author | Pulkit Goyal <7895pulkit@gmail.com> |
Fri, 09 Feb 2018 13:39:15 +0530 | |
changeset 37189 | 03ff17a4bf53 |
child 37195 | 5a9692d0d6fc |
permissions | -rw-r--r-- |
37189
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# Copyright 2017 Facebook, Inc. |
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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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from mercurial.i18n import _ |
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from mercurial import ( |
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bundle2, |
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changegroup, |
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error, |
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extensions, |
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revsetlang, |
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util, |
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) |
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from . import common |
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encodebookmarks = common.encodebookmarks |
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isremotebooksenabled = common.isremotebooksenabled |
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scratchbranchparttype = 'b2x:infinitepush' |
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scratchbookmarksparttype = 'b2x:infinitepushscratchbookmarks' |
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def getscratchbranchparts(repo, peer, outgoing, confignonforwardmove, |
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ui, bookmark, create): |
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if not outgoing.missing: |
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raise error.Abort(_('no commits to push')) |
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if scratchbranchparttype not in bundle2.bundle2caps(peer): |
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raise error.Abort(_('no server support for %r') % scratchbranchparttype) |
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_validaterevset(repo, revsetlang.formatspec('%ln', outgoing.missing), |
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bookmark) |
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supportedversions = changegroup.supportedoutgoingversions(repo) |
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# Explicitly avoid using '01' changegroup version in infinitepush to |
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# support general delta |
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supportedversions.discard('01') |
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cgversion = min(supportedversions) |
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_handlelfs(repo, outgoing.missing) |
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cg = changegroup.makestream(repo, outgoing, cgversion, 'push') |
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params = {} |
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params['cgversion'] = cgversion |
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if bookmark: |
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params['bookmark'] = bookmark |
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# 'prevbooknode' is necessary for pushkey reply part |
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params['bookprevnode'] = '' |
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if bookmark in repo: |
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params['bookprevnode'] = repo[bookmark].hex() |
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if create: |
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params['create'] = '1' |
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if confignonforwardmove: |
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params['force'] = '1' |
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# Do not send pushback bundle2 part with bookmarks if remotenames extension |
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# is enabled. It will be handled manually in `_push()` |
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if not isremotebooksenabled(ui): |
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params['pushbackbookmarks'] = '1' |
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parts = [] |
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# .upper() marks this as a mandatory part: server will abort if there's no |
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# handler |
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parts.append(bundle2.bundlepart( |
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scratchbranchparttype.upper(), |
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advisoryparams=params.iteritems(), |
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data=cg)) |
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try: |
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treemod = extensions.find('treemanifest') |
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mfnodes = [] |
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for node in outgoing.missing: |
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mfnodes.append(('', repo[node].manifestnode())) |
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# Only include the tree parts if they all exist |
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if not repo.manifestlog.datastore.getmissing(mfnodes): |
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parts.append(treemod.createtreepackpart( |
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repo, outgoing, treemod.TREEGROUP_PARTTYPE2)) |
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except KeyError: |
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pass |
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return parts |
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def getscratchbookmarkspart(peer, bookmarks): |
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if scratchbookmarksparttype not in bundle2.bundle2caps(peer): |
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raise error.Abort( |
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_('no server support for %r') % scratchbookmarksparttype) |
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return bundle2.bundlepart( |
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scratchbookmarksparttype.upper(), |
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data=encodebookmarks(bookmarks)) |
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def _validaterevset(repo, revset, bookmark): |
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"""Abort if the revs to be pushed aren't valid for a scratch branch.""" |
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if not repo.revs(revset): |
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raise error.Abort(_('nothing to push')) |
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if bookmark: |
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# Allow bundle with many heads only if no bookmark is specified |
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heads = repo.revs('heads(%r)', revset) |
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if len(heads) > 1: |
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raise error.Abort( |
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_('cannot push more than one head to a scratch branch')) |
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def _handlelfs(repo, missing): |
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'''Special case if lfs is enabled |
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111 |
If lfs is enabled then we need to call prepush hook |
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112 |
to make sure large files are uploaded to lfs |
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113 |
''' |
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114 |
try: |
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115 |
lfsmod = extensions.find('lfs') |
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116 |
lfsmod.wrapper.uploadblobsfromrevs(repo, missing) |
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117 |
except KeyError: |
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118 |
# Ignore if lfs extension is not enabled |
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119 |
return |
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120 |
|
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121 |
class copiedpart(object): |
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122 |
"""a copy of unbundlepart content that can be consumed later""" |
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123 |
|
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124 |
def __init__(self, part): |
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125 |
# copy "public properties" |
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126 |
self.type = part.type |
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127 |
self.id = part.id |
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128 |
self.mandatory = part.mandatory |
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129 |
self.mandatoryparams = part.mandatoryparams |
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130 |
self.advisoryparams = part.advisoryparams |
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131 |
self.params = part.params |
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132 |
self.mandatorykeys = part.mandatorykeys |
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133 |
# copy the buffer |
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134 |
self._io = util.stringio(part.read()) |
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135 |
|
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136 |
def consume(self): |
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137 |
return |
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138 |
|
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139 |
def read(self, size=None): |
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140 |
if size is None: |
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141 |
return self._io.read() |
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142 |
else: |
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143 |
return self._io.read(size) |