mercurial/bundlerepo.py
author Thomas Arendsen Hein <thomas@intevation.de>
Sat, 18 Mar 2006 09:13:27 +0100
changeset 1971 915b81a35e46
parent 1946 9fee186f7f0d
child 1980 dfb796786337
permissions -rw-r--r--
imported patch /home/thomas/fix-incoming-abortion4.patch
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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
1946
9fee186f7f0d bundlerepo: remove relative import, fix a comment
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1942
diff changeset
    18
import localrepo, changelog, manifest, filelog, revlog
1942
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
    19
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
    20
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
    21
    """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
    22
    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
    23
    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
    24
        return ""
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
    25
    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
    26
    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
    27
        return ""
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
    28
    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
    29
    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
    30
        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
    31
                           " (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
    32
                          % (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
    33
    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
    34
1946
9fee186f7f0d bundlerepo: remove relative import, fix a comment
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1942
diff changeset
    35
class bundlerevlog(revlog.revlog):
1942
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
    36
    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
    37
                 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
    38
        # 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
    39
        # 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
    40
        # 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
    41
        #
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
    42
        # 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
    43
        # 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
    44
        # 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
    45
        # (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
    46
        #
1946
9fee186f7f0d bundlerepo: remove relative import, fix a comment
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1942
diff changeset
    47
        revlog.revlog.__init__(self, opener, indexfile, datafile)
1942
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
    48
        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
    49
        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
    50
            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
    51
                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
    52
                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
    53
                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
    54
                    break
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
    55
                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
    56
        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
    57
        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
    58
        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
    59
            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
    60
            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
    61
                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
    62
            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
    63
            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
    64
            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
    65
            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
    66
                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
    67
                continue
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
    68
            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
    69
                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
    70
                    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
    71
            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
    72
                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
    73
            else:
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
    74
                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
    75
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
    76
            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
    77
                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
    78
            # 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
    79
            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
    80
            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
    81
            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
    82
            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
    83
            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
    84
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
    85
    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
    86
        """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
    87
        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
    88
            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
    89
        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
    90
    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
    91
    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
    92
        # 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
    93
        # 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
    94
        # 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
    95
        if not self.bundle(rev):
1946
9fee186f7f0d bundlerepo: remove relative import, fix a comment
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1942
diff changeset
    96
            return revlog.revlog.chunk(self, rev)
1942
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
    97
        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
    98
        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
    99
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
   100
    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
   101
        """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
   102
        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
   103
            # 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
   104
            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
   105
            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
   106
                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
   107
        elif not self.bundle(rev1) and not self.bundle(rev2):
1946
9fee186f7f0d bundlerepo: remove relative import, fix a comment
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1942
diff changeset
   108
            return revlog.revlog.chunk(self, rev1, rev2)
1942
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
   109
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
   110
        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
   111
                         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
   112
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
   113
    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
   114
        """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
   115
        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
   116
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
   117
        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
   118
        chain = []
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
   119
        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
   120
        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
   121
        # 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
   122
        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
   123
            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
   124
                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
   125
                break
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
   126
            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
   127
            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
   128
            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
   129
        if text is None:
1946
9fee186f7f0d bundlerepo: remove relative import, fix a comment
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1942
diff changeset
   130
            text = revlog.revlog.revision(self, iter_node)
1942
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
   131
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
   132
        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
   133
            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
   134
            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
   135
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
   136
        p1, p2 = self.parents(node)
1946
9fee186f7f0d bundlerepo: remove relative import, fix a comment
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1942
diff changeset
   137
        if node != revlog.hash(text, p1, p2):
1942
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
   138
            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
   139
                          % (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
   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
        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
   142
        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
   143
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
   144
    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
   145
        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
   146
    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
   147
        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
   148
    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
   149
        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
   150
    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
   151
        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
   152
1946
9fee186f7f0d bundlerepo: remove relative import, fix a comment
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1942
diff changeset
   153
class bundlechangelog(bundlerevlog, changelog.changelog):
1942
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
   154
    def __init__(self, opener, bundlefile):
1946
9fee186f7f0d bundlerepo: remove relative import, fix a comment
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1942
diff changeset
   155
        changelog.changelog.__init__(self, opener)
1942
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
   156
        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
   157
                              bundlefile)
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
   158
1946
9fee186f7f0d bundlerepo: remove relative import, fix a comment
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1942
diff changeset
   159
class bundlemanifest(bundlerevlog, manifest.manifest):
1942
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
   160
    def __init__(self, opener, bundlefile, linkmapper):
1946
9fee186f7f0d bundlerepo: remove relative import, fix a comment
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1942
diff changeset
   161
        manifest.manifest.__init__(self, opener)
1942
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
   162
        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
   163
                              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
   164
1946
9fee186f7f0d bundlerepo: remove relative import, fix a comment
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1942
diff changeset
   165
class bundlefilelog(bundlerevlog, filelog.filelog):
1942
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
   166
    def __init__(self, opener, path, bundlefile, linkmapper):
1946
9fee186f7f0d bundlerepo: remove relative import, fix a comment
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1942
diff changeset
   167
        filelog.filelog.__init__(self, opener, path)
1942
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
   168
        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
   169
                              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
   170
1946
9fee186f7f0d bundlerepo: remove relative import, fix a comment
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1942
diff changeset
   171
class bundlerepository(localrepo.localrepository):
1942
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
   172
    def __init__(self, ui, path, bundlename):
1946
9fee186f7f0d bundlerepo: remove relative import, fix a comment
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1942
diff changeset
   173
        localrepo.localrepository.__init__(self, ui, path)
1942
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
   174
        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
   175
        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
   176
        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
   177
        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
   178
        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
   179
            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
   180
                             % bundlename)
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
   181
        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
   182
            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
   183
        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
   184
        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
   185
                                       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
   186
        # 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
   187
        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
   188
        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
   189
                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
   190
                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
   191
                    break
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[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
   193
                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
   194
                    pass
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
   195
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
   196
    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
   197
        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
   198
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
   199
    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
   200
        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
   201
            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
   202
        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
   203
            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
   204
            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
   205
                                 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
   206
        else:
1946
9fee186f7f0d bundlerepo: remove relative import, fix a comment
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1942
diff changeset
   207
            return filelog.filelog(self.opener, f)
1942
9da45de3118d add bundlerepo.py: a read-only repo that can use uncompressed bundles
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff changeset
   208
1971
915b81a35e46 imported patch /home/thomas/fix-incoming-abortion4.patch
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1946
diff changeset
   209
    def close(self):
915b81a35e46 imported patch /home/thomas/fix-incoming-abortion4.patch
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1946
diff changeset
   210
        """Close assigned bundle file immediately."""
915b81a35e46 imported patch /home/thomas/fix-incoming-abortion4.patch
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1946
diff changeset
   211
        self.bundlefile.close()