718d92db revlog: allow duplicates mpm@selenic.com parents: 243 diff changeset	1007 return node
5add718d92db revlog: allow duplicates mpm@selenic.com parents: 243 diff changeset	1008
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1009 n = self.count()
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1010 t = n - 1
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1011
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1012 if n:
64 b3e2ddff0159 Diff in subdirectories from Jake Edge mpm@selenic.com parents: 46 diff changeset	1013 base = self.base(t)
b3e2ddff0159 Diff in subdirectories from Jake Edge mpm@selenic.com parents: 46 diff changeset	1014 start = self.start(base)
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1015 end = self.end(t)
644 6ebe118280bd Performance enhancements for manifest.add() mason@suse.com parents: 547 diff changeset	1016 if not d:
6ebe118280bd Performance enhancements for manifest.add() mason@suse.com parents: 547 diff changeset	1017 prev = self.revision(self.tip())
3333 9061613c1593 Teach bdiff to support buffer objects Brendan Cully <brendan@kublai.com> parents: 3210 diff changeset	1018 d = self.diff(prev, text)
98 3dde7c87e36d Add paranoia to diff code mpm@selenic.com parents: 97 diff changeset	1019 data = compress(d)
1533 3d11f81c9145 Reduce string duplication in compression code mason@suse.com parents: 1509 diff changeset	1020 l = len(data[1]) + len(data[0])
3d11f81c9145 Reduce string duplication in compression code mason@suse.com parents: 1509 diff changeset	1021 dist = end - start + l
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1022
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1023 # full versions are inserted when the needed deltas
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1024 # become comparable to the uncompressed text
64 b3e2ddff0159 Diff in subdirectories from Jake Edge mpm@selenic.com parents: 46 diff changeset	1025 if not n or dist > len(text) * 2:
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1026 data = compress(text)
1533 3d11f81c9145 Reduce string duplication in compression code mason@suse.com parents: 1509 diff changeset	1027 l = len(data[1]) + len(data[0])
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1028 base = n
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1029 else:
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1030 base = self.base(t)
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1031
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1032 offset = 0
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1033 if t >= 0:
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1034 offset = self.end(t)
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1035
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	1036 e = (offset_type(offset, 0), l, len(text),
6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	1037 base, link, self.rev(p1), self.rev(p2), node)
515 03f27b1381f9 Whitespace cleanups mpm@selenic.com parents: 484 diff changeset	1038
4979 06abdaf78788 revlog: add a magic null revision to our index Matt Mackall <mpm@selenic.com> parents: 4978 diff changeset	1039 self.index.insert(-1, e)
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1040 self.nodemap[node] = n
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	1041
6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	1042 if self.version == REVLOGV0:
6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	1043 e = (offset, l, base, link, p1, p2, node)
6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	1044 entry = struct.pack(indexformatv0, *e)
6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	1045 else:
6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	1046 entry = struct.pack(indexformatng, *e)
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1047
4964 ee983d0dbea8 revlog: privatize some methods Matt Mackall <mpm@selenic.com> parents: 4963 diff changeset	1048 if not self._inline():
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1049 transaction.add(self.datafile, offset)
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1050 transaction.add(self.indexfile, n * len(entry))
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1051 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	1052 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	1053 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	1054 dfh.flush()
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1055 else:
3390 a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	1056 ifh.seek(0, 2)
a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	1057 transaction.add(self.indexfile, ifh.tell(), self.count() - 1)
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1058
4979 06abdaf78788 revlog: add a magic null revision to our index Matt Mackall <mpm@selenic.com> parents: 4978 diff changeset	1059 if self.count() == 1 and self.version != REVLOGV0:
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1060 l = struct.pack(versionformat, self.version)
3390 a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	1061 ifh.write(l)
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1062 entry = entry[4:]
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1063
3390 a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	1064 ifh.write(entry)
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1065
4964 ee983d0dbea8 revlog: privatize some methods Matt Mackall <mpm@selenic.com> parents: 4963 diff changeset	1066 if 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	1067 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	1068 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	1069 self.checkinlinesize(transaction, ifh)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1070
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1071 self.cache = (node, n, text)
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1072 return node
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1073
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1074 def ancestor(self, a, b):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1075 """calculate the least common ancestor of nodes a and b"""
2081 416d8b2a75b8 Speedup revlog.ancestors for the linear case Chris Mason <mason@suse.com> parents: 2080 diff changeset	1076
3139 1fd1cdcc4200 Switch revlog.ancestor to use revisions rather than nodeids Matt Mackall <mpm@selenic.com> parents: 3136 diff changeset	1077 def parents(rev):
3578 3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1. Thomas Arendsen Hein <thomas@intevation.de> parents: 3505 diff changeset	1078 return [p for p in self.parentrevs(rev) if p != nullrev]
515 03f27b1381f9 Whitespace cleanups mpm@selenic.com parents: 484 diff changeset	1079
3139 1fd1cdcc4200 Switch revlog.ancestor to use revisions rather than nodeids Matt Mackall <mpm@selenic.com> parents: 3136 diff changeset	1080 c = ancestor.ancestor(self.rev(a), self.rev(b), parents)
1fd1cdcc4200 Switch revlog.ancestor to use revisions rather than nodeids Matt Mackall <mpm@selenic.com> parents: 3136 diff changeset	1081 if c is None:
1fd1cdcc4200 Switch revlog.ancestor to use revisions rather than nodeids Matt Mackall <mpm@selenic.com> parents: 3136 diff changeset	1082 return nullid
1fd1cdcc4200 Switch revlog.ancestor to use revisions rather than nodeids Matt Mackall <mpm@selenic.com> parents: 3136 diff changeset	1083
1fd1cdcc4200 Switch revlog.ancestor to use revisions rather than nodeids Matt Mackall <mpm@selenic.com> parents: 3136 diff changeset	1084 return self.node(c)
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1085
1598 14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	1086 def group(self, nodelist, lookup, infocollect=None):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1087 """calculate a delta group
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1088
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1089 Given a list of changeset revs, return a set of deltas and
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1090 metadata corresponding to nodes. the first delta is
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1091 parent(nodes[0]) -> nodes[0] the receiver is guaranteed to
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1092 have this parent as it has all history before these
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1093 changesets. parent is parent[0]
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1094 """
1458 1033892bbb87 This changes the revlog.group and re-implements the localrepo.changeroup Eric Hopper <hopper@omnifarious.org> parents: 1457 diff changeset	1095 revs = [self.rev(n) for n in nodelist]
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1096
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1097 # if we don't have any revisions touched by these changesets, bail
192 5d8553352d2e Changes to network protocol mpm@selenic.com parents: 155 diff changeset	1098 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	1099 yield changegroup.closechunk()
192 5d8553352d2e Changes to network protocol mpm@selenic.com parents: 155 diff changeset	1100 return
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1101
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1102 # add the parent of the first rev
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1103 p = self.parents(self.node(revs[0]))[0]
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1104 revs.insert(0, self.rev(p))
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1105
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1106 # build deltas
71 47c9a869adee Add mdiff.patches to speed up applying thousands of patches to the manifest mpm@selenic.com parents: 67 diff changeset	1107 for d in xrange(0, len(revs) - 1):
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1108 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	1109 nb = self.node(b)
192 5d8553352d2e Changes to network protocol mpm@selenic.com parents: 155 diff changeset	1110
1458 1033892bbb87 This changes the revlog.group and re-implements the localrepo.changeroup Eric Hopper <hopper@omnifarious.org> parents: 1457 diff changeset	1111 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	1112 infocollect(nb)
1458 1033892bbb87 This changes the revlog.group and re-implements the localrepo.changeroup Eric Hopper <hopper@omnifarious.org> parents: 1457 diff changeset	1113
1941 7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1853 diff changeset	1114 d = self.revdiff(a, b)
1598 14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	1115 p = self.parents(nb)
14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	1116 meta = nb + p[0] + p[1] + lookup(nb)
1981 736b6c96bbbc make incoming work via ssh (issue139); move chunk code into separate module. Thomas Arendsen Hein <thomas@intevation.de> parents: 1941 diff changeset	1117 yield changegroup.genchunk("%s%s" % (meta, d))
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1118
1981 736b6c96bbbc make incoming work via ssh (issue139); move chunk code into separate module. Thomas Arendsen Hein <thomas@intevation.de> parents: 1941 diff changeset	1119 yield changegroup.closechunk()
192 5d8553352d2e Changes to network protocol mpm@selenic.com parents: 155 diff changeset	1120
1062 6d5a62a549fa pep-0008 cleanup benoit.boissinot@ens-lyon.fr parents: 902 diff changeset	1121 def addgroup(self, revs, linkmapper, transaction, unique=0):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1122 """
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1123 add a delta group
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1124
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1125 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	1126 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	1127 log, the rest are against the previous delta.
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1128 """
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1129
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1130 #track the base of the current delta log
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1131 r = self.count()
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1132 t = r - 1
2002 4aab906517c6 Calling revlog.addgroup with an empty changegroup now raises RevlogError. Thomas Arendsen Hein <thomas@intevation.de> parents: 1981 diff changeset	1133 node = None
515 03f27b1381f9 Whitespace cleanups mpm@selenic.com parents: 484 diff changeset	1134
3578 3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1. Thomas Arendsen Hein <thomas@intevation.de> parents: 3505 diff changeset	1135 base = prev = nullrev
2078 441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	1136 start = end = textlen = 0
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1137 if r:
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1138 end = self.end(t)
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1139
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1140 ifh = self.opener(self.indexfile, "a+")
2077 4d0700ae0991 Fix inlined revlogs to seek to eof after opening "a+" mason@suse.com parents: 2076 diff changeset	1141 ifh.seek(0, 2)
2084 d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	1142 transaction.add(self.indexfile, ifh.tell(), self.count())
4964 ee983d0dbea8 revlog: privatize some methods Matt Mackall <mpm@selenic.com> parents: 4963 diff changeset	1143 if self._inline():
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1144 dfh = None
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1145 else:
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1146 transaction.add(self.datafile, end)
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1147 dfh = self.opener(self.datafile, "a")
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1148
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1149 # loop through our set of deltas
192 5d8553352d2e Changes to network protocol mpm@selenic.com parents: 155 diff changeset	1150 chain = None
5d8553352d2e Changes to network protocol mpm@selenic.com parents: 155 diff changeset	1151 for chunk in revs:
5d8553352d2e Changes to network protocol mpm@selenic.com parents: 155 diff changeset	1152 node, p1, p2, cs = struct.unpack("20s20s20s20s", chunk[:80])
94 7daef883134f Refactor merge code mpm@selenic.com parents: 86 diff changeset	1153 link = linkmapper(cs)
77 bed15e766511 Fix bug in lazymap code mpm@selenic.com parents: 76 diff changeset	1154 if node in self.nodemap:
224 ccbcc4d76f81 fix bad assumption about uniqueness of file versions mpm@selenic.com parents: 221 diff changeset	1155 # this can happen if two branches make the same change
1218 cde6818e082a Add preliminary support for the bundle and unbundle commands mpm@selenic.com parents: 1214 diff changeset	1156 # if unique:
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	1157 # raise RevlogError(_("already have %s") % hex(node[:4]))
653 94cdd02792b5 Fix corruption resulting from skipping parts of a revision group Matt Mackall <mpm@selenic.com> parents: 651 diff changeset	1158 chain = node
224 ccbcc4d76f81 fix bad assumption about uniqueness of file versions mpm@selenic.com parents: 221 diff changeset	1159 continue
192 5d8553352d2e Changes to network protocol mpm@selenic.com parents: 155 diff changeset	1160 delta = chunk[80:]
5d8553352d2e Changes to network protocol mpm@selenic.com parents: 155 diff changeset	1161
1509 46a07392cf28 Add safety check for addgroup Matt Mackall <mpm@selenic.com> parents: 1494 diff changeset	1162 for p in (p1, p2):
46a07392cf28 Add safety check for addgroup Matt Mackall <mpm@selenic.com> parents: 1494 diff changeset	1163 if not p in self.nodemap:
3930 01d98d68d697 Add revlog.LookupError exception, and use it instead of RevlogError. Brendan Cully <brendan@kublai.com> parents: 3928 diff changeset	1164 raise LookupError(_("unknown parent %s") % short(p))
1509 46a07392cf28 Add safety check for addgroup Matt Mackall <mpm@selenic.com> parents: 1494 diff changeset	1165
192 5d8553352d2e Changes to network protocol mpm@selenic.com parents: 155 diff changeset	1166 if not chain:
5d8553352d2e Changes to network protocol mpm@selenic.com parents: 155 diff changeset	1167 # retrieve the parent revision of the delta chain
5d8553352d2e Changes to network protocol mpm@selenic.com parents: 155 diff changeset	1168 chain = p1
5d8553352d2e Changes to network protocol mpm@selenic.com parents: 155 diff changeset	1169 if not chain in self.nodemap:
3930 01d98d68d697 Add revlog.LookupError exception, and use it instead of RevlogError. Brendan Cully <brendan@kublai.com> parents: 3928 diff changeset	1170 raise LookupError(_("unknown base %s") % short(chain[:4]))
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1171
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1172 # full versions are inserted when the needed deltas become
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1173 # comparable to the uncompressed text or when the previous
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1174 # version is not the one we have a delta against. We use
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1175 # the size of the previous full rev as a proxy for the
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1176 # current size.
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1177
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1178 if chain == prev:
1533 3d11f81c9145 Reduce string duplication in compression code mason@suse.com parents: 1509 diff changeset	1179 tempd = compress(delta)
3d11f81c9145 Reduce string duplication in compression code mason@suse.com parents: 1509 diff changeset	1180 cdelta = tempd[0] + tempd[1]
2078 441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	1181 textlen = mdiff.patchedsize(textlen, delta)
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1182
2078 441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	1183 if chain != prev or (end - start + len(cdelta)) > textlen * 2:
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1184 # flush our writes here so we can read it in revision
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1185 if dfh:
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1186 dfh.flush()
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1187 ifh.flush()
65 d40cc5aacc31 Fix up a bunch of bugs in the new merge code mpm@selenic.com parents: 64 diff changeset	1188 text = self.revision(chain)
73 ee1cbe841e01 Change revlog to use new patch code mpm@selenic.com parents: 71 diff changeset	1189 text = self.patches(text, [delta])
3390 a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	1190 chk = self._addrevision(text, transaction, link, p1, p2, None,
a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	1191 ifh, dfh)
4964 ee983d0dbea8 revlog: privatize some methods Matt Mackall <mpm@selenic.com> parents: 4963 diff changeset	1192 if not dfh and 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	1193 # addrevision switched from inline to conventional
a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	1194 # reopen the index
a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	1195 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	1196 ifh = self.opener(self.indexfile, "a")
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1197 if chk != node:
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	1198 raise RevlogError(_("consistency error adding group"))
2078 441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	1199 textlen = len(text)
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1200 else:
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	1201 e = (offset_type(end, 0), len(cdelta), textlen, base,
6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	1202 link, self.rev(p1), self.rev(p2), node)
4979 06abdaf78788 revlog: add a magic null revision to our index Matt Mackall <mpm@selenic.com> parents: 4978 diff changeset	1203 self.index.insert(-1, e)
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1204 self.nodemap[node] = r
4964 ee983d0dbea8 revlog: privatize some methods Matt Mackall <mpm@selenic.com> parents: 4963 diff changeset	1205 if self._inline():
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	1206 ifh.write(struct.pack(indexformatng, *e))
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1207 ifh.write(cdelta)
2075 343aeefb553b Make the appendfile class inline-data index friendly mason@suse.com parents: 2073 diff changeset	1208 self.checkinlinesize(transaction, ifh)
4964 ee983d0dbea8 revlog: privatize some methods Matt Mackall <mpm@selenic.com> parents: 4963 diff changeset	1209 if not self._inline():
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1210 dfh = self.opener(self.datafile, "a")
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1211 ifh = self.opener(self.indexfile, "a")
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1212 else:
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	1213 if self.version == REVLOGV0:
6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	1214 e = (end, len(cdelta), base, link, p1, p2, node)
6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	1215 entry = struct.pack(indexformatv0, *e)
6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	1216 else:
6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	1217 entry = struct.pack(indexformatng, *e)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1218 dfh.write(cdelta)
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	1219 ifh.write(entry)
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1220
65 d40cc5aacc31 Fix up a bunch of bugs in the new merge code mpm@selenic.com parents: 64 diff changeset	1221 t, r, chain, prev = r, r + 1, node, node
1749 d457fec76ab0 fix warnings from pychecker (unused variables and shadowing) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1711 diff changeset	1222 base = self.base(t)
d457fec76ab0 fix warnings from pychecker (unused variables and shadowing) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1711 diff changeset	1223 start = self.start(base)
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1224 end = self.end(t)
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1225
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1226 return node
1493 1a216cb4ee64 verify: add check for mismatch of index and data length Matt Mackall <mpm@selenic.com> parents: 1469 diff changeset	1227
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1228 def strip(self, rev, minlink):
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1229 if self.count() == 0 or rev >= self.count():
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1230 return
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1231
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1232 if isinstance(self.index, lazyindex):
4964 ee983d0dbea8 revlog: privatize some methods Matt Mackall <mpm@selenic.com> parents: 4963 diff changeset	1233 self._loadindexmap()
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1234
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1235 # When stripping away a revision, we need to make sure it
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1236 # does not actually belong to an older changeset.
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1237 # The minlink parameter defines the oldest revision
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1238 # we're allowed to strip away.
4978 93d48a8fa496 revlog: change accesses to index entry elements to use positive offsets Matt Mackall <mpm@selenic.com> parents: 4977 diff changeset	1239 while minlink > self.index[rev][4]:
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1240 rev += 1
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1241 if rev >= self.count():
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1242 return
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1243
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1244 # first truncate the files on disk
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1245 end = self.start(rev)
4964 ee983d0dbea8 revlog: privatize some methods Matt Mackall <mpm@selenic.com> parents: 4963 diff changeset	1246 if not self._inline():
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1247 df = self.opener(self.datafile, "a")
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1248 df.truncate(end)
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	1249 end = rev * self._io.size
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1250 else:
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	1251 end += rev * self._io.size
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1252
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1253 indexf = self.opener(self.indexfile, "a")
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1254 indexf.truncate(end)
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1255
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1256 # then reset internal state in memory to forget those revisions
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1257 self.cache = None
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	1258 self._io.chunkcache = None
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1259 for x in xrange(rev, self.count()):
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1260 del self.nodemap[self.node(x)]
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1261
4979 06abdaf78788 revlog: add a magic null revision to our index Matt Mackall <mpm@selenic.com> parents: 4978 diff changeset	1262 del self.index[rev:-1]
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1263
1493 1a216cb4ee64 verify: add check for mismatch of index and data length Matt Mackall <mpm@selenic.com> parents: 1469 diff changeset	1264 def checksize(self):
1a216cb4ee64 verify: add check for mismatch of index and data length Matt Mackall <mpm@selenic.com> parents: 1469 diff changeset	1265 expected = 0
1a216cb4ee64 verify: add check for mismatch of index and data length Matt Mackall <mpm@selenic.com> parents: 1469 diff changeset	1266 if self.count():
1a216cb4ee64 verify: add check for mismatch of index and data length Matt Mackall <mpm@selenic.com> parents: 1469 diff changeset	1267 expected = self.end(self.count() - 1)
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1268
1494 249ca10d37f4 Handle empty logs in repo.checksize Matt Mackall <mpm@selenic.com> parents: 1493 diff changeset	1269 try:
249ca10d37f4 Handle empty logs in repo.checksize Matt Mackall <mpm@selenic.com> parents: 1493 diff changeset	1270 f = self.opener(self.datafile)
249ca10d37f4 Handle empty logs in repo.checksize Matt Mackall <mpm@selenic.com> parents: 1493 diff changeset	1271 f.seek(0, 2)
249ca10d37f4 Handle empty logs in repo.checksize Matt Mackall <mpm@selenic.com> parents: 1493 diff changeset	1272 actual = f.tell()
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1273 dd = actual - expected
1494 249ca10d37f4 Handle empty logs in repo.checksize Matt Mackall <mpm@selenic.com> parents: 1493 diff changeset	1274 except IOError, inst:
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1275 if inst.errno != errno.ENOENT:
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1276 raise
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1277 dd = 0
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1278
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1279 try:
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1280 f = self.opener(self.indexfile)
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1281 f.seek(0, 2)
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1282 actual = f.tell()
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	1283 s = self._io.size
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1284 i = actual / s
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1285 di = actual - (i * s)
4964 ee983d0dbea8 revlog: privatize some methods Matt Mackall <mpm@selenic.com> parents: 4963 diff changeset	1286 if self._inline():
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1287 databytes = 0
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1288 for r in xrange(self.count()):
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1289 databytes += self.length(r)
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1290 dd = 0
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1291 di = actual - self.count() * s - databytes
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1292 except IOError, inst:
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1293 if inst.errno != errno.ENOENT:
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1294 raise
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1295 di = 0
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1296
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1297 return (dd, di)
1494 249ca10d37f4 Handle empty logs in repo.checksize Matt Mackall <mpm@selenic.com> parents: 1493 diff changeset	1298
249ca10d37f4 Handle empty logs in repo.checksize Matt Mackall <mpm@selenic.com> parents: 1493 diff changeset	1299

Mercurial > hg > mercurial-crew-with-dirclash

annotate mercurial/revlog.py @ 4980:fc44c8df9d99