Mercurial > public > mercurial-scm > hg

annotate mercurial/bundlerepo.py @ 1942:9da45de3118d

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
add bundlerepo.py: a read-only repo that can use uncompressed bundles The idea is to create a repo consisting of a normal local repository plus all the changesets contained in a bundle. The bundle needs to be uncompressed. A futur version could implement the seeking through a compressed bundle.
author Benoit Boissinot <benoit.boissinot@ens-lyon.org>
date Mon, 13 Mar 2006 03:54:23 +0100
parents
children 9fee186f7f0d
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1942
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
1 """
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
2 bundlerepo.py - repository class for viewing uncompressed bundles
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
3
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
4 This provides a read-only repository interface to bundles as if
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
5 they were part of the actual repository.
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
6
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
7 Copyright 2006 Benoit Boissinot <benoit.boissinot@ens-lyon.org>
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
8
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
9 This software may be used and distributed according to the terms
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
10 of the GNU General Public License, incorporated herein by reference.
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
11 """
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
12
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
13 from node import *
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
14 from i18n import gettext as _
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
15 from demandload import demandload
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
16 demandload(globals(), "util os struct")
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
17
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
18 from changelog import changelog
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
19 from manifest import manifest
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
20 from filelog import filelog
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
21 from localrepo import localrepository
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
22 from revlog import *
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
23
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
24 def getchunk(source):
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
25 """get a chunk from a group"""
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
26 d = source.read(4)
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
27 if not d:
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
28 return ""
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
29 l = struct.unpack(">l", d)[0]
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
30 if l <= 4:
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
31 return ""
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
32 d = source.read(l - 4)
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
33 if len(d) < l - 4:
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
34 raise util.Abort(_("premature EOF reading chunk"
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
35 " (got %d bytes, expected %d)")
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
36 % (len(d), l - 4))
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
37 return d
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
38
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
39 class bundlerevlog(revlog):
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
40 def __init__(self, opener, indexfile, datafile, bundlefile,
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
41 linkmapper=None):
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
42 # How it works:
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
43 # to retrieve a revision, we need to know the offset of
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
44 # the revision in the bundlefile (an opened file).
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
45 #
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
46 # We store this offset in the index (start), to differentiate a
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
47 # rev in the bundle and from a rev in the revlog, we check
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
48 # len(index[r]). If the tuple is bigger than 7, it is a bundle
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
49 # (it is bigger since we store the node to which the delta is)
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
50 #
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
51 revlog.__init__(self, opener, indexfile, datafile)
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
52 self.bundlefile = bundlefile
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
53 def genchunk():
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
54 while 1:
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
55 pos = bundlefile.tell()
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
56 chunk = getchunk(bundlefile)
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
57 if not chunk:
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
58 break
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
59 yield chunk, pos + 4 # XXX struct.calcsize(">l") == 4
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
60 n = self.count()
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
61 prev = None
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
62 for chunk, start in genchunk():
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
63 size = len(chunk)
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
64 if size < 80:
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
65 raise util.Abort("invalid changegroup")
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
66 start += 80
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
67 size -= 80
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
68 node, p1, p2, cs = struct.unpack("20s20s20s20s", chunk[:80])
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
69 if node in self.nodemap:
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
70 prev = node
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
71 continue
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
72 for p in (p1, p2):
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
73 if not p in self.nodemap:
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
74 raise RevlogError(_("unknown parent %s") % short(p1))
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
75 if linkmapper is None:
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
76 link = n
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
77 else:
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
78 link = linkmapper(cs)
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
79
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
80 if not prev:
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
81 prev = p1
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
82 # start, size, base is not used, link, p1, p2, delta ref
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
83 # warning:
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
84 e = (start, size, None, link, p1, p2, node, prev)
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
85 self.index.append(e)
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
86 self.nodemap[node] = n
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
87 prev = node
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
88 n += 1
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
89
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
90 def bundle(self, rev):
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
91 """is rev from the bundle"""
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
92 if rev < 0:
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
93 return False
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
94 return len(self.index[rev]) > 7
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
95 def bundlebase(self, rev): return self.index[rev][7]
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
96 def chunk(self, rev):
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
97 # Warning: in case of bundle, the diff is against bundlebase,
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
98 # not against rev - 1
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
99 # XXX: could use some caching
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
100 if not self.bundle(rev):
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
101 return revlog.chunk(self, rev)
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
102 self.bundlefile.seek(self.start(rev))
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
103 return self.bundlefile.read(self.length(rev))
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
104
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
105 def revdiff(self, rev1, rev2):
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
106 """return or calculate a delta between two revisions"""
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
107 if self.bundle(rev1) and self.bundle(rev2):
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
108 # hot path for bundle
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
109 revb = self.rev(self.bundlebase(rev2))
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
110 if revb == rev1:
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
111 return self.chunk(rev2)
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
112 elif not self.bundle(rev1) and not self.bundle(rev2):
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
113 return revlog.chunk(self, rev1, rev2)
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
114
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
115 return self.diff(self.revision(self.node(rev1)),
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
116 self.revision(self.node(rev2)))
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
117
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
118 def revision(self, node):
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
119 """return an uncompressed revision of a given"""
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
120 if node == nullid: return ""
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
121
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
122 text = None
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
123 chain = []
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
124 iter_node = node
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
125 rev = self.rev(iter_node)
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
126 # reconstruct the revision if it is from a changegroup
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
127 while self.bundle(rev):
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
128 if self.cache and self.cache[0] == iter_node:
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
129 text = self.cache[2]
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
130 break
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
131 chain.append(rev)
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
132 iter_node = self.bundlebase(rev)
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
133 rev = self.rev(iter_node)
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
134 if text is None:
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
135 text = revlog.revision(self, iter_node)
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
136
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
137 while chain:
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
138 delta = self.chunk(chain.pop())
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
139 text = self.patches(text, [delta])
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
140
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
141 p1, p2 = self.parents(node)
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
142 if node != hash(text, p1, p2):
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
143 raise RevlogError(_("integrity check failed on %s:%d")
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
144 % (self.datafile, self.rev(node)))
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
145
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
146 self.cache = (node, rev, text)
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
147 return text
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
148
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
149 def addrevision(self, text, transaction, link, p1=None, p2=None, d=None):
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
150 raise NotImplementedError
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
151 def addgroup(self, revs, linkmapper, transaction, unique=0):
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
152 raise NotImplementedError
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
153 def strip(self, rev, minlink):
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
154 raise NotImplementedError
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
155 def checksize(self):
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
156 raise NotImplementedError
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
157
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
158 class bundlechangelog(bundlerevlog, changelog):
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
159 def __init__(self, opener, bundlefile):
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
160 changelog.__init__(self, opener)
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
161 bundlerevlog.__init__(self, opener, "00changelog.i", "00changelog.d",
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
162 bundlefile)
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
163
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
164 class bundlemanifest(bundlerevlog, manifest):
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
165 def __init__(self, opener, bundlefile, linkmapper):
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
166 manifest.__init__(self, opener)
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
167 bundlerevlog.__init__(self, opener, self.indexfile, self.datafile,
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
168 bundlefile, linkmapper)
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
169
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
170 class bundlefilelog(bundlerevlog, filelog):
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
171 def __init__(self, opener, path, bundlefile, linkmapper):
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
172 filelog.__init__(self, opener, path)
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
173 bundlerevlog.__init__(self, opener, self.indexfile, self.datafile,
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
174 bundlefile, linkmapper)
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
175
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
176 class bundlerepository(localrepository):
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
177 def __init__(self, ui, path, bundlename):
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
178 localrepository.__init__(self, ui, path)
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
179 f = open(bundlename, "rb")
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
180 s = os.fstat(f.fileno())
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
181 self.bundlefile = f
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
182 header = self.bundlefile.read(4)
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
183 if header == "HG10":
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
184 raise util.Abort(_("%s: compressed bundle not supported")
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
185 % bundlename)
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
186 elif header != "HG11":
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
187 raise util.Abort(_("%s: not a Mercurial bundle file") % bundlename)
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
188 self.changelog = bundlechangelog(self.opener, self.bundlefile)
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
189 self.manifest = bundlemanifest(self.opener, self.bundlefile,
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
190 self.changelog.rev)
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
191 # dict with the mapping 'filename' -> position in the bundle
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
192 self.bundlefilespos = {}
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
193 while 1:
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
194 f = getchunk(self.bundlefile)
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
195 if not f:
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
196 break
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
197 self.bundlefilespos[f] = self.bundlefile.tell()
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
198 while getchunk(self.bundlefile):
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
199 pass
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
200
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
201 def dev(self):
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
202 return -1
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
203
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
204 def file(self, f):
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
205 if f[0] == '/':
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
206 f = f[1:]
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
207 if f in self.bundlefilespos:
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
208 self.bundlefile.seek(self.bundlefilespos[f])
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
209 return bundlefilelog(self.opener, f, self.bundlefile,
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
210 self.changelog.rev)
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
211 else:
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
212 return filelog(self.opener, f)
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
213