author | Augie Fackler <augie@google.com> |
Sun, 18 Feb 2018 14:25:03 -0500 | |
changeset 36310 | ea62c2df882d |
parent 35879 | 6c1d3779c052 |
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permissions | -rw-r--r-- |
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# discovery.py - protocol changeset discovery functions |
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# |
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# Copyright 2010 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 functools |
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from .i18n import _ |
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from .node import ( |
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hex, |
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nullid, |
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short, |
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) |
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from . import ( |
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bookmarks, |
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branchmap, |
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error, |
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phases, |
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scmutil, |
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setdiscovery, |
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treediscovery, |
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util, |
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) |
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def findcommonincoming(repo, remote, heads=None, force=False, ancestorsof=None): |
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"""Return a tuple (common, anyincoming, heads) used to identify the common |
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subset of nodes between repo and remote. |
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"common" is a list of (at least) the heads of the common subset. |
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"anyincoming" is testable as a boolean indicating if any nodes are missing |
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locally. If remote does not support getbundle, this actually is a list of |
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roots of the nodes that would be incoming, to be supplied to |
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changegroupsubset. No code except for pull should be relying on this fact |
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any longer. |
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"heads" is either the supplied heads, or else the remote's heads. |
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"ancestorsof" if not None, restrict the discovery to a subset defined by |
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these nodes. Changeset outside of this set won't be considered (and |
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won't appears in "common") |
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If you pass heads and they are all known locally, the response lists just |
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these heads in "common" and in "heads". |
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Please use findcommonoutgoing to compute the set of outgoing nodes to give |
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extensions a good hook into outgoing. |
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""" |
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if not remote.capable('getbundle'): |
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return treediscovery.findcommonincoming(repo, remote, heads, force) |
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if heads: |
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knownnode = repo.changelog.hasnode # no nodemap until it is filtered |
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if all(knownnode(h) for h in heads): |
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return (heads, False, heads) |
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res = setdiscovery.findcommonheads(repo.ui, repo, remote, heads, |
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abortwhenunrelated=not force, |
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ancestorsof=ancestorsof) |
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common, anyinc, srvheads = res |
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return (list(common), anyinc, heads or list(srvheads)) |
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class outgoing(object): |
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'''Represents the set of nodes present in a local repo but not in a |
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(possibly) remote one. |
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Members: |
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missing is a list of all nodes present in local but not in remote. |
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common is a list of all nodes shared between the two repos. |
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excluded is the list of missing changeset that shouldn't be sent remotely. |
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missingheads is the list of heads of missing. |
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commonheads is the list of heads of common. |
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The sets are computed on demand from the heads, unless provided upfront |
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by discovery.''' |
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def __init__(self, repo, commonheads=None, missingheads=None, |
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missingroots=None): |
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# at least one of them must not be set |
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assert None in (commonheads, missingroots) |
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cl = repo.changelog |
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if missingheads is None: |
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missingheads = cl.heads() |
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if missingroots: |
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discbases = [] |
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for n in missingroots: |
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discbases.extend([p for p in cl.parents(n) if p != nullid]) |
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# TODO remove call to nodesbetween. |
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# TODO populate attributes on outgoing instance instead of setting |
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# discbases. |
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csets, roots, heads = cl.nodesbetween(missingroots, missingheads) |
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included = set(csets) |
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missingheads = heads |
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commonheads = [n for n in discbases if n not in included] |
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elif not commonheads: |
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commonheads = [nullid] |
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self.commonheads = commonheads |
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self.missingheads = missingheads |
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self._revlog = cl |
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self._common = None |
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self._missing = None |
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self.excluded = [] |
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107 |
|
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108 |
def _computecommonmissing(self): |
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109 |
sets = self._revlog.findcommonmissing(self.commonheads, |
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110 |
self.missingheads) |
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111 |
self._common, self._missing = sets |
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112 |
|
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113 |
@util.propertycache |
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114 |
def common(self): |
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115 |
if self._common is None: |
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116 |
self._computecommonmissing() |
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117 |
return self._common |
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118 |
|
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119 |
@util.propertycache |
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120 |
def missing(self): |
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121 |
if self._missing is None: |
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122 |
self._computecommonmissing() |
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123 |
return self._missing |
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124 |
|
16683 | 125 |
def findcommonoutgoing(repo, other, onlyheads=None, force=False, |
16746 | 126 |
commoninc=None, portable=False): |
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127 |
'''Return an outgoing instance to identify the nodes present in repo but |
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128 |
not in other. |
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129 |
|
16683 | 130 |
If onlyheads is given, only nodes ancestral to nodes in onlyheads |
131 |
(inclusive) are included. If you already know the local repo's heads, |
|
132 |
passing them in onlyheads is faster than letting them be recomputed here. |
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133 |
|
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134 |
If commoninc is given, it must be the result of a prior call to |
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135 |
findcommonincoming(repo, other, force) to avoid recomputing it here. |
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136 |
|
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137 |
If portable is given, compute more conservative common and missingheads, |
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138 |
to make bundles created from the instance more portable.''' |
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139 |
# declare an empty outgoing object to be filled later |
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140 |
og = outgoing(repo, None, None) |
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141 |
|
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142 |
# get common set if not provided |
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143 |
if commoninc is None: |
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144 |
commoninc = findcommonincoming(repo, other, force=force, |
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145 |
ancestorsof=onlyheads) |
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146 |
og.commonheads, _any, _hds = commoninc |
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147 |
|
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148 |
# compute outgoing |
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149 |
mayexclude = (repo._phasecache.phaseroots[phases.secret] or repo.obsstore) |
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150 |
if not mayexclude: |
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151 |
og.missingheads = onlyheads or repo.heads() |
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152 |
elif onlyheads is None: |
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153 |
# use visible heads as it should be cached |
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154 |
og.missingheads = repo.filtered("served").heads() |
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155 |
og.excluded = [ctx.node() for ctx in repo.set('secret() or extinct()')] |
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156 |
else: |
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157 |
# compute common, missing and exclude secret stuff |
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158 |
sets = repo.changelog.findcommonmissing(og.commonheads, onlyheads) |
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159 |
og._common, allmissing = sets |
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160 |
og._missing = missing = [] |
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161 |
og.excluded = excluded = [] |
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162 |
for node in allmissing: |
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163 |
ctx = repo[node] |
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164 |
if ctx.phase() >= phases.secret or ctx.extinct(): |
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165 |
excluded.append(node) |
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166 |
else: |
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167 |
missing.append(node) |
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168 |
if len(missing) == len(allmissing): |
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169 |
missingheads = onlyheads |
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170 |
else: # update missing heads |
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171 |
missingheads = phases.newheads(repo, onlyheads, excluded) |
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172 |
og.missingheads = missingheads |
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173 |
if portable: |
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174 |
# recompute common and missingheads as if -r<rev> had been given for |
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175 |
# each head of missing, and --base <rev> for each head of the proper |
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176 |
# ancestors of missing |
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177 |
og._computecommonmissing() |
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178 |
cl = repo.changelog |
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179 |
missingrevs = set(cl.rev(n) for n in og._missing) |
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180 |
og._common = set(cl.ancestors(missingrevs)) - missingrevs |
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181 |
commonheads = set(og.commonheads) |
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182 |
og.missingheads = [h for h in og.missingheads if h not in commonheads] |
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183 |
|
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184 |
return og |
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185 |
|
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186 |
def _headssummary(pushop): |
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187 |
"""compute a summary of branch and heads status before and after push |
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188 |
|
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189 |
return {'branch': ([remoteheads], [newheads], |
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190 |
[unsyncedheads], [discardedheads])} mapping |
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191 |
|
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192 |
- branch: the branch name, |
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193 |
- remoteheads: the list of remote heads known locally |
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194 |
None if the branch is new, |
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195 |
- newheads: the new remote heads (known locally) with outgoing pushed, |
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196 |
- unsyncedheads: the list of remote heads unknown locally, |
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197 |
- discardedheads: the list of heads made obsolete by the push. |
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198 |
""" |
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199 |
repo = pushop.repo.unfiltered() |
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200 |
remote = pushop.remote |
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201 |
outgoing = pushop.outgoing |
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202 |
cl = repo.changelog |
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203 |
headssum = {} |
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204 |
# A. Create set of branches involved in the push. |
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205 |
branches = set(repo[n].branch() for n in outgoing.missing) |
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206 |
remotemap = remote.branchmap() |
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207 |
newbranches = branches - set(remotemap) |
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208 |
branches.difference_update(newbranches) |
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209 |
|
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210 |
# A. register remote heads |
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211 |
remotebranches = set() |
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for branch, heads in remote.branchmap().iteritems(): |
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remotebranches.add(branch) |
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known = [] |
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unsynced = [] |
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knownnode = cl.hasnode # do not use nodemap until it is filtered |
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for h in heads: |
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if knownnode(h): |
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known.append(h) |
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else: |
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unsynced.append(h) |
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headssum[branch] = (known, list(known), unsynced) |
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223 |
# B. add new branch data |
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missingctx = list(repo[n] for n in outgoing.missing) |
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225 |
touchedbranches = set() |
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for ctx in missingctx: |
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branch = ctx.branch() |
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touchedbranches.add(branch) |
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if branch not in headssum: |
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headssum[branch] = (None, [], []) |
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231 |
|
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232 |
# C drop data about untouched branches: |
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for branch in remotebranches - touchedbranches: |
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234 |
del headssum[branch] |
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235 |
|
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# D. Update newmap with outgoing changes. |
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237 |
# This will possibly add new heads and remove existing ones. |
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newmap = branchmap.branchcache((branch, heads[1]) |
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for branch, heads in headssum.iteritems() |
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240 |
if heads[0] is not None) |
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241 |
newmap.update(repo, (ctx.rev() for ctx in missingctx)) |
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242 |
for branch, newheads in newmap.iteritems(): |
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headssum[branch][1][:] = newheads |
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244 |
for branch, items in headssum.iteritems(): |
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for l in items: |
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if l is not None: |
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l.sort() |
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headssum[branch] = items + ([],) |
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249 |
|
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250 |
# If there are no obsstore, no post processing are needed. |
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251 |
if repo.obsstore: |
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252 |
torev = repo.changelog.rev |
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futureheads = set(torev(h) for h in outgoing.missingheads) |
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futureheads |= set(torev(h) for h in outgoing.commonheads) |
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allfuturecommon = repo.changelog.ancestors(futureheads, inclusive=True) |
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256 |
for branch, heads in sorted(headssum.iteritems()): |
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257 |
remoteheads, newheads, unsyncedheads, placeholder = heads |
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result = _postprocessobsolete(pushop, allfuturecommon, newheads) |
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headssum[branch] = (remoteheads, sorted(result[0]), unsyncedheads, |
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260 |
sorted(result[1])) |
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261 |
return headssum |
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262 |
|
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263 |
def _oldheadssummary(repo, remoteheads, outgoing, inc=False): |
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264 |
"""Compute branchmapsummary for repo without branchmap support""" |
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265 |
|
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266 |
# 1-4b. old servers: Check for new topological heads. |
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267 |
# Construct {old,new}map with branch = None (topological branch). |
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268 |
# (code based on update) |
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269 |
knownnode = repo.changelog.hasnode # no nodemap until it is filtered |
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oldheads = sorted(h for h in remoteheads if knownnode(h)) |
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271 |
# all nodes in outgoing.missing are children of either: |
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272 |
# - an element of oldheads |
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273 |
# - another element of outgoing.missing |
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274 |
# - nullrev |
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275 |
# This explains why the new head are very simple to compute. |
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276 |
r = repo.set('heads(%ln + %ln)', oldheads, outgoing.missing) |
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277 |
newheads = sorted(c.node() for c in r) |
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278 |
# set some unsynced head to issue the "unsynced changes" warning |
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279 |
if inc: |
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280 |
unsynced = [None] |
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281 |
else: |
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282 |
unsynced = [] |
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283 |
return {None: (oldheads, newheads, unsynced, [])} |
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284 |
|
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285 |
def _nowarnheads(pushop): |
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286 |
# Compute newly pushed bookmarks. We don't warn about bookmarked heads. |
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287 |
repo = pushop.repo.unfiltered() |
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288 |
remote = pushop.remote |
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289 |
localbookmarks = repo._bookmarks |
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290 |
remotebookmarks = remote.listkeys('bookmarks') |
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291 |
bookmarkedheads = set() |
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292 |
|
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293 |
# internal config: bookmarks.pushing |
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294 |
newbookmarks = [localbookmarks.expandname(b) |
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295 |
for b in pushop.ui.configlist('bookmarks', 'pushing')] |
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296 |
|
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297 |
for bm in localbookmarks: |
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298 |
rnode = remotebookmarks.get(bm) |
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299 |
if rnode and rnode in repo: |
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300 |
lctx, rctx = repo[bm], repo[rnode] |
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301 |
if bookmarks.validdest(repo, rctx, lctx): |
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302 |
bookmarkedheads.add(lctx.node()) |
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303 |
else: |
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304 |
if bm in newbookmarks and bm not in remotebookmarks: |
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305 |
bookmarkedheads.add(repo[bm].node()) |
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306 |
|
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307 |
return bookmarkedheads |
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308 |
|
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309 |
def checkheads(pushop): |
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310 |
"""Check that a push won't add any outgoing head |
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311 |
|
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312 |
raise Abort error and display ui message as needed. |
4154338f0bc0
discovery: diet discovery.prepush from non-discovery code
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diff
changeset
|
313 |
""" |
26935
c4a7bbc78c74
exchange: pass pushop to discovery.checkheads
Ryan McElroy <rmcelroy@fb.com>
parents:
26862
diff
changeset
|
314 |
|
c4a7bbc78c74
exchange: pass pushop to discovery.checkheads
Ryan McElroy <rmcelroy@fb.com>
parents:
26862
diff
changeset
|
315 |
repo = pushop.repo.unfiltered() |
c4a7bbc78c74
exchange: pass pushop to discovery.checkheads
Ryan McElroy <rmcelroy@fb.com>
parents:
26862
diff
changeset
|
316 |
remote = pushop.remote |
c4a7bbc78c74
exchange: pass pushop to discovery.checkheads
Ryan McElroy <rmcelroy@fb.com>
parents:
26862
diff
changeset
|
317 |
outgoing = pushop.outgoing |
c4a7bbc78c74
exchange: pass pushop to discovery.checkheads
Ryan McElroy <rmcelroy@fb.com>
parents:
26862
diff
changeset
|
318 |
remoteheads = pushop.remoteheads |
c4a7bbc78c74
exchange: pass pushop to discovery.checkheads
Ryan McElroy <rmcelroy@fb.com>
parents:
26862
diff
changeset
|
319 |
newbranch = pushop.newbranch |
c4a7bbc78c74
exchange: pass pushop to discovery.checkheads
Ryan McElroy <rmcelroy@fb.com>
parents:
26862
diff
changeset
|
320 |
inc = bool(pushop.incoming) |
c4a7bbc78c74
exchange: pass pushop to discovery.checkheads
Ryan McElroy <rmcelroy@fb.com>
parents:
26862
diff
changeset
|
321 |
|
17209
5cd3e526ac37
checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17206
diff
changeset
|
322 |
# Check for each named branch if we're creating new remote heads. |
5cd3e526ac37
checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17206
diff
changeset
|
323 |
# To be a remote head after push, node must be either: |
5cd3e526ac37
checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17206
diff
changeset
|
324 |
# - unknown locally |
5cd3e526ac37
checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17206
diff
changeset
|
325 |
# - a local outgoing head descended from update |
5cd3e526ac37
checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17206
diff
changeset
|
326 |
# - a remote head that's known locally and not |
5cd3e526ac37
checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17206
diff
changeset
|
327 |
# ancestral to an outgoing head |
15932
4154338f0bc0
discovery: diet discovery.prepush from non-discovery code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
15893
diff
changeset
|
328 |
if remoteheads == [nullid]: |
4154338f0bc0
discovery: diet discovery.prepush from non-discovery code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
15893
diff
changeset
|
329 |
# remote is empty, nothing to check. |
4154338f0bc0
discovery: diet discovery.prepush from non-discovery code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
15893
diff
changeset
|
330 |
return |
2439
e8c4f3d3df8c
extend network protocol to stop clients from locking servers
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2424
diff
changeset
|
331 |
|
15932
4154338f0bc0
discovery: diet discovery.prepush from non-discovery code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
15893
diff
changeset
|
332 |
if remote.capable('branchmap'): |
32706
993f58db2045
headssummary: directly feed the function with the 'pushop' object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32705
diff
changeset
|
333 |
headssum = _headssummary(pushop) |
17209
5cd3e526ac37
checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17206
diff
changeset
|
334 |
else: |
17211
4f321eecbf8d
checkheads: simplify the structure build by preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17209
diff
changeset
|
335 |
headssum = _oldheadssummary(repo, remoteheads, outgoing, inc) |
32709
16ada4cbb1a9
push: add a way to allow concurrent pushes on unrelated heads
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32708
diff
changeset
|
336 |
pushop.pushbranchmap = headssum |
17211
4f321eecbf8d
checkheads: simplify the structure build by preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17209
diff
changeset
|
337 |
newbranches = [branch for branch, heads in headssum.iteritems() |
4f321eecbf8d
checkheads: simplify the structure build by preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17209
diff
changeset
|
338 |
if heads[0] is None] |
17209
5cd3e526ac37
checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17206
diff
changeset
|
339 |
# 1. Check for new branches on the remote. |
5cd3e526ac37
checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17206
diff
changeset
|
340 |
if newbranches and not newbranch: # new branch requires --new-branch |
5cd3e526ac37
checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17206
diff
changeset
|
341 |
branchnames = ', '.join(sorted(newbranches)) |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26585
diff
changeset
|
342 |
raise error.Abort(_("push creates new remote branches: %s!") |
17209
5cd3e526ac37
checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17206
diff
changeset
|
343 |
% branchnames, |
5cd3e526ac37
checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17206
diff
changeset
|
344 |
hint=_("use 'hg push --new-branch' to create" |
5cd3e526ac37
checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17206
diff
changeset
|
345 |
" new remote branches")) |
1466
b6d9ea0bc107
Added a lot of comments to changegroupsubset.
Eric Hopper <hopper@omnifarious.org>
parents:
1464
diff
changeset
|
346 |
|
26862
894f54d84d4a
discovery: factor out calculation of heads to not warn about
Ryan McElroy <rmcelroy@fb.com>
parents:
26819
diff
changeset
|
347 |
# 2. Find heads that we need not warn about |
26936
d47ac02fcefa
discovery: pass pushop to _nowarnheads
Ryan McElroy <rmcelroy@fb.com>
parents:
26935
diff
changeset
|
348 |
nowarnheads = _nowarnheads(pushop) |
17212
246131d670c2
checkheads: extract bookmark computation from the branch loop
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17211
diff
changeset
|
349 |
|
246131d670c2
checkheads: extract bookmark computation from the branch loop
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17211
diff
changeset
|
350 |
# 3. Check for new heads. |
15932
4154338f0bc0
discovery: diet discovery.prepush from non-discovery code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
15893
diff
changeset
|
351 |
# If there are more heads after the push than before, a suitable |
4154338f0bc0
discovery: diet discovery.prepush from non-discovery code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
15893
diff
changeset
|
352 |
# error message, depending on unsynced status, is displayed. |
26585
b38d93735a4f
discovery: rename 'error' to 'errormsg'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25944
diff
changeset
|
353 |
errormsg = None |
18361
06f075836010
discovery: process heads in sorted order
Mads Kiilerich <mads@kiilerich.com>
parents:
18305
diff
changeset
|
354 |
for branch, heads in sorted(headssum.iteritems()): |
32708
90cb4ec8df64
headsummary: expose the 'discardedheads' set in the headssummary
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32707
diff
changeset
|
355 |
remoteheads, newheads, unsyncedheads, discardedheads = heads |
17214
738ad56dd8a6
checkheads: take future obsoleted heads into account
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17212
diff
changeset
|
356 |
# add unsynced data |
20381
fff0a71f8177
discovery: cleanup of variable names and comments
Mads Kiilerich <madski@unity3d.com>
parents:
20225
diff
changeset
|
357 |
if remoteheads is None: |
19840
b00ba31313c3
discovery: abort also when pushing multiple headed new branch
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
18382
diff
changeset
|
358 |
oldhs = set() |
b00ba31313c3
discovery: abort also when pushing multiple headed new branch
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
18382
diff
changeset
|
359 |
else: |
20381
fff0a71f8177
discovery: cleanup of variable names and comments
Mads Kiilerich <madski@unity3d.com>
parents:
20225
diff
changeset
|
360 |
oldhs = set(remoteheads) |
fff0a71f8177
discovery: cleanup of variable names and comments
Mads Kiilerich <madski@unity3d.com>
parents:
20225
diff
changeset
|
361 |
oldhs.update(unsyncedheads) |
fff0a71f8177
discovery: cleanup of variable names and comments
Mads Kiilerich <madski@unity3d.com>
parents:
20225
diff
changeset
|
362 |
dhs = None # delta heads, the new heads on branch |
32675
fc9296c15112
checkheads: simplify the code around obsolescence post-processing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32674
diff
changeset
|
363 |
newhs = set(newheads) |
32673
bd966b9f3274
checkheads: clarify that we no longer touch the head unknown locally
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32672
diff
changeset
|
364 |
newhs.update(unsyncedheads) |
32674
7a7c4f3afb98
checkheads: drop now unused filtering of 'unsyncedheads'
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32673
diff
changeset
|
365 |
if unsyncedheads: |
7a7c4f3afb98
checkheads: drop now unused filtering of 'unsyncedheads'
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32673
diff
changeset
|
366 |
if None in unsyncedheads: |
22178
70383c6961b4
discovery: prevent crash on unknown remote heads with old repo (issue4337)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21580
diff
changeset
|
367 |
# old remote, no heads data |
70383c6961b4
discovery: prevent crash on unknown remote heads with old repo (issue4337)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21580
diff
changeset
|
368 |
heads = None |
21198
56a04085c23c
discovery: don't report all "unsynced" remote heads (issue4230)
Mads Kiilerich <madski@unity3d.com>
parents:
20502
diff
changeset
|
369 |
else: |
35184
bc775b8cc020
scmutil: extra utility to display a reasonable amount of nodes
Boris Feld <boris.feld@octobus.net>
parents:
32792
diff
changeset
|
370 |
heads = scmutil.nodesummaries(repo, unsyncedheads) |
22178
70383c6961b4
discovery: prevent crash on unknown remote heads with old repo (issue4337)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21580
diff
changeset
|
371 |
if heads is None: |
70383c6961b4
discovery: prevent crash on unknown remote heads with old repo (issue4337)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21580
diff
changeset
|
372 |
repo.ui.status(_("remote has heads that are " |
70383c6961b4
discovery: prevent crash on unknown remote heads with old repo (issue4337)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21580
diff
changeset
|
373 |
"not known locally\n")) |
70383c6961b4
discovery: prevent crash on unknown remote heads with old repo (issue4337)
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21580
diff
changeset
|
374 |
elif branch is None: |
20502
7648e9aef6ee
discovery: make "note: unsynced remote changes!" less serious than a warning
Mads Kiilerich <madski@unity3d.com>
parents:
20501
diff
changeset
|
375 |
repo.ui.status(_("remote has heads that are " |
7648e9aef6ee
discovery: make "note: unsynced remote changes!" less serious than a warning
Mads Kiilerich <madski@unity3d.com>
parents:
20501
diff
changeset
|
376 |
"not known locally: %s\n") % heads) |
20501
8a9e0b523d2d
discovery: improve "note: unsynced remote changes!" warning
Mads Kiilerich <madski@unity3d.com>
parents:
20403
diff
changeset
|
377 |
else: |
20502
7648e9aef6ee
discovery: make "note: unsynced remote changes!" less serious than a warning
Mads Kiilerich <madski@unity3d.com>
parents:
20501
diff
changeset
|
378 |
repo.ui.status(_("remote has heads on branch '%s' that are " |
7648e9aef6ee
discovery: make "note: unsynced remote changes!" less serious than a warning
Mads Kiilerich <madski@unity3d.com>
parents:
20501
diff
changeset
|
379 |
"not known locally: %s\n") % (branch, heads)) |
20381
fff0a71f8177
discovery: cleanup of variable names and comments
Mads Kiilerich <madski@unity3d.com>
parents:
20225
diff
changeset
|
380 |
if remoteheads is None: |
fff0a71f8177
discovery: cleanup of variable names and comments
Mads Kiilerich <madski@unity3d.com>
parents:
20225
diff
changeset
|
381 |
if len(newhs) > 1: |
19840
b00ba31313c3
discovery: abort also when pushing multiple headed new branch
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
18382
diff
changeset
|
382 |
dhs = list(newhs) |
26585
b38d93735a4f
discovery: rename 'error' to 'errormsg'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25944
diff
changeset
|
383 |
if errormsg is None: |
b38d93735a4f
discovery: rename 'error' to 'errormsg'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25944
diff
changeset
|
384 |
errormsg = (_("push creates new branch '%s' " |
b38d93735a4f
discovery: rename 'error' to 'errormsg'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25944
diff
changeset
|
385 |
"with multiple heads") % (branch)) |
19840
b00ba31313c3
discovery: abort also when pushing multiple headed new branch
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
18382
diff
changeset
|
386 |
hint = _("merge or" |
29973
4ddb05751b12
discovery: use single quotes in use warning
timeless <timeless@mozdev.org>
parents:
29901
diff
changeset
|
387 |
" see 'hg help push' for details about" |
19840
b00ba31313c3
discovery: abort also when pushing multiple headed new branch
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
18382
diff
changeset
|
388 |
" pushing new heads") |
b00ba31313c3
discovery: abort also when pushing multiple headed new branch
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
18382
diff
changeset
|
389 |
elif len(newhs) > len(oldhs): |
20381
fff0a71f8177
discovery: cleanup of variable names and comments
Mads Kiilerich <madski@unity3d.com>
parents:
20225
diff
changeset
|
390 |
# remove bookmarked or existing remote heads from the new heads list |
26862
894f54d84d4a
discovery: factor out calculation of heads to not warn about
Ryan McElroy <rmcelroy@fb.com>
parents:
26819
diff
changeset
|
391 |
dhs = sorted(newhs - nowarnheads - oldhs) |
16835
4267c840c481
bookmarks: allow existing remote bookmarks to become heads when pushing
Levi Bard <levi@unity3d.com>
parents:
16746
diff
changeset
|
392 |
if dhs: |
26585
b38d93735a4f
discovery: rename 'error' to 'errormsg'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25944
diff
changeset
|
393 |
if errormsg is None: |
15932
4154338f0bc0
discovery: diet discovery.prepush from non-discovery code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
15893
diff
changeset
|
394 |
if branch not in ('default', None): |
26585
b38d93735a4f
discovery: rename 'error' to 'errormsg'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25944
diff
changeset
|
395 |
errormsg = _("push creates new remote head %s " |
b38d93735a4f
discovery: rename 'error' to 'errormsg'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25944
diff
changeset
|
396 |
"on branch '%s'!") % (short(dhs[0]), branch) |
21580
32601b0b74c0
discovery: if a push would create a new head, mention the bookmark name if any
Stephen Lee <sphen.lee@gmail.com>
parents:
21198
diff
changeset
|
397 |
elif repo[dhs[0]].bookmarks(): |
26585
b38d93735a4f
discovery: rename 'error' to 'errormsg'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25944
diff
changeset
|
398 |
errormsg = _("push creates new remote head %s " |
b38d93735a4f
discovery: rename 'error' to 'errormsg'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25944
diff
changeset
|
399 |
"with bookmark '%s'!") % ( |
b38d93735a4f
discovery: rename 'error' to 'errormsg'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25944
diff
changeset
|
400 |
short(dhs[0]), repo[dhs[0]].bookmarks()[0]) |
15932
4154338f0bc0
discovery: diet discovery.prepush from non-discovery code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
15893
diff
changeset
|
401 |
else: |
26585
b38d93735a4f
discovery: rename 'error' to 'errormsg'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25944
diff
changeset
|
402 |
errormsg = _("push creates new remote head %s!" |
b38d93735a4f
discovery: rename 'error' to 'errormsg'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25944
diff
changeset
|
403 |
) % short(dhs[0]) |
20381
fff0a71f8177
discovery: cleanup of variable names and comments
Mads Kiilerich <madski@unity3d.com>
parents:
20225
diff
changeset
|
404 |
if unsyncedheads: |
19934
bfc6ed892349
push: hide description about "-f" in the hint to prevent from using it easily
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
19840
diff
changeset
|
405 |
hint = _("pull and merge or" |
29973
4ddb05751b12
discovery: use single quotes in use warning
timeless <timeless@mozdev.org>
parents:
29901
diff
changeset
|
406 |
" see 'hg help push' for details about" |
19934
bfc6ed892349
push: hide description about "-f" in the hint to prevent from using it easily
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
19840
diff
changeset
|
407 |
" pushing new heads") |
15932
4154338f0bc0
discovery: diet discovery.prepush from non-discovery code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
15893
diff
changeset
|
408 |
else: |
19934
bfc6ed892349
push: hide description about "-f" in the hint to prevent from using it easily
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
19840
diff
changeset
|
409 |
hint = _("merge or" |
29973
4ddb05751b12
discovery: use single quotes in use warning
timeless <timeless@mozdev.org>
parents:
29901
diff
changeset
|
410 |
" see 'hg help push' for details about" |
19934
bfc6ed892349
push: hide description about "-f" in the hint to prevent from using it easily
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
19840
diff
changeset
|
411 |
" pushing new heads") |
20051
b988b3b19303
discovery: make note messages for new heads more readable
Mads Kiilerich <madski@unity3d.com>
parents:
20050
diff
changeset
|
412 |
if branch is None: |
b988b3b19303
discovery: make note messages for new heads more readable
Mads Kiilerich <madski@unity3d.com>
parents:
20050
diff
changeset
|
413 |
repo.ui.note(_("new remote heads:\n")) |
b988b3b19303
discovery: make note messages for new heads more readable
Mads Kiilerich <madski@unity3d.com>
parents:
20050
diff
changeset
|
414 |
else: |
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|
415 |
repo.ui.note(_("new remote heads on branch '%s':\n") % branch) |
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discovery: diet discovery.prepush from non-discovery code
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|
416 |
for h in dhs: |
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|
417 |
repo.ui.note((" %s\n") % short(h)) |
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|
418 |
if errormsg: |
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|
419 |
raise error.Abort(errormsg, hint=hint) |
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420 |
|
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|
421 |
def _postprocessobsolete(pushop, futurecommon, candidate_newhs): |
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422 |
"""post process the list of new heads with obsolescence information |
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423 |
|
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|
424 |
Exists as a sub-function to contain the complexity and allow extensions to |
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|
425 |
experiment with smarter logic. |
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|
426 |
|
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|
427 |
Returns (newheads, discarded_heads) tuple |
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|
428 |
""" |
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|
429 |
# known issue |
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|
430 |
# |
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|
431 |
# * We "silently" skip processing on all changeset unknown locally |
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432 |
# |
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|
433 |
# * if <nh> is public on the remote, it won't be affected by obsolete |
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|
434 |
# marker and a new is created |
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|
435 |
|
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|
436 |
# define various utilities and containers |
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|
437 |
repo = pushop.repo |
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|
438 |
unfi = repo.unfiltered() |
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|
439 |
tonode = unfi.changelog.node |
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440 |
torev = unfi.changelog.nodemap.get |
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|
441 |
public = phases.public |
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|
442 |
getphase = unfi._phasecache.phase |
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443 |
ispublic = (lambda r: getphase(unfi, r) == public) |
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|
444 |
ispushed = (lambda n: torev(n) in futurecommon) |
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|
445 |
hasoutmarker = functools.partial(pushingmarkerfor, unfi.obsstore, ispushed) |
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|
446 |
successorsmarkers = unfi.obsstore.successors |
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|
447 |
newhs = set() # final set of new heads |
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|
448 |
discarded = set() # new head of fully replaced branch |
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|
449 |
|
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|
450 |
localcandidate = set() # candidate heads known locally |
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|
451 |
unknownheads = set() # candidate heads unknown locally |
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|
452 |
for h in candidate_newhs: |
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|
453 |
if h in unfi: |
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|
454 |
localcandidate.add(h) |
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|
455 |
else: |
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|
456 |
if successorsmarkers.get(h) is not None: |
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|
457 |
msg = ('checkheads: remote head unknown locally has' |
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|
458 |
' local marker: %s\n') |
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|
459 |
repo.ui.debug(msg % hex(h)) |
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|
460 |
unknownheads.add(h) |
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|
461 |
|
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|
462 |
# fast path the simple case |
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|
463 |
if len(localcandidate) == 1: |
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|
464 |
return unknownheads | set(candidate_newhs), set() |
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|
465 |
|
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|
466 |
# actually process branch replacement |
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|
467 |
while localcandidate: |
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|
468 |
nh = localcandidate.pop() |
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|
469 |
# run this check early to skip the evaluation of the whole branch |
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|
470 |
if (torev(nh) in futurecommon or ispublic(torev(nh))): |
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|
471 |
newhs.add(nh) |
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|
472 |
continue |
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|
473 |
|
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|
474 |
# Get all revs/nodes on the branch exclusive to this head |
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|
475 |
# (already filtered heads are "ignored")) |
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|
476 |
branchrevs = unfi.revs('only(%n, (%ln+%ln))', |
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|
477 |
nh, localcandidate, newhs) |
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|
478 |
branchnodes = [tonode(r) for r in branchrevs] |
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|
479 |
|
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|
480 |
# The branch won't be hidden on the remote if |
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|
481 |
# * any part of it is public, |
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|
482 |
# * any part of it is considered part of the result by previous logic, |
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|
483 |
# * if we have no markers to push to obsolete it. |
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|
484 |
if (any(ispublic(r) for r in branchrevs) |
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|
485 |
or any(torev(n) in futurecommon for n in branchnodes) |
32009
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|
486 |
or any(not hasoutmarker(n) for n in branchnodes)): |
31586
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|
487 |
newhs.add(nh) |
df82f375fa00
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|
488 |
else: |
32009
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|
489 |
# note: there is a corner case if there is a merge in the branch. |
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|
490 |
# we might end up with -more- heads. However, these heads are not |
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|
491 |
# "added" by the push, but more by the "removal" on the remote so I |
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|
492 |
# think is a okay to ignore them, |
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|
493 |
discarded.add(nh) |
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|
494 |
newhs |= unknownheads |
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|
495 |
return newhs, discarded |
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496 |
|
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|
497 |
def pushingmarkerfor(obsstore, ispushed, node): |
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498 |
"""true if some markers are to be pushed for node |
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|
499 |
|
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|
500 |
We cannot just look in to the pushed obsmarkers from the pushop because |
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|
501 |
discovery might have filtered relevant markers. In addition listing all |
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|
502 |
markers relevant to all changesets in the pushed set would be too expensive |
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|
503 |
(O(len(repo))) |
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504 |
|
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|
505 |
(note: There are cache opportunity in this function. but it would requires |
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|
506 |
a two dimensional stack.) |
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|
507 |
""" |
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|
508 |
successorsmarkers = obsstore.successors |
c6cb21ddf74a
checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31586
diff
changeset
|
509 |
stack = [node] |
c6cb21ddf74a
checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31586
diff
changeset
|
510 |
seen = set(stack) |
c6cb21ddf74a
checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31586
diff
changeset
|
511 |
while stack: |
c6cb21ddf74a
checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31586
diff
changeset
|
512 |
current = stack.pop() |
32789
443e8543a125
checkheads: pass "ispushed" function to the obsmarkers logic
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
32709
diff
changeset
|
513 |
if ispushed(current): |
32009
c6cb21ddf74a
checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31586
diff
changeset
|
514 |
return True |
c6cb21ddf74a
checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31586
diff
changeset
|
515 |
markers = successorsmarkers.get(current, ()) |
c6cb21ddf74a
checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31586
diff
changeset
|
516 |
# markers fields = ('prec', 'succs', 'flag', 'meta', 'date', 'parents') |
c6cb21ddf74a
checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31586
diff
changeset
|
517 |
for m in markers: |
c6cb21ddf74a
checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31586
diff
changeset
|
518 |
nexts = m[1] # successors |
c6cb21ddf74a
checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31586
diff
changeset
|
519 |
if not nexts: # this is a prune marker |
32095
c52728b383b4
discovery: prevent crash caused by prune marker having no parent data
Yuya Nishihara <yuya@tcha.org>
parents:
32009
diff
changeset
|
520 |
nexts = m[5] or () # parents |
32009
c6cb21ddf74a
checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31586
diff
changeset
|
521 |
for n in nexts: |
c6cb21ddf74a
checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31586
diff
changeset
|
522 |
if n not in seen: |
c6cb21ddf74a
checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31586
diff
changeset
|
523 |
seen.add(n) |
c6cb21ddf74a
checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31586
diff
changeset
|
524 |
stack.append(n) |
c6cb21ddf74a
checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31586
diff
changeset
|
525 |
return False |