|
|
# narrowbundle2.py - bundle2 extensions for narrow repository support
|
|
|
#
|
|
|
# Copyright 2017 Google, Inc.
|
|
|
#
|
|
|
# This software may be used and distributed according to the terms of the
|
|
|
# GNU General Public License version 2 or any later version.
|
|
|
|
|
|
from __future__ import absolute_import
|
|
|
|
|
|
import collections
|
|
|
import errno
|
|
|
import struct
|
|
|
|
|
|
from mercurial.i18n import _
|
|
|
from mercurial.node import (
|
|
|
bin,
|
|
|
nullid,
|
|
|
nullrev,
|
|
|
)
|
|
|
from mercurial import (
|
|
|
bundle2,
|
|
|
changegroup,
|
|
|
dagutil,
|
|
|
error,
|
|
|
exchange,
|
|
|
extensions,
|
|
|
narrowspec,
|
|
|
repair,
|
|
|
util,
|
|
|
wireproto,
|
|
|
)
|
|
|
|
|
|
from . import (
|
|
|
narrowrepo,
|
|
|
)
|
|
|
|
|
|
NARROWCAP = 'narrow'
|
|
|
_NARROWACL_SECTION = 'narrowhgacl'
|
|
|
_CHANGESPECPART = NARROWCAP + ':changespec'
|
|
|
_SPECPART = NARROWCAP + ':spec'
|
|
|
_SPECPART_INCLUDE = 'include'
|
|
|
_SPECPART_EXCLUDE = 'exclude'
|
|
|
_KILLNODESIGNAL = 'KILL'
|
|
|
_DONESIGNAL = 'DONE'
|
|
|
_ELIDEDCSHEADER = '>20s20s20sl' # cset id, p1, p2, len(text)
|
|
|
_ELIDEDMFHEADER = '>20s20s20s20sl' # manifest id, p1, p2, link id, len(text)
|
|
|
_CSHEADERSIZE = struct.calcsize(_ELIDEDCSHEADER)
|
|
|
_MFHEADERSIZE = struct.calcsize(_ELIDEDMFHEADER)
|
|
|
|
|
|
# When advertising capabilities, always include narrow clone support.
|
|
|
def getrepocaps_narrow(orig, repo, **kwargs):
|
|
|
caps = orig(repo, **kwargs)
|
|
|
caps[NARROWCAP] = ['v0']
|
|
|
return caps
|
|
|
|
|
|
def _computeellipsis(repo, common, heads, known, match, depth=None):
|
|
|
"""Compute the shape of a narrowed DAG.
|
|
|
|
|
|
Args:
|
|
|
repo: The repository we're transferring.
|
|
|
common: The roots of the DAG range we're transferring.
|
|
|
May be just [nullid], which means all ancestors of heads.
|
|
|
heads: The heads of the DAG range we're transferring.
|
|
|
match: The narrowmatcher that allows us to identify relevant changes.
|
|
|
depth: If not None, only consider nodes to be full nodes if they are at
|
|
|
most depth changesets away from one of heads.
|
|
|
|
|
|
Returns:
|
|
|
A tuple of (visitnodes, relevant_nodes, ellipsisroots) where:
|
|
|
|
|
|
visitnodes: The list of nodes (either full or ellipsis) which
|
|
|
need to be sent to the client.
|
|
|
relevant_nodes: The set of changelog nodes which change a file inside
|
|
|
the narrowspec. The client needs these as non-ellipsis nodes.
|
|
|
ellipsisroots: A dict of {rev: parents} that is used in
|
|
|
narrowchangegroup to produce ellipsis nodes with the
|
|
|
correct parents.
|
|
|
"""
|
|
|
cl = repo.changelog
|
|
|
mfl = repo.manifestlog
|
|
|
|
|
|
cldag = dagutil.revlogdag(cl)
|
|
|
# dagutil does not like nullid/nullrev
|
|
|
commonrevs = cldag.internalizeall(common - set([nullid])) | set([nullrev])
|
|
|
headsrevs = cldag.internalizeall(heads)
|
|
|
if depth:
|
|
|
revdepth = {h: 0 for h in headsrevs}
|
|
|
|
|
|
ellipsisheads = collections.defaultdict(set)
|
|
|
ellipsisroots = collections.defaultdict(set)
|
|
|
|
|
|
def addroot(head, curchange):
|
|
|
"""Add a root to an ellipsis head, splitting heads with 3 roots."""
|
|
|
ellipsisroots[head].add(curchange)
|
|
|
# Recursively split ellipsis heads with 3 roots by finding the
|
|
|
# roots' youngest common descendant which is an elided merge commit.
|
|
|
# That descendant takes 2 of the 3 roots as its own, and becomes a
|
|
|
# root of the head.
|
|
|
while len(ellipsisroots[head]) > 2:
|
|
|
child, roots = splithead(head)
|
|
|
splitroots(head, child, roots)
|
|
|
head = child # Recurse in case we just added a 3rd root
|
|
|
|
|
|
def splitroots(head, child, roots):
|
|
|
ellipsisroots[head].difference_update(roots)
|
|
|
ellipsisroots[head].add(child)
|
|
|
ellipsisroots[child].update(roots)
|
|
|
ellipsisroots[child].discard(child)
|
|
|
|
|
|
def splithead(head):
|
|
|
r1, r2, r3 = sorted(ellipsisroots[head])
|
|
|
for nr1, nr2 in ((r2, r3), (r1, r3), (r1, r2)):
|
|
|
mid = repo.revs('sort(merge() & %d::%d & %d::%d, -rev)',
|
|
|
nr1, head, nr2, head)
|
|
|
for j in mid:
|
|
|
if j == nr2:
|
|
|
return nr2, (nr1, nr2)
|
|
|
if j not in ellipsisroots or len(ellipsisroots[j]) < 2:
|
|
|
return j, (nr1, nr2)
|
|
|
raise error.Abort('Failed to split up ellipsis node! head: %d, '
|
|
|
'roots: %d %d %d' % (head, r1, r2, r3))
|
|
|
|
|
|
missing = list(cl.findmissingrevs(common=commonrevs, heads=headsrevs))
|
|
|
visit = reversed(missing)
|
|
|
relevant_nodes = set()
|
|
|
visitnodes = map(cl.node, missing)
|
|
|
required = set(headsrevs) | known
|
|
|
for rev in visit:
|
|
|
clrev = cl.changelogrevision(rev)
|
|
|
ps = cldag.parents(rev)
|
|
|
if depth is not None:
|
|
|
curdepth = revdepth[rev]
|
|
|
for p in ps:
|
|
|
revdepth[p] = min(curdepth + 1, revdepth.get(p, depth + 1))
|
|
|
needed = False
|
|
|
shallow_enough = depth is None or revdepth[rev] <= depth
|
|
|
if shallow_enough:
|
|
|
curmf = mfl[clrev.manifest].read()
|
|
|
if ps:
|
|
|
# We choose to not trust the changed files list in
|
|
|
# changesets because it's not always correct. TODO: could
|
|
|
# we trust it for the non-merge case?
|
|
|
p1mf = mfl[cl.changelogrevision(ps[0]).manifest].read()
|
|
|
needed = bool(curmf.diff(p1mf, match))
|
|
|
if not needed and len(ps) > 1:
|
|
|
# For merge changes, the list of changed files is not
|
|
|
# helpful, since we need to emit the merge if a file
|
|
|
# in the narrow spec has changed on either side of the
|
|
|
# merge. As a result, we do a manifest diff to check.
|
|
|
p2mf = mfl[cl.changelogrevision(ps[1]).manifest].read()
|
|
|
needed = bool(curmf.diff(p2mf, match))
|
|
|
else:
|
|
|
# For a root node, we need to include the node if any
|
|
|
# files in the node match the narrowspec.
|
|
|
needed = any(curmf.walk(match))
|
|
|
|
|
|
if needed:
|
|
|
for head in ellipsisheads[rev]:
|
|
|
addroot(head, rev)
|
|
|
for p in ps:
|
|
|
required.add(p)
|
|
|
relevant_nodes.add(cl.node(rev))
|
|
|
else:
|
|
|
if not ps:
|
|
|
ps = [nullrev]
|
|
|
if rev in required:
|
|
|
for head in ellipsisheads[rev]:
|
|
|
addroot(head, rev)
|
|
|
for p in ps:
|
|
|
ellipsisheads[p].add(rev)
|
|
|
else:
|
|
|
for p in ps:
|
|
|
ellipsisheads[p] |= ellipsisheads[rev]
|
|
|
|
|
|
# add common changesets as roots of their reachable ellipsis heads
|
|
|
for c in commonrevs:
|
|
|
for head in ellipsisheads[c]:
|
|
|
addroot(head, c)
|
|
|
return visitnodes, relevant_nodes, ellipsisroots
|
|
|
|
|
|
def _packellipsischangegroup(repo, common, match, relevant_nodes,
|
|
|
ellipsisroots, visitnodes, depth, source, version):
|
|
|
if version in ('01', '02'):
|
|
|
raise error.Abort(
|
|
|
'ellipsis nodes require at least cg3 on client and server, '
|
|
|
'but negotiated version %s' % version)
|
|
|
# We wrap cg1packer.revchunk, using a side channel to pass
|
|
|
# relevant_nodes into that area. Then if linknode isn't in the
|
|
|
# set, we know we have an ellipsis node and we should defer
|
|
|
# sending that node's data. We override close() to detect
|
|
|
# pending ellipsis nodes and flush them.
|
|
|
packer = changegroup.getbundler(version, repo)
|
|
|
# Let the packer have access to the narrow matcher so it can
|
|
|
# omit filelogs and dirlogs as needed
|
|
|
packer._narrow_matcher = lambda : match
|
|
|
# Give the packer the list of nodes which should not be
|
|
|
# ellipsis nodes. We store this rather than the set of nodes
|
|
|
# that should be an ellipsis because for very large histories
|
|
|
# we expect this to be significantly smaller.
|
|
|
packer.full_nodes = relevant_nodes
|
|
|
# Maps ellipsis revs to their roots at the changelog level.
|
|
|
packer.precomputed_ellipsis = ellipsisroots
|
|
|
# Maps CL revs to per-revlog revisions. Cleared in close() at
|
|
|
# the end of each group.
|
|
|
packer.clrev_to_localrev = {}
|
|
|
packer.next_clrev_to_localrev = {}
|
|
|
# Maps changelog nodes to changelog revs. Filled in once
|
|
|
# during changelog stage and then left unmodified.
|
|
|
packer.clnode_to_rev = {}
|
|
|
packer.changelog_done = False
|
|
|
# If true, informs the packer that it is serving shallow content and might
|
|
|
# need to pack file contents not introduced by the changes being packed.
|
|
|
packer.is_shallow = depth is not None
|
|
|
|
|
|
return packer.generate(common, visitnodes, False, source)
|
|
|
|
|
|
# Serve a changegroup for a client with a narrow clone.
|
|
|
def getbundlechangegrouppart_narrow(bundler, repo, source,
|
|
|
bundlecaps=None, b2caps=None, heads=None,
|
|
|
common=None, **kwargs):
|
|
|
cgversions = b2caps.get('changegroup')
|
|
|
getcgkwargs = {}
|
|
|
if cgversions: # 3.1 and 3.2 ship with an empty value
|
|
|
cgversions = [v for v in cgversions
|
|
|
if v in changegroup.supportedoutgoingversions(repo)]
|
|
|
if not cgversions:
|
|
|
raise ValueError(_('no common changegroup version'))
|
|
|
version = getcgkwargs['version'] = max(cgversions)
|
|
|
else:
|
|
|
raise ValueError(_("server does not advertise changegroup version,"
|
|
|
" can't negotiate support for ellipsis nodes"))
|
|
|
|
|
|
include = sorted(filter(bool, kwargs.get('includepats', [])))
|
|
|
exclude = sorted(filter(bool, kwargs.get('excludepats', [])))
|
|
|
newmatch = narrowspec.match(repo.root, include=include, exclude=exclude)
|
|
|
if not repo.ui.configbool("experimental", "narrowservebrokenellipses"):
|
|
|
outgoing = exchange._computeoutgoing(repo, heads, common)
|
|
|
if not outgoing.missing:
|
|
|
return
|
|
|
def wrappedgetbundler(orig, *args, **kwargs):
|
|
|
bundler = orig(*args, **kwargs)
|
|
|
bundler._narrow_matcher = lambda : newmatch
|
|
|
return bundler
|
|
|
with extensions.wrappedfunction(changegroup, 'getbundler',
|
|
|
wrappedgetbundler):
|
|
|
cg = changegroup.makestream(repo, outgoing, version, source)
|
|
|
part = bundler.newpart('changegroup', data=cg)
|
|
|
part.addparam('version', version)
|
|
|
if 'treemanifest' in repo.requirements:
|
|
|
part.addparam('treemanifest', '1')
|
|
|
|
|
|
if include or exclude:
|
|
|
narrowspecpart = bundler.newpart(_SPECPART)
|
|
|
if include:
|
|
|
narrowspecpart.addparam(
|
|
|
_SPECPART_INCLUDE, '\n'.join(include), mandatory=True)
|
|
|
if exclude:
|
|
|
narrowspecpart.addparam(
|
|
|
_SPECPART_EXCLUDE, '\n'.join(exclude), mandatory=True)
|
|
|
|
|
|
return
|
|
|
|
|
|
depth = kwargs.get('depth', None)
|
|
|
if depth is not None:
|
|
|
depth = int(depth)
|
|
|
if depth < 1:
|
|
|
raise error.Abort(_('depth must be positive, got %d') % depth)
|
|
|
|
|
|
heads = set(heads or repo.heads())
|
|
|
common = set(common or [nullid])
|
|
|
oldinclude = sorted(filter(bool, kwargs.get('oldincludepats', [])))
|
|
|
oldexclude = sorted(filter(bool, kwargs.get('oldexcludepats', [])))
|
|
|
known = {bin(n) for n in kwargs.get('known', [])}
|
|
|
if known and (oldinclude != include or oldexclude != exclude):
|
|
|
# Steps:
|
|
|
# 1. Send kill for "$known & ::common"
|
|
|
#
|
|
|
# 2. Send changegroup for ::common
|
|
|
#
|
|
|
# 3. Proceed.
|
|
|
#
|
|
|
# In the future, we can send kills for only the specific
|
|
|
# nodes we know should go away or change shape, and then
|
|
|
# send a data stream that tells the client something like this:
|
|
|
#
|
|
|
# a) apply this changegroup
|
|
|
# b) apply nodes XXX, YYY, ZZZ that you already have
|
|
|
# c) goto a
|
|
|
#
|
|
|
# until they've built up the full new state.
|
|
|
# Convert to revnums and intersect with "common". The client should
|
|
|
# have made it a subset of "common" already, but let's be safe.
|
|
|
known = set(repo.revs("%ln & ::%ln", known, common))
|
|
|
# TODO: we could send only roots() of this set, and the
|
|
|
# list of nodes in common, and the client could work out
|
|
|
# what to strip, instead of us explicitly sending every
|
|
|
# single node.
|
|
|
deadrevs = known
|
|
|
def genkills():
|
|
|
for r in deadrevs:
|
|
|
yield _KILLNODESIGNAL
|
|
|
yield repo.changelog.node(r)
|
|
|
yield _DONESIGNAL
|
|
|
bundler.newpart(_CHANGESPECPART, data=genkills())
|
|
|
newvisit, newfull, newellipsis = _computeellipsis(
|
|
|
repo, set(), common, known, newmatch)
|
|
|
if newvisit:
|
|
|
cg = _packellipsischangegroup(
|
|
|
repo, common, newmatch, newfull, newellipsis,
|
|
|
newvisit, depth, source, version)
|
|
|
part = bundler.newpart('changegroup', data=cg)
|
|
|
part.addparam('version', version)
|
|
|
if 'treemanifest' in repo.requirements:
|
|
|
part.addparam('treemanifest', '1')
|
|
|
|
|
|
visitnodes, relevant_nodes, ellipsisroots = _computeellipsis(
|
|
|
repo, common, heads, set(), newmatch, depth=depth)
|
|
|
|
|
|
repo.ui.debug('Found %d relevant revs\n' % len(relevant_nodes))
|
|
|
if visitnodes:
|
|
|
cg = _packellipsischangegroup(
|
|
|
repo, common, newmatch, relevant_nodes, ellipsisroots,
|
|
|
visitnodes, depth, source, version)
|
|
|
part = bundler.newpart('changegroup', data=cg)
|
|
|
part.addparam('version', version)
|
|
|
if 'treemanifest' in repo.requirements:
|
|
|
part.addparam('treemanifest', '1')
|
|
|
|
|
|
def applyacl_narrow(repo, kwargs):
|
|
|
ui = repo.ui
|
|
|
username = ui.shortuser(ui.environ.get('REMOTE_USER') or ui.username())
|
|
|
user_includes = ui.configlist(
|
|
|
_NARROWACL_SECTION, username + '.includes',
|
|
|
ui.configlist(_NARROWACL_SECTION, 'default.includes'))
|
|
|
user_excludes = ui.configlist(
|
|
|
_NARROWACL_SECTION, username + '.excludes',
|
|
|
ui.configlist(_NARROWACL_SECTION, 'default.excludes'))
|
|
|
if not user_includes:
|
|
|
raise error.Abort(_("{} configuration for user {} is empty")
|
|
|
.format(_NARROWACL_SECTION, username))
|
|
|
|
|
|
user_includes = [
|
|
|
'path:.' if p == '*' else 'path:' + p for p in user_includes]
|
|
|
user_excludes = [
|
|
|
'path:.' if p == '*' else 'path:' + p for p in user_excludes]
|
|
|
|
|
|
req_includes = set(kwargs.get('includepats', []))
|
|
|
req_excludes = set(kwargs.get('excludepats', []))
|
|
|
|
|
|
req_includes, req_excludes, invalid_includes = narrowspec.restrictpatterns(
|
|
|
req_includes, req_excludes, user_includes, user_excludes)
|
|
|
|
|
|
if invalid_includes:
|
|
|
raise error.Abort(
|
|
|
_("The following includes are not accessible for {}: {}")
|
|
|
.format(username, invalid_includes))
|
|
|
|
|
|
new_args = {}
|
|
|
new_args.update(kwargs)
|
|
|
new_args['includepats'] = req_includes
|
|
|
if req_excludes:
|
|
|
new_args['excludepats'] = req_excludes
|
|
|
return new_args
|
|
|
|
|
|
@bundle2.parthandler(_SPECPART, (_SPECPART_INCLUDE, _SPECPART_EXCLUDE))
|
|
|
def _handlechangespec_2(op, inpart):
|
|
|
includepats = set(inpart.params.get(_SPECPART_INCLUDE, '').splitlines())
|
|
|
excludepats = set(inpart.params.get(_SPECPART_EXCLUDE, '').splitlines())
|
|
|
narrowspec.save(op.repo, includepats, excludepats)
|
|
|
if not narrowrepo.REQUIREMENT in op.repo.requirements:
|
|
|
op.repo.requirements.add(narrowrepo.REQUIREMENT)
|
|
|
op.repo._writerequirements()
|
|
|
op.repo.invalidate(clearfilecache=True)
|
|
|
|
|
|
@bundle2.parthandler(_CHANGESPECPART)
|
|
|
def _handlechangespec(op, inpart):
|
|
|
repo = op.repo
|
|
|
cl = repo.changelog
|
|
|
|
|
|
# changesets which need to be stripped entirely. either they're no longer
|
|
|
# needed in the new narrow spec, or the server is sending a replacement
|
|
|
# in the changegroup part.
|
|
|
clkills = set()
|
|
|
|
|
|
# A changespec part contains all the updates to ellipsis nodes
|
|
|
# that will happen as a result of widening or narrowing a
|
|
|
# repo. All the changes that this block encounters are ellipsis
|
|
|
# nodes or flags to kill an existing ellipsis.
|
|
|
chunksignal = changegroup.readexactly(inpart, 4)
|
|
|
while chunksignal != _DONESIGNAL:
|
|
|
if chunksignal == _KILLNODESIGNAL:
|
|
|
# a node used to be an ellipsis but isn't anymore
|
|
|
ck = changegroup.readexactly(inpart, 20)
|
|
|
if cl.hasnode(ck):
|
|
|
clkills.add(ck)
|
|
|
else:
|
|
|
raise error.Abort(
|
|
|
_('unexpected changespec node chunk type: %s') % chunksignal)
|
|
|
chunksignal = changegroup.readexactly(inpart, 4)
|
|
|
|
|
|
if clkills:
|
|
|
# preserve bookmarks that repair.strip() would otherwise strip
|
|
|
bmstore = repo._bookmarks
|
|
|
class dummybmstore(dict):
|
|
|
def applychanges(self, repo, tr, changes):
|
|
|
pass
|
|
|
def recordchange(self, tr): # legacy version
|
|
|
pass
|
|
|
repo._bookmarks = dummybmstore()
|
|
|
chgrpfile = repair.strip(op.ui, repo, list(clkills), backup=True,
|
|
|
topic='widen')
|
|
|
repo._bookmarks = bmstore
|
|
|
if chgrpfile:
|
|
|
# presence of _widen_bundle attribute activates widen handler later
|
|
|
op._widen_bundle = chgrpfile
|
|
|
# Set the new narrowspec if we're widening. The setnewnarrowpats() method
|
|
|
# will currently always be there when using the core+narrowhg server, but
|
|
|
# other servers may include a changespec part even when not widening (e.g.
|
|
|
# because we're deepening a shallow repo).
|
|
|
if util.safehasattr(repo, 'setnewnarrowpats'):
|
|
|
repo.setnewnarrowpats()
|
|
|
|
|
|
def handlechangegroup_widen(op, inpart):
|
|
|
"""Changegroup exchange handler which restores temporarily-stripped nodes"""
|
|
|
# We saved a bundle with stripped node data we must now restore.
|
|
|
# This approach is based on mercurial/repair.py@6ee26a53c111.
|
|
|
repo = op.repo
|
|
|
ui = op.ui
|
|
|
|
|
|
chgrpfile = op._widen_bundle
|
|
|
del op._widen_bundle
|
|
|
vfs = repo.vfs
|
|
|
|
|
|
ui.note(_("adding branch\n"))
|
|
|
f = vfs.open(chgrpfile, "rb")
|
|
|
try:
|
|
|
gen = exchange.readbundle(ui, f, chgrpfile, vfs)
|
|
|
if not ui.verbose:
|
|
|
# silence internal shuffling chatter
|
|
|
ui.pushbuffer()
|
|
|
if isinstance(gen, bundle2.unbundle20):
|
|
|
with repo.transaction('strip') as tr:
|
|
|
bundle2.processbundle(repo, gen, lambda: tr)
|
|
|
else:
|
|
|
gen.apply(repo, 'strip', 'bundle:' + vfs.join(chgrpfile), True)
|
|
|
if not ui.verbose:
|
|
|
ui.popbuffer()
|
|
|
finally:
|
|
|
f.close()
|
|
|
|
|
|
# remove undo files
|
|
|
for undovfs, undofile in repo.undofiles():
|
|
|
try:
|
|
|
undovfs.unlink(undofile)
|
|
|
except OSError as e:
|
|
|
if e.errno != errno.ENOENT:
|
|
|
ui.warn(_('error removing %s: %s\n') %
|
|
|
(undovfs.join(undofile), str(e)))
|
|
|
|
|
|
# Remove partial backup only if there were no exceptions
|
|
|
vfs.unlink(chgrpfile)
|
|
|
|
|
|
def setup():
|
|
|
"""Enable narrow repo support in bundle2-related extension points."""
|
|
|
extensions.wrapfunction(bundle2, 'getrepocaps', getrepocaps_narrow)
|
|
|
|
|
|
wireproto.gboptsmap['narrow'] = 'boolean'
|
|
|
wireproto.gboptsmap['depth'] = 'plain'
|
|
|
wireproto.gboptsmap['oldincludepats'] = 'csv'
|
|
|
wireproto.gboptsmap['oldexcludepats'] = 'csv'
|
|
|
wireproto.gboptsmap['includepats'] = 'csv'
|
|
|
wireproto.gboptsmap['excludepats'] = 'csv'
|
|
|
wireproto.gboptsmap['known'] = 'csv'
|
|
|
|
|
|
# Extend changegroup serving to handle requests from narrow clients.
|
|
|
origcgfn = exchange.getbundle2partsmapping['changegroup']
|
|
|
def wrappedcgfn(*args, **kwargs):
|
|
|
repo = args[1]
|
|
|
if repo.ui.has_section(_NARROWACL_SECTION):
|
|
|
getbundlechangegrouppart_narrow(
|
|
|
*args, **applyacl_narrow(repo, kwargs))
|
|
|
elif kwargs.get('narrow', False):
|
|
|
getbundlechangegrouppart_narrow(*args, **kwargs)
|
|
|
else:
|
|
|
origcgfn(*args, **kwargs)
|
|
|
exchange.getbundle2partsmapping['changegroup'] = wrappedcgfn
|
|
|
|
|
|
# Extend changegroup receiver so client can fixup after widen requests.
|
|
|
origcghandler = bundle2.parthandlermapping['changegroup']
|
|
|
def wrappedcghandler(op, inpart):
|
|
|
origcghandler(op, inpart)
|
|
|
if util.safehasattr(op, '_widen_bundle'):
|
|
|
handlechangegroup_widen(op, inpart)
|
|
|
wrappedcghandler.params = origcghandler.params
|
|
|
bundle2.parthandlermapping['changegroup'] = wrappedcghandler
|
|
|
|
