mercurial/changegroup.py
author Pulkit Goyal <7895pulkit@gmail.com>
Tue, 31 Oct 2017 06:39:38 +0530
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children: fix the log expansion of `hg children` in doc `hg log -r children()` returns `hg: parse error: missing argument`. Differential Revision: https://phab.mercurial-scm.org/D1269
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# changegroup.py - Mercurial changegroup manipulation functions
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#
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#  Copyright 2006 Matt Mackall <mpm@selenic.com>
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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from __future__ import absolute_import
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import os
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import struct
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import tempfile
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import weakref
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from .i18n import _
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from .node import (
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    hex,
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    nullrev,
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    short,
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)
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from . import (
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    dagutil,
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    error,
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    mdiff,
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    phases,
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    pycompat,
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    util,
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)
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_CHANGEGROUPV1_DELTA_HEADER = "20s20s20s20s"
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_CHANGEGROUPV2_DELTA_HEADER = "20s20s20s20s20s"
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_CHANGEGROUPV3_DELTA_HEADER = ">20s20s20s20s20sH"
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def readexactly(stream, n):
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    '''read n bytes from stream.read and abort if less was available'''
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    s = stream.read(n)
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    if len(s) < n:
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        raise error.Abort(_("stream ended unexpectedly"
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                           " (got %d bytes, expected %d)")
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                          % (len(s), n))
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    return s
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def getchunk(stream):
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    """return the next chunk from stream as a string"""
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    d = readexactly(stream, 4)
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    l = struct.unpack(">l", d)[0]
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    if l <= 4:
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        if l:
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            raise error.Abort(_("invalid chunk length %d") % l)
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        return ""
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    return readexactly(stream, l - 4)
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def chunkheader(length):
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    """return a changegroup chunk header (string)"""
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    return struct.pack(">l", length + 4)
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def closechunk():
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    """return a changegroup chunk header (string) for a zero-length chunk"""
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    return struct.pack(">l", 0)
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def writechunks(ui, chunks, filename, vfs=None):
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    """Write chunks to a file and return its filename.
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    The stream is assumed to be a bundle file.
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    Existing files will not be overwritten.
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    If no filename is specified, a temporary file is created.
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    """
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    fh = None
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    cleanup = None
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    try:
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        if filename:
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            if vfs:
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                fh = vfs.open(filename, "wb")
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            else:
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                # Increase default buffer size because default is usually
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                # small (4k is common on Linux).
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                fh = open(filename, "wb", 131072)
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        else:
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            fd, filename = tempfile.mkstemp(prefix="hg-bundle-", suffix=".hg")
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            fh = os.fdopen(fd, pycompat.sysstr("wb"))
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        cleanup = filename
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        for c in chunks:
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            fh.write(c)
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        cleanup = None
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        return filename
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    finally:
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        if fh is not None:
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            fh.close()
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        if cleanup is not None:
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            if filename and vfs:
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                vfs.unlink(cleanup)
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            else:
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                os.unlink(cleanup)
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class cg1unpacker(object):
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    """Unpacker for cg1 changegroup streams.
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    A changegroup unpacker handles the framing of the revision data in
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    the wire format. Most consumers will want to use the apply()
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    method to add the changes from the changegroup to a repository.
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    If you're forwarding a changegroup unmodified to another consumer,
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    use getchunks(), which returns an iterator of changegroup
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    chunks. This is mostly useful for cases where you need to know the
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    data stream has ended by observing the end of the changegroup.
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    deltachunk() is useful only if you're applying delta data. Most
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    consumers should prefer apply() instead.
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    A few other public methods exist. Those are used only for
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    bundlerepo and some debug commands - their use is discouraged.
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    """
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    deltaheader = _CHANGEGROUPV1_DELTA_HEADER
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    deltaheadersize = struct.calcsize(deltaheader)
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    version = '01'
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    _grouplistcount = 1 # One list of files after the manifests
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    def __init__(self, fh, alg, extras=None):
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        if alg is None:
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            alg = 'UN'
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        if alg not in util.compengines.supportedbundletypes:
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            raise error.Abort(_('unknown stream compression type: %s')
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                             % alg)
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        if alg == 'BZ':
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            alg = '_truncatedBZ'
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 30339
diff changeset
   127
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parents: 30339
diff changeset
   128
        compengine = util.compengines.forbundletype(alg)
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parents: 30339
diff changeset
   129
        self._stream = compengine.decompressorreader(fh)
12044
bcc7139521b7 bundlerepo: remove duplication of bundle decompressors
Matt Mackall <mpm@selenic.com>
parents: 12043
diff changeset
   130
        self._type = alg
29593
953839de96ab bundle2: store changeset count when creating file bundles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 29371
diff changeset
   131
        self.extras = extras or {}
12334
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parents: 12333
diff changeset
   132
        self.callback = None
26706
8c0c3059f478 changegroup: note why a few methods on cg1unpacker exist
Augie Fackler <augie@google.com>
parents: 26704
diff changeset
   133
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Augie Fackler <augie@google.com>
parents: 26704
diff changeset
   134
    # These methods (compressed, read, seek, tell) all appear to only
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parents: 26704
diff changeset
   135
    # be used by bundlerepo, but it's a little hard to tell.
12044
bcc7139521b7 bundlerepo: remove duplication of bundle decompressors
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parents: 12043
diff changeset
   136
    def compressed(self):
30589
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Stanislau Hlebik <stash@fb.com>
parents: 30354
diff changeset
   137
        return self._type is not None and self._type != 'UN'
12043
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parents: 12042
diff changeset
   138
    def read(self, l):
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parents: 12042
diff changeset
   139
        return self._stream.read(l)
12330
e527b8635881 bundle: make unbundle object seekable
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parents: 12329
diff changeset
   140
    def seek(self, pos):
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parents: 12329
diff changeset
   141
        return self._stream.seek(pos)
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parents: 12329
diff changeset
   142
    def tell(self):
12332
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parents: 12330
diff changeset
   143
        return self._stream.tell()
12347
6277a9469dff bundlerepo: restore close() method
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parents: 12336
diff changeset
   144
    def close(self):
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parents: 12336
diff changeset
   145
        return self._stream.close()
12334
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parents: 12333
diff changeset
   146
26707
5ee6bd529300 changegroup: mark cg1unpacker.chunklength as private
Augie Fackler <augie@google.com>
parents: 26706
diff changeset
   147
    def _chunklength(self):
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acbe171c8fbe changegroup: fix typo introduced in 9f2c407caf34
Jim Hague <jim.hague@acm.org>
parents: 13458
diff changeset
   148
        d = readexactly(self._stream, 4)
13458
9f2c407caf34 changegroup: don't accept odd chunk headers
Mads Kiilerich <mads@kiilerich.com>
parents: 13457
diff changeset
   149
        l = struct.unpack(">l", d)[0]
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Mads Kiilerich <mads@kiilerich.com>
parents: 13457
diff changeset
   150
        if l <= 4:
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parents: 13457
diff changeset
   151
            if l:
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56b2bcea2529 error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 26540
diff changeset
   152
                raise error.Abort(_("invalid chunk length %d") % l)
13458
9f2c407caf34 changegroup: don't accept odd chunk headers
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parents: 13457
diff changeset
   153
            return 0
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parents: 13457
diff changeset
   154
        if self.callback:
12334
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parents: 12333
diff changeset
   155
            self.callback()
13458
9f2c407caf34 changegroup: don't accept odd chunk headers
Mads Kiilerich <mads@kiilerich.com>
parents: 13457
diff changeset
   156
        return l - 4
12334
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Matt Mackall <mpm@selenic.com>
parents: 12333
diff changeset
   157
14144
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 14143
diff changeset
   158
    def changelogheader(self):
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parents: 14143
diff changeset
   159
        """v10 does not have a changelog header chunk"""
3c3c53d8343a unbundler: separate delta and header parsing
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parents: 14143
diff changeset
   160
        return {}
3c3c53d8343a unbundler: separate delta and header parsing
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 14143
diff changeset
   161
3c3c53d8343a unbundler: separate delta and header parsing
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parents: 14143
diff changeset
   162
    def manifestheader(self):
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parents: 14143
diff changeset
   163
        """v10 does not have a manifest header chunk"""
3c3c53d8343a unbundler: separate delta and header parsing
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parents: 14143
diff changeset
   164
        return {}
3c3c53d8343a unbundler: separate delta and header parsing
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 14143
diff changeset
   165
3c3c53d8343a unbundler: separate delta and header parsing
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 14143
diff changeset
   166
    def filelogheader(self):
3c3c53d8343a unbundler: separate delta and header parsing
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 14143
diff changeset
   167
        """return the header of the filelogs chunk, v10 only has the filename"""
26707
5ee6bd529300 changegroup: mark cg1unpacker.chunklength as private
Augie Fackler <augie@google.com>
parents: 26706
diff changeset
   168
        l = self._chunklength()
14144
3c3c53d8343a unbundler: separate delta and header parsing
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 14143
diff changeset
   169
        if not l:
3c3c53d8343a unbundler: separate delta and header parsing
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parents: 14143
diff changeset
   170
            return {}
3c3c53d8343a unbundler: separate delta and header parsing
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 14143
diff changeset
   171
        fname = readexactly(self._stream, l)
20675
f8d50add83e1 changegroup: move from dict() construction to {} literals
Augie Fackler <raf@durin42.com>
parents: 19708
diff changeset
   172
        return {'filename': fname}
12334
50946802593d bundle: refactor progress callback
Matt Mackall <mpm@selenic.com>
parents: 12333
diff changeset
   173
14141
bd1cbfe5db5c bundler: make parsechunk return the base revision of the delta
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 14060
diff changeset
   174
    def _deltaheader(self, headertuple, prevnode):
bd1cbfe5db5c bundler: make parsechunk return the base revision of the delta
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 14060
diff changeset
   175
        node, p1, p2, cs = headertuple
bd1cbfe5db5c bundler: make parsechunk return the base revision of the delta
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 14060
diff changeset
   176
        if prevnode is None:
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 14060
diff changeset
   177
            deltabase = p1
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 14060
diff changeset
   178
        else:
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 14060
diff changeset
   179
            deltabase = prevnode
27433
12f727a5b434 changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents: 27432
diff changeset
   180
        flags = 0
12f727a5b434 changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents: 27432
diff changeset
   181
        return node, p1, p2, deltabase, cs, flags
14141
bd1cbfe5db5c bundler: make parsechunk return the base revision of the delta
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 14060
diff changeset
   182
14144
3c3c53d8343a unbundler: separate delta and header parsing
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 14143
diff changeset
   183
    def deltachunk(self, prevnode):
26707
5ee6bd529300 changegroup: mark cg1unpacker.chunklength as private
Augie Fackler <augie@google.com>
parents: 26706
diff changeset
   184
        l = self._chunklength()
12336
9d234f7d8a77 bundle: move chunk parsing into unbundle class
Matt Mackall <mpm@selenic.com>
parents: 12335
diff changeset
   185
        if not l:
9d234f7d8a77 bundle: move chunk parsing into unbundle class
Matt Mackall <mpm@selenic.com>
parents: 12335
diff changeset
   186
            return {}
14141
bd1cbfe5db5c bundler: make parsechunk return the base revision of the delta
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 14060
diff changeset
   187
        headerdata = readexactly(self._stream, self.deltaheadersize)
bd1cbfe5db5c bundler: make parsechunk return the base revision of the delta
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 14060
diff changeset
   188
        header = struct.unpack(self.deltaheader, headerdata)
bd1cbfe5db5c bundler: make parsechunk return the base revision of the delta
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 14060
diff changeset
   189
        delta = readexactly(self._stream, l - self.deltaheadersize)
27433
12f727a5b434 changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents: 27432
diff changeset
   190
        node, p1, p2, deltabase, cs, flags = self._deltaheader(header, prevnode)
34294
05131c963767 changegroup: remove dictionary creation from deltachunk
Durham Goode <durham@fb.com>
parents: 34291
diff changeset
   191
        return (node, p1, p2, cs, deltabase, delta, flags)
12336
9d234f7d8a77 bundle: move chunk parsing into unbundle class
Matt Mackall <mpm@selenic.com>
parents: 12335
diff changeset
   192
20999
1e28ec9744bf changegroup: move chunk extraction into a getchunks method of unbundle10
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20978
diff changeset
   193
    def getchunks(self):
1e28ec9744bf changegroup: move chunk extraction into a getchunks method of unbundle10
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20978
diff changeset
   194
        """returns all the chunks contains in the bundle
1e28ec9744bf changegroup: move chunk extraction into a getchunks method of unbundle10
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20978
diff changeset
   195
1e28ec9744bf changegroup: move chunk extraction into a getchunks method of unbundle10
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20978
diff changeset
   196
        Used when you need to forward the binary stream to a file or another
1e28ec9744bf changegroup: move chunk extraction into a getchunks method of unbundle10
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20978
diff changeset
   197
        network API. To do so, it parse the changegroup data, otherwise it will
1e28ec9744bf changegroup: move chunk extraction into a getchunks method of unbundle10
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20978
diff changeset
   198
        block in case of sshrepo because it don't know the end of the stream.
1e28ec9744bf changegroup: move chunk extraction into a getchunks method of unbundle10
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20978
diff changeset
   199
        """
34091
bbdca7e460c0 changegroup: fix to allow empty manifest parts
Durham Goode <durham@fb.com>
parents: 33712
diff changeset
   200
        # For changegroup 1 and 2, we expect 3 parts: changelog, manifestlog,
bbdca7e460c0 changegroup: fix to allow empty manifest parts
Durham Goode <durham@fb.com>
parents: 33712
diff changeset
   201
        # and a list of filelogs. For changegroup 3, we expect 4 parts:
bbdca7e460c0 changegroup: fix to allow empty manifest parts
Durham Goode <durham@fb.com>
parents: 33712
diff changeset
   202
        # changelog, manifestlog, a list of tree manifestlogs, and a list of
bbdca7e460c0 changegroup: fix to allow empty manifest parts
Durham Goode <durham@fb.com>
parents: 33712
diff changeset
   203
        # filelogs.
bbdca7e460c0 changegroup: fix to allow empty manifest parts
Durham Goode <durham@fb.com>
parents: 33712
diff changeset
   204
        #
bbdca7e460c0 changegroup: fix to allow empty manifest parts
Durham Goode <durham@fb.com>
parents: 33712
diff changeset
   205
        # Changelog and manifestlog parts are terminated with empty chunks. The
bbdca7e460c0 changegroup: fix to allow empty manifest parts
Durham Goode <durham@fb.com>
parents: 33712
diff changeset
   206
        # tree and file parts are a list of entry sections. Each entry section
bbdca7e460c0 changegroup: fix to allow empty manifest parts
Durham Goode <durham@fb.com>
parents: 33712
diff changeset
   207
        # is a series of chunks terminating in an empty chunk. The list of these
bbdca7e460c0 changegroup: fix to allow empty manifest parts
Durham Goode <durham@fb.com>
parents: 33712
diff changeset
   208
        # entry sections is terminated in yet another empty chunk, so we know
bbdca7e460c0 changegroup: fix to allow empty manifest parts
Durham Goode <durham@fb.com>
parents: 33712
diff changeset
   209
        # we've reached the end of the tree/file list when we reach an empty
bbdca7e460c0 changegroup: fix to allow empty manifest parts
Durham Goode <durham@fb.com>
parents: 33712
diff changeset
   210
        # chunk that was proceeded by no non-empty chunks.
bbdca7e460c0 changegroup: fix to allow empty manifest parts
Durham Goode <durham@fb.com>
parents: 33712
diff changeset
   211
bbdca7e460c0 changegroup: fix to allow empty manifest parts
Durham Goode <durham@fb.com>
parents: 33712
diff changeset
   212
        parts = 0
bbdca7e460c0 changegroup: fix to allow empty manifest parts
Durham Goode <durham@fb.com>
parents: 33712
diff changeset
   213
        while parts < 2 + self._grouplistcount:
bbdca7e460c0 changegroup: fix to allow empty manifest parts
Durham Goode <durham@fb.com>
parents: 33712
diff changeset
   214
            noentries = True
20999
1e28ec9744bf changegroup: move chunk extraction into a getchunks method of unbundle10
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20978
diff changeset
   215
            while True:
1e28ec9744bf changegroup: move chunk extraction into a getchunks method of unbundle10
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20978
diff changeset
   216
                chunk = getchunk(self)
1e28ec9744bf changegroup: move chunk extraction into a getchunks method of unbundle10
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20978
diff changeset
   217
                if not chunk:
34091
bbdca7e460c0 changegroup: fix to allow empty manifest parts
Durham Goode <durham@fb.com>
parents: 33712
diff changeset
   218
                    # The first two empty chunks represent the end of the
bbdca7e460c0 changegroup: fix to allow empty manifest parts
Durham Goode <durham@fb.com>
parents: 33712
diff changeset
   219
                    # changelog and the manifestlog portions. The remaining
bbdca7e460c0 changegroup: fix to allow empty manifest parts
Durham Goode <durham@fb.com>
parents: 33712
diff changeset
   220
                    # empty chunks represent either A) the end of individual
bbdca7e460c0 changegroup: fix to allow empty manifest parts
Durham Goode <durham@fb.com>
parents: 33712
diff changeset
   221
                    # tree or file entries in the file list, or B) the end of
bbdca7e460c0 changegroup: fix to allow empty manifest parts
Durham Goode <durham@fb.com>
parents: 33712
diff changeset
   222
                    # the entire list. It's the end of the entire list if there
bbdca7e460c0 changegroup: fix to allow empty manifest parts
Durham Goode <durham@fb.com>
parents: 33712
diff changeset
   223
                    # were no entries (i.e. noentries is True).
bbdca7e460c0 changegroup: fix to allow empty manifest parts
Durham Goode <durham@fb.com>
parents: 33712
diff changeset
   224
                    if parts < 2:
bbdca7e460c0 changegroup: fix to allow empty manifest parts
Durham Goode <durham@fb.com>
parents: 33712
diff changeset
   225
                        parts += 1
bbdca7e460c0 changegroup: fix to allow empty manifest parts
Durham Goode <durham@fb.com>
parents: 33712
diff changeset
   226
                    elif noentries:
bbdca7e460c0 changegroup: fix to allow empty manifest parts
Durham Goode <durham@fb.com>
parents: 33712
diff changeset
   227
                        parts += 1
20999
1e28ec9744bf changegroup: move chunk extraction into a getchunks method of unbundle10
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20978
diff changeset
   228
                    break
34091
bbdca7e460c0 changegroup: fix to allow empty manifest parts
Durham Goode <durham@fb.com>
parents: 33712
diff changeset
   229
                noentries = False
20999
1e28ec9744bf changegroup: move chunk extraction into a getchunks method of unbundle10
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20978
diff changeset
   230
                yield chunkheader(len(chunk))
1e28ec9744bf changegroup: move chunk extraction into a getchunks method of unbundle10
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20978
diff changeset
   231
                pos = 0
1e28ec9744bf changegroup: move chunk extraction into a getchunks method of unbundle10
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20978
diff changeset
   232
                while pos < len(chunk):
1e28ec9744bf changegroup: move chunk extraction into a getchunks method of unbundle10
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20978
diff changeset
   233
                    next = pos + 2**20
1e28ec9744bf changegroup: move chunk extraction into a getchunks method of unbundle10
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20978
diff changeset
   234
                    yield chunk[pos:next]
1e28ec9744bf changegroup: move chunk extraction into a getchunks method of unbundle10
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20978
diff changeset
   235
                    pos = next
1e28ec9744bf changegroup: move chunk extraction into a getchunks method of unbundle10
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20978
diff changeset
   236
            yield closechunk()
1e28ec9744bf changegroup: move chunk extraction into a getchunks method of unbundle10
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20978
diff changeset
   237
26712
04176eaf911b changegroup: move manifest unpacking into its own method
Augie Fackler <augie@google.com>
parents: 26711
diff changeset
   238
    def _unpackmanifests(self, repo, revmap, trp, prog, numchanges):
04176eaf911b changegroup: move manifest unpacking into its own method
Augie Fackler <augie@google.com>
parents: 26711
diff changeset
   239
        # We know that we'll never have more manifests than we had
04176eaf911b changegroup: move manifest unpacking into its own method
Augie Fackler <augie@google.com>
parents: 26711
diff changeset
   240
        # changesets.
04176eaf911b changegroup: move manifest unpacking into its own method
Augie Fackler <augie@google.com>
parents: 26711
diff changeset
   241
        self.callback = prog(_('manifests'), numchanges)
04176eaf911b changegroup: move manifest unpacking into its own method
Augie Fackler <augie@google.com>
parents: 26711
diff changeset
   242
        # no need to check for empty manifest group here:
04176eaf911b changegroup: move manifest unpacking into its own method
Augie Fackler <augie@google.com>
parents: 26711
diff changeset
   243
        # if the result of the merge of 1 and 2 is the same in 3 and 4,
04176eaf911b changegroup: move manifest unpacking into its own method
Augie Fackler <augie@google.com>
parents: 26711
diff changeset
   244
        # no new manifest will be created and the manifest group will
04176eaf911b changegroup: move manifest unpacking into its own method
Augie Fackler <augie@google.com>
parents: 26711
diff changeset
   245
        # be empty during the pull
04176eaf911b changegroup: move manifest unpacking into its own method
Augie Fackler <augie@google.com>
parents: 26711
diff changeset
   246
        self.manifestheader()
34291
1db9abf407c5 revlog: add revmap back to revlog.addgroup
Durham Goode <durham@fb.com>
parents: 34257
diff changeset
   247
        deltas = self.deltaiter()
1db9abf407c5 revlog: add revmap back to revlog.addgroup
Durham Goode <durham@fb.com>
parents: 34257
diff changeset
   248
        repo.manifestlog._revlog.addgroup(deltas, revmap, trp)
26712
04176eaf911b changegroup: move manifest unpacking into its own method
Augie Fackler <augie@google.com>
parents: 26711
diff changeset
   249
        repo.ui.progress(_('manifests'), None)
28360
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        self.callback = None
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    def apply(self, repo, tr, srctype, url, targetphase=phases.draft,
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              expectedtotal=None):
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        """Add the changegroup returned by source.read() to this repo.
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        srctype is a string like 'push', 'pull', or 'unbundle'.  url is
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        the URL of the repo where this changegroup is coming from.
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        Return an integer summarizing the change to this repo:
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        - nothing changed or no source: 0
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        - more heads than before: 1+added heads (2..n)
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        - fewer heads than before: -1-removed heads (-2..-n)
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        - number of heads stays the same: 1
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        """
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        repo = repo.unfiltered()
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        def csmap(x):
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            repo.ui.debug("add changeset %s\n" % short(x))
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            return len(cl)
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        def revmap(x):
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            return cl.rev(x)
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        changesets = files = revisions = 0
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        try:
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            # The transaction may already carry source information. In this
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            # case we use the top level data. We overwrite the argument
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            # because we need to use the top level value (if they exist)
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            # in this function.
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            srctype = tr.hookargs.setdefault('source', srctype)
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            url = tr.hookargs.setdefault('url', url)
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            repo.hook('prechangegroup',
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                      throw=True, **pycompat.strkwargs(tr.hookargs))
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            # write changelog data to temp files so concurrent readers
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            # will not see an inconsistent view
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            cl = repo.changelog
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            cl.delayupdate(tr)
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            oldheads = set(cl.heads())
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            trp = weakref.proxy(tr)
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            # pull off the changeset group
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            repo.ui.status(_("adding changesets\n"))
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            clstart = len(cl)
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            class prog(object):
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                def __init__(self, step, total):
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                    self._step = step
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                    self._total = total
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                    self._count = 1
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                def __call__(self):
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                    repo.ui.progress(self._step, self._count, unit=_('chunks'),
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                                     total=self._total)
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                    self._count += 1
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            self.callback = prog(_('changesets'), expectedtotal)
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            efiles = set()
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            def onchangelog(cl, node):
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                efiles.update(cl.readfiles(node))
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            self.changelogheader()
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            deltas = self.deltaiter()
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            cgnodes = cl.addgroup(deltas, csmap, trp, addrevisioncb=onchangelog)
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            efiles = len(efiles)
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            if not cgnodes:
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                repo.ui.develwarn('applied empty changegroup',
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                                  config='warn-empty-changegroup')
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            clend = len(cl)
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            changesets = clend - clstart
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   319
            repo.ui.progress(_('changesets'), None)
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            self.callback = None
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   321
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   322
            # pull off the manifest group
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   323
            repo.ui.status(_("adding manifests\n"))
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   324
            self._unpackmanifests(repo, revmap, trp, prog, changesets)
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   325
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   326
            needfiles = {}
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   327
            if repo.ui.configbool('server', 'validate'):
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   328
                cl = repo.changelog
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   329
                ml = repo.manifestlog
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   330
                # validate incoming csets have their manifests
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   331
                for cset in xrange(clstart, clend):
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   332
                    mfnode = cl.changelogrevision(cset).manifest
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   333
                    mfest = ml[mfnode].readdelta()
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   334
                    # store file cgnodes we must see
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   335
                    for f, n in mfest.iteritems():
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   336
                        needfiles.setdefault(f, set()).add(n)
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   337
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   338
            # process the files
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   339
            repo.ui.status(_("adding file changes\n"))
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   340
            newrevs, newfiles = _addchangegroupfiles(
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   341
                repo, self, revmap, trp, efiles, needfiles)
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   342
            revisions += newrevs
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   343
            files += newfiles
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   344
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   345
            deltaheads = 0
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   346
            if oldheads:
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   347
                heads = cl.heads()
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   348
                deltaheads = len(heads) - len(oldheads)
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   349
                for h in heads:
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   350
                    if h not in oldheads and repo[h].closesbranch():
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   351
                        deltaheads -= 1
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   352
            htext = ""
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   353
            if deltaheads:
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   354
                htext = _(" (%+d heads)") % deltaheads
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   355
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   356
            repo.ui.status(_("added %d changesets"
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   357
                             " with %d changes to %d files%s\n")
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   358
                             % (changesets, revisions, files, htext))
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   359
            repo.invalidatevolatilesets()
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   360
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   361
            if changesets > 0:
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   362
                if 'node' not in tr.hookargs:
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   363
                    tr.hookargs['node'] = hex(cl.node(clstart))
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   364
                    tr.hookargs['node_last'] = hex(cl.node(clend - 1))
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   365
                    hookargs = dict(tr.hookargs)
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   366
                else:
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                    hookargs = dict(tr.hookargs)
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   368
                    hookargs['node'] = hex(cl.node(clstart))
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                    hookargs['node_last'] = hex(cl.node(clend - 1))
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                repo.hook('pretxnchangegroup',
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   371
                          throw=True, **pycompat.strkwargs(hookargs))
26695
1121fced5b20 changegroup: migrate addchangegroup() to forward to cg?unpacker.apply()
Augie Fackler <augie@google.com>
parents: 26694
diff changeset
   372
32931
b08431e1b062 changegroup: delete "if True" and reflow
Martin von Zweigbergk <martinvonz@google.com>
parents: 32930
diff changeset
   373
            added = [cl.node(r) for r in xrange(clstart, clend)]
33456
ae052d04b89e phases: rework phase movement code in 'cg.apply' to use 'registernew'
Boris Feld <boris.feld@octobus.net>
parents: 33406
diff changeset
   374
            phaseall = None
32931
b08431e1b062 changegroup: delete "if True" and reflow
Martin von Zweigbergk <martinvonz@google.com>
parents: 32930
diff changeset
   375
            if srctype in ('push', 'serve'):
b08431e1b062 changegroup: delete "if True" and reflow
Martin von Zweigbergk <martinvonz@google.com>
parents: 32930
diff changeset
   376
                # Old servers can not push the boundary themselves.
b08431e1b062 changegroup: delete "if True" and reflow
Martin von Zweigbergk <martinvonz@google.com>
parents: 32930
diff changeset
   377
                # New servers won't push the boundary if changeset already
b08431e1b062 changegroup: delete "if True" and reflow
Martin von Zweigbergk <martinvonz@google.com>
parents: 32930
diff changeset
   378
                # exists locally as secret
b08431e1b062 changegroup: delete "if True" and reflow
Martin von Zweigbergk <martinvonz@google.com>
parents: 32930
diff changeset
   379
                #
b08431e1b062 changegroup: delete "if True" and reflow
Martin von Zweigbergk <martinvonz@google.com>
parents: 32930
diff changeset
   380
                # We should not use added here but the list of all change in
b08431e1b062 changegroup: delete "if True" and reflow
Martin von Zweigbergk <martinvonz@google.com>
parents: 32930
diff changeset
   381
                # the bundle
b08431e1b062 changegroup: delete "if True" and reflow
Martin von Zweigbergk <martinvonz@google.com>
parents: 32930
diff changeset
   382
                if repo.publishing():
33456
ae052d04b89e phases: rework phase movement code in 'cg.apply' to use 'registernew'
Boris Feld <boris.feld@octobus.net>
parents: 33406
diff changeset
   383
                    targetphase = phaseall = phases.public
32931
b08431e1b062 changegroup: delete "if True" and reflow
Martin von Zweigbergk <martinvonz@google.com>
parents: 32930
diff changeset
   384
                else:
33456
ae052d04b89e phases: rework phase movement code in 'cg.apply' to use 'registernew'
Boris Feld <boris.feld@octobus.net>
parents: 33406
diff changeset
   385
                    # closer target phase computation
ae052d04b89e phases: rework phase movement code in 'cg.apply' to use 'registernew'
Boris Feld <boris.feld@octobus.net>
parents: 33406
diff changeset
   386
32931
b08431e1b062 changegroup: delete "if True" and reflow
Martin von Zweigbergk <martinvonz@google.com>
parents: 32930
diff changeset
   387
                    # Those changesets have been pushed from the
b08431e1b062 changegroup: delete "if True" and reflow
Martin von Zweigbergk <martinvonz@google.com>
parents: 32930
diff changeset
   388
                    # outside, their phases are going to be pushed
b08431e1b062 changegroup: delete "if True" and reflow
Martin von Zweigbergk <martinvonz@google.com>
parents: 32930
diff changeset
   389
                    # alongside. Therefor `targetphase` is
b08431e1b062 changegroup: delete "if True" and reflow
Martin von Zweigbergk <martinvonz@google.com>
parents: 32930
diff changeset
   390
                    # ignored.
33456
ae052d04b89e phases: rework phase movement code in 'cg.apply' to use 'registernew'
Boris Feld <boris.feld@octobus.net>
parents: 33406
diff changeset
   391
                    targetphase = phaseall = phases.draft
ae052d04b89e phases: rework phase movement code in 'cg.apply' to use 'registernew'
Boris Feld <boris.feld@octobus.net>
parents: 33406
diff changeset
   392
            if added:
ae052d04b89e phases: rework phase movement code in 'cg.apply' to use 'registernew'
Boris Feld <boris.feld@octobus.net>
parents: 33406
diff changeset
   393
                phases.registernew(repo, tr, targetphase, added)
ae052d04b89e phases: rework phase movement code in 'cg.apply' to use 'registernew'
Boris Feld <boris.feld@octobus.net>
parents: 33406
diff changeset
   394
            if phaseall is not None:
ae052d04b89e phases: rework phase movement code in 'cg.apply' to use 'registernew'
Boris Feld <boris.feld@octobus.net>
parents: 33406
diff changeset
   395
                phases.advanceboundary(repo, tr, phaseall, cgnodes)
26695
1121fced5b20 changegroup: migrate addchangegroup() to forward to cg?unpacker.apply()
Augie Fackler <augie@google.com>
parents: 26694
diff changeset
   396
32931
b08431e1b062 changegroup: delete "if True" and reflow
Martin von Zweigbergk <martinvonz@google.com>
parents: 32930
diff changeset
   397
            if changesets > 0:
26695
1121fced5b20 changegroup: migrate addchangegroup() to forward to cg?unpacker.apply()
Augie Fackler <augie@google.com>
parents: 26694
diff changeset
   398
32931
b08431e1b062 changegroup: delete "if True" and reflow
Martin von Zweigbergk <martinvonz@google.com>
parents: 32930
diff changeset
   399
                def runhooks():
b08431e1b062 changegroup: delete "if True" and reflow
Martin von Zweigbergk <martinvonz@google.com>
parents: 32930
diff changeset
   400
                    # These hooks run when the lock releases, not when the
b08431e1b062 changegroup: delete "if True" and reflow
Martin von Zweigbergk <martinvonz@google.com>
parents: 32930
diff changeset
   401
                    # transaction closes. So it's possible for the changelog
b08431e1b062 changegroup: delete "if True" and reflow
Martin von Zweigbergk <martinvonz@google.com>
parents: 32930
diff changeset
   402
                    # to have changed since we last saw it.
b08431e1b062 changegroup: delete "if True" and reflow
Martin von Zweigbergk <martinvonz@google.com>
parents: 32930
diff changeset
   403
                    if clstart >= len(repo):
b08431e1b062 changegroup: delete "if True" and reflow
Martin von Zweigbergk <martinvonz@google.com>
parents: 32930
diff changeset
   404
                        return
26695
1121fced5b20 changegroup: migrate addchangegroup() to forward to cg?unpacker.apply()
Augie Fackler <augie@google.com>
parents: 26694
diff changeset
   405
33712
672ad4f3bb84 changegroup: more **kwargs
Augie Fackler <augie@google.com>
parents: 33671
diff changeset
   406
                    repo.hook("changegroup", **pycompat.strkwargs(hookargs))
27867
7ced54ebf972 with: use context manager for transaction in changegroup apply
Bryan O'Sullivan <bryano@fb.com>
parents: 27754
diff changeset
   407
32931
b08431e1b062 changegroup: delete "if True" and reflow
Martin von Zweigbergk <martinvonz@google.com>
parents: 32930
diff changeset
   408
                    for n in added:
b08431e1b062 changegroup: delete "if True" and reflow
Martin von Zweigbergk <martinvonz@google.com>
parents: 32930
diff changeset
   409
                        args = hookargs.copy()
b08431e1b062 changegroup: delete "if True" and reflow
Martin von Zweigbergk <martinvonz@google.com>
parents: 32930
diff changeset
   410
                        args['node'] = hex(n)
b08431e1b062 changegroup: delete "if True" and reflow
Martin von Zweigbergk <martinvonz@google.com>
parents: 32930
diff changeset
   411
                        del args['node_last']
33712
672ad4f3bb84 changegroup: more **kwargs
Augie Fackler <augie@google.com>
parents: 33671
diff changeset
   412
                        repo.hook("incoming", **pycompat.strkwargs(args))
26695
1121fced5b20 changegroup: migrate addchangegroup() to forward to cg?unpacker.apply()
Augie Fackler <augie@google.com>
parents: 26694
diff changeset
   413
32931
b08431e1b062 changegroup: delete "if True" and reflow
Martin von Zweigbergk <martinvonz@google.com>
parents: 32930
diff changeset
   414
                    newheads = [h for h in repo.heads()
b08431e1b062 changegroup: delete "if True" and reflow
Martin von Zweigbergk <martinvonz@google.com>
parents: 32930
diff changeset
   415
                                if h not in oldheads]
b08431e1b062 changegroup: delete "if True" and reflow
Martin von Zweigbergk <martinvonz@google.com>
parents: 32930
diff changeset
   416
                    repo.ui.log("incoming",
b08431e1b062 changegroup: delete "if True" and reflow
Martin von Zweigbergk <martinvonz@google.com>
parents: 32930
diff changeset
   417
                                "%s incoming changes - new heads: %s\n",
b08431e1b062 changegroup: delete "if True" and reflow
Martin von Zweigbergk <martinvonz@google.com>
parents: 32930
diff changeset
   418
                                len(added),
b08431e1b062 changegroup: delete "if True" and reflow
Martin von Zweigbergk <martinvonz@google.com>
parents: 32930
diff changeset
   419
                                ', '.join([hex(c[:6]) for c in newheads]))
26695
1121fced5b20 changegroup: migrate addchangegroup() to forward to cg?unpacker.apply()
Augie Fackler <augie@google.com>
parents: 26694
diff changeset
   420
32931
b08431e1b062 changegroup: delete "if True" and reflow
Martin von Zweigbergk <martinvonz@google.com>
parents: 32930
diff changeset
   421
                tr.addpostclose('changegroup-runhooks-%020i' % clstart,
b08431e1b062 changegroup: delete "if True" and reflow
Martin von Zweigbergk <martinvonz@google.com>
parents: 32930
diff changeset
   422
                                lambda tr: repo._afterlock(runhooks))
26695
1121fced5b20 changegroup: migrate addchangegroup() to forward to cg?unpacker.apply()
Augie Fackler <augie@google.com>
parents: 26694
diff changeset
   423
        finally:
1121fced5b20 changegroup: migrate addchangegroup() to forward to cg?unpacker.apply()
Augie Fackler <augie@google.com>
parents: 26694
diff changeset
   424
            repo.ui.flush()
1121fced5b20 changegroup: migrate addchangegroup() to forward to cg?unpacker.apply()
Augie Fackler <augie@google.com>
parents: 26694
diff changeset
   425
        # never return 0 here:
32870
b441296f8e9c changegroup: rename "dh" to the clearer "deltaheads"
Martin von Zweigbergk <martinvonz@google.com>
parents: 32869
diff changeset
   426
        if deltaheads < 0:
33030
3e102a8dd52c bundle2: record changegroup data in 'op.records' (API)
Martin von Zweigbergk <martinvonz@google.com>
parents: 32931
diff changeset
   427
            ret = deltaheads - 1
26695
1121fced5b20 changegroup: migrate addchangegroup() to forward to cg?unpacker.apply()
Augie Fackler <augie@google.com>
parents: 26694
diff changeset
   428
        else:
33030
3e102a8dd52c bundle2: record changegroup data in 'op.records' (API)
Martin von Zweigbergk <martinvonz@google.com>
parents: 32931
diff changeset
   429
            ret = deltaheads + 1
33461
bb72031f0ea8 changegroup: stop returning and recording added nodes in 'cg.apply'
Boris Feld <boris.feld@octobus.net>
parents: 33456
diff changeset
   430
        return ret
26695
1121fced5b20 changegroup: migrate addchangegroup() to forward to cg?unpacker.apply()
Augie Fackler <augie@google.com>
parents: 26694
diff changeset
   431
34291
1db9abf407c5 revlog: add revmap back to revlog.addgroup
Durham Goode <durham@fb.com>
parents: 34257
diff changeset
   432
    def deltaiter(self):
34148
c8b6ed51386b changegroup: remove changegroup dependency from revlog.addgroup
Durham Goode <durham@fb.com>
parents: 34103
diff changeset
   433
        """
c8b6ed51386b changegroup: remove changegroup dependency from revlog.addgroup
Durham Goode <durham@fb.com>
parents: 34103
diff changeset
   434
        returns an iterator of the deltas in this changegroup
c8b6ed51386b changegroup: remove changegroup dependency from revlog.addgroup
Durham Goode <durham@fb.com>
parents: 34103
diff changeset
   435
c8b6ed51386b changegroup: remove changegroup dependency from revlog.addgroup
Durham Goode <durham@fb.com>
parents: 34103
diff changeset
   436
        Useful for passing to the underlying storage system to be stored.
c8b6ed51386b changegroup: remove changegroup dependency from revlog.addgroup
Durham Goode <durham@fb.com>
parents: 34103
diff changeset
   437
        """
c8b6ed51386b changegroup: remove changegroup dependency from revlog.addgroup
Durham Goode <durham@fb.com>
parents: 34103
diff changeset
   438
        chain = None
c8b6ed51386b changegroup: remove changegroup dependency from revlog.addgroup
Durham Goode <durham@fb.com>
parents: 34103
diff changeset
   439
        for chunkdata in iter(lambda: self.deltachunk(chain), {}):
34294
05131c963767 changegroup: remove dictionary creation from deltachunk
Durham Goode <durham@fb.com>
parents: 34291
diff changeset
   440
            # Chunkdata: (node, p1, p2, cs, deltabase, delta, flags)
05131c963767 changegroup: remove dictionary creation from deltachunk
Durham Goode <durham@fb.com>
parents: 34291
diff changeset
   441
            yield chunkdata
05131c963767 changegroup: remove dictionary creation from deltachunk
Durham Goode <durham@fb.com>
parents: 34291
diff changeset
   442
            chain = chunkdata[0]
34148
c8b6ed51386b changegroup: remove changegroup dependency from revlog.addgroup
Durham Goode <durham@fb.com>
parents: 34103
diff changeset
   443
23181
832b7ef275c8 changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents: 23178
diff changeset
   444
class cg2unpacker(cg1unpacker):
26708
749d913f24b8 changegroup: document the public surface area of cg?unpackers
Augie Fackler <augie@google.com>
parents: 26707
diff changeset
   445
    """Unpacker for cg2 streams.
749d913f24b8 changegroup: document the public surface area of cg?unpackers
Augie Fackler <augie@google.com>
parents: 26707
diff changeset
   446
749d913f24b8 changegroup: document the public surface area of cg?unpackers
Augie Fackler <augie@google.com>
parents: 26707
diff changeset
   447
    cg2 streams add support for generaldelta, so the delta header
749d913f24b8 changegroup: document the public surface area of cg?unpackers
Augie Fackler <augie@google.com>
parents: 26707
diff changeset
   448
    format is slightly different. All other features about the data
749d913f24b8 changegroup: document the public surface area of cg?unpackers
Augie Fackler <augie@google.com>
parents: 26707
diff changeset
   449
    remain the same.
749d913f24b8 changegroup: document the public surface area of cg?unpackers
Augie Fackler <augie@google.com>
parents: 26707
diff changeset
   450
    """
23181
832b7ef275c8 changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents: 23178
diff changeset
   451
    deltaheader = _CHANGEGROUPV2_DELTA_HEADER
832b7ef275c8 changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents: 23178
diff changeset
   452
    deltaheadersize = struct.calcsize(deltaheader)
23896
becfecaf9087 changegroup.writebundle: HG2Y support
Eric Sumner <ericsumner@fb.com>
parents: 23895
diff changeset
   453
    version = '02'
23181
832b7ef275c8 changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents: 23178
diff changeset
   454
832b7ef275c8 changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents: 23178
diff changeset
   455
    def _deltaheader(self, headertuple, prevnode):
832b7ef275c8 changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents: 23178
diff changeset
   456
        node, p1, p2, deltabase, cs = headertuple
27433
12f727a5b434 changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents: 27432
diff changeset
   457
        flags = 0
12f727a5b434 changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents: 27432
diff changeset
   458
        return node, p1, p2, deltabase, cs, flags
23181
832b7ef275c8 changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents: 23178
diff changeset
   459
27432
77d25b913f80 changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents: 27241
diff changeset
   460
class cg3unpacker(cg2unpacker):
77d25b913f80 changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents: 27241
diff changeset
   461
    """Unpacker for cg3 streams.
77d25b913f80 changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents: 27241
diff changeset
   462
27433
12f727a5b434 changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents: 27432
diff changeset
   463
    cg3 streams add support for exchanging treemanifests and revlog
27753
d4071cc73f46 changegroup3: add empty chunk separating directories and files
Martin von Zweigbergk <martinvonz@google.com>
parents: 27752
diff changeset
   464
    flags. It adds the revlog flags to the delta header and an empty chunk
d4071cc73f46 changegroup3: add empty chunk separating directories and files
Martin von Zweigbergk <martinvonz@google.com>
parents: 27752
diff changeset
   465
    separating manifests and files.
27432
77d25b913f80 changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents: 27241
diff changeset
   466
    """
27433
12f727a5b434 changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents: 27432
diff changeset
   467
    deltaheader = _CHANGEGROUPV3_DELTA_HEADER
12f727a5b434 changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents: 27432
diff changeset
   468
    deltaheadersize = struct.calcsize(deltaheader)
27432
77d25b913f80 changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents: 27241
diff changeset
   469
    version = '03'
27920
da5f23362517 changegroup: cg3 has two empty groups *after* manifests
Martin von Zweigbergk <martinvonz@google.com>
parents: 27867
diff changeset
   470
    _grouplistcount = 2 # One list of manifests and one list of files
27432
77d25b913f80 changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents: 27241
diff changeset
   471
27433
12f727a5b434 changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents: 27432
diff changeset
   472
    def _deltaheader(self, headertuple, prevnode):
12f727a5b434 changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents: 27432
diff changeset
   473
        node, p1, p2, deltabase, cs, flags = headertuple
12f727a5b434 changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents: 27432
diff changeset
   474
        return node, p1, p2, deltabase, cs, flags
12f727a5b434 changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents: 27432
diff changeset
   475
27754
a09f143daaf4 changegroup3: move treemanifest support into _unpackmanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27753
diff changeset
   476
    def _unpackmanifests(self, repo, revmap, trp, prog, numchanges):
a09f143daaf4 changegroup3: move treemanifest support into _unpackmanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27753
diff changeset
   477
        super(cg3unpacker, self)._unpackmanifests(repo, revmap, trp, prog,
a09f143daaf4 changegroup3: move treemanifest support into _unpackmanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27753
diff changeset
   478
                                                  numchanges)
29724
4e7be6e33269 changegroup: use `iter(callable, sentinel)` instead of while True
Augie Fackler <augie@google.com>
parents: 29690
diff changeset
   479
        for chunkdata in iter(self.filelogheader, {}):
27754
a09f143daaf4 changegroup3: move treemanifest support into _unpackmanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27753
diff changeset
   480
            # If we get here, there are directory manifests in the changegroup
a09f143daaf4 changegroup3: move treemanifest support into _unpackmanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27753
diff changeset
   481
            d = chunkdata["filename"]
a09f143daaf4 changegroup3: move treemanifest support into _unpackmanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27753
diff changeset
   482
            repo.ui.debug("adding %s revisions\n" % d)
30339
6cdfb7e15a35 changegroup: remove remaining uses of repo.manifest
Durham Goode <durham@fb.com>
parents: 30294
diff changeset
   483
            dirlog = repo.manifestlog._revlog.dirlog(d)
34291
1db9abf407c5 revlog: add revmap back to revlog.addgroup
Durham Goode <durham@fb.com>
parents: 34257
diff changeset
   484
            deltas = self.deltaiter()
1db9abf407c5 revlog: add revmap back to revlog.addgroup
Durham Goode <durham@fb.com>
parents: 34257
diff changeset
   485
            if not dirlog.addgroup(deltas, revmap, trp):
27754
a09f143daaf4 changegroup3: move treemanifest support into _unpackmanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27753
diff changeset
   486
                raise error.Abort(_("received dir revlog group is empty"))
a09f143daaf4 changegroup3: move treemanifest support into _unpackmanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27753
diff changeset
   487
12329
7458de933f26 bundle: push chunkbuffer down into decompress
Matt Mackall <mpm@selenic.com>
parents: 12044
diff changeset
   488
class headerlessfixup(object):
7458de933f26 bundle: push chunkbuffer down into decompress
Matt Mackall <mpm@selenic.com>
parents: 12044
diff changeset
   489
    def __init__(self, fh, h):
7458de933f26 bundle: push chunkbuffer down into decompress
Matt Mackall <mpm@selenic.com>
parents: 12044
diff changeset
   490
        self._h = h
7458de933f26 bundle: push chunkbuffer down into decompress
Matt Mackall <mpm@selenic.com>
parents: 12044
diff changeset
   491
        self._fh = fh
7458de933f26 bundle: push chunkbuffer down into decompress
Matt Mackall <mpm@selenic.com>
parents: 12044
diff changeset
   492
    def read(self, n):
7458de933f26 bundle: push chunkbuffer down into decompress
Matt Mackall <mpm@selenic.com>
parents: 12044
diff changeset
   493
        if self._h:
7458de933f26 bundle: push chunkbuffer down into decompress
Matt Mackall <mpm@selenic.com>
parents: 12044
diff changeset
   494
            d, self._h = self._h[:n], self._h[n:]
7458de933f26 bundle: push chunkbuffer down into decompress
Matt Mackall <mpm@selenic.com>
parents: 12044
diff changeset
   495
            if len(d) < n:
13457
e74fe15dc7fd changegroup: verify all stream reads
Mads Kiilerich <mads@kiilerich.com>
parents: 13456
diff changeset
   496
                d += readexactly(self._fh, n - len(d))
12329
7458de933f26 bundle: push chunkbuffer down into decompress
Matt Mackall <mpm@selenic.com>
parents: 12044
diff changeset
   497
            return d
13457
e74fe15dc7fd changegroup: verify all stream reads
Mads Kiilerich <mads@kiilerich.com>
parents: 13456
diff changeset
   498
        return readexactly(self._fh, n)
12329
7458de933f26 bundle: push chunkbuffer down into decompress
Matt Mackall <mpm@selenic.com>
parents: 12044
diff changeset
   499
22390
e2806b8613ca changegroup: rename bundle-related functions and classes
Sune Foldager <cryo@cyanite.org>
parents: 22070
diff changeset
   500
class cg1packer(object):
e2806b8613ca changegroup: rename bundle-related functions and classes
Sune Foldager <cryo@cyanite.org>
parents: 22070
diff changeset
   501
    deltaheader = _CHANGEGROUPV1_DELTA_HEADER
23896
becfecaf9087 changegroup.writebundle: HG2Y support
Eric Sumner <ericsumner@fb.com>
parents: 23895
diff changeset
   502
    version = '01'
32287
df3cf9422e1b changegroup: add bundlecaps back
Durham Goode <durham@fb.com>
parents: 32268
diff changeset
   503
    def __init__(self, repo, bundlecaps=None):
19202
0455fc94ae00 bundle-ng: move gengroup into bundler, pass repo object to bundler
Sune Foldager <cryo@cyanite.org>
parents: 19201
diff changeset
   504
        """Given a source repo, construct a bundler.
32287
df3cf9422e1b changegroup: add bundlecaps back
Durham Goode <durham@fb.com>
parents: 32268
diff changeset
   505
df3cf9422e1b changegroup: add bundlecaps back
Durham Goode <durham@fb.com>
parents: 32268
diff changeset
   506
        bundlecaps is optional and can be used to specify the set of
df3cf9422e1b changegroup: add bundlecaps back
Durham Goode <durham@fb.com>
parents: 32268
diff changeset
   507
        capabilities which can be used to build the bundle. While bundlecaps is
df3cf9422e1b changegroup: add bundlecaps back
Durham Goode <durham@fb.com>
parents: 32268
diff changeset
   508
        unused in core Mercurial, extensions rely on this feature to communicate
df3cf9422e1b changegroup: add bundlecaps back
Durham Goode <durham@fb.com>
parents: 32268
diff changeset
   509
        capabilities to customize the changegroup packer.
19202
0455fc94ae00 bundle-ng: move gengroup into bundler, pass repo object to bundler
Sune Foldager <cryo@cyanite.org>
parents: 19201
diff changeset
   510
        """
32287
df3cf9422e1b changegroup: add bundlecaps back
Durham Goode <durham@fb.com>
parents: 32268
diff changeset
   511
        # Set of capabilities we can use to build the bundle.
df3cf9422e1b changegroup: add bundlecaps back
Durham Goode <durham@fb.com>
parents: 32268
diff changeset
   512
        if bundlecaps is None:
df3cf9422e1b changegroup: add bundlecaps back
Durham Goode <durham@fb.com>
parents: 32268
diff changeset
   513
            bundlecaps = set()
df3cf9422e1b changegroup: add bundlecaps back
Durham Goode <durham@fb.com>
parents: 32268
diff changeset
   514
        self._bundlecaps = bundlecaps
25831
578fc97904da generaldelta: mark experimental reordering option
Matt Mackall <mpm@selenic.com>
parents: 25823
diff changeset
   515
        # experimental config: bundle.reorder
33183
9f95f0bb343b configitems: register the 'bundle.reorder' config
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 33036
diff changeset
   516
        reorder = repo.ui.config('bundle', 'reorder')
19202
0455fc94ae00 bundle-ng: move gengroup into bundler, pass repo object to bundler
Sune Foldager <cryo@cyanite.org>
parents: 19201
diff changeset
   517
        if reorder == 'auto':
0455fc94ae00 bundle-ng: move gengroup into bundler, pass repo object to bundler
Sune Foldager <cryo@cyanite.org>
parents: 19201
diff changeset
   518
            reorder = None
0455fc94ae00 bundle-ng: move gengroup into bundler, pass repo object to bundler
Sune Foldager <cryo@cyanite.org>
parents: 19201
diff changeset
   519
        else:
0455fc94ae00 bundle-ng: move gengroup into bundler, pass repo object to bundler
Sune Foldager <cryo@cyanite.org>
parents: 19201
diff changeset
   520
            reorder = util.parsebool(reorder)
0455fc94ae00 bundle-ng: move gengroup into bundler, pass repo object to bundler
Sune Foldager <cryo@cyanite.org>
parents: 19201
diff changeset
   521
        self._repo = repo
0455fc94ae00 bundle-ng: move gengroup into bundler, pass repo object to bundler
Sune Foldager <cryo@cyanite.org>
parents: 19201
diff changeset
   522
        self._reorder = reorder
19208
0b564cf359a7 bundle-ng: move progress handling out of the linkrev callback
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 19207
diff changeset
   523
        self._progress = repo.ui.progress
23748
4ab66de46a96 bundle: when verbose, show what takes up the space in the generated bundle
Mads Kiilerich <madski@unity3d.com>
parents: 23382
diff changeset
   524
        if self._repo.ui.verbose and not self._repo.ui.debugflag:
4ab66de46a96 bundle: when verbose, show what takes up the space in the generated bundle
Mads Kiilerich <madski@unity3d.com>
parents: 23382
diff changeset
   525
            self._verbosenote = self._repo.ui.note
4ab66de46a96 bundle: when verbose, show what takes up the space in the generated bundle
Mads Kiilerich <madski@unity3d.com>
parents: 23382
diff changeset
   526
        else:
4ab66de46a96 bundle: when verbose, show what takes up the space in the generated bundle
Mads Kiilerich <madski@unity3d.com>
parents: 23382
diff changeset
   527
            self._verbosenote = lambda s: None
4ab66de46a96 bundle: when verbose, show what takes up the space in the generated bundle
Mads Kiilerich <madski@unity3d.com>
parents: 23382
diff changeset
   528
13831
d69c9510d648 changegroup: introduce bundler objects
Matt Mackall <mpm@selenic.com>
parents: 13786
diff changeset
   529
    def close(self):
d69c9510d648 changegroup: introduce bundler objects
Matt Mackall <mpm@selenic.com>
parents: 13786
diff changeset
   530
        return closechunk()
19200
4cfdec944edf bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents: 19199
diff changeset
   531
13831
d69c9510d648 changegroup: introduce bundler objects
Matt Mackall <mpm@selenic.com>
parents: 13786
diff changeset
   532
    def fileheader(self, fname):
d69c9510d648 changegroup: introduce bundler objects
Matt Mackall <mpm@selenic.com>
parents: 13786
diff changeset
   533
        return chunkheader(len(fname)) + fname
19200
4cfdec944edf bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents: 19199
diff changeset
   534
29236
1b7d907ec18a changegroup: extract method that sorts nodes to send
Augie Fackler <augie@google.com>
parents: 28666
diff changeset
   535
    # Extracted both for clarity and for overriding in extensions.
1b7d907ec18a changegroup: extract method that sorts nodes to send
Augie Fackler <augie@google.com>
parents: 28666
diff changeset
   536
    def _sortgroup(self, revlog, nodelist, lookup):
1b7d907ec18a changegroup: extract method that sorts nodes to send
Augie Fackler <augie@google.com>
parents: 28666
diff changeset
   537
        """Sort nodes for change group and turn them into revnums."""
1b7d907ec18a changegroup: extract method that sorts nodes to send
Augie Fackler <augie@google.com>
parents: 28666
diff changeset
   538
        # for generaldelta revlogs, we linearize the revs; this will both be
1b7d907ec18a changegroup: extract method that sorts nodes to send
Augie Fackler <augie@google.com>
parents: 28666
diff changeset
   539
        # much quicker and generate a much smaller bundle
1b7d907ec18a changegroup: extract method that sorts nodes to send
Augie Fackler <augie@google.com>
parents: 28666
diff changeset
   540
        if (revlog._generaldelta and self._reorder is None) or self._reorder:
1b7d907ec18a changegroup: extract method that sorts nodes to send
Augie Fackler <augie@google.com>
parents: 28666
diff changeset
   541
            dag = dagutil.revlogdag(revlog)
1b7d907ec18a changegroup: extract method that sorts nodes to send
Augie Fackler <augie@google.com>
parents: 28666
diff changeset
   542
            return dag.linearize(set(revlog.rev(n) for n in nodelist))
1b7d907ec18a changegroup: extract method that sorts nodes to send
Augie Fackler <augie@google.com>
parents: 28666
diff changeset
   543
        else:
1b7d907ec18a changegroup: extract method that sorts nodes to send
Augie Fackler <augie@google.com>
parents: 28666
diff changeset
   544
            return sorted([revlog.rev(n) for n in nodelist])
1b7d907ec18a changegroup: extract method that sorts nodes to send
Augie Fackler <augie@google.com>
parents: 28666
diff changeset
   545
24912
e285b98c65cc changegroup.group: drop 'reorder' parameter
Martin von Zweigbergk <martinvonz@google.com>
parents: 24911
diff changeset
   546
    def group(self, nodelist, revlog, lookup, units=None):
19200
4cfdec944edf bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents: 19199
diff changeset
   547
        """Calculate a delta group, yielding a sequence of changegroup chunks
4cfdec944edf bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents: 19199
diff changeset
   548
        (strings).
4cfdec944edf bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents: 19199
diff changeset
   549
4cfdec944edf bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents: 19199
diff changeset
   550
        Given a list of changeset revs, return a set of deltas and
4cfdec944edf bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents: 19199
diff changeset
   551
        metadata corresponding to nodes. The first delta is
4cfdec944edf bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents: 19199
diff changeset
   552
        first parent(nodelist[0]) -> nodelist[0], the receiver is
4cfdec944edf bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents: 19199
diff changeset
   553
        guaranteed to have this parent as it has all history before
4cfdec944edf bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents: 19199
diff changeset
   554
        these changesets. In the case firstparent is nullrev the
4cfdec944edf bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents: 19199
diff changeset
   555
        changegroup starts with a full revision.
19208
0b564cf359a7 bundle-ng: move progress handling out of the linkrev callback
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 19207
diff changeset
   556
0b564cf359a7 bundle-ng: move progress handling out of the linkrev callback
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 19207
diff changeset
   557
        If units is not None, progress detail will be generated, units specifies
0b564cf359a7 bundle-ng: move progress handling out of the linkrev callback
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 19207
diff changeset
   558
        the type of revlog that is touched (changelog, manifest, etc.).
19200
4cfdec944edf bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents: 19199
diff changeset
   559
        """
4cfdec944edf bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents: 19199
diff changeset
   560
        # if we don't have any revisions touched by these changesets, bail
4cfdec944edf bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents: 19199
diff changeset
   561
        if len(nodelist) == 0:
4cfdec944edf bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents: 19199
diff changeset
   562
            yield self.close()
4cfdec944edf bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents: 19199
diff changeset
   563
            return
4cfdec944edf bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents: 19199
diff changeset
   564
29236
1b7d907ec18a changegroup: extract method that sorts nodes to send
Augie Fackler <augie@google.com>
parents: 28666
diff changeset
   565
        revs = self._sortgroup(revlog, nodelist, lookup)
19200
4cfdec944edf bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents: 19199
diff changeset
   566
4cfdec944edf bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents: 19199
diff changeset
   567
        # add the parent of the first rev
4cfdec944edf bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents: 19199
diff changeset
   568
        p = revlog.parentrevs(revs[0])[0]
4cfdec944edf bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents: 19199
diff changeset
   569
        revs.insert(0, p)
4cfdec944edf bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents: 19199
diff changeset
   570
4cfdec944edf bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents: 19199
diff changeset
   571
        # build deltas
19208
0b564cf359a7 bundle-ng: move progress handling out of the linkrev callback
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 19207
diff changeset
   572
        total = len(revs) - 1
0b564cf359a7 bundle-ng: move progress handling out of the linkrev callback
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 19207
diff changeset
   573
        msgbundling = _('bundling')
19200
4cfdec944edf bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents: 19199
diff changeset
   574
        for r in xrange(len(revs) - 1):
19208
0b564cf359a7 bundle-ng: move progress handling out of the linkrev callback
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 19207
diff changeset
   575
            if units is not None:
0b564cf359a7 bundle-ng: move progress handling out of the linkrev callback
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 19207
diff changeset
   576
                self._progress(msgbundling, r + 1, unit=units, total=total)
19200
4cfdec944edf bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents: 19199
diff changeset
   577
            prev, curr = revs[r], revs[r + 1]
19207
a67e1380dfbd bundle-ng: simplify lookup and state handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 19206
diff changeset
   578
            linknode = lookup(revlog.node(curr))
a67e1380dfbd bundle-ng: simplify lookup and state handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 19206
diff changeset
   579
            for c in self.revchunk(revlog, curr, prev, linknode):
19200
4cfdec944edf bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents: 19199
diff changeset
   580
                yield c
4cfdec944edf bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents: 19199
diff changeset
   581
24901
e9edd53770fb changegroup: close progress in same function as it's started
Martin von Zweigbergk <martinvonz@google.com>
parents: 24900
diff changeset
   582
        if units is not None:
e9edd53770fb changegroup: close progress in same function as it's started
Martin von Zweigbergk <martinvonz@google.com>
parents: 24900
diff changeset
   583
            self._progress(msgbundling, None)
19200
4cfdec944edf bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents: 19199
diff changeset
   584
        yield self.close()
4cfdec944edf bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents: 19199
diff changeset
   585
19289
6ea1f858efd9 bundle: refactor changegroup prune to be its own function
Durham Goode <durham@fb.com>
parents: 19208
diff changeset
   586
    # filter any nodes that claim to be part of the known set
24896
9183cb6886ef changegroup: removed unused 'source' parameter from prune()
Martin von Zweigbergk <martinvonz@google.com>
parents: 24717
diff changeset
   587
    def prune(self, revlog, missing, commonrevs):
19289
6ea1f858efd9 bundle: refactor changegroup prune to be its own function
Durham Goode <durham@fb.com>
parents: 19208
diff changeset
   588
        rr, rl = revlog.rev, revlog.linkrev
6ea1f858efd9 bundle: refactor changegroup prune to be its own function
Durham Goode <durham@fb.com>
parents: 19208
diff changeset
   589
        return [n for n in missing if rl(rr(n)) not in commonrevs]
6ea1f858efd9 bundle: refactor changegroup prune to be its own function
Durham Goode <durham@fb.com>
parents: 19208
diff changeset
   590
28228
abf120262683 changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents: 28227
diff changeset
   591
    def _packmanifests(self, dir, mfnodes, lookuplinknode):
26711
0ef0aec56090 changegroup: move manifest packing into a separate function
Augie Fackler <augie@google.com>
parents: 26710
diff changeset
   592
        """Pack flat manifests into a changegroup stream."""
28228
abf120262683 changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents: 28227
diff changeset
   593
        assert not dir
30339
6cdfb7e15a35 changegroup: remove remaining uses of repo.manifest
Durham Goode <durham@fb.com>
parents: 30294
diff changeset
   594
        for chunk in self.group(mfnodes, self._repo.manifestlog._revlog,
28228
abf120262683 changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents: 28227
diff changeset
   595
                                lookuplinknode, units=_('manifests')):
26711
0ef0aec56090 changegroup: move manifest packing into a separate function
Augie Fackler <augie@google.com>
parents: 26710
diff changeset
   596
            yield chunk
28228
abf120262683 changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents: 28227
diff changeset
   597
abf120262683 changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents: 28227
diff changeset
   598
    def _manifestsdone(self):
abf120262683 changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents: 28227
diff changeset
   599
        return ''
26711
0ef0aec56090 changegroup: move manifest packing into a separate function
Augie Fackler <augie@google.com>
parents: 26710
diff changeset
   600
19204
e9c5b1c246dc bundle-ng: move bundle generation to changegroup.py
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 19202
diff changeset
   601
    def generate(self, commonrevs, clnodes, fastpathlinkrev, source):
19202
0455fc94ae00 bundle-ng: move gengroup into bundler, pass repo object to bundler
Sune Foldager <cryo@cyanite.org>
parents: 19201
diff changeset
   602
        '''yield a sequence of changegroup chunks (strings)'''
0455fc94ae00 bundle-ng: move gengroup into bundler, pass repo object to bundler
Sune Foldager <cryo@cyanite.org>
parents: 19201
diff changeset
   603
        repo = self._repo
24978
f52560c64953 changegroup: drop _changelog and _manifest properties
Martin von Zweigbergk <martinvonz@google.com>
parents: 24977
diff changeset
   604
        cl = repo.changelog
19204
e9c5b1c246dc bundle-ng: move bundle generation to changegroup.py
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 19202
diff changeset
   605
23381
cc0ff93d0c0c changegroup: fix file linkrevs during reorders (issue4462)
Durham Goode <durham@fb.com>
parents: 23226
diff changeset
   606
        clrevorder = {}
19204
e9c5b1c246dc bundle-ng: move bundle generation to changegroup.py
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 19202
diff changeset
   607
        mfs = {} # needed manifests
e9c5b1c246dc bundle-ng: move bundle generation to changegroup.py
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 19202
diff changeset
   608
        fnodes = {} # needed file nodes
28241
a4286175ecba changegroup: drop special-casing of flat manifests
Martin von Zweigbergk <martinvonz@google.com>
parents: 28240
diff changeset
   609
        changedfiles = set()
19204
e9c5b1c246dc bundle-ng: move bundle generation to changegroup.py
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 19202
diff changeset
   610
19207
a67e1380dfbd bundle-ng: simplify lookup and state handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 19206
diff changeset
   611
        # Callback for the changelog, used to collect changed files and manifest
a67e1380dfbd bundle-ng: simplify lookup and state handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 19206
diff changeset
   612
        # nodes.
a67e1380dfbd bundle-ng: simplify lookup and state handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 19206
diff changeset
   613
        # Returns the linkrev node (identity in the changelog case).
a67e1380dfbd bundle-ng: simplify lookup and state handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 19206
diff changeset
   614
        def lookupcl(x):
a67e1380dfbd bundle-ng: simplify lookup and state handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 19206
diff changeset
   615
            c = cl.read(x)
23381
cc0ff93d0c0c changegroup: fix file linkrevs during reorders (issue4462)
Durham Goode <durham@fb.com>
parents: 23226
diff changeset
   616
            clrevorder[x] = len(clrevorder)
27237
c08814b48ae5 changegroup: avoid iterating the whole manifest
Augie Fackler <augie@google.com>
parents: 27219
diff changeset
   617
            n = c[0]
19207
a67e1380dfbd bundle-ng: simplify lookup and state handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 19206
diff changeset
   618
            # record the first changeset introducing this manifest version
27237
c08814b48ae5 changegroup: avoid iterating the whole manifest
Augie Fackler <augie@google.com>
parents: 27219
diff changeset
   619
            mfs.setdefault(n, x)
c08814b48ae5 changegroup: avoid iterating the whole manifest
Augie Fackler <augie@google.com>
parents: 27219
diff changeset
   620
            # Record a complete list of potentially-changed files in
c08814b48ae5 changegroup: avoid iterating the whole manifest
Augie Fackler <augie@google.com>
parents: 27219
diff changeset
   621
            # this manifest.
28241
a4286175ecba changegroup: drop special-casing of flat manifests
Martin von Zweigbergk <martinvonz@google.com>
parents: 28240
diff changeset
   622
            changedfiles.update(c[3])
19207
a67e1380dfbd bundle-ng: simplify lookup and state handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 19206
diff changeset
   623
            return x
19204
e9c5b1c246dc bundle-ng: move bundle generation to changegroup.py
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 19202
diff changeset
   624
23748
4ab66de46a96 bundle: when verbose, show what takes up the space in the generated bundle
Mads Kiilerich <madski@unity3d.com>
parents: 23382
diff changeset
   625
        self._verbosenote(_('uncompressed size of bundle content:\n'))
4ab66de46a96 bundle: when verbose, show what takes up the space in the generated bundle
Mads Kiilerich <madski@unity3d.com>
parents: 23382
diff changeset
   626
        size = 0
24912
e285b98c65cc changegroup.group: drop 'reorder' parameter
Martin von Zweigbergk <martinvonz@google.com>
parents: 24911
diff changeset
   627
        for chunk in self.group(clnodes, cl, lookupcl, units=_('changesets')):
23748
4ab66de46a96 bundle: when verbose, show what takes up the space in the generated bundle
Mads Kiilerich <madski@unity3d.com>
parents: 23382
diff changeset
   628
            size += len(chunk)
23224
f4ab47ccefde changegroup: don't define lookupmf() until it is needed
Gregory Szorc <gregory.szorc@gmail.com>
parents: 22971
diff changeset
   629
            yield chunk
23748
4ab66de46a96 bundle: when verbose, show what takes up the space in the generated bundle
Mads Kiilerich <madski@unity3d.com>
parents: 23382
diff changeset
   630
        self._verbosenote(_('%8.i (changelog)\n') % size)
23224
f4ab47ccefde changegroup: don't define lookupmf() until it is needed
Gregory Szorc <gregory.szorc@gmail.com>
parents: 22971
diff changeset
   631
24977
4289383cb9d2 changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents: 24976
diff changeset
   632
        # We need to make sure that the linkrev in the changegroup refers to
4289383cb9d2 changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents: 24976
diff changeset
   633
        # the first changeset that introduced the manifest or file revision.
4289383cb9d2 changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents: 24976
diff changeset
   634
        # The fastpath is usually safer than the slowpath, because the filelogs
4289383cb9d2 changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents: 24976
diff changeset
   635
        # are walked in revlog order.
4289383cb9d2 changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents: 24976
diff changeset
   636
        #
4289383cb9d2 changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents: 24976
diff changeset
   637
        # When taking the slowpath with reorder=None and the manifest revlog
4289383cb9d2 changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents: 24976
diff changeset
   638
        # uses generaldelta, the manifest may be walked in the "wrong" order.
4289383cb9d2 changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents: 24976
diff changeset
   639
        # Without 'clrevorder', we would get an incorrect linkrev (see fix in
4289383cb9d2 changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents: 24976
diff changeset
   640
        # cc0ff93d0c0c).
4289383cb9d2 changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents: 24976
diff changeset
   641
        #
4289383cb9d2 changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents: 24976
diff changeset
   642
        # When taking the fastpath, we are only vulnerable to reordering
4289383cb9d2 changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents: 24976
diff changeset
   643
        # of the changelog itself. The changelog never uses generaldelta, so
4289383cb9d2 changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents: 24976
diff changeset
   644
        # it is only reordered when reorder=True. To handle this case, we
4289383cb9d2 changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents: 24976
diff changeset
   645
        # simply take the slowpath, which already has the 'clrevorder' logic.
4289383cb9d2 changegroup: document the cases where reordering complicates linkrevs
Martin von Zweigbergk <martinvonz@google.com>
parents: 24976
diff changeset
   646
        # This was also fixed in cc0ff93d0c0c.
24976
147d8892fc4b changegroup: extract condition for linkrev fastpath
Martin von Zweigbergk <martinvonz@google.com>
parents: 24912
diff changeset
   647
        fastpathlinkrev = fastpathlinkrev and not self._reorder
27432
77d25b913f80 changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents: 27241
diff changeset
   648
        # Treemanifests don't work correctly with fastpathlinkrev
77d25b913f80 changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents: 27241
diff changeset
   649
        # either, because we don't discover which directory nodes to
77d25b913f80 changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents: 27241
diff changeset
   650
        # send along with files. This could probably be fixed.
77d25b913f80 changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents: 27241
diff changeset
   651
        fastpathlinkrev = fastpathlinkrev and (
77d25b913f80 changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents: 27241
diff changeset
   652
            'treemanifest' not in repo.requirements)
28227
1c36cc8e7870 changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27953
diff changeset
   653
1c36cc8e7870 changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27953
diff changeset
   654
        for chunk in self.generatemanifests(commonrevs, clrevorder,
34149
75cc1f1e11f2 changegroup: add source parameter to generatemanifests
Durham Goode <durham@fb.com>
parents: 34148
diff changeset
   655
                fastpathlinkrev, mfs, fnodes, source):
28227
1c36cc8e7870 changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27953
diff changeset
   656
            yield chunk
1c36cc8e7870 changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27953
diff changeset
   657
        mfs.clear()
1c36cc8e7870 changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27953
diff changeset
   658
        clrevs = set(cl.rev(x) for x in clnodes)
1c36cc8e7870 changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27953
diff changeset
   659
1c36cc8e7870 changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27953
diff changeset
   660
        if not fastpathlinkrev:
1c36cc8e7870 changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27953
diff changeset
   661
            def linknodes(unused, fname):
1c36cc8e7870 changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27953
diff changeset
   662
                return fnodes.get(fname, {})
1c36cc8e7870 changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27953
diff changeset
   663
        else:
1c36cc8e7870 changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27953
diff changeset
   664
            cln = cl.node
1c36cc8e7870 changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27953
diff changeset
   665
            def linknodes(filerevlog, fname):
1c36cc8e7870 changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27953
diff changeset
   666
                llr = filerevlog.linkrev
1c36cc8e7870 changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27953
diff changeset
   667
                fln = filerevlog.node
1c36cc8e7870 changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27953
diff changeset
   668
                revs = ((r, llr(r)) for r in filerevlog)
1c36cc8e7870 changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27953
diff changeset
   669
                return dict((fln(r), cln(lr)) for r, lr in revs if lr in clrevs)
1c36cc8e7870 changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27953
diff changeset
   670
1c36cc8e7870 changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27953
diff changeset
   671
        for chunk in self.generatefiles(changedfiles, linknodes, commonrevs,
1c36cc8e7870 changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27953
diff changeset
   672
                                        source):
1c36cc8e7870 changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27953
diff changeset
   673
            yield chunk
1c36cc8e7870 changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27953
diff changeset
   674
1c36cc8e7870 changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27953
diff changeset
   675
        yield self.close()
1c36cc8e7870 changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27953
diff changeset
   676
1c36cc8e7870 changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27953
diff changeset
   677
        if clnodes:
1c36cc8e7870 changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27953
diff changeset
   678
            repo.hook('outgoing', node=hex(clnodes[0]), source=source)
1c36cc8e7870 changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27953
diff changeset
   679
1c36cc8e7870 changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27953
diff changeset
   680
    def generatemanifests(self, commonrevs, clrevorder, fastpathlinkrev, mfs,
34149
75cc1f1e11f2 changegroup: add source parameter to generatemanifests
Durham Goode <durham@fb.com>
parents: 34148
diff changeset
   681
                          fnodes, source):
75cc1f1e11f2 changegroup: add source parameter to generatemanifests
Durham Goode <durham@fb.com>
parents: 34148
diff changeset
   682
        """Returns an iterator of changegroup chunks containing manifests.
75cc1f1e11f2 changegroup: add source parameter to generatemanifests
Durham Goode <durham@fb.com>
parents: 34148
diff changeset
   683
75cc1f1e11f2 changegroup: add source parameter to generatemanifests
Durham Goode <durham@fb.com>
parents: 34148
diff changeset
   684
        `source` is unused here, but is used by extensions like remotefilelog to
75cc1f1e11f2 changegroup: add source parameter to generatemanifests
Durham Goode <durham@fb.com>
parents: 34148
diff changeset
   685
        change what is sent based in pulls vs pushes, etc.
75cc1f1e11f2 changegroup: add source parameter to generatemanifests
Durham Goode <durham@fb.com>
parents: 34148
diff changeset
   686
        """
28227
1c36cc8e7870 changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27953
diff changeset
   687
        repo = self._repo
30294
bce79dfcf5e4 manifest: get rid of manifest.readshallowfast
Durham Goode <durham@fb.com>
parents: 30268
diff changeset
   688
        mfl = repo.manifestlog
bce79dfcf5e4 manifest: get rid of manifest.readshallowfast
Durham Goode <durham@fb.com>
parents: 30268
diff changeset
   689
        dirlog = mfl._revlog.dirlog
28232
829d369fc5a8 changegroup: write root manifests and subdir manifests in a single loop
Martin von Zweigbergk <martinvonz@google.com>
parents: 28231
diff changeset
   690
        tmfnodes = {'': mfs}
28227
1c36cc8e7870 changegroup: extract generatemanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27953
diff changeset
   691
19207
a67e1380dfbd bundle-ng: simplify lookup and state handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 19206
diff changeset
   692
        # Callback for the manifest, used to collect linkrevs for filelog
a67e1380dfbd bundle-ng: simplify lookup and state handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 19206
diff changeset
   693
        # revisions.
a67e1380dfbd bundle-ng: simplify lookup and state handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 19206
diff changeset
   694
        # Returns the linkrev node (collected in lookupcl).
28231
3faba927dd93 changegroup: introduce makelookupmflinknode(dir)
Martin von Zweigbergk <martinvonz@google.com>
parents: 28230
diff changeset
   695
        def makelookupmflinknode(dir):
3faba927dd93 changegroup: introduce makelookupmflinknode(dir)
Martin von Zweigbergk <martinvonz@google.com>
parents: 28230
diff changeset
   696
            if fastpathlinkrev:
3faba927dd93 changegroup: introduce makelookupmflinknode(dir)
Martin von Zweigbergk <martinvonz@google.com>
parents: 28230
diff changeset
   697
                assert not dir
3faba927dd93 changegroup: introduce makelookupmflinknode(dir)
Martin von Zweigbergk <martinvonz@google.com>
parents: 28230
diff changeset
   698
                return mfs.__getitem__
3faba927dd93 changegroup: introduce makelookupmflinknode(dir)
Martin von Zweigbergk <martinvonz@google.com>
parents: 28230
diff changeset
   699
27239
65c47779bcb5 changegroup: remove one special case from lookupmflinknode
Augie Fackler <augie@google.com>
parents: 27238
diff changeset
   700
            def lookupmflinknode(x):
65c47779bcb5 changegroup: remove one special case from lookupmflinknode
Augie Fackler <augie@google.com>
parents: 27238
diff changeset
   701
                """Callback for looking up the linknode for manifests.
27219
beb60a898dd0 changegroup: document manifest linkrev callback some more
Augie Fackler <augie@google.com>
parents: 27218
diff changeset
   702
27239
65c47779bcb5 changegroup: remove one special case from lookupmflinknode
Augie Fackler <augie@google.com>
parents: 27238
diff changeset
   703
                Returns the linkrev node for the specified manifest.
27219
beb60a898dd0 changegroup: document manifest linkrev callback some more
Augie Fackler <augie@google.com>
parents: 27218
diff changeset
   704
27239
65c47779bcb5 changegroup: remove one special case from lookupmflinknode
Augie Fackler <augie@google.com>
parents: 27238
diff changeset
   705
                SIDE EFFECT:
65c47779bcb5 changegroup: remove one special case from lookupmflinknode
Augie Fackler <augie@google.com>
parents: 27238
diff changeset
   706
27432
77d25b913f80 changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents: 27241
diff changeset
   707
                1) fclnodes gets populated with the list of relevant
77d25b913f80 changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents: 27241
diff changeset
   708
                   file nodes if we're not using fastpathlinkrev
77d25b913f80 changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents: 27241
diff changeset
   709
                2) When treemanifests are in use, collects treemanifest nodes
77d25b913f80 changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents: 27241
diff changeset
   710
                   to send
27219
beb60a898dd0 changegroup: document manifest linkrev callback some more
Augie Fackler <augie@google.com>
parents: 27218
diff changeset
   711
27432
77d25b913f80 changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents: 27241
diff changeset
   712
                Note that this means manifests must be completely sent to
77d25b913f80 changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents: 27241
diff changeset
   713
                the client before you can trust the list of files and
77d25b913f80 changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents: 27241
diff changeset
   714
                treemanifests to send.
27239
65c47779bcb5 changegroup: remove one special case from lookupmflinknode
Augie Fackler <augie@google.com>
parents: 27238
diff changeset
   715
                """
28240
1ac8ce137377 changegroup: fix treemanifests on merges
Martin von Zweigbergk <martinvonz@google.com>
parents: 28232
diff changeset
   716
                clnode = tmfnodes[dir][x]
30294
bce79dfcf5e4 manifest: get rid of manifest.readshallowfast
Durham Goode <durham@fb.com>
parents: 30268
diff changeset
   717
                mdata = mfl.get(dir, x).readfast(shallow=True)
28241
a4286175ecba changegroup: drop special-casing of flat manifests
Martin von Zweigbergk <martinvonz@google.com>
parents: 28240
diff changeset
   718
                for p, n, fl in mdata.iterentries():
a4286175ecba changegroup: drop special-casing of flat manifests
Martin von Zweigbergk <martinvonz@google.com>
parents: 28240
diff changeset
   719
                    if fl == 't': # subdirectory manifest
a4286175ecba changegroup: drop special-casing of flat manifests
Martin von Zweigbergk <martinvonz@google.com>
parents: 28240
diff changeset
   720
                        subdir = dir + p + '/'
a4286175ecba changegroup: drop special-casing of flat manifests
Martin von Zweigbergk <martinvonz@google.com>
parents: 28240
diff changeset
   721
                        tmfclnodes = tmfnodes.setdefault(subdir, {})
a4286175ecba changegroup: drop special-casing of flat manifests
Martin von Zweigbergk <martinvonz@google.com>
parents: 28240
diff changeset
   722
                        tmfclnode = tmfclnodes.setdefault(n, clnode)
a4286175ecba changegroup: drop special-casing of flat manifests
Martin von Zweigbergk <martinvonz@google.com>
parents: 28240
diff changeset
   723
                        if clrevorder[clnode] < clrevorder[tmfclnode]:
a4286175ecba changegroup: drop special-casing of flat manifests
Martin von Zweigbergk <martinvonz@google.com>
parents: 28240
diff changeset
   724
                            tmfclnodes[n] = clnode
a4286175ecba changegroup: drop special-casing of flat manifests
Martin von Zweigbergk <martinvonz@google.com>
parents: 28240
diff changeset
   725
                    else:
a4286175ecba changegroup: drop special-casing of flat manifests
Martin von Zweigbergk <martinvonz@google.com>
parents: 28240
diff changeset
   726
                        f = dir + p
28240
1ac8ce137377 changegroup: fix treemanifests on merges
Martin von Zweigbergk <martinvonz@google.com>
parents: 28232
diff changeset
   727
                        fclnodes = fnodes.setdefault(f, {})
1ac8ce137377 changegroup: fix treemanifests on merges
Martin von Zweigbergk <martinvonz@google.com>
parents: 28232
diff changeset
   728
                        fclnode = fclnodes.setdefault(n, clnode)
1ac8ce137377 changegroup: fix treemanifests on merges
Martin von Zweigbergk <martinvonz@google.com>
parents: 28232
diff changeset
   729
                        if clrevorder[clnode] < clrevorder[fclnode]:
1ac8ce137377 changegroup: fix treemanifests on merges
Martin von Zweigbergk <martinvonz@google.com>
parents: 28232
diff changeset
   730
                            fclnodes[n] = clnode
27239
65c47779bcb5 changegroup: remove one special case from lookupmflinknode
Augie Fackler <augie@google.com>
parents: 27238
diff changeset
   731
                return clnode
28231
3faba927dd93 changegroup: introduce makelookupmflinknode(dir)
Martin von Zweigbergk <martinvonz@google.com>
parents: 28230
diff changeset
   732
            return lookupmflinknode
19206
6308896b1d4a bundle-ng: simplify bundle10.generate
Sune Foldager <cryo@cyanite.org>
parents: 19204
diff changeset
   733
28228
abf120262683 changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents: 28227
diff changeset
   734
        size = 0
28232
829d369fc5a8 changegroup: write root manifests and subdir manifests in a single loop
Martin von Zweigbergk <martinvonz@google.com>
parents: 28231
diff changeset
   735
        while tmfnodes:
829d369fc5a8 changegroup: write root manifests and subdir manifests in a single loop
Martin von Zweigbergk <martinvonz@google.com>
parents: 28231
diff changeset
   736
            dir = min(tmfnodes)
829d369fc5a8 changegroup: write root manifests and subdir manifests in a single loop
Martin von Zweigbergk <martinvonz@google.com>
parents: 28231
diff changeset
   737
            nodes = tmfnodes[dir]
28240
1ac8ce137377 changegroup: fix treemanifests on merges
Martin von Zweigbergk <martinvonz@google.com>
parents: 28232
diff changeset
   738
            prunednodes = self.prune(dirlog(dir), nodes, commonrevs)
29371
1b699c7eb2b7 changegroup: don't send empty subdirectory manifest groups
Martin von Zweigbergk <martinvonz@google.com>
parents: 29236
diff changeset
   739
            if not dir or prunednodes:
1b699c7eb2b7 changegroup: don't send empty subdirectory manifest groups
Martin von Zweigbergk <martinvonz@google.com>
parents: 29236
diff changeset
   740
                for x in self._packmanifests(dir, prunednodes,
1b699c7eb2b7 changegroup: don't send empty subdirectory manifest groups
Martin von Zweigbergk <martinvonz@google.com>
parents: 29236
diff changeset
   741
                                             makelookupmflinknode(dir)):
1b699c7eb2b7 changegroup: don't send empty subdirectory manifest groups
Martin von Zweigbergk <martinvonz@google.com>
parents: 29236
diff changeset
   742
                    size += len(x)
1b699c7eb2b7 changegroup: don't send empty subdirectory manifest groups
Martin von Zweigbergk <martinvonz@google.com>
parents: 29236
diff changeset
   743
                    yield x
28232
829d369fc5a8 changegroup: write root manifests and subdir manifests in a single loop
Martin von Zweigbergk <martinvonz@google.com>
parents: 28231
diff changeset
   744
            del tmfnodes[dir]
28229
8e13b2379407 changegroup: include subdirectory manifests in verbose size
Martin von Zweigbergk <martinvonz@google.com>
parents: 28228
diff changeset
   745
        self._verbosenote(_('%8.i (manifests)\n') % size)
28228
abf120262683 changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents: 28227
diff changeset
   746
        yield self._manifestsdone()
19206
6308896b1d4a bundle-ng: simplify bundle10.generate
Sune Foldager <cryo@cyanite.org>
parents: 19204
diff changeset
   747
24897
5c35a6040352 changegroup: document that 'source' parameter exists for extensions
Martin von Zweigbergk <martinvonz@google.com>
parents: 24896
diff changeset
   748
    # The 'source' parameter is useful for extensions
19334
95a49112e7ab bundle: move file chunk generation to it's own function
Durham Goode <durham@fb.com>
parents: 19325
diff changeset
   749
    def generatefiles(self, changedfiles, linknodes, commonrevs, source):
95a49112e7ab bundle: move file chunk generation to it's own function
Durham Goode <durham@fb.com>
parents: 19325
diff changeset
   750
        repo = self._repo
95a49112e7ab bundle: move file chunk generation to it's own function
Durham Goode <durham@fb.com>
parents: 19325
diff changeset
   751
        progress = self._progress
95a49112e7ab bundle: move file chunk generation to it's own function
Durham Goode <durham@fb.com>
parents: 19325
diff changeset
   752
        msgbundling = _('bundling')
95a49112e7ab bundle: move file chunk generation to it's own function
Durham Goode <durham@fb.com>
parents: 19325
diff changeset
   753
95a49112e7ab bundle: move file chunk generation to it's own function
Durham Goode <durham@fb.com>
parents: 19325
diff changeset
   754
        total = len(changedfiles)
95a49112e7ab bundle: move file chunk generation to it's own function
Durham Goode <durham@fb.com>
parents: 19325
diff changeset
   755
        # for progress output
95a49112e7ab bundle: move file chunk generation to it's own function
Durham Goode <durham@fb.com>
parents: 19325
diff changeset
   756
        msgfiles = _('files')
95a49112e7ab bundle: move file chunk generation to it's own function
Durham Goode <durham@fb.com>
parents: 19325
diff changeset
   757
        for i, fname in enumerate(sorted(changedfiles)):
95a49112e7ab bundle: move file chunk generation to it's own function
Durham Goode <durham@fb.com>
parents: 19325
diff changeset
   758
            filerevlog = repo.file(fname)
95a49112e7ab bundle: move file chunk generation to it's own function
Durham Goode <durham@fb.com>
parents: 19325
diff changeset
   759
            if not filerevlog:
26587
56b2bcea2529 error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 26540
diff changeset
   760
                raise error.Abort(_("empty or missing revlog for %s") % fname)
19334
95a49112e7ab bundle: move file chunk generation to it's own function
Durham Goode <durham@fb.com>
parents: 19325
diff changeset
   761
95a49112e7ab bundle: move file chunk generation to it's own function
Durham Goode <durham@fb.com>
parents: 19325
diff changeset
   762
            linkrevnodes = linknodes(filerevlog, fname)
19207
a67e1380dfbd bundle-ng: simplify lookup and state handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 19206
diff changeset
   763
            # Lookup for filenodes, we collected the linkrev nodes above in the
a67e1380dfbd bundle-ng: simplify lookup and state handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 19206
diff changeset
   764
            # fastpath case and with lookupmf in the slowpath case.
a67e1380dfbd bundle-ng: simplify lookup and state handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 19206
diff changeset
   765
            def lookupfilelog(x):
a67e1380dfbd bundle-ng: simplify lookup and state handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 19206
diff changeset
   766
                return linkrevnodes[x]
a67e1380dfbd bundle-ng: simplify lookup and state handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 19206
diff changeset
   767
24896
9183cb6886ef changegroup: removed unused 'source' parameter from prune()
Martin von Zweigbergk <martinvonz@google.com>
parents: 24717
diff changeset
   768
            filenodes = self.prune(filerevlog, linkrevnodes, commonrevs)
19206
6308896b1d4a bundle-ng: simplify bundle10.generate
Sune Foldager <cryo@cyanite.org>
parents: 19204
diff changeset
   769
            if filenodes:
19208
0b564cf359a7 bundle-ng: move progress handling out of the linkrev callback
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 19207
diff changeset
   770
                progress(msgbundling, i + 1, item=fname, unit=msgfiles,
0b564cf359a7 bundle-ng: move progress handling out of the linkrev callback
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 19207
diff changeset
   771
                         total=total)
23748
4ab66de46a96 bundle: when verbose, show what takes up the space in the generated bundle
Mads Kiilerich <madski@unity3d.com>
parents: 23382
diff changeset
   772
                h = self.fileheader(fname)
4ab66de46a96 bundle: when verbose, show what takes up the space in the generated bundle
Mads Kiilerich <madski@unity3d.com>
parents: 23382
diff changeset
   773
                size = len(h)
4ab66de46a96 bundle: when verbose, show what takes up the space in the generated bundle
Mads Kiilerich <madski@unity3d.com>
parents: 23382
diff changeset
   774
                yield h
24912
e285b98c65cc changegroup.group: drop 'reorder' parameter
Martin von Zweigbergk <martinvonz@google.com>
parents: 24911
diff changeset
   775
                for chunk in self.group(filenodes, filerevlog, lookupfilelog):
23748
4ab66de46a96 bundle: when verbose, show what takes up the space in the generated bundle
Mads Kiilerich <madski@unity3d.com>
parents: 23382
diff changeset
   776
                    size += len(chunk)
19202
0455fc94ae00 bundle-ng: move gengroup into bundler, pass repo object to bundler
Sune Foldager <cryo@cyanite.org>
parents: 19201
diff changeset
   777
                    yield chunk
23748
4ab66de46a96 bundle: when verbose, show what takes up the space in the generated bundle
Mads Kiilerich <madski@unity3d.com>
parents: 23382
diff changeset
   778
                self._verbosenote(_('%8.i  %s\n') % (size, fname))
24901
e9edd53770fb changegroup: close progress in same function as it's started
Martin von Zweigbergk <martinvonz@google.com>
parents: 24900
diff changeset
   779
        progress(msgbundling, None)
19200
4cfdec944edf bundle-ng: move group into the bundler
Sune Foldager <cryo@cyanite.org>
parents: 19199
diff changeset
   780
23181
832b7ef275c8 changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents: 23178
diff changeset
   781
    def deltaparent(self, revlog, rev, p1, p2, prev):
832b7ef275c8 changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents: 23178
diff changeset
   782
        return prev
832b7ef275c8 changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents: 23178
diff changeset
   783
19207
a67e1380dfbd bundle-ng: simplify lookup and state handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 19206
diff changeset
   784
    def revchunk(self, revlog, rev, prev, linknode):
14143
da635d3c5620 changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 14141
diff changeset
   785
        node = revlog.node(rev)
da635d3c5620 changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 14141
diff changeset
   786
        p1, p2 = revlog.parentrevs(rev)
23181
832b7ef275c8 changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents: 23178
diff changeset
   787
        base = self.deltaparent(revlog, rev, p1, p2, prev)
14143
da635d3c5620 changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 14141
diff changeset
   788
da635d3c5620 changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 14141
diff changeset
   789
        prefix = ''
24190
903c7e8c97ad changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents: 24180
diff changeset
   790
        if revlog.iscensored(base) or revlog.iscensored(rev):
903c7e8c97ad changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents: 24180
diff changeset
   791
            try:
30743
2df983125d37 revlog: add 'raw' argument to revision and _addrevision
Remi Chaintron <remi@fb.com>
parents: 30628
diff changeset
   792
                delta = revlog.revision(node, raw=True)
25660
328739ea70c3 global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25624
diff changeset
   793
            except error.CensoredNodeError as e:
24190
903c7e8c97ad changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents: 24180
diff changeset
   794
                delta = e.tombstone
903c7e8c97ad changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents: 24180
diff changeset
   795
            if base == nullrev:
903c7e8c97ad changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents: 24180
diff changeset
   796
                prefix = mdiff.trivialdiffheader(len(delta))
903c7e8c97ad changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents: 24180
diff changeset
   797
            else:
903c7e8c97ad changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents: 24180
diff changeset
   798
                baselen = revlog.rawsize(base)
903c7e8c97ad changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents: 24180
diff changeset
   799
                prefix = mdiff.replacediffheader(baselen, len(delta))
903c7e8c97ad changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents: 24180
diff changeset
   800
        elif base == nullrev:
30743
2df983125d37 revlog: add 'raw' argument to revision and _addrevision
Remi Chaintron <remi@fb.com>
parents: 30628
diff changeset
   801
            delta = revlog.revision(node, raw=True)
14143
da635d3c5620 changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 14141
diff changeset
   802
            prefix = mdiff.trivialdiffheader(len(delta))
da635d3c5620 changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 14141
diff changeset
   803
        else:
da635d3c5620 changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 14141
diff changeset
   804
            delta = revlog.revdiff(base, rev)
da635d3c5620 changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 14141
diff changeset
   805
        p1n, p2n = revlog.parents(node)
da635d3c5620 changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 14141
diff changeset
   806
        basenode = revlog.node(base)
27433
12f727a5b434 changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents: 27432
diff changeset
   807
        flags = revlog.flags(rev)
12f727a5b434 changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents: 27432
diff changeset
   808
        meta = self.builddeltaheader(node, p1n, p2n, basenode, linknode, flags)
14143
da635d3c5620 changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 14141
diff changeset
   809
        meta += prefix
da635d3c5620 changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 14141
diff changeset
   810
        l = len(meta) + len(delta)
13831
d69c9510d648 changegroup: introduce bundler objects
Matt Mackall <mpm@selenic.com>
parents: 13786
diff changeset
   811
        yield chunkheader(l)
d69c9510d648 changegroup: introduce bundler objects
Matt Mackall <mpm@selenic.com>
parents: 13786
diff changeset
   812
        yield meta
14143
da635d3c5620 changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 14141
diff changeset
   813
        yield delta
27433
12f727a5b434 changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents: 27432
diff changeset
   814
    def builddeltaheader(self, node, p1n, p2n, basenode, linknode, flags):
14143
da635d3c5620 changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 14141
diff changeset
   815
        # do nothing with basenode, it is implicitly the previous one in HG10
27433
12f727a5b434 changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents: 27432
diff changeset
   816
        # do nothing with flags, it is implicitly 0 for cg1 and cg2
14143
da635d3c5620 changegroup: new bundler API
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 14141
diff changeset
   817
        return struct.pack(self.deltaheader, node, p1n, p2n, linknode)
20925
5174c48ed8d8 localrepo: move the _changegroupsubset method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20675
diff changeset
   818
23181
832b7ef275c8 changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents: 23178
diff changeset
   819
class cg2packer(cg1packer):
23896
becfecaf9087 changegroup.writebundle: HG2Y support
Eric Sumner <ericsumner@fb.com>
parents: 23895
diff changeset
   820
    version = '02'
23181
832b7ef275c8 changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents: 23178
diff changeset
   821
    deltaheader = _CHANGEGROUPV2_DELTA_HEADER
832b7ef275c8 changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents: 23178
diff changeset
   822
32287
df3cf9422e1b changegroup: add bundlecaps back
Durham Goode <durham@fb.com>
parents: 32268
diff changeset
   823
    def __init__(self, repo, bundlecaps=None):
df3cf9422e1b changegroup: add bundlecaps back
Durham Goode <durham@fb.com>
parents: 32268
diff changeset
   824
        super(cg2packer, self).__init__(repo, bundlecaps)
24911
5447b8523fef cg2packer: set reorder=False in __init__ instead of in group()
Martin von Zweigbergk <martinvonz@google.com>
parents: 24910
diff changeset
   825
        if self._reorder is None:
5447b8523fef cg2packer: set reorder=False in __init__ instead of in group()
Martin von Zweigbergk <martinvonz@google.com>
parents: 24910
diff changeset
   826
            # Since generaldelta is directly supported by cg2, reordering
5447b8523fef cg2packer: set reorder=False in __init__ instead of in group()
Martin von Zweigbergk <martinvonz@google.com>
parents: 24910
diff changeset
   827
            # generally doesn't help, so we disable it by default (treating
5447b8523fef cg2packer: set reorder=False in __init__ instead of in group()
Martin von Zweigbergk <martinvonz@google.com>
parents: 24910
diff changeset
   828
            # bundle.reorder=auto just like bundle.reorder=False).
5447b8523fef cg2packer: set reorder=False in __init__ instead of in group()
Martin von Zweigbergk <martinvonz@google.com>
parents: 24910
diff changeset
   829
            self._reorder = False
23181
832b7ef275c8 changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents: 23178
diff changeset
   830
832b7ef275c8 changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents: 23178
diff changeset
   831
    def deltaparent(self, revlog, rev, p1, p2, prev):
832b7ef275c8 changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents: 23178
diff changeset
   832
        dp = revlog.deltaparent(rev)
30211
6b0741d6d234 changegroup: skip delta when the underlying revlog do not use them
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30153
diff changeset
   833
        if dp == nullrev and revlog.storedeltachains:
6b0741d6d234 changegroup: skip delta when the underlying revlog do not use them
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30153
diff changeset
   834
            # Avoid sending full revisions when delta parent is null. Pick prev
6b0741d6d234 changegroup: skip delta when the underlying revlog do not use them
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30153
diff changeset
   835
            # in that case. It's tempting to pick p1 in this case, as p1 will
6b0741d6d234 changegroup: skip delta when the underlying revlog do not use them
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30153
diff changeset
   836
            # be smaller in the common case. However, computing a delta against
6b0741d6d234 changegroup: skip delta when the underlying revlog do not use them
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30153
diff changeset
   837
            # p1 may require resolving the raw text of p1, which could be
6b0741d6d234 changegroup: skip delta when the underlying revlog do not use them
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30153
diff changeset
   838
            # expensive. The revlog caches should have prev cached, meaning
6b0741d6d234 changegroup: skip delta when the underlying revlog do not use them
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30153
diff changeset
   839
            # less CPU for changegroup generation. There is likely room to add
6b0741d6d234 changegroup: skip delta when the underlying revlog do not use them
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30153
diff changeset
   840
            # a flag and/or config option to control this behavior.
23181
832b7ef275c8 changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents: 23178
diff changeset
   841
            return prev
30211
6b0741d6d234 changegroup: skip delta when the underlying revlog do not use them
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30153
diff changeset
   842
        elif dp == nullrev:
6b0741d6d234 changegroup: skip delta when the underlying revlog do not use them
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30153
diff changeset
   843
            # revlog is configured to use full snapshot for a reason,
6b0741d6d234 changegroup: skip delta when the underlying revlog do not use them
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30153
diff changeset
   844
            # stick to full snapshot.
6b0741d6d234 changegroup: skip delta when the underlying revlog do not use them
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30153
diff changeset
   845
            return nullrev
6b0741d6d234 changegroup: skip delta when the underlying revlog do not use them
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30153
diff changeset
   846
        elif dp not in (p1, p2, prev):
6b0741d6d234 changegroup: skip delta when the underlying revlog do not use them
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30153
diff changeset
   847
            # Pick prev when we can't be sure remote has the base revision.
6b0741d6d234 changegroup: skip delta when the underlying revlog do not use them
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30153
diff changeset
   848
            return prev
6b0741d6d234 changegroup: skip delta when the underlying revlog do not use them
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30153
diff changeset
   849
        else:
6b0741d6d234 changegroup: skip delta when the underlying revlog do not use them
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30153
diff changeset
   850
            return dp
23181
832b7ef275c8 changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents: 23178
diff changeset
   851
27433
12f727a5b434 changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents: 27432
diff changeset
   852
    def builddeltaheader(self, node, p1n, p2n, basenode, linknode, flags):
12f727a5b434 changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents: 27432
diff changeset
   853
        # Do nothing with flags, it is implicitly 0 in cg1 and cg2
23181
832b7ef275c8 changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents: 23178
diff changeset
   854
        return struct.pack(self.deltaheader, node, p1n, p2n, basenode, linknode)
832b7ef275c8 changegroup: introduce cg2packer/unpacker
Sune Foldager <cryo@cyanite.org>
parents: 23178
diff changeset
   855
27432
77d25b913f80 changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents: 27241
diff changeset
   856
class cg3packer(cg2packer):
77d25b913f80 changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents: 27241
diff changeset
   857
    version = '03'
27433
12f727a5b434 changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents: 27432
diff changeset
   858
    deltaheader = _CHANGEGROUPV3_DELTA_HEADER
27432
77d25b913f80 changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents: 27241
diff changeset
   859
28228
abf120262683 changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents: 28227
diff changeset
   860
    def _packmanifests(self, dir, mfnodes, lookuplinknode):
abf120262683 changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents: 28227
diff changeset
   861
        if dir:
abf120262683 changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents: 28227
diff changeset
   862
            yield self.fileheader(dir)
30339
6cdfb7e15a35 changegroup: remove remaining uses of repo.manifest
Durham Goode <durham@fb.com>
parents: 30294
diff changeset
   863
6cdfb7e15a35 changegroup: remove remaining uses of repo.manifest
Durham Goode <durham@fb.com>
parents: 30294
diff changeset
   864
        dirlog = self._repo.manifestlog._revlog.dirlog(dir)
6cdfb7e15a35 changegroup: remove remaining uses of repo.manifest
Durham Goode <durham@fb.com>
parents: 30294
diff changeset
   865
        for chunk in self.group(mfnodes, dirlog, lookuplinknode,
6cdfb7e15a35 changegroup: remove remaining uses of repo.manifest
Durham Goode <durham@fb.com>
parents: 30294
diff changeset
   866
                                units=_('manifests')):
28228
abf120262683 changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents: 28227
diff changeset
   867
            yield chunk
abf120262683 changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents: 28227
diff changeset
   868
abf120262683 changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents: 28227
diff changeset
   869
    def _manifestsdone(self):
abf120262683 changegroup: make _packmanifests() dumber
Martin von Zweigbergk <martinvonz@google.com>
parents: 28227
diff changeset
   870
        return self.close()
27432
77d25b913f80 changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents: 27241
diff changeset
   871
27433
12f727a5b434 changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents: 27432
diff changeset
   872
    def builddeltaheader(self, node, p1n, p2n, basenode, linknode, flags):
12f727a5b434 changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents: 27432
diff changeset
   873
        return struct.pack(
12f727a5b434 changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents: 27432
diff changeset
   874
            self.deltaheader, node, p1n, p2n, basenode, linknode, flags)
27432
77d25b913f80 changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents: 27241
diff changeset
   875
27751
a40e2f7fe49d changegroup: hide packermap behind methods
Martin von Zweigbergk <martinvonz@google.com>
parents: 27739
diff changeset
   876
_packermap = {'01': (cg1packer, cg1unpacker),
26709
42733e956887 changegroup: reformat packermap and add comment
Augie Fackler <augie@google.com>
parents: 26708
diff changeset
   877
             # cg2 adds support for exchanging generaldelta
42733e956887 changegroup: reformat packermap and add comment
Augie Fackler <augie@google.com>
parents: 26708
diff changeset
   878
             '02': (cg2packer, cg2unpacker),
27753
d4071cc73f46 changegroup3: add empty chunk separating directories and files
Martin von Zweigbergk <martinvonz@google.com>
parents: 27752
diff changeset
   879
             # cg3 adds support for exchanging revlog flags and treemanifests
27432
77d25b913f80 changegroup: introduce cg3, which has support for exchanging treemanifests
Augie Fackler <augie@google.com>
parents: 27241
diff changeset
   880
             '03': (cg3packer, cg3unpacker),
26709
42733e956887 changegroup: reformat packermap and add comment
Augie Fackler <augie@google.com>
parents: 26708
diff changeset
   881
}
23168
a92ba36a1a9d changegroup: add a "packermap" dictionary to track different packer versions
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 22971
diff changeset
   882
30627
7ace5304fec5 changegroup: pass 'repo' to allsupportedversions
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30626
diff changeset
   883
def allsupportedversions(repo):
27928
c0f11347b107 changegroup: don't support versions 01 and 02 with treemanifests
Martin von Zweigbergk <martinvonz@google.com>
parents: 27920
diff changeset
   884
    versions = set(_packermap.keys())
30627
7ace5304fec5 changegroup: pass 'repo' to allsupportedversions
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30626
diff changeset
   885
    if not (repo.ui.configbool('experimental', 'changegroup3') or
30628
a001cd7296a5 changegroup: simplify logic around enabling changegroup 03
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30627
diff changeset
   886
            repo.ui.configbool('experimental', 'treemanifest') or
a001cd7296a5 changegroup: simplify logic around enabling changegroup 03
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30627
diff changeset
   887
            'treemanifest' in repo.requirements):
30626
438532c99b54 changegroup: simplify 'allsupportedversions' logic
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30589
diff changeset
   888
        versions.discard('03')
27953
88609cfa3745 changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents: 27946
diff changeset
   889
    return versions
88609cfa3745 changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents: 27946
diff changeset
   890
88609cfa3745 changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents: 27946
diff changeset
   891
# Changegroup versions that can be applied to the repo
88609cfa3745 changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents: 27946
diff changeset
   892
def supportedincomingversions(repo):
30628
a001cd7296a5 changegroup: simplify logic around enabling changegroup 03
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30627
diff changeset
   893
    return allsupportedversions(repo)
27953
88609cfa3745 changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents: 27946
diff changeset
   894
88609cfa3745 changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents: 27946
diff changeset
   895
# Changegroup versions that can be created from the repo
88609cfa3745 changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents: 27946
diff changeset
   896
def supportedoutgoingversions(repo):
30627
7ace5304fec5 changegroup: pass 'repo' to allsupportedversions
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30626
diff changeset
   897
    versions = allsupportedversions(repo)
27953
88609cfa3745 changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents: 27946
diff changeset
   898
    if 'treemanifest' in repo.requirements:
27928
c0f11347b107 changegroup: don't support versions 01 and 02 with treemanifests
Martin von Zweigbergk <martinvonz@google.com>
parents: 27920
diff changeset
   899
        # Versions 01 and 02 support only flat manifests and it's just too
c0f11347b107 changegroup: don't support versions 01 and 02 with treemanifests
Martin von Zweigbergk <martinvonz@google.com>
parents: 27920
diff changeset
   900
        # expensive to convert between the flat manifest and tree manifest on
c0f11347b107 changegroup: don't support versions 01 and 02 with treemanifests
Martin von Zweigbergk <martinvonz@google.com>
parents: 27920
diff changeset
   901
        # the fly. Since tree manifests are hashed differently, all of history
c0f11347b107 changegroup: don't support versions 01 and 02 with treemanifests
Martin von Zweigbergk <martinvonz@google.com>
parents: 27920
diff changeset
   902
        # would have to be converted. Instead, we simply don't even pretend to
c0f11347b107 changegroup: don't support versions 01 and 02 with treemanifests
Martin von Zweigbergk <martinvonz@google.com>
parents: 27920
diff changeset
   903
        # support versions 01 and 02.
c0f11347b107 changegroup: don't support versions 01 and 02 with treemanifests
Martin von Zweigbergk <martinvonz@google.com>
parents: 27920
diff changeset
   904
        versions.discard('01')
c0f11347b107 changegroup: don't support versions 01 and 02 with treemanifests
Martin von Zweigbergk <martinvonz@google.com>
parents: 27920
diff changeset
   905
        versions.discard('02')
27752
29cfc474c5fd changegroup3: introduce experimental.changegroup3 boolean config
Martin von Zweigbergk <martinvonz@google.com>
parents: 27751
diff changeset
   906
    return versions
27751
a40e2f7fe49d changegroup: hide packermap behind methods
Martin von Zweigbergk <martinvonz@google.com>
parents: 27739
diff changeset
   907
34144
91f0677dc920 repair: preserve phase also when not using generaldelta (issue5678)
Martin von Zweigbergk <martinvonz@google.com>
parents: 33461
diff changeset
   908
def localversion(repo):
91f0677dc920 repair: preserve phase also when not using generaldelta (issue5678)
Martin von Zweigbergk <martinvonz@google.com>
parents: 33461
diff changeset
   909
    # Finds the best version to use for bundles that are meant to be used
91f0677dc920 repair: preserve phase also when not using generaldelta (issue5678)
Martin von Zweigbergk <martinvonz@google.com>
parents: 33461
diff changeset
   910
    # locally, such as those from strip and shelve, and temporary bundles.
91f0677dc920 repair: preserve phase also when not using generaldelta (issue5678)
Martin von Zweigbergk <martinvonz@google.com>
parents: 33461
diff changeset
   911
    return max(supportedoutgoingversions(repo))
91f0677dc920 repair: preserve phase also when not using generaldelta (issue5678)
Martin von Zweigbergk <martinvonz@google.com>
parents: 33461
diff changeset
   912
27929
3b2ac2115464 changegroup: introduce safeversion()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27928
diff changeset
   913
def safeversion(repo):
3b2ac2115464 changegroup: introduce safeversion()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27928
diff changeset
   914
    # Finds the smallest version that it's safe to assume clients of the repo
27931
1289a122cf3f shelve: use cg3 for treemanifests
Martin von Zweigbergk <martinvonz@google.com>
parents: 27929
diff changeset
   915
    # will support. For example, all hg versions that support generaldelta also
1289a122cf3f shelve: use cg3 for treemanifests
Martin von Zweigbergk <martinvonz@google.com>
parents: 27929
diff changeset
   916
    # support changegroup 02.
27953
88609cfa3745 changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents: 27946
diff changeset
   917
    versions = supportedoutgoingversions(repo)
27929
3b2ac2115464 changegroup: introduce safeversion()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27928
diff changeset
   918
    if 'generaldelta' in repo.requirements:
3b2ac2115464 changegroup: introduce safeversion()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27928
diff changeset
   919
        versions.discard('01')
3b2ac2115464 changegroup: introduce safeversion()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27928
diff changeset
   920
    assert versions
3b2ac2115464 changegroup: introduce safeversion()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27928
diff changeset
   921
    return min(versions)
3b2ac2115464 changegroup: introduce safeversion()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27928
diff changeset
   922
32287
df3cf9422e1b changegroup: add bundlecaps back
Durham Goode <durham@fb.com>
parents: 32268
diff changeset
   923
def getbundler(version, repo, bundlecaps=None):
27953
88609cfa3745 changegroup: fix pulling to treemanifest repo from flat repo (issue5066)
Martin von Zweigbergk <martinvonz@google.com>
parents: 27946
diff changeset
   924
    assert version in supportedoutgoingversions(repo)
32287
df3cf9422e1b changegroup: add bundlecaps back
Durham Goode <durham@fb.com>
parents: 32268
diff changeset
   925
    return _packermap[version][0](repo, bundlecaps)
27751
a40e2f7fe49d changegroup: hide packermap behind methods
Martin von Zweigbergk <martinvonz@google.com>
parents: 27739
diff changeset
   926
29593
953839de96ab bundle2: store changeset count when creating file bundles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 29371
diff changeset
   927
def getunbundler(version, fh, alg, extras=None):
953839de96ab bundle2: store changeset count when creating file bundles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 29371
diff changeset
   928
    return _packermap[version][1](fh, alg, extras=extras)
27751
a40e2f7fe49d changegroup: hide packermap behind methods
Martin von Zweigbergk <martinvonz@google.com>
parents: 27739
diff changeset
   929
20926
7c1ed40e3325 localrepo: move the changegroupinfo method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20925
diff changeset
   930
def _changegroupinfo(repo, nodes, source):
7c1ed40e3325 localrepo: move the changegroupinfo method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20925
diff changeset
   931
    if repo.ui.verbose or source == 'bundle':
7c1ed40e3325 localrepo: move the changegroupinfo method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20925
diff changeset
   932
        repo.ui.status(_("%d changesets found\n") % len(nodes))
7c1ed40e3325 localrepo: move the changegroupinfo method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20925
diff changeset
   933
    if repo.ui.debugflag:
7c1ed40e3325 localrepo: move the changegroupinfo method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20925
diff changeset
   934
        repo.ui.debug("list of changesets:\n")
7c1ed40e3325 localrepo: move the changegroupinfo method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20925
diff changeset
   935
        for node in nodes:
7c1ed40e3325 localrepo: move the changegroupinfo method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20925
diff changeset
   936
            repo.ui.debug("%s\n" % hex(node))
7c1ed40e3325 localrepo: move the changegroupinfo method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20925
diff changeset
   937
34096
f85dfde1731a changegroup: replace getsubset with makechangegroup
Durham Goode <durham@fb.com>
parents: 34091
diff changeset
   938
def makechangegroup(repo, outgoing, version, source, fastpath=False,
f85dfde1731a changegroup: replace getsubset with makechangegroup
Durham Goode <durham@fb.com>
parents: 34091
diff changeset
   939
                    bundlecaps=None):
f85dfde1731a changegroup: replace getsubset with makechangegroup
Durham Goode <durham@fb.com>
parents: 34091
diff changeset
   940
    cgstream = makestream(repo, outgoing, version, source,
f85dfde1731a changegroup: replace getsubset with makechangegroup
Durham Goode <durham@fb.com>
parents: 34091
diff changeset
   941
                          fastpath=fastpath, bundlecaps=bundlecaps)
f85dfde1731a changegroup: replace getsubset with makechangegroup
Durham Goode <durham@fb.com>
parents: 34091
diff changeset
   942
    return getunbundler(version, util.chunkbuffer(cgstream), None,
f85dfde1731a changegroup: replace getsubset with makechangegroup
Durham Goode <durham@fb.com>
parents: 34091
diff changeset
   943
                        {'clcount': len(outgoing.missing) })
f85dfde1731a changegroup: replace getsubset with makechangegroup
Durham Goode <durham@fb.com>
parents: 34091
diff changeset
   944
34103
92f1e2be8ab6 changegroup: rename getsubsetraw to makestream
Durham Goode <durham@fb.com>
parents: 34101
diff changeset
   945
def makestream(repo, outgoing, version, source, fastpath=False,
92f1e2be8ab6 changegroup: rename getsubsetraw to makestream
Durham Goode <durham@fb.com>
parents: 34101
diff changeset
   946
               bundlecaps=None):
92f1e2be8ab6 changegroup: rename getsubsetraw to makestream
Durham Goode <durham@fb.com>
parents: 34101
diff changeset
   947
    bundler = getbundler(version, repo, bundlecaps=bundlecaps)
92f1e2be8ab6 changegroup: rename getsubsetraw to makestream
Durham Goode <durham@fb.com>
parents: 34101
diff changeset
   948
20925
5174c48ed8d8 localrepo: move the _changegroupsubset method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20675
diff changeset
   949
    repo = repo.unfiltered()
5174c48ed8d8 localrepo: move the _changegroupsubset method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20675
diff changeset
   950
    commonrevs = outgoing.common
5174c48ed8d8 localrepo: move the _changegroupsubset method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20675
diff changeset
   951
    csets = outgoing.missing
5174c48ed8d8 localrepo: move the _changegroupsubset method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20675
diff changeset
   952
    heads = outgoing.missingheads
5174c48ed8d8 localrepo: move the _changegroupsubset method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20675
diff changeset
   953
    # We go through the fast path if we get told to, or if all (unfiltered
5174c48ed8d8 localrepo: move the _changegroupsubset method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20675
diff changeset
   954
    # heads have been requested (since we then know there all linkrevs will
5174c48ed8d8 localrepo: move the _changegroupsubset method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20675
diff changeset
   955
    # be pulled by the client).
5174c48ed8d8 localrepo: move the _changegroupsubset method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20675
diff changeset
   956
    heads.sort()
5174c48ed8d8 localrepo: move the _changegroupsubset method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20675
diff changeset
   957
    fastpathlinkrev = fastpath or (
5174c48ed8d8 localrepo: move the _changegroupsubset method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20675
diff changeset
   958
            repo.filtername is None and heads == sorted(repo.heads()))
5174c48ed8d8 localrepo: move the _changegroupsubset method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20675
diff changeset
   959
5174c48ed8d8 localrepo: move the _changegroupsubset method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20675
diff changeset
   960
    repo.hook('preoutgoing', throw=True, source=source)
20926
7c1ed40e3325 localrepo: move the changegroupinfo method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20925
diff changeset
   961
    _changegroupinfo(repo, csets, source)
23177
706547a14b8b changegroup: introduce "raw" versions of some commands
Sune Foldager <cryo@cyanite.org>
parents: 23168
diff changeset
   962
    return bundler.generate(commonrevs, csets, fastpathlinkrev, source)
706547a14b8b changegroup: introduce "raw" versions of some commands
Sune Foldager <cryo@cyanite.org>
parents: 23168
diff changeset
   963
28361
277a22cd8741 changegroup: progress for added files is not measured in "chunks"
Martin von Zweigbergk <martinvonz@google.com>
parents: 28360
diff changeset
   964
def _addchangegroupfiles(repo, source, revmap, trp, expectedfiles, needfiles):
20932
0ac83e4e4f7c localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20931
diff changeset
   965
    revisions = 0
0ac83e4e4f7c localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20931
diff changeset
   966
    files = 0
29724
4e7be6e33269 changegroup: use `iter(callable, sentinel)` instead of while True
Augie Fackler <augie@google.com>
parents: 29690
diff changeset
   967
    for chunkdata in iter(source.filelogheader, {}):
28361
277a22cd8741 changegroup: progress for added files is not measured in "chunks"
Martin von Zweigbergk <martinvonz@google.com>
parents: 28360
diff changeset
   968
        files += 1
20932
0ac83e4e4f7c localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20931
diff changeset
   969
        f = chunkdata["filename"]
0ac83e4e4f7c localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20931
diff changeset
   970
        repo.ui.debug("adding %s revisions\n" % f)
28361
277a22cd8741 changegroup: progress for added files is not measured in "chunks"
Martin von Zweigbergk <martinvonz@google.com>
parents: 28360
diff changeset
   971
        repo.ui.progress(_('files'), files, unit=_('files'),
277a22cd8741 changegroup: progress for added files is not measured in "chunks"
Martin von Zweigbergk <martinvonz@google.com>
parents: 28360
diff changeset
   972
                         total=expectedfiles)
27754
a09f143daaf4 changegroup3: move treemanifest support into _unpackmanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27753
diff changeset
   973
        fl = repo.file(f)
20932
0ac83e4e4f7c localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20931
diff changeset
   974
        o = len(fl)
24120
a450e0a2ba0a revlog: in addgroup, reject ill-formed deltas based on censored nodes
Mike Edgar <adgar@google.com>
parents: 23897
diff changeset
   975
        try:
34291
1db9abf407c5 revlog: add revmap back to revlog.addgroup
Durham Goode <durham@fb.com>
parents: 34257
diff changeset
   976
            deltas = source.deltaiter()
1db9abf407c5 revlog: add revmap back to revlog.addgroup
Durham Goode <durham@fb.com>
parents: 34257
diff changeset
   977
            if not fl.addgroup(deltas, revmap, trp):
26587
56b2bcea2529 error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 26540
diff changeset
   978
                raise error.Abort(_("received file revlog group is empty"))
25660
328739ea70c3 global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25624
diff changeset
   979
        except error.CensoredBaseError as e:
26587
56b2bcea2529 error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 26540
diff changeset
   980
            raise error.Abort(_("received delta base is censored: %s") % e)
27754
a09f143daaf4 changegroup3: move treemanifest support into _unpackmanifests()
Martin von Zweigbergk <martinvonz@google.com>
parents: 27753
diff changeset
   981
        revisions += len(fl) - o
20932
0ac83e4e4f7c localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20931
diff changeset
   982
        if f in needfiles:
0ac83e4e4f7c localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20931
diff changeset
   983
            needs = needfiles[f]
0ac83e4e4f7c localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20931
diff changeset
   984
            for new in xrange(o, len(fl)):
0ac83e4e4f7c localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20931
diff changeset
   985
                n = fl.node(new)
0ac83e4e4f7c localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20931
diff changeset
   986
                if n in needs:
0ac83e4e4f7c localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20931
diff changeset
   987
                    needs.remove(n)
0ac83e4e4f7c localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20931
diff changeset
   988
                else:
26587
56b2bcea2529 error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 26540
diff changeset
   989
                    raise error.Abort(
20932
0ac83e4e4f7c localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20931
diff changeset
   990
                        _("received spurious file revlog entry"))
0ac83e4e4f7c localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20931
diff changeset
   991
            if not needs:
0ac83e4e4f7c localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20931
diff changeset
   992
                del needfiles[f]
0ac83e4e4f7c localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20931
diff changeset
   993
    repo.ui.progress(_('files'), None)
0ac83e4e4f7c localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20931
diff changeset
   994
0ac83e4e4f7c localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20931
diff changeset
   995
    for f, needs in needfiles.iteritems():
0ac83e4e4f7c localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20931
diff changeset
   996
        fl = repo.file(f)
0ac83e4e4f7c localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20931
diff changeset
   997
        for n in needs:
0ac83e4e4f7c localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20931
diff changeset
   998
            try:
0ac83e4e4f7c localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20931
diff changeset
   999
                fl.rev(n)
0ac83e4e4f7c localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20931
diff changeset
  1000
            except error.LookupError:
26587
56b2bcea2529 error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 26540
diff changeset
  1001
                raise error.Abort(
20932
0ac83e4e4f7c localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20931
diff changeset
  1002
                    _('missing file data for %s:%s - run hg verify') %
0ac83e4e4f7c localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20931
diff changeset
  1003
                    (f, hex(n)))
0ac83e4e4f7c localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20931
diff changeset
  1004
0ac83e4e4f7c localrepo: move the addchangegroupfiles method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20931
diff changeset
  1005
    return revisions, files