bundleparts.py
114 lines
| 3.4 KiB
| text/x-python
|
PythonLexer
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r37204 | # Copyright 2017 Facebook, 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 | ||||
from mercurial.i18n import _ | ||||
from mercurial import ( | ||||
bundle2, | ||||
changegroup, | ||||
error, | ||||
extensions, | ||||
revsetlang, | ||||
util, | ||||
) | ||||
from . import common | ||||
isremotebooksenabled = common.isremotebooksenabled | ||||
scratchbranchparttype = 'b2x:infinitepush' | ||||
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r37220 | def getscratchbranchparts(repo, peer, outgoing, ui, bookmark): | ||
|
r37204 | if not outgoing.missing: | ||
raise error.Abort(_('no commits to push')) | ||||
if scratchbranchparttype not in bundle2.bundle2caps(peer): | ||||
raise error.Abort(_('no server support for %r') % scratchbranchparttype) | ||||
_validaterevset(repo, revsetlang.formatspec('%ln', outgoing.missing), | ||||
bookmark) | ||||
supportedversions = changegroup.supportedoutgoingversions(repo) | ||||
# Explicitly avoid using '01' changegroup version in infinitepush to | ||||
# support general delta | ||||
supportedversions.discard('01') | ||||
cgversion = min(supportedversions) | ||||
_handlelfs(repo, outgoing.missing) | ||||
cg = changegroup.makestream(repo, outgoing, cgversion, 'push') | ||||
params = {} | ||||
params['cgversion'] = cgversion | ||||
if bookmark: | ||||
params['bookmark'] = bookmark | ||||
# 'prevbooknode' is necessary for pushkey reply part | ||||
params['bookprevnode'] = '' | ||||
if bookmark in repo: | ||||
params['bookprevnode'] = repo[bookmark].hex() | ||||
# Do not send pushback bundle2 part with bookmarks if remotenames extension | ||||
# is enabled. It will be handled manually in `_push()` | ||||
if not isremotebooksenabled(ui): | ||||
params['pushbackbookmarks'] = '1' | ||||
parts = [] | ||||
# .upper() marks this as a mandatory part: server will abort if there's no | ||||
# handler | ||||
parts.append(bundle2.bundlepart( | ||||
scratchbranchparttype.upper(), | ||||
advisoryparams=params.iteritems(), | ||||
data=cg)) | ||||
return parts | ||||
def _validaterevset(repo, revset, bookmark): | ||||
"""Abort if the revs to be pushed aren't valid for a scratch branch.""" | ||||
if not repo.revs(revset): | ||||
raise error.Abort(_('nothing to push')) | ||||
if bookmark: | ||||
# Allow bundle with many heads only if no bookmark is specified | ||||
heads = repo.revs('heads(%r)', revset) | ||||
if len(heads) > 1: | ||||
raise error.Abort( | ||||
_('cannot push more than one head to a scratch branch')) | ||||
def _handlelfs(repo, missing): | ||||
'''Special case if lfs is enabled | ||||
If lfs is enabled then we need to call prepush hook | ||||
to make sure large files are uploaded to lfs | ||||
''' | ||||
try: | ||||
lfsmod = extensions.find('lfs') | ||||
lfsmod.wrapper.uploadblobsfromrevs(repo, missing) | ||||
except KeyError: | ||||
# Ignore if lfs extension is not enabled | ||||
return | ||||
class copiedpart(object): | ||||
"""a copy of unbundlepart content that can be consumed later""" | ||||
def __init__(self, part): | ||||
# copy "public properties" | ||||
self.type = part.type | ||||
self.id = part.id | ||||
self.mandatory = part.mandatory | ||||
self.mandatoryparams = part.mandatoryparams | ||||
self.advisoryparams = part.advisoryparams | ||||
self.params = part.params | ||||
self.mandatorykeys = part.mandatorykeys | ||||
# copy the buffer | ||||
self._io = util.stringio(part.read()) | ||||
def consume(self): | ||||
return | ||||
def read(self, size=None): | ||||
if size is None: | ||||
return self._io.read() | ||||
else: | ||||
return self._io.read(size) | ||||