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

annotate mercurial/revlog.py @ 4224:2a8b6d78d7ee

Merge with stable

author	Matt Mackall <mpm@selenic.com>
date	Thu, 15 Mar 2007 18:57:47 -0500
parents	40030c1b6bc6 90bb1ab53a85
children	1b5c38e9d7aa

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
2858 345bac2bc4ec update copyrights. Vadim Gelfer <vadim.gelfer@gmail.com> parents: 2801 diff changeset	7 Copyright 2005, 2006 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
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	29 def flagstr(flag):
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	30 if flag == "inline":
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	31 return REVLOGNGINLINEDATA
3679 2956948b81f3 fix warnings generated by pygettext.py. Marcos Chaves <marcos.nospam@gmail.com> parents: 3633 diff changeset	32 raise RevlogError(_("unknown revlog flag %s") % flag)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	33
1091 d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	34 def hash(text, p1, p2):
d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	35 """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	36
d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	37 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	38 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	39 content in the revision graph.
d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	40 """
d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	41 l = [p1, p2]
d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	42 l.sort()
d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	43 s = sha.new(l[0])
d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	44 s.update(l[1])
d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	45 s.update(text)
d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	46 return s.digest()
d62130f99a73 Move hash function back to revlog from node mpm@selenic.com parents: 1089 diff changeset	47
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	48 def compress(text):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	49 """ generate a possibly-compressed representation of text """
1533 3d11f81c9145 Reduce string duplication in compression code mason@suse.com parents: 1509 diff changeset	50 if not text: return ("", text)
112 aea6562add6c Make compression more intelligent: mpm@selenic.com parents: 98 diff changeset	51 if len(text) < 44:
1533 3d11f81c9145 Reduce string duplication in compression code mason@suse.com parents: 1509 diff changeset	52 if text[0] == '\0': return ("", text)
3d11f81c9145 Reduce string duplication in compression code mason@suse.com parents: 1509 diff changeset	53 return ('u', text)
112 aea6562add6c Make compression more intelligent: mpm@selenic.com parents: 98 diff changeset	54 bin = zlib.compress(text)
aea6562add6c Make compression more intelligent: mpm@selenic.com parents: 98 diff changeset	55 if len(bin) > len(text):
1533 3d11f81c9145 Reduce string duplication in compression code mason@suse.com parents: 1509 diff changeset	56 if text[0] == '\0': return ("", text)
3d11f81c9145 Reduce string duplication in compression code mason@suse.com parents: 1509 diff changeset	57 return ('u', text)
3d11f81c9145 Reduce string duplication in compression code mason@suse.com parents: 1509 diff changeset	58 return ("", bin)
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	59
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	60 def decompress(bin):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	61 """ decompress the given input """
112 aea6562add6c Make compression more intelligent: mpm@selenic.com parents: 98 diff changeset	62 if not bin: return bin
aea6562add6c Make compression more intelligent: mpm@selenic.com parents: 98 diff changeset	63 t = bin[0]
aea6562add6c Make compression more intelligent: mpm@selenic.com parents: 98 diff changeset	64 if t == '\0': return bin
aea6562add6c Make compression more intelligent: mpm@selenic.com parents: 98 diff changeset	65 if t == 'x': return zlib.decompress(bin)
aea6562add6c Make compression more intelligent: mpm@selenic.com parents: 98 diff changeset	66 if t == 'u': return bin[1:]
1853 5ac811b720de Fix some problems when working on broken repositories: Thomas Arendsen Hein <thomas@intevation.de> parents: 1784 diff changeset	67 raise RevlogError(_("unknown compression type %r") % t)
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	68
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	69 indexformatv0 = ">4l20s20s20s"
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	70 v0shaoffset = 56
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	71 # index ng:
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	72 # 6 bytes offset
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	73 # 2 bytes flags
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	74 # 4 bytes compressed length
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	75 # 4 bytes uncompressed length
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	76 # 4 bytes: base rev
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	77 # 4 bytes link rev
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	78 # 4 bytes parent 1 rev
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	79 # 4 bytes parent 2 rev
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	80 # 32 bytes: nodeid
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	81 indexformatng = ">Qiiiiii20s12x"
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	82 ngshaoffset = 32
3755 05120e210c65 Use unsigned version format. Thomas Arendsen Hein <thomas@intevation.de> parents: 3754 diff changeset	83 versionformat = ">I"
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	84
1559 59b3639df0a9 Convert all classes to new-style classes by deriving them from object. Eric Hopper <hopper@omnifarious.org> parents: 1551 diff changeset	85 class lazyparser(object):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	86 """
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	87 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	88 """
2250 45aef5ddcdbe windows: revlog.lazyparser not always safe to use. Vadim Gelfer <vadim.gelfer@gmail.com> parents: 2222 diff changeset	89
45aef5ddcdbe windows: revlog.lazyparser not always safe to use. Vadim Gelfer <vadim.gelfer@gmail.com> parents: 2222 diff changeset	90 # 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	91 # 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	92 # 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	93 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	94 hasattr(util, 'win32api'))
45aef5ddcdbe windows: revlog.lazyparser not always safe to use. Vadim Gelfer <vadim.gelfer@gmail.com> parents: 2222 diff changeset	95
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	96 def __init__(self, dataf, size, indexformat, shaoffset):
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	97 self.dataf = dataf
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	98 self.format = indexformat
76 d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files mpm@selenic.com parents: 73 diff changeset	99 self.s = struct.calcsize(indexformat)
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	100 self.indexformat = indexformat
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
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	108 self.shaoffset = shaoffset
76 d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files mpm@selenic.com parents: 73 diff changeset	109
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	110 def loadmap(self):
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	111 """
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	112 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	113 not a duplicate. This requires loading the entire index,
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	114 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	115 which takes much less time.
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	116 """
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	117 if self.allmap: return
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):
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	128 n = data[off + self.shaoffset:off + self.shaoffset + 20]
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):
323 c6f0673ab7e9 lazyparser speed ups mpm@selenic.com parents: 306 diff changeset	137 if self.all: return
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	138 if data is None:
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	139 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	140 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	141 # 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	142 # 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	143 # 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	144 blocksize = max(self.datasize - blockstart, 0)
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	145 data = self.dataf.read(blocksize)
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	146 lend = len(data) / self.s
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	147 i = blockstart / self.s
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	148 off = 0
4061 40030c1b6bc6 lazyindex: handle __delitem__ in loadblock Brendan Cully <brendan@kublai.com> parents: 3930 diff changeset	149 # lazyindex supports __delitem__
40030c1b6bc6 lazyindex: handle __delitem__ in loadblock Brendan Cully <brendan@kublai.com> parents: 3930 diff changeset	150 if lend > len(self.index) - i:
40030c1b6bc6 lazyindex: handle __delitem__ in loadblock Brendan Cully <brendan@kublai.com> parents: 3930 diff changeset	151 lend = len(self.index) - i
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	152 for x in xrange(lend):
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	153 if self.index[i + x] == None:
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	154 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	155 self.index[i + x] = b
1cbb14c048cb Reduce index memory usage by storing the bare string instead of tuples mason@suse.com parents: 2079 diff changeset	156 n = b[self.shaoffset:self.shaoffset + 20]
1cbb14c048cb Reduce index memory usage by storing the bare string instead of tuples mason@suse.com parents: 2079 diff changeset	157 self.map[n] = i + x
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	158 off += self.s
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	159
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	160 def findnode(self, node):
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	161 """search backwards through the index file for a specific node"""
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	162 if self.allmap: return None
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	163
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	164 # hg log will cause many many searches for the manifest
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	165 # 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	166 # thing.
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	167 if self.mapfind_count > 8:
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	168 self.loadmap()
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	169 if node in self.map:
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	170 return node
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	171 return None
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	172 self.mapfind_count += 1
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	173 last = self.l - 1
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	174 while self.index[last] != None:
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	175 if last == 0:
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	176 self.all = 1
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	177 self.allmap = 1
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	178 return None
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	179 last -= 1
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	180 end = (last + 1) * self.s
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	181 blocksize = self.s * 256
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	182 while end >= 0:
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	183 start = max(end - blocksize, 0)
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	184 self.dataf.seek(start)
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	185 data = self.dataf.read(end - start)
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	186 findend = end - start
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	187 while True:
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	188 # we're searching backwards, so weh have to make sure
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	189 # 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	190 off = data.rfind(node, 0, findend)
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	191 findend = off
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	192 if off >= 0:
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	193 i = off / self.s
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	194 off = i * self.s
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	195 n = data[off + self.shaoffset:off + self.shaoffset + 20]
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	196 if n == node:
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	197 self.map[n] = i + start / self.s
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	198 return node
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	199 else:
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	200 break
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	201 end -= blocksize
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	202 return None
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	203
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	204 def loadindex(self, i=None, end=None):
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	205 if self.all: return
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	206 all = False
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	207 if i == None:
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	208 blockstart = 0
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	209 blocksize = (512 / self.s) * self.s
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	210 end = self.datasize
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	211 all = True
323 c6f0673ab7e9 lazyparser speed ups mpm@selenic.com parents: 306 diff changeset	212 else:
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	213 if end:
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	214 blockstart = i * self.s
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	215 end = end * self.s
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	216 blocksize = end - blockstart
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	217 else:
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	218 blockstart = (i & ~(32)) * self.s
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	219 blocksize = self.s * 64
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	220 end = blockstart + blocksize
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	221 while blockstart < end:
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	222 self.loadblock(blockstart, blocksize)
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	223 blockstart += blocksize
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	224 if all: self.all = True
515 03f27b1381f9 Whitespace cleanups mpm@selenic.com parents: 484 diff changeset	225
1559 59b3639df0a9 Convert all classes to new-style classes by deriving them from object. Eric Hopper <hopper@omnifarious.org> parents: 1551 diff changeset	226 class lazyindex(object):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	227 """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	228 def __init__(self, parser):
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files mpm@selenic.com parents: 73 diff changeset	229 self.p = parser
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files mpm@selenic.com parents: 73 diff changeset	230 def __len__(self):
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files mpm@selenic.com parents: 73 diff changeset	231 return len(self.p.index)
115 39b438eeb25a Make lazyindex load slightly faster mpm@selenic.com parents: 112 diff changeset	232 def load(self, pos):
1403 bc3e66edb04c lazyindex fix, make load handle negative indexes properly. Eric Hopper <hopper@omnifarious.org> parents: 1402 diff changeset	233 if pos < 0:
bc3e66edb04c lazyindex fix, make load handle negative indexes properly. Eric Hopper <hopper@omnifarious.org> parents: 1402 diff changeset	234 pos += len(self.p.index)
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	235 self.p.loadindex(pos)
115 39b438eeb25a Make lazyindex load slightly faster mpm@selenic.com parents: 112 diff changeset	236 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	237 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	238 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	239 if isinstance(ret, str):
1cbb14c048cb Reduce index memory usage by storing the bare string instead of tuples mason@suse.com parents: 2079 diff changeset	240 ret = struct.unpack(self.p.indexformat, ret)
1cbb14c048cb Reduce index memory usage by storing the bare string instead of tuples mason@suse.com parents: 2079 diff changeset	241 return ret
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	242 def __setitem__(self, pos, item):
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	243 self.p.index[pos] = item
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	244 def __delitem__(self, pos):
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	245 del 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	246 def append(self, e):
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files mpm@selenic.com parents: 73 diff changeset	247 self.p.index.append(e)
515 03f27b1381f9 Whitespace cleanups mpm@selenic.com parents: 484 diff changeset	248
1559 59b3639df0a9 Convert all classes to new-style classes by deriving them from object. Eric Hopper <hopper@omnifarious.org> parents: 1551 diff changeset	249 class lazymap(object):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	250 """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	251 def __init__(self, parser):
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files mpm@selenic.com parents: 73 diff changeset	252 self.p = parser
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files mpm@selenic.com parents: 73 diff changeset	253 def load(self, key):
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	254 n = self.p.findnode(key)
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	255 if n == None:
1214 34706a835d4a Smarter handling of revlog key errors mpm@selenic.com parents: 1201 diff changeset	256 raise KeyError(key)
76 d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files mpm@selenic.com parents: 73 diff changeset	257 def __contains__(self, key):
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	258 if key in self.p.map:
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	259 return True
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	260 self.p.loadmap()
323 c6f0673ab7e9 lazyparser speed ups mpm@selenic.com parents: 306 diff changeset	261 return key in self.p.map
97 7a2abee6b0c2 Add iterator to the lazymap code mpm@selenic.com parents: 94 diff changeset	262 def __iter__(self):
469 e205194ca7ef Various node id lookup tweaks mpm@selenic.com parents: 451 diff changeset	263 yield nullid
97 7a2abee6b0c2 Add iterator to the lazymap code mpm@selenic.com parents: 94 diff changeset	264 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	265 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	266 if not ret:
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	267 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	268 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	269 if isinstance(ret, str):
1cbb14c048cb Reduce index memory usage by storing the bare string instead of tuples mason@suse.com parents: 2079 diff changeset	270 ret = struct.unpack(self.p.indexformat, ret)
1cbb14c048cb Reduce index memory usage by storing the bare string instead of tuples mason@suse.com parents: 2079 diff changeset	271 yield ret[-1]
76 d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files mpm@selenic.com parents: 73 diff changeset	272 def __getitem__(self, key):
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files mpm@selenic.com parents: 73 diff changeset	273 try:
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files mpm@selenic.com parents: 73 diff changeset	274 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	275 except KeyError:
86 1b945e8ba67b Friendlier exceptions for unknown node errors mpm@selenic.com parents: 84 diff changeset	276 try:
1b945e8ba67b Friendlier exceptions for unknown node errors mpm@selenic.com parents: 84 diff changeset	277 self.load(key)
1b945e8ba67b Friendlier exceptions for unknown node errors mpm@selenic.com parents: 84 diff changeset	278 return self.p.map[key]
1b945e8ba67b Friendlier exceptions for unknown node errors mpm@selenic.com parents: 84 diff changeset	279 except KeyError:
1b945e8ba67b Friendlier exceptions for unknown node errors mpm@selenic.com parents: 84 diff changeset	280 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	281 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	282 self.p.map[key] = val
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	283 def __delitem__(self, key):
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	284 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	285
1073 7b35a980b982 [PATCH] raise exceptions with Exception subclasses Bart Trojanowski <bart@jukie.net> parents: 1062 diff changeset	286 class RevlogError(Exception): pass
3930 01d98d68d697 Add revlog.LookupError exception, and use it instead of RevlogError. Brendan Cully <brendan@kublai.com> parents: 3928 diff changeset	287 class LookupError(RevlogError): pass
1073 7b35a980b982 [PATCH] raise exceptions with Exception subclasses Bart Trojanowski <bart@jukie.net> parents: 1062 diff changeset	288
1559 59b3639df0a9 Convert all classes to new-style classes by deriving them from object. Eric Hopper <hopper@omnifarious.org> parents: 1551 diff changeset	289 class revlog(object):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	290 """
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	291 the underlying revision storage object
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	292
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	293 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	294
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	295 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	296 information on each revision, includings its nodeid (hash), the
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	297 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	298 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	299 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	300 data.
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	301
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	302 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	303 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	304 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	305 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	306 version data. This makes retrieval of a version proportional to
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	307 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	308
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	309 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	310 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	311 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	312 for locking while reading.
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	313 """
2222 c9e264b115e6 Use revlogng and inlined data files by default mason@suse.com parents: 2177 diff changeset	314 def __init__(self, opener, indexfile, datafile,
c9e264b115e6 Use revlogng and inlined data files by default mason@suse.com parents: 2177 diff changeset	315 defversion=REVLOG_DEFAULT_VERSION):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	316 """
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	317 create a revlog object
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	318
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	319 opener is a function that abstracts the file opening operation
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	320 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	321 """
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	322 self.indexfile = indexfile
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	323 self.datafile = datafile
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	324 self.opener = opener
1784 2e0a288ca93e revalidate revlog data after locking the repo (issue132) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1749 diff changeset	325
2e0a288ca93e revalidate revlog data after locking the repo (issue132) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1749 diff changeset	326 self.indexstat = None
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	327 self.cache = None
1598 14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	328 self.chunkcache = None
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	329 self.defversion = defversion
1784 2e0a288ca93e revalidate revlog data after locking the repo (issue132) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1749 diff changeset	330 self.load()
116 e484cd5ec282 Only use lazy indexing for big indices and avoid the overhead of the mpm@selenic.com parents: 115 diff changeset	331
1784 2e0a288ca93e revalidate revlog data after locking the repo (issue132) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1749 diff changeset	332 def load(self):
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	333 v = self.defversion
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	334 try:
1784 2e0a288ca93e revalidate revlog data after locking the repo (issue132) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1749 diff changeset	335 f = self.opener(self.indexfile)
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	336 i = f.read(4)
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	337 f.seek(0)
1322 b3d44e9b3092 Make revlog constructor more discerning in its treatment of errors. Bryan O'Sullivan <bos@serpentine.com> parents: 1232 diff changeset	338 except IOError, inst:
b3d44e9b3092 Make revlog constructor more discerning in its treatment of errors. Bryan O'Sullivan <bos@serpentine.com> parents: 1232 diff changeset	339 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	340 raise
76 d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files mpm@selenic.com parents: 73 diff changeset	341 i = ""
1784 2e0a288ca93e revalidate revlog data after locking the repo (issue132) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1749 diff changeset	342 else:
2e0a288ca93e revalidate revlog data after locking the repo (issue132) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1749 diff changeset	343 try:
2176 9b42304d9896 fix file handling bugs on windows. Vadim Gelfer <vadim.gelfer@gmail.com> parents: 2089 diff changeset	344 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	345 except AttributeError, inst:
2e0a288ca93e revalidate revlog data after locking the repo (issue132) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1749 diff changeset	346 st = None
2e0a288ca93e revalidate revlog data after locking the repo (issue132) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1749 diff changeset	347 else:
2e0a288ca93e revalidate revlog data after locking the repo (issue132) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1749 diff changeset	348 oldst = self.indexstat
2e0a288ca93e revalidate revlog data after locking the repo (issue132) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1749 diff changeset	349 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	350 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	351 and st.st_mtime == oldst.st_mtime
2e0a288ca93e revalidate revlog data after locking the repo (issue132) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1749 diff changeset	352 and st.st_ctime == oldst.st_ctime):
2e0a288ca93e revalidate revlog data after locking the repo (issue132) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1749 diff changeset	353 return
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	354 self.indexstat = st
2138 f5046cab9e2e Fix revlog-ng interaction with old-http. Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 2089 diff changeset	355 if len(i) > 0:
f5046cab9e2e Fix revlog-ng interaction with old-http. Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 2089 diff changeset	356 v = struct.unpack(versionformat, i)[0]
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	357 flags = v & ~0xFFFF
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	358 fmt = v & 0xFFFF
2142 8a1e2a9c7013 Replaced 0 with REVLOGV0 where this meaning is used. Thomas Arendsen Hein <thomas@intevation.de> parents: 2141 diff changeset	359 if fmt == REVLOGV0:
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	360 if flags:
3754 cd25a4a1a265 Improve error message for unknown revlog flags. Thomas Arendsen Hein <thomas@intevation.de> parents: 3744 diff changeset	361 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	362 % (self.indexfile, flags >> 16))
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	363 elif fmt == REVLOGNG:
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	364 if flags & ~REVLOGNGINLINEDATA:
3754 cd25a4a1a265 Improve error message for unknown revlog flags. Thomas Arendsen Hein <thomas@intevation.de> parents: 3744 diff changeset	365 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	366 % (self.indexfile, flags >> 16))
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	367 else:
3744 3a099154b110 Make revlog error slightly less scary Matt Mackall <mpm@selenic.com> parents: 3683 diff changeset	368 raise RevlogError(_("index %s unknown format %d")
3680 69cf255a55a1 Indentation cleanups for 2956948b81f3. Thomas Arendsen Hein <thomas@intevation.de> parents: 3679 diff changeset	369 % (self.indexfile, fmt))
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	370 self.version = v
2142 8a1e2a9c7013 Replaced 0 with REVLOGV0 where this meaning is used. Thomas Arendsen Hein <thomas@intevation.de> parents: 2141 diff changeset	371 if v == REVLOGV0:
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	372 self.indexformat = indexformatv0
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	373 shaoffset = v0shaoffset
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	374 else:
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	375 self.indexformat = indexformatng
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	376 shaoffset = ngshaoffset
116 e484cd5ec282 Only use lazy indexing for big indices and avoid the overhead of the mpm@selenic.com parents: 115 diff changeset	377
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	378 if i:
2250 45aef5ddcdbe windows: revlog.lazyparser not always safe to use. Vadim Gelfer <vadim.gelfer@gmail.com> parents: 2222 diff changeset	379 if (lazyparser.safe_to_use and not self.inlinedata() and
45aef5ddcdbe windows: revlog.lazyparser not always safe to use. Vadim Gelfer <vadim.gelfer@gmail.com> parents: 2222 diff changeset	380 st and st.st_size > 10000):
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	381 # big index, let's parse it on demand
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	382 parser = lazyparser(f, st.st_size, self.indexformat, shaoffset)
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	383 self.index = lazyindex(parser)
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	384 self.nodemap = lazymap(parser)
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	385 else:
2255 3f38e872f39a Reduce ram used for very large inlined index files mason@suse.com parents: 2250 diff changeset	386 self.parseindex(f, st)
2142 8a1e2a9c7013 Replaced 0 with REVLOGV0 where this meaning is used. Thomas Arendsen Hein <thomas@intevation.de> parents: 2141 diff changeset	387 if self.version != REVLOGV0:
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	388 e = list(self.index[0])
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	389 type = self.ngtype(e[0])
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	390 e[0] = self.offset_type(0, type)
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	391 self.index[0] = e
116 e484cd5ec282 Only use lazy indexing for big indices and avoid the overhead of the mpm@selenic.com parents: 115 diff changeset	392 else:
3578 3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1. Thomas Arendsen Hein <thomas@intevation.de> parents: 3505 diff changeset	393 self.nodemap = {nullid: nullrev}
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	394 self.index = []
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	395
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	396
2255 3f38e872f39a Reduce ram used for very large inlined index files mason@suse.com parents: 2250 diff changeset	397 def parseindex(self, fp, st):
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	398 s = struct.calcsize(self.indexformat)
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	399 self.index = []
3578 3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1. Thomas Arendsen Hein <thomas@intevation.de> parents: 3505 diff changeset	400 self.nodemap = {nullid: nullrev}
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	401 inline = self.inlinedata()
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	402 n = 0
2255 3f38e872f39a Reduce ram used for very large inlined index files mason@suse.com parents: 2250 diff changeset	403 leftover = None
3f38e872f39a Reduce ram used for very large inlined index files mason@suse.com parents: 2250 diff changeset	404 while True:
3f38e872f39a Reduce ram used for very large inlined index files mason@suse.com parents: 2250 diff changeset	405 if st:
3f38e872f39a Reduce ram used for very large inlined index files mason@suse.com parents: 2250 diff changeset	406 data = fp.read(65536)
3f38e872f39a Reduce ram used for very large inlined index files mason@suse.com parents: 2250 diff changeset	407 else:
3f38e872f39a Reduce ram used for very large inlined index files mason@suse.com parents: 2250 diff changeset	408 # hack for httprangereader, it doesn't do partial reads well
3f38e872f39a Reduce ram used for very large inlined index files mason@suse.com parents: 2250 diff changeset	409 data = fp.read()
3f38e872f39a Reduce ram used for very large inlined index files mason@suse.com parents: 2250 diff changeset	410 if not data:
3f38e872f39a Reduce ram used for very large inlined index files mason@suse.com parents: 2250 diff changeset	411 break
3f38e872f39a Reduce ram used for very large inlined index files mason@suse.com parents: 2250 diff changeset	412 if n == 0 and self.inlinedata():
3f38e872f39a Reduce ram used for very large inlined index files mason@suse.com parents: 2250 diff changeset	413 # cache the first chunk
3f38e872f39a Reduce ram used for very large inlined index files mason@suse.com parents: 2250 diff changeset	414 self.chunkcache = (0, data)
2289 854954fd410a Fix revlog.parseindex Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 2255 diff changeset	415 if leftover:
854954fd410a Fix revlog.parseindex Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 2255 diff changeset	416 data = leftover + data
854954fd410a Fix revlog.parseindex Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 2255 diff changeset	417 leftover = None
2255 3f38e872f39a Reduce ram used for very large inlined index files mason@suse.com parents: 2250 diff changeset	418 off = 0
3f38e872f39a Reduce ram used for very large inlined index files mason@suse.com parents: 2250 diff changeset	419 l = len(data)
3f38e872f39a Reduce ram used for very large inlined index files mason@suse.com parents: 2250 diff changeset	420 while off < l:
3f38e872f39a Reduce ram used for very large inlined index files mason@suse.com parents: 2250 diff changeset	421 if l - off < s:
3f38e872f39a Reduce ram used for very large inlined index files mason@suse.com parents: 2250 diff changeset	422 leftover = data[off:]
3f38e872f39a Reduce ram used for very large inlined index files mason@suse.com parents: 2250 diff changeset	423 break
2289 854954fd410a Fix revlog.parseindex Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 2255 diff changeset	424 cur = data[off:off + s]
854954fd410a Fix revlog.parseindex Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 2255 diff changeset	425 off += s
2255 3f38e872f39a Reduce ram used for very large inlined index files mason@suse.com parents: 2250 diff changeset	426 e = struct.unpack(self.indexformat, cur)
3f38e872f39a Reduce ram used for very large inlined index files mason@suse.com parents: 2250 diff changeset	427 self.index.append(e)
3f38e872f39a Reduce ram used for very large inlined index files mason@suse.com parents: 2250 diff changeset	428 self.nodemap[e[-1]] = n
3f38e872f39a Reduce ram used for very large inlined index files mason@suse.com parents: 2250 diff changeset	429 n += 1
3f38e872f39a Reduce ram used for very large inlined index files mason@suse.com parents: 2250 diff changeset	430 if inline:
4222 90bb1ab53a85 revlog: attempt to gracefully handle some interleaved damage Matt Mackall <mpm@selenic.com> parents: 3925 diff changeset	431 if e[1] < 0:
90bb1ab53a85 revlog: attempt to gracefully handle some interleaved damage Matt Mackall <mpm@selenic.com> parents: 3925 diff changeset	432 break
2255 3f38e872f39a Reduce ram used for very large inlined index files mason@suse.com parents: 2250 diff changeset	433 off += e[1]
3f38e872f39a Reduce ram used for very large inlined index files mason@suse.com parents: 2250 diff changeset	434 if off > l:
3f38e872f39a Reduce ram used for very large inlined index files mason@suse.com parents: 2250 diff changeset	435 # some things don't seek well, just read it
3f38e872f39a Reduce ram used for very large inlined index files mason@suse.com parents: 2250 diff changeset	436 fp.read(off - l)
4222 90bb1ab53a85 revlog: attempt to gracefully handle some interleaved damage Matt Mackall <mpm@selenic.com> parents: 3925 diff changeset	437 break
2255 3f38e872f39a Reduce ram used for very large inlined index files mason@suse.com parents: 2250 diff changeset	438 if not st:
3f38e872f39a Reduce ram used for very large inlined index files mason@suse.com parents: 2250 diff changeset	439 break
2600 c4325f0a9b91 clean up trailing white space. Vadim Gelfer <vadim.gelfer@gmail.com> parents: 2561 diff changeset	440
116 e484cd5ec282 Only use lazy indexing for big indices and avoid the overhead of the mpm@selenic.com parents: 115 diff changeset	441
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	442 def ngoffset(self, q):
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	443 if q & 0xFFFF:
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	444 raise RevlogError(_('%s: incompatible revision flag %x') %
2141 ed631e83fa06 Corrected error message for incompatible revision flags. Thomas Arendsen Hein <thomas@intevation.de> parents: 2138 diff changeset	445 (self.indexfile, q))
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	446 return long(q >> 16)
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	447
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	448 def ngtype(self, q):
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	449 return int(q & 0xFFFF)
116 e484cd5ec282 Only use lazy indexing for big indices and avoid the overhead of the mpm@selenic.com parents: 115 diff changeset	450
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	451 def offset_type(self, offset, type):
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	452 return long(long(offset) << 16 \| type)
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	453
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	454 def loadindex(self, start, end):
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	455 """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	456 if isinstance(self.index, lazyindex):
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	457 self.index.p.loadindex(start, end)
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	458
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	459 def loadindexmap(self):
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	460 """loads both the map and the index from the lazy parser"""
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	461 if isinstance(self.index, lazyindex):
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	462 p = self.index.p
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	463 p.loadindex()
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	464 self.nodemap = p.map
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	465
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	466 def loadmap(self):
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	467 """loads the map from the lazy parser"""
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	468 if isinstance(self.nodemap, lazymap):
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	469 self.nodemap.p.loadmap()
ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	470 self.nodemap = self.nodemap.p.map
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	471
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	472 def inlinedata(self): return self.version & REVLOGNGINLINEDATA
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	473 def tip(self): return self.node(len(self.index) - 1)
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	474 def count(self): return len(self.index)
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	475 def node(self, rev):
3585 cac2c17bec5a revlog: more nullrev fixes Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3584 diff changeset	476 return rev == nullrev and nullid or self.index[rev][-1]
1201 59bfbdbc38f6 revlog: raise informative exception if file is missing. Bryan O'Sullivan <bos@serpentine.com> parents: 1099 diff changeset	477 def rev(self, node):
59bfbdbc38f6 revlog: raise informative exception if file is missing. Bryan O'Sullivan <bos@serpentine.com> parents: 1099 diff changeset	478 try:
59bfbdbc38f6 revlog: raise informative exception if file is missing. Bryan O'Sullivan <bos@serpentine.com> parents: 1099 diff changeset	479 return self.nodemap[node]
59bfbdbc38f6 revlog: raise informative exception if file is missing. Bryan O'Sullivan <bos@serpentine.com> parents: 1099 diff changeset	480 except KeyError:
3930 01d98d68d697 Add revlog.LookupError exception, and use it instead of RevlogError. Brendan Cully <brendan@kublai.com> parents: 3928 diff changeset	481 raise LookupError(_('%s: no node %s') % (self.indexfile, hex(node)))
2651 6414ee2eb688 correct the handling of linkrev with nullid Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 2650 diff changeset	482 def linkrev(self, node):
3578 3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1. Thomas Arendsen Hein <thomas@intevation.de> parents: 3505 diff changeset	483 return (node == nullid) and nullrev or self.index[self.rev(node)][-4]
2 ecf3fd948051 Handle nullid better for ancestor mpm@selenic.com parents: 0 diff changeset	484 def parents(self, node):
ecf3fd948051 Handle nullid better for ancestor mpm@selenic.com parents: 0 diff changeset	485 if node == nullid: return (nullid, nullid)
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	486 r = self.rev(node)
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	487 d = self.index[r][-3:-1]
2142 8a1e2a9c7013 Replaced 0 with REVLOGV0 where this meaning is used. Thomas Arendsen Hein <thomas@intevation.de> parents: 2141 diff changeset	488 if self.version == REVLOGV0:
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	489 return d
3505 0aef94f45ebf revlog.py: always return tuples from parents and parentrevs Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3499 diff changeset	490 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	491 def parentrevs(self, rev):
3578 3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1. Thomas Arendsen Hein <thomas@intevation.de> parents: 3505 diff changeset	492 if rev == nullrev:
3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1. Thomas Arendsen Hein <thomas@intevation.de> parents: 3505 diff changeset	493 return (nullrev, nullrev)
2489 568e58eed096 Add revlog.parentrevs function. Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 2354 diff changeset	494 d = self.index[rev][-3:-1]
568e58eed096 Add revlog.parentrevs function. Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 2354 diff changeset	495 if self.version == REVLOGV0:
3505 0aef94f45ebf revlog.py: always return tuples from parents and parentrevs Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3499 diff changeset	496 return (self.rev(d[0]), self.rev(d[1]))
2489 568e58eed096 Add revlog.parentrevs function. Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 2354 diff changeset	497 return d
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	498 def start(self, rev):
3585 cac2c17bec5a revlog: more nullrev fixes Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3584 diff changeset	499 if rev == nullrev:
3584 8dbbe4dadb48 revlog: return 0 as offset for nullid Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3582 diff changeset	500 return 0
2142 8a1e2a9c7013 Replaced 0 with REVLOGV0 where this meaning is used. Thomas Arendsen Hein <thomas@intevation.de> parents: 2141 diff changeset	501 if self.version != REVLOGV0:
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	502 return self.ngoffset(self.index[rev][0])
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	503 return self.index[rev][0]
2078 441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	504
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	505 def end(self, rev): return self.start(rev) + self.length(rev)
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	506
2078 441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	507 def size(self, rev):
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	508 """return the length of the uncompressed text for a given revision"""
3582 9fb7d3a05882 revlog.size() fix handling of rev == -1 Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3578 diff changeset	509 if rev == nullrev:
9fb7d3a05882 revlog.size() fix handling of rev == -1 Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3578 diff changeset	510 return 0
2078 441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	511 l = -1
2142 8a1e2a9c7013 Replaced 0 with REVLOGV0 where this meaning is used. Thomas Arendsen Hein <thomas@intevation.de> parents: 2141 diff changeset	512 if self.version != REVLOGV0:
2078 441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	513 l = self.index[rev][2]
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	514 if l >= 0:
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	515 return l
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	516
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	517 t = self.revision(self.node(rev))
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	518 return len(t)
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	519
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	520 # 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	521 # 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	522 # 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	523 """
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	524 if self.cache and self.cache[1] == rev:
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	525 return len(self.cache[2])
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 base = self.base(rev)
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	528 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	529 base = self.cache[1]
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	530 text = self.cache[2]
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	531 else:
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	532 text = self.revision(self.node(base))
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 l = len(text)
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	535 for x in xrange(base + 1, rev + 1):
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	536 l = mdiff.patchedsize(l, self.chunk(x))
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	537 return l
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	538 """
441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	539
1941 7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1853 diff changeset	540 def length(self, rev):
3585 cac2c17bec5a revlog: more nullrev fixes Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3584 diff changeset	541 if rev == nullrev:
1941 7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1853 diff changeset	542 return 0
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1853 diff changeset	543 else:
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1853 diff changeset	544 return self.index[rev][1]
3585 cac2c17bec5a revlog: more nullrev fixes Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3584 diff changeset	545 def base(self, rev):
cac2c17bec5a revlog: more nullrev fixes Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3584 diff changeset	546 if (rev == nullrev):
cac2c17bec5a revlog: more nullrev fixes Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3584 diff changeset	547 return nullrev
cac2c17bec5a revlog: more nullrev fixes Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3584 diff changeset	548 else:
cac2c17bec5a revlog: more nullrev fixes Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3584 diff changeset	549 return self.index[rev][-5]
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	550
3633 508036290b00 revlog: reachable actually takes a node Matt Mackall <mpm@selenic.com> parents: 3585 diff changeset	551 def reachable(self, node, stop=None):
3683 b0fd43effdb3 add docstring to reachable Matt Mackall <mpm@selenic.com> parents: 3680 diff changeset	552 """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	553 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	554 reachable = {}
3633 508036290b00 revlog: reachable actually takes a node Matt Mackall <mpm@selenic.com> parents: 3585 diff changeset	555 visit = [node]
508036290b00 revlog: reachable actually takes a node Matt Mackall <mpm@selenic.com> parents: 3585 diff changeset	556 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	557 if stop:
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	558 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	559 else:
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	560 stopn = 0
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	561 while visit:
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	562 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	563 if n == stop:
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	564 continue
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	565 if n == nullid:
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	566 continue
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	567 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	568 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	569 continue
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	570 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	571 reachable[p] = 1
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	572 visit.append(p)
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	573 return reachable
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev mason@suse.com parents: 1073 diff changeset	574
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	575 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	576 """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	577 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	578 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	579
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	580 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	581 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	582 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	583 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	584 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	585
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	586 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	587 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	588 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	589 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	590 nonodes = ([], [], [])
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	591 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	592 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	593 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	594 return nonodes
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	595 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	596 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	597 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	598 lowestrev = nullrev
3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1. Thomas Arendsen Hein <thomas@intevation.de> parents: 3505 diff changeset	599 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	600 # 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	601 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	602 [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	603 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	604 # 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	605 # node.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	606 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	607 # 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	608 ancestors = None
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	609 # 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	610 heads = {}
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	611 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	612 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	613 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	614 return nonodes
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	615 ancestors = {}
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	616 # 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	617 # 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	618 # find from roots.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	619 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	620 # 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	621 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	622 # 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	623 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	624 while nodestotag:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	625 # 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	626 n = nodestotag.pop()
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	627 # Never tag nullid
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	628 if n == nullid:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	629 continue
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	630 # 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	631 # 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	632 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	633 if r >= lowestrev:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	634 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	635 # 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	636 # 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	637 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	638 # 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	639 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	640 p != nullid])
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	641 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	642 # 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	643 # any other heads.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	644 heads.pop(n)
1459 106fdec8e1fb Fix small bug in nodesbetween if heads is [nullid]. Eric Hopper <hopper@omnifarious.org> parents: 1458 diff changeset	645 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	646 return nonodes
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	647 # 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	648 # 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	649
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	650 # 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	651 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	652 # 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	653 # 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	654
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	655 # 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	656 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	657 # 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	658 if roots:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	659 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	660 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	661 # 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	662 return nonodes
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	663 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	664 # 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	665 # 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	666 lowestrev = nullrev
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	667 roots = [nullid]
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	668 # 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	669 # 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	670 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	671 # 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	672 # '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	673 roots = descendents.copy()
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	674 # 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	675 orderedout = []
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	676 # 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	677 # 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	678 # they're descendents.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	679 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	680 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	681 isdescendent = False
3578 3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1. Thomas Arendsen Hein <thomas@intevation.de> parents: 3505 diff changeset	682 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	683 isdescendent = True
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	684 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	685 # 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	686 isdescendent = True
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	687 # 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	688 # 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	689 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	690 # 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	691 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	692 # 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	693 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	694 roots.pop(n)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	695 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	696 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	697 # 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	698 # 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	699 # up there, remember?)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	700 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	701 descendents[n] = 1
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	702 isdescendent = True
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	703 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	704 # 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	705 orderedout.append(n)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	706 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	707 # 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	708 # from roots.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	709 # 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	710 heads[n] = 1
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	711 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	712 # 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	713 # 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	714 # 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	715 heads[n] = 1
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	716 # 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	717 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	718 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	719 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	720 roots = roots.keys()
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	721 assert orderedout
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	722 assert roots
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	723 assert heads
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	724 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	725
3925 27230c29bfec fix calculation of new heads added during push with -r Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3755 diff changeset	726 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	727 """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	728
e793cbc8be00 Fixes to "hg heads -r FOO": Thomas Arendsen Hein <thomas@intevation.de> parents: 1550 diff changeset	729 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	730 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	731 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	732 as if they had no children
1551 e793cbc8be00 Fixes to "hg heads -r FOO": Thomas Arendsen Hein <thomas@intevation.de> parents: 1550 diff changeset	733 """
e793cbc8be00 Fixes to "hg heads -r FOO": Thomas Arendsen Hein <thomas@intevation.de> parents: 1550 diff changeset	734 if start is None:
e793cbc8be00 Fixes to "hg heads -r FOO": Thomas Arendsen Hein <thomas@intevation.de> parents: 1550 diff changeset	735 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	736 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	737 stop = []
27230c29bfec fix calculation of new heads added during push with -r Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3755 diff changeset	738 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	739 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	740 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	741 heads = {startrev: 1}
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	742
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	743 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	744 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	745 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	746 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	747 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	748 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	749 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	750 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	751 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	752
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	753 return [self.node(r) for r in heads]
370 c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	754
c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	755 def children(self, node):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	756 """find the children of a given node"""
370 c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	757 c = []
c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	758 p = self.rev(node)
c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	759 for r in range(p + 1, self.count()):
3469 fd8f1110562c fix errors spotted by pychecker Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3465 diff changeset	760 for pr in self.parentrevs(r):
3465 c6773b7ebee8 revlog.children: use parentrevs instead of parents Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3438 diff changeset	761 if pr == p:
c6773b7ebee8 revlog.children: use parentrevs instead of parents Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3438 diff changeset	762 c.append(self.node(r))
370 c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	763 return c
515 03f27b1381f9 Whitespace cleanups mpm@selenic.com parents: 484 diff changeset	764
3494 dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	765 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	766 if isinstance(id, (long, int)):
3152 d01e4cb2f5f2 cleanups in revlog.lookup Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3139 diff changeset	767 # 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	768 return self.node(id)
3438 b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	769 if len(id) == 20:
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	770 # possibly a binary node
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	771 # 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	772 try:
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	773 node = id
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	774 r = self.rev(node) # quick search the index
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	775 return node
3930 01d98d68d697 Add revlog.LookupError exception, and use it instead of RevlogError. Brendan Cully <brendan@kublai.com> parents: 3928 diff changeset	776 except LookupError:
3438 b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	777 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	778 try:
3152 d01e4cb2f5f2 cleanups in revlog.lookup Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3139 diff changeset	779 # str(rev)
36 da28286bf6b7 Add smart node lookup by substring or by rev number mpm@selenic.com parents: 26 diff changeset	780 rev = int(id)
469 e205194ca7ef Various node id lookup tweaks mpm@selenic.com parents: 451 diff changeset	781 if str(rev) != id: raise ValueError
e205194ca7ef Various node id lookup tweaks mpm@selenic.com parents: 451 diff changeset	782 if rev < 0: rev = self.count() + rev
476 0a338d506268 Really _call_ method revlog.count in revlog.lookup() Thomas Arendsen Hein <thomas@intevation.de> parents: 469 diff changeset	783 if rev < 0 or rev >= self.count(): raise ValueError
36 da28286bf6b7 Add smart node lookup by substring or by rev number mpm@selenic.com parents: 26 diff changeset	784 return self.node(rev)
469 e205194ca7ef Various node id lookup tweaks mpm@selenic.com parents: 451 diff changeset	785 except (ValueError, OverflowError):
3152 d01e4cb2f5f2 cleanups in revlog.lookup Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3139 diff changeset	786 pass
3494 dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	787 if len(id) == 40:
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	788 try:
3438 b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	789 # a full hex nodeid?
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	790 node = bin(id)
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	791 r = self.rev(node)
3153 4fe41a9e4591 optimize revlog.lookup when passed hex(node)[:...] Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3152 diff changeset	792 return node
3494 dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	793 except TypeError:
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	794 pass
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	795
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	796 def _partialmatch(self, id):
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	797 if len(id) < 40:
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	798 try:
3438 b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	799 # hex(node)[:...]
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	800 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	801 node = None
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	802 for n in self.nodemap:
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	803 if n.startswith(bin_id) and hex(n).startswith(id):
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	804 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	805 raise LookupError(_("Ambiguous identifier"))
3438 b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	806 node = n
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	807 if node is not None:
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	808 return node
3494 dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	809 except TypeError:
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	810 pass
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	811
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	812 def lookup(self, id):
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	813 """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	814 - 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	815 - 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	816 """
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 n = self._match(id)
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	819 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	820 return n
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	821 n = self._partialmatch(id)
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	822 if n:
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	823 return n
515 03f27b1381f9 Whitespace cleanups mpm@selenic.com parents: 484 diff changeset	824
3930 01d98d68d697 Add revlog.LookupError exception, and use it instead of RevlogError. Brendan Cully <brendan@kublai.com> parents: 3928 diff changeset	825 raise LookupError(_("No match found"))
36 da28286bf6b7 Add smart node lookup by substring or by rev number mpm@selenic.com parents: 26 diff changeset	826
2910 5df3e5cf16bc Move cmp bits from filelog to revlog Matt Mackall <mpm@selenic.com> parents: 2858 diff changeset	827 def cmp(self, node, text):
5df3e5cf16bc Move cmp bits from filelog to revlog Matt Mackall <mpm@selenic.com> parents: 2858 diff changeset	828 """compare text with a given file revision"""
5df3e5cf16bc Move cmp bits from filelog to revlog Matt Mackall <mpm@selenic.com> parents: 2858 diff changeset	829 p1, p2 = self.parents(node)
5df3e5cf16bc Move cmp bits from filelog to revlog Matt Mackall <mpm@selenic.com> parents: 2858 diff changeset	830 return hash(text, p1, p2) != node
5df3e5cf16bc Move cmp bits from filelog to revlog Matt Mackall <mpm@selenic.com> parents: 2858 diff changeset	831
5df3e5cf16bc Move cmp bits from filelog to revlog Matt Mackall <mpm@selenic.com> parents: 2858 diff changeset	832 def makenode(self, node, text):
5df3e5cf16bc Move cmp bits from filelog to revlog Matt Mackall <mpm@selenic.com> parents: 2858 diff changeset	833 """calculate a file nodeid for text, descended or possibly
5df3e5cf16bc Move cmp bits from filelog to revlog Matt Mackall <mpm@selenic.com> parents: 2858 diff changeset	834 unchanged from node"""
5df3e5cf16bc Move cmp bits from filelog to revlog Matt Mackall <mpm@selenic.com> parents: 2858 diff changeset	835
5df3e5cf16bc Move cmp bits from filelog to revlog Matt Mackall <mpm@selenic.com> parents: 2858 diff changeset	836 if self.cmp(node, text):
5df3e5cf16bc Move cmp bits from filelog to revlog Matt Mackall <mpm@selenic.com> parents: 2858 diff changeset	837 return hash(text, node, nullid)
5df3e5cf16bc Move cmp bits from filelog to revlog Matt Mackall <mpm@selenic.com> parents: 2858 diff changeset	838 return node
5df3e5cf16bc Move cmp bits from filelog to revlog Matt Mackall <mpm@selenic.com> parents: 2858 diff changeset	839
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	840 def diff(self, a, b):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	841 """return a delta between two revisions"""
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	842 return mdiff.textdiff(a, b)
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	843
73 ee1cbe841e01 Change revlog to use new patch code mpm@selenic.com parents: 71 diff changeset	844 def patches(self, t, pl):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	845 """apply a list of patches to a string"""
73 ee1cbe841e01 Change revlog to use new patch code mpm@selenic.com parents: 71 diff changeset	846 return mdiff.patches(t, pl)
ee1cbe841e01 Change revlog to use new patch code mpm@selenic.com parents: 71 diff changeset	847
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	848 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	849 start, length = self.start(rev), self.length(rev)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	850 inline = self.inlinedata()
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	851 if inline:
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	852 start += (rev + 1) * struct.calcsize(self.indexformat)
1598 14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	853 end = start + length
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	854 def loadcache(df):
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	855 cache_length = max(cachelen, length) # 4k
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	856 if not df:
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	857 if inline:
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	858 df = self.opener(self.indexfile)
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	859 else:
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	860 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	861 df.seek(start)
14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	862 self.chunkcache = (start, df.read(cache_length))
14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	863
14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	864 if not self.chunkcache:
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	865 loadcache(df)
1598 14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	866
14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	867 cache_start = self.chunkcache[0]
14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	868 cache_end = cache_start + len(self.chunkcache[1])
14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	869 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	870 # it is cached
14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	871 offset = start - cache_start
14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	872 else:
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	873 loadcache(df)
1598 14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	874 offset = 0
14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	875
14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	876 #def checkchunk():
14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	877 # df = self.opener(self.datafile)
14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	878 # df.seek(start)
14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	879 # return df.read(length)
14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	880 #assert s == checkchunk()
14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	881 return decompress(self.chunkcache[1][offset:offset + length])
14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	882
119 c7a66f9752a4 Add code to retrieve or construct a revlog delta mpm@selenic.com parents: 117 diff changeset	883 def delta(self, node):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	884 """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	885 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	886 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	887
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1853 diff changeset	888 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	889 """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	890 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	891 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	892 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	893 return self.chunk(rev2)
119 c7a66f9752a4 Add code to retrieve or construct a revlog delta mpm@selenic.com parents: 117 diff changeset	894 else:
1941 7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1853 diff changeset	895 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	896 self.revision(self.node(rev2)))
119 c7a66f9752a4 Add code to retrieve or construct a revlog delta mpm@selenic.com parents: 117 diff changeset	897
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	898 def revision(self, node):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	899 """return an uncompressed revision of a given"""
36 da28286bf6b7 Add smart node lookup by substring or by rev number mpm@selenic.com parents: 26 diff changeset	900 if node == nullid: return ""
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	901 if self.cache and self.cache[0] == node: return self.cache[2]
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	902
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	903 # look up what we need to read
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	904 text = None
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	905 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	906 base = self.base(rev)
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	907
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	908 if self.inlinedata():
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	909 # we probably have the whole chunk cached
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	910 df = None
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	911 else:
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	912 df = self.opener(self.datafile)
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	913
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	914 # do we have useful data cached?
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	915 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	916 base = self.cache[1]
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	917 text = self.cache[2]
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	918 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	919 else:
2079 ee96ca273f32 New lazy index code for revlogs. mason@suse.com parents: 2078 diff changeset	920 self.loadindex(base, rev + 1)
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	921 text = self.chunk(base, df=df)
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	922
71 47c9a869adee Add mdiff.patches to speed up applying thousands of patches to the manifest mpm@selenic.com parents: 67 diff changeset	923 bins = []
64 b3e2ddff0159 Diff in subdirectories from Jake Edge mpm@selenic.com parents: 46 diff changeset	924 for r in xrange(base + 1, rev + 1):
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	925 bins.append(self.chunk(r, df=df))
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	926
1941 7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1853 diff changeset	927 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	928
1598 14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	929 p1, p2 = self.parents(node)
26 9cf83bf9ad38 Simplify integrity checking mpm@selenic.com parents: 14 diff changeset	930 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	931 raise RevlogError(_("integrity check failed on %s:%d")
3680 69cf255a55a1 Indentation cleanups for 2956948b81f3. Thomas Arendsen Hein <thomas@intevation.de> parents: 3679 diff changeset	932 % (self.datafile, rev))
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	933
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	934 self.cache = (node, rev, text)
515 03f27b1381f9 Whitespace cleanups mpm@selenic.com parents: 484 diff changeset	935 return text
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	936
2075 343aeefb553b Make the appendfile class inline-data index friendly mason@suse.com parents: 2073 diff changeset	937 def checkinlinesize(self, tr, fp=None):
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	938 if not self.inlinedata():
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	939 return
2075 343aeefb553b Make the appendfile class inline-data index friendly mason@suse.com parents: 2073 diff changeset	940 if not fp:
343aeefb553b Make the appendfile class inline-data index friendly mason@suse.com parents: 2073 diff changeset	941 fp = self.opener(self.indexfile, 'r')
2082 856f0ba200bc Additional appendfile fixes for interleaved data/index files mason@suse.com parents: 2081 diff changeset	942 fp.seek(0, 2)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	943 size = fp.tell()
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	944 if size < 131072:
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	945 return
2084 d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	946 trinfo = tr.find(self.indexfile)
d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	947 if trinfo == None:
3680 69cf255a55a1 Indentation cleanups for 2956948b81f3. Thomas Arendsen Hein <thomas@intevation.de> parents: 3679 diff changeset	948 raise RevlogError(_("%s not found in the transaction")
69cf255a55a1 Indentation cleanups for 2956948b81f3. Thomas Arendsen Hein <thomas@intevation.de> parents: 3679 diff changeset	949 % self.indexfile)
2084 d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	950
d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	951 trindex = trinfo[2]
d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	952 dataoff = self.start(trindex)
d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	953
d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	954 tr.add(self.datafile, dataoff)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	955 df = self.opener(self.datafile, 'w')
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	956 calc = struct.calcsize(self.indexformat)
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	957 for r in xrange(self.count()):
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	958 start = self.start(r) + (r + 1) * calc
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	959 length = self.length(r)
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	960 fp.seek(start)
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	961 d = fp.read(length)
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	962 df.write(d)
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	963 fp.close()
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	964 df.close()
2076 d007df6daf8e Create an atomic opener that does not automatically rename on close mason@suse.com parents: 2075 diff changeset	965 fp = self.opener(self.indexfile, 'w', atomictemp=True)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	966 self.version &= ~(REVLOGNGINLINEDATA)
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	967 if self.count():
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	968 x = self.index[0]
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	969 e = struct.pack(self.indexformat, *x)[4:]
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	970 l = struct.pack(versionformat, self.version)
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	971 fp.write(l)
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	972 fp.write(e)
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	973
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	974 for i in xrange(1, self.count()):
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	975 x = self.index[i]
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	976 e = struct.pack(self.indexformat, *x)
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	977 fp.write(e)
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	978
2076 d007df6daf8e Create an atomic opener that does not automatically rename on close mason@suse.com parents: 2075 diff changeset	979 # 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	980 # real index
d007df6daf8e Create an atomic opener that does not automatically rename on close mason@suse.com parents: 2075 diff changeset	981 fp.rename()
2084 d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	982
d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	983 tr.replace(self.indexfile, trindex * calc)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	984 self.chunkcache = None
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	985
644 6ebe118280bd Performance enhancements for manifest.add() mason@suse.com parents: 547 diff changeset	986 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	987 """add a revision to the log
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	988
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	989 text - the revision data to add
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	990 transaction - the transaction object used for rollback
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	991 link - the linkrev data to add
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	992 p1, p2 - the parent nodeids of the revision
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	993 d - an optional precomputed delta
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	994 """
3390 a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	995 if not self.inlinedata():
a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	996 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	997 else:
a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	998 dfh = None
a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	999 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	1000 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	1001
a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	1002 def _addrevision(self, text, transaction, link, p1, p2, d, ifh, dfh):
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1003 if text is None: text = ""
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1004 if p1 is None: p1 = self.tip()
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1005 if p2 is None: p2 = nullid
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1006
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1007 node = hash(text, p1, p2)
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1008
301 5add718d92db revlog: allow duplicates mpm@selenic.com parents: 243 diff changeset	1009 if node in self.nodemap:
5add718d92db revlog: allow duplicates mpm@selenic.com parents: 243 diff changeset	1010 return node
5add718d92db revlog: allow duplicates mpm@selenic.com parents: 243 diff changeset	1011
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1012 n = self.count()
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1013 t = n - 1
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1014
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1015 if n:
64 b3e2ddff0159 Diff in subdirectories from Jake Edge mpm@selenic.com parents: 46 diff changeset	1016 base = self.base(t)
b3e2ddff0159 Diff in subdirectories from Jake Edge mpm@selenic.com parents: 46 diff changeset	1017 start = self.start(base)
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1018 end = self.end(t)
644 6ebe118280bd Performance enhancements for manifest.add() mason@suse.com parents: 547 diff changeset	1019 if not d:
6ebe118280bd Performance enhancements for manifest.add() mason@suse.com parents: 547 diff changeset	1020 prev = self.revision(self.tip())
3333 9061613c1593 Teach bdiff to support buffer objects Brendan Cully <brendan@kublai.com> parents: 3210 diff changeset	1021 d = self.diff(prev, text)
98 3dde7c87e36d Add paranoia to diff code mpm@selenic.com parents: 97 diff changeset	1022 data = compress(d)
1533 3d11f81c9145 Reduce string duplication in compression code mason@suse.com parents: 1509 diff changeset	1023 l = len(data[1]) + len(data[0])
3d11f81c9145 Reduce string duplication in compression code mason@suse.com parents: 1509 diff changeset	1024 dist = end - start + l
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1025
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1026 # full versions are inserted when the needed deltas
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1027 # become comparable to the uncompressed text
64 b3e2ddff0159 Diff in subdirectories from Jake Edge mpm@selenic.com parents: 46 diff changeset	1028 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	1029 data = compress(text)
1533 3d11f81c9145 Reduce string duplication in compression code mason@suse.com parents: 1509 diff changeset	1030 l = len(data[1]) + len(data[0])
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1031 base = n
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1032 else:
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1033 base = self.base(t)
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1034
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1035 offset = 0
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1036 if t >= 0:
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1037 offset = self.end(t)
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1038
2142 8a1e2a9c7013 Replaced 0 with REVLOGV0 where this meaning is used. Thomas Arendsen Hein <thomas@intevation.de> parents: 2141 diff changeset	1039 if self.version == REVLOGV0:
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1040 e = (offset, l, base, link, p1, p2, node)
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1041 else:
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1042 e = (self.offset_type(offset, 0), l, len(text),
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1043 base, link, self.rev(p1), self.rev(p2), node)
515 03f27b1381f9 Whitespace cleanups mpm@selenic.com parents: 484 diff changeset	1044
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1045 self.index.append(e)
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1046 self.nodemap[node] = n
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1047 entry = struct.pack(self.indexformat, *e)
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1048
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1049 if not self.inlinedata():
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1050 transaction.add(self.datafile, offset)
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1051 transaction.add(self.indexfile, n * len(entry))
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1052 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	1053 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	1054 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	1055 dfh.flush()
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1056 else:
3390 a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	1057 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	1058 transaction.add(self.indexfile, ifh.tell(), self.count() - 1)
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1059
2142 8a1e2a9c7013 Replaced 0 with REVLOGV0 where this meaning is used. Thomas Arendsen Hein <thomas@intevation.de> parents: 2141 diff changeset	1060 if len(self.index) == 1 and self.version != REVLOGV0:
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1061 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	1062 ifh.write(l)
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1063 entry = entry[4:]
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1064
3390 a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	1065 ifh.write(entry)
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1066
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1067 if self.inlinedata():
3390 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[0])
a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	1069 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	1070 self.checkinlinesize(transaction, ifh)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1071
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1072 self.cache = (node, n, text)
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1073 return node
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1074
9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1075 def ancestor(self, a, b):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1076 """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	1077
3139 1fd1cdcc4200 Switch revlog.ancestor to use revisions rather than nodeids Matt Mackall <mpm@selenic.com> parents: 3136 diff changeset	1078 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	1079 return [p for p in self.parentrevs(rev) if p != nullrev]
515 03f27b1381f9 Whitespace cleanups mpm@selenic.com parents: 484 diff changeset	1080
3139 1fd1cdcc4200 Switch revlog.ancestor to use revisions rather than nodeids Matt Mackall <mpm@selenic.com> parents: 3136 diff changeset	1081 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	1082 if c is None:
1fd1cdcc4200 Switch revlog.ancestor to use revisions rather than nodeids Matt Mackall <mpm@selenic.com> parents: 3136 diff changeset	1083 return nullid
1fd1cdcc4200 Switch revlog.ancestor to use revisions rather than nodeids Matt Mackall <mpm@selenic.com> parents: 3136 diff changeset	1084
1fd1cdcc4200 Switch revlog.ancestor to use revisions rather than nodeids Matt Mackall <mpm@selenic.com> parents: 3136 diff changeset	1085 return self.node(c)
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1086
1598 14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	1087 def group(self, nodelist, lookup, infocollect=None):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1088 """calculate a delta group
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1089
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1090 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	1091 metadata corresponding to nodes. the first delta is
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1092 parent(nodes[0]) -> nodes[0] the receiver is guaranteed to
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1093 have this parent as it has all history before these
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1094 changesets. parent is parent[0]
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1095 """
1458 1033892bbb87 This changes the revlog.group and re-implements the localrepo.changeroup Eric Hopper <hopper@omnifarious.org> parents: 1457 diff changeset	1096 revs = [self.rev(n) for n in nodelist]
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1097
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1098 # 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	1099 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	1100 yield changegroup.closechunk()
192 5d8553352d2e Changes to network protocol mpm@selenic.com parents: 155 diff changeset	1101 return
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1102
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1103 # add the parent of the first rev
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1104 p = self.parents(self.node(revs[0]))[0]
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1105 revs.insert(0, self.rev(p))
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1106
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1107 # build deltas
71 47c9a869adee Add mdiff.patches to speed up applying thousands of patches to the manifest mpm@selenic.com parents: 67 diff changeset	1108 for d in xrange(0, len(revs) - 1):
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1109 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	1110 nb = self.node(b)
192 5d8553352d2e Changes to network protocol mpm@selenic.com parents: 155 diff changeset	1111
1458 1033892bbb87 This changes the revlog.group and re-implements the localrepo.changeroup Eric Hopper <hopper@omnifarious.org> parents: 1457 diff changeset	1112 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	1113 infocollect(nb)
1458 1033892bbb87 This changes the revlog.group and re-implements the localrepo.changeroup Eric Hopper <hopper@omnifarious.org> parents: 1457 diff changeset	1114
1941 7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1853 diff changeset	1115 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	1116 p = self.parents(nb)
14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	1117 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	1118 yield changegroup.genchunk("%s%s" % (meta, d))
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1119
1981 736b6c96bbbc make incoming work via ssh (issue139); move chunk code into separate module. Thomas Arendsen Hein <thomas@intevation.de> parents: 1941 diff changeset	1120 yield changegroup.closechunk()
192 5d8553352d2e Changes to network protocol mpm@selenic.com parents: 155 diff changeset	1121
1062 6d5a62a549fa pep-0008 cleanup benoit.boissinot@ens-lyon.fr parents: 902 diff changeset	1122 def addgroup(self, revs, linkmapper, transaction, unique=0):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1123 """
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1124 add a delta group
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1125
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1126 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	1127 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	1128 log, the rest are against the previous delta.
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
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1131 #track the base of the current delta log
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1132 r = self.count()
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1133 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	1134 node = None
515 03f27b1381f9 Whitespace cleanups mpm@selenic.com parents: 484 diff changeset	1135
3578 3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1. Thomas Arendsen Hein <thomas@intevation.de> parents: 3505 diff changeset	1136 base = prev = nullrev
2078 441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	1137 start = end = textlen = 0
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1138 if r:
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1139 end = self.end(t)
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1140
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1141 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	1142 ifh.seek(0, 2)
2084 d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	1143 transaction.add(self.indexfile, ifh.tell(), self.count())
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1144 if self.inlinedata():
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1145 dfh = None
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1146 else:
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1147 transaction.add(self.datafile, end)
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1148 dfh = self.opener(self.datafile, "a")
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1149
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1150 # loop through our set of deltas
192 5d8553352d2e Changes to network protocol mpm@selenic.com parents: 155 diff changeset	1151 chain = None
5d8553352d2e Changes to network protocol mpm@selenic.com parents: 155 diff changeset	1152 for chunk in revs:
5d8553352d2e Changes to network protocol mpm@selenic.com parents: 155 diff changeset	1153 node, p1, p2, cs = struct.unpack("20s20s20s20s", chunk[:80])
94 7daef883134f Refactor merge code mpm@selenic.com parents: 86 diff changeset	1154 link = linkmapper(cs)
77 bed15e766511 Fix bug in lazymap code mpm@selenic.com parents: 76 diff changeset	1155 if node in self.nodemap:
224 ccbcc4d76f81 fix bad assumption about uniqueness of file versions mpm@selenic.com parents: 221 diff changeset	1156 # 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	1157 # 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	1158 # 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	1159 chain = node
224 ccbcc4d76f81 fix bad assumption about uniqueness of file versions mpm@selenic.com parents: 221 diff changeset	1160 continue
192 5d8553352d2e Changes to network protocol mpm@selenic.com parents: 155 diff changeset	1161 delta = chunk[80:]
5d8553352d2e Changes to network protocol mpm@selenic.com parents: 155 diff changeset	1162
1509 46a07392cf28 Add safety check for addgroup Matt Mackall <mpm@selenic.com> parents: 1494 diff changeset	1163 for p in (p1, p2):
46a07392cf28 Add safety check for addgroup Matt Mackall <mpm@selenic.com> parents: 1494 diff changeset	1164 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	1165 raise LookupError(_("unknown parent %s") % short(p))
1509 46a07392cf28 Add safety check for addgroup Matt Mackall <mpm@selenic.com> parents: 1494 diff changeset	1166
192 5d8553352d2e Changes to network protocol mpm@selenic.com parents: 155 diff changeset	1167 if not chain:
5d8553352d2e Changes to network protocol mpm@selenic.com parents: 155 diff changeset	1168 # retrieve the parent revision of the delta chain
5d8553352d2e Changes to network protocol mpm@selenic.com parents: 155 diff changeset	1169 chain = p1
5d8553352d2e Changes to network protocol mpm@selenic.com parents: 155 diff changeset	1170 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	1171 raise LookupError(_("unknown base %s") % short(chain[:4]))
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1172
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1173 # full versions are inserted when the needed deltas become
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1174 # comparable to the uncompressed text or when the previous
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1175 # version is not the one we have a delta against. We use
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1176 # the size of the previous full rev as a proxy for the
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1177 # current size.
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1178
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1179 if chain == prev:
1533 3d11f81c9145 Reduce string duplication in compression code mason@suse.com parents: 1509 diff changeset	1180 tempd = compress(delta)
3d11f81c9145 Reduce string duplication in compression code mason@suse.com parents: 1509 diff changeset	1181 cdelta = tempd[0] + tempd[1]
2078 441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	1182 textlen = mdiff.patchedsize(textlen, delta)
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1183
2078 441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	1184 if chain != prev or (end - start + len(cdelta)) > textlen * 2:
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1185 # flush our writes here so we can read it in revision
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1186 if dfh:
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1187 dfh.flush()
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1188 ifh.flush()
65 d40cc5aacc31 Fix up a bunch of bugs in the new merge code mpm@selenic.com parents: 64 diff changeset	1189 text = self.revision(chain)
73 ee1cbe841e01 Change revlog to use new patch code mpm@selenic.com parents: 71 diff changeset	1190 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	1191 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	1192 ifh, dfh)
a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	1193 if not dfh and not self.inlinedata():
a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	1194 # 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	1195 # 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	1196 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	1197 ifh = self.opener(self.indexfile, "a")
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1198 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	1199 raise RevlogError(_("consistency error adding group"))
2078 441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	1200 textlen = len(text)
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1201 else:
2142 8a1e2a9c7013 Replaced 0 with REVLOGV0 where this meaning is used. Thomas Arendsen Hein <thomas@intevation.de> parents: 2141 diff changeset	1202 if self.version == REVLOGV0:
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1203 e = (end, len(cdelta), base, link, p1, p2, node)
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1204 else:
2078 441ea218414e Fill in the uncompressed size during revlog.addgroup mason@suse.com parents: 2077 diff changeset	1205 e = (self.offset_type(end, 0), len(cdelta), textlen, base,
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1206 link, self.rev(p1), self.rev(p2), node)
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1207 self.index.append(e)
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1208 self.nodemap[node] = r
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1209 if self.inlinedata():
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1210 ifh.write(struct.pack(self.indexformat, *e))
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1211 ifh.write(cdelta)
2075 343aeefb553b Make the appendfile class inline-data index friendly mason@suse.com parents: 2073 diff changeset	1212 self.checkinlinesize(transaction, ifh)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1213 if not self.inlinedata():
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1214 dfh = self.opener(self.datafile, "a")
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1215 ifh = self.opener(self.indexfile, "a")
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1216 else:
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1217 dfh.write(cdelta)
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1218 ifh.write(struct.pack(self.indexformat, *e))
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1219
65 d40cc5aacc31 Fix up a bunch of bugs in the new merge code mpm@selenic.com parents: 64 diff changeset	1220 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	1221 base = self.base(t)
d457fec76ab0 fix warnings from pychecker (unused variables and shadowing) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1711 diff changeset	1222 start = self.start(base)
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1223 end = self.end(t)
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1224
93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	1225 return node
1493 1a216cb4ee64 verify: add check for mismatch of index and data length Matt Mackall <mpm@selenic.com> parents: 1469 diff changeset	1226
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1227 def strip(self, rev, minlink):
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1228 if self.count() == 0 or rev >= self.count():
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1229 return
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1230
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1231 if isinstance(self.index, lazyindex):
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1232 self.loadindexmap()
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1233
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1234 # 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	1235 # does not actually belong to an older changeset.
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1236 # The minlink parameter defines the oldest revision
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1237 # we're allowed to strip away.
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1238 while minlink > self.index[rev][-4]:
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1239 rev += 1
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1240 if rev >= self.count():
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1241 return
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1242
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1243 # first truncate the files on disk
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1244 end = self.start(rev)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1245 if not self.inlinedata():
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1246 df = self.opener(self.datafile, "a")
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1247 df.truncate(end)
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1248 end = rev * struct.calcsize(self.indexformat)
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1249 else:
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1250 end += rev * struct.calcsize(self.indexformat)
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1251
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1252 indexf = self.opener(self.indexfile, "a")
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1253 indexf.truncate(end)
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1254
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1255 # 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	1256 self.cache = None
1711 8959700c2b19 revlog.strip should clear the chunkcache mason@suse.com parents: 1667 diff changeset	1257 self.chunkcache = None
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1258 for x in xrange(rev, self.count()):
74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1259 del self.nodemap[self.node(x)]
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1260
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1261 del self.index[rev:]
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	1262
1493 1a216cb4ee64 verify: add check for mismatch of index and data length Matt Mackall <mpm@selenic.com> parents: 1469 diff changeset	1263 def checksize(self):
1a216cb4ee64 verify: add check for mismatch of index and data length Matt Mackall <mpm@selenic.com> parents: 1469 diff changeset	1264 expected = 0
1a216cb4ee64 verify: add check for mismatch of index and data length Matt Mackall <mpm@selenic.com> parents: 1469 diff changeset	1265 if self.count():
1a216cb4ee64 verify: add check for mismatch of index and data length Matt Mackall <mpm@selenic.com> parents: 1469 diff changeset	1266 expected = self.end(self.count() - 1)
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1267
1494 249ca10d37f4 Handle empty logs in repo.checksize Matt Mackall <mpm@selenic.com> parents: 1493 diff changeset	1268 try:
249ca10d37f4 Handle empty logs in repo.checksize Matt Mackall <mpm@selenic.com> parents: 1493 diff changeset	1269 f = self.opener(self.datafile)
249ca10d37f4 Handle empty logs in repo.checksize Matt Mackall <mpm@selenic.com> parents: 1493 diff changeset	1270 f.seek(0, 2)
249ca10d37f4 Handle empty logs in repo.checksize Matt Mackall <mpm@selenic.com> parents: 1493 diff changeset	1271 actual = f.tell()
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1272 dd = actual - expected
1494 249ca10d37f4 Handle empty logs in repo.checksize Matt Mackall <mpm@selenic.com> parents: 1493 diff changeset	1273 except IOError, inst:
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1274 if inst.errno != errno.ENOENT:
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1275 raise
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1276 dd = 0
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1277
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1278 try:
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1279 f = self.opener(self.indexfile)
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1280 f.seek(0, 2)
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1281 actual = f.tell()
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	1282 s = struct.calcsize(self.indexformat)
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1283 i = actual / s
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1284 di = actual - (i * s)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1285 if self.inlinedata():
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1286 databytes = 0
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1287 for r in xrange(self.count()):
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1288 databytes += self.length(r)
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1289 dd = 0
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1290 di = actual - self.count() * s - databytes
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1291 except IOError, inst:
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1292 if inst.errno != errno.ENOENT:
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1293 raise
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1294 di = 0
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1295
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	1296 return (dd, di)
1494 249ca10d37f4 Handle empty logs in repo.checksize Matt Mackall <mpm@selenic.com> parents: 1493 diff changeset	1297
249ca10d37f4 Handle empty logs in repo.checksize Matt Mackall <mpm@selenic.com> parents: 1493 diff changeset	1298

Mercurial > hg > mercurial-crew-with-dirclash

annotate mercurial/revlog.py @ 4224:2a8b6d78d7ee