author | Pierre-Yves David <pierre-yves.david@logilab.fr> |
Thu, 30 Jan 2014 15:34:01 -0800 | |
changeset 20345 | 8567b4ea76ac |
child 20346 | 42df1fe32552 |
permissions | -rw-r--r-- |
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# exchange.py - utily to exchange data between repo. |
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# |
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# Copyright 2005-2007 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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|
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from i18n import _ |
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from node import hex |
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import errno |
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import util, scmutil, changegroup |
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import discovery, phases, obsolete, bookmarks |
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|
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def push(repo, remote, force=False, revs=None, newbranch=False): |
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'''Push outgoing changesets (limited by revs) from a local |
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repository to remote. Return an integer: |
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- None means nothing to push |
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- 0 means HTTP error |
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- 1 means we pushed and remote head count is unchanged *or* |
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we have outgoing changesets but refused to push |
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- other values as described by addchangegroup() |
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''' |
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if remote.local(): |
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missing = set(repo.requirements) - remote.local().supported |
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if missing: |
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msg = _("required features are not" |
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" supported in the destination:" |
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" %s") % (', '.join(sorted(missing))) |
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raise util.Abort(msg) |
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|
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# there are two ways to push to remote repo: |
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# |
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# addchangegroup assumes local user can lock remote |
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# repo (local filesystem, old ssh servers). |
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# |
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# unbundle assumes local user cannot lock remote repo (new ssh |
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# servers, http servers). |
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|
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if not remote.canpush(): |
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raise util.Abort(_("destination does not support push")) |
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unfi = repo.unfiltered() |
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def localphasemove(nodes, phase=phases.public): |
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"""move <nodes> to <phase> in the local source repo""" |
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if locallock is not None: |
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phases.advanceboundary(repo, phase, nodes) |
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else: |
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# repo is not locked, do not change any phases! |
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# Informs the user that phases should have been moved when |
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# applicable. |
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actualmoves = [n for n in nodes if phase < repo[n].phase()] |
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phasestr = phases.phasenames[phase] |
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if actualmoves: |
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repo.ui.status(_('cannot lock source repo, skipping local' |
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' %s phase update\n') % phasestr) |
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# get local lock as we might write phase data |
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locallock = None |
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try: |
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locallock = repo.lock() |
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except IOError, err: |
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if err.errno != errno.EACCES: |
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raise |
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# source repo cannot be locked. |
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# We do not abort the push, but just disable the local phase |
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# synchronisation. |
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msg = 'cannot lock source repository: %s\n' % err |
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repo.ui.debug(msg) |
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try: |
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repo.checkpush(force, revs) |
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lock = None |
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unbundle = remote.capable('unbundle') |
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if not unbundle: |
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lock = remote.lock() |
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try: |
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# discovery |
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fci = discovery.findcommonincoming |
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commoninc = fci(unfi, remote, force=force) |
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common, inc, remoteheads = commoninc |
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fco = discovery.findcommonoutgoing |
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outgoing = fco(unfi, remote, onlyheads=revs, |
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commoninc=commoninc, force=force) |
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|
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|
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if not outgoing.missing: |
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# nothing to push |
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scmutil.nochangesfound(unfi.ui, unfi, outgoing.excluded) |
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ret = None |
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else: |
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# something to push |
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if not force: |
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# if repo.obsstore == False --> no obsolete |
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# then, save the iteration |
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if unfi.obsstore: |
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# this message are here for 80 char limit reason |
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mso = _("push includes obsolete changeset: %s!") |
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mst = "push includes %s changeset: %s!" |
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# plain versions for i18n tool to detect them |
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_("push includes unstable changeset: %s!") |
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_("push includes bumped changeset: %s!") |
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_("push includes divergent changeset: %s!") |
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# If we are to push if there is at least one |
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# obsolete or unstable changeset in missing, at |
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# least one of the missinghead will be obsolete or |
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# unstable. So checking heads only is ok |
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for node in outgoing.missingheads: |
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ctx = unfi[node] |
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if ctx.obsolete(): |
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raise util.Abort(mso % ctx) |
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elif ctx.troubled(): |
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raise util.Abort(_(mst) |
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% (ctx.troubles()[0], |
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ctx)) |
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112 |
newbm = repo.ui.configlist('bookmarks', 'pushing') |
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113 |
discovery.checkheads(unfi, remote, outgoing, |
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114 |
remoteheads, newbranch, |
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115 |
bool(inc), newbm) |
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|
116 |
|
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117 |
# TODO: get bundlecaps from remote |
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118 |
bundlecaps = None |
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119 |
# create a changegroup from local |
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120 |
if revs is None and not (outgoing.excluded |
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121 |
or repo.changelog.filteredrevs): |
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122 |
# push everything, |
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123 |
# use the fast path, no race possible on push |
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124 |
bundler = changegroup.bundle10(repo, bundlecaps) |
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125 |
cg = repo._changegroupsubset(outgoing, |
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126 |
bundler, |
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127 |
'push', |
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128 |
fastpath=True) |
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129 |
else: |
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130 |
cg = repo.getlocalbundle('push', outgoing, bundlecaps) |
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|
131 |
|
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132 |
# apply changegroup to remote |
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133 |
if unbundle: |
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134 |
# local repo finds heads on server, finds out what |
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135 |
# revs it must push. once revs transferred, if server |
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136 |
# finds it has different heads (someone else won |
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137 |
# commit/push race), server aborts. |
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138 |
if force: |
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|
139 |
remoteheads = ['force'] |
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140 |
# ssh: return remote's addchangegroup() |
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141 |
# http: return remote's addchangegroup() or 0 for error |
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142 |
ret = remote.unbundle(cg, remoteheads, 'push') |
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143 |
else: |
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144 |
# we return an integer indicating remote head count |
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145 |
# change |
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146 |
ret = remote.addchangegroup(cg, 'push', repo.url()) |
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|
147 |
|
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148 |
if ret: |
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149 |
# push succeed, synchronize target of the push |
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150 |
cheads = outgoing.missingheads |
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|
151 |
elif revs is None: |
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152 |
# All out push fails. synchronize all common |
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153 |
cheads = outgoing.commonheads |
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154 |
else: |
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155 |
# I want cheads = heads(::missingheads and ::commonheads) |
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156 |
# (missingheads is revs with secret changeset filtered out) |
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157 |
# |
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|
158 |
# This can be expressed as: |
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|
159 |
# cheads = ( (missingheads and ::commonheads) |
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160 |
# + (commonheads and ::missingheads))" |
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161 |
# ) |
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162 |
# |
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|
163 |
# while trying to push we already computed the following: |
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|
164 |
# common = (::commonheads) |
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165 |
# missing = ((commonheads::missingheads) - commonheads) |
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166 |
# |
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|
167 |
# We can pick: |
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|
168 |
# * missingheads part of common (::commonheads) |
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169 |
common = set(outgoing.common) |
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|
170 |
nm = repo.changelog.nodemap |
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|
171 |
cheads = [node for node in revs if nm[node] in common] |
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|
172 |
# and |
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|
173 |
# * commonheads parents on missing |
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|
174 |
revset = unfi.set('%ln and parents(roots(%ln))', |
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|
175 |
outgoing.commonheads, |
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|
176 |
outgoing.missing) |
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|
177 |
cheads.extend(c.node() for c in revset) |
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|
178 |
# even when we don't push, exchanging phase data is useful |
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|
179 |
remotephases = remote.listkeys('phases') |
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|
180 |
if (repo.ui.configbool('ui', '_usedassubrepo', False) |
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|
181 |
and remotephases # server supports phases |
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|
182 |
and ret is None # nothing was pushed |
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|
183 |
and remotephases.get('publishing', False)): |
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|
184 |
# When: |
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|
185 |
# - this is a subrepo push |
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186 |
# - and remote support phase |
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187 |
# - and no changeset was pushed |
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188 |
# - and remote is publishing |
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|
189 |
# We may be in issue 3871 case! |
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|
190 |
# We drop the possible phase synchronisation done by |
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|
191 |
# courtesy to publish changesets possibly locally draft |
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|
192 |
# on the remote. |
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|
193 |
remotephases = {'publishing': 'True'} |
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|
194 |
if not remotephases: # old server or public only repo |
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195 |
localphasemove(cheads) |
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196 |
# don't push any phase data as there is nothing to push |
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197 |
else: |
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|
198 |
ana = phases.analyzeremotephases(repo, cheads, remotephases) |
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|
199 |
pheads, droots = ana |
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|
200 |
### Apply remote phase on local |
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|
201 |
if remotephases.get('publishing', False): |
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202 |
localphasemove(cheads) |
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|
203 |
else: # publish = False |
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204 |
localphasemove(pheads) |
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205 |
localphasemove(cheads, phases.draft) |
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|
206 |
### Apply local phase on remote |
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|
207 |
|
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|
208 |
# Get the list of all revs draft on remote by public here. |
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|
209 |
# XXX Beware that revset break if droots is not strictly |
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210 |
# XXX root we may want to ensure it is but it is costly |
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|
211 |
outdated = unfi.set('heads((%ln::%ln) and public())', |
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212 |
droots, cheads) |
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|
213 |
for newremotehead in outdated: |
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214 |
r = remote.pushkey('phases', |
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|
215 |
newremotehead.hex(), |
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|
216 |
str(phases.draft), |
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|
217 |
str(phases.public)) |
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218 |
if not r: |
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219 |
repo.ui.warn(_('updating %s to public failed!\n') |
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220 |
% newremotehead) |
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221 |
repo.ui.debug('try to push obsolete markers to remote\n') |
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222 |
obsolete.syncpush(repo, remote) |
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|
223 |
finally: |
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224 |
if lock is not None: |
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exchange: extract push function from localrepo
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
diff
changeset
|
225 |
lock.release() |
8567b4ea76ac
exchange: extract push function from localrepo
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
diff
changeset
|
226 |
finally: |
8567b4ea76ac
exchange: extract push function from localrepo
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
diff
changeset
|
227 |
if locallock is not None: |
8567b4ea76ac
exchange: extract push function from localrepo
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
diff
changeset
|
228 |
locallock.release() |
8567b4ea76ac
exchange: extract push function from localrepo
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
diff
changeset
|
229 |
|
8567b4ea76ac
exchange: extract push function from localrepo
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
diff
changeset
|
230 |
bookmarks.updateremote(repo.ui, unfi, remote, revs) |
8567b4ea76ac
exchange: extract push function from localrepo
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
diff
changeset
|
231 |
return ret |