annotate mercurial/discovery.py @ 40793:64cdfcc73706

cache: create `cache` directory at init time The cache directory will be needed very quickly, so it seems simpler to create it early to make sure it has the same owner and permission than the other directory in the repository.
author Boris Feld <boris.feld@octobus.net>
date Thu, 15 Nov 2018 02:38:55 +0100
parents 1964d2d1f421
children eb7ce452e0fb
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1 # discovery.py - protocol changeset discovery functions
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2 #
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3 # Copyright 2010 Matt Mackall <mpm@selenic.com>
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4 #
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5 # This software may be used and distributed according to the terms of the
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6 # GNU General Public License version 2 or any later version.
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7
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8 from __future__ import absolute_import
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9
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10 import functools
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11
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12 from .i18n import _
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13 from .node import (
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14 hex,
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15 nullid,
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16 short,
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17 )
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18
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19 from . import (
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20 bookmarks,
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21 branchmap,
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22 error,
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23 phases,
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24 scmutil,
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25 setdiscovery,
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26 treediscovery,
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27 util,
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28 )
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29
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30 def findcommonincoming(repo, remote, heads=None, force=False, ancestorsof=None):
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31 """Return a tuple (common, anyincoming, heads) used to identify the common
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32 subset of nodes between repo and remote.
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33
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34 "common" is a list of (at least) the heads of the common subset.
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35 "anyincoming" is testable as a boolean indicating if any nodes are missing
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36 locally. If remote does not support getbundle, this actually is a list of
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37 roots of the nodes that would be incoming, to be supplied to
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38 changegroupsubset. No code except for pull should be relying on this fact
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39 any longer.
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40 "heads" is either the supplied heads, or else the remote's heads.
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41 "ancestorsof" if not None, restrict the discovery to a subset defined by
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42 these nodes. Changeset outside of this set won't be considered (and
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43 won't appears in "common")
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44
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45 If you pass heads and they are all known locally, the response lists just
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46 these heads in "common" and in "heads".
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47
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48 Please use findcommonoutgoing to compute the set of outgoing nodes to give
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49 extensions a good hook into outgoing.
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50 """
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51
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52 if not remote.capable('getbundle'):
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53 return treediscovery.findcommonincoming(repo, remote, heads, force)
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54
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55 if heads:
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56 knownnode = repo.changelog.hasnode # no nodemap until it is filtered
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57 if all(knownnode(h) for h in heads):
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58 return (heads, False, heads)
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59
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60 res = setdiscovery.findcommonheads(repo.ui, repo, remote,
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61 abortwhenunrelated=not force,
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62 ancestorsof=ancestorsof)
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63 common, anyinc, srvheads = res
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64 return (list(common), anyinc, heads or list(srvheads))
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65
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66 class outgoing(object):
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67 '''Represents the set of nodes present in a local repo but not in a
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68 (possibly) remote one.
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69
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70 Members:
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71
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72 missing is a list of all nodes present in local but not in remote.
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73 common is a list of all nodes shared between the two repos.
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74 excluded is the list of missing changeset that shouldn't be sent remotely.
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75 missingheads is the list of heads of missing.
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76 commonheads is the list of heads of common.
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77
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78 The sets are computed on demand from the heads, unless provided upfront
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79 by discovery.'''
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80
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81 def __init__(self, repo, commonheads=None, missingheads=None,
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82 missingroots=None):
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83 # at least one of them must not be set
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84 assert None in (commonheads, missingroots)
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85 cl = repo.changelog
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86 if missingheads is None:
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87 missingheads = cl.heads()
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88 if missingroots:
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89 discbases = []
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90 for n in missingroots:
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91 discbases.extend([p for p in cl.parents(n) if p != nullid])
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92 # TODO remove call to nodesbetween.
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93 # TODO populate attributes on outgoing instance instead of setting
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94 # discbases.
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95 csets, roots, heads = cl.nodesbetween(missingroots, missingheads)
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96 included = set(csets)
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97 missingheads = heads
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98 commonheads = [n for n in discbases if n not in included]
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99 elif not commonheads:
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100 commonheads = [nullid]
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101 self.commonheads = commonheads
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102 self.missingheads = missingheads
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103 self._revlog = cl
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104 self._common = None
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105 self._missing = None
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106 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
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125 def findcommonoutgoing(repo, other, onlyheads=None, force=False,
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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
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130 If onlyheads is given, only nodes ancestral to nodes in onlyheads
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131 (inclusive) are included. If you already know the local repo's heads,
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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 """
32706
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199 repo = pushop.repo.unfiltered()
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diff changeset
200 remote = pushop.remote
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diff changeset
201 outgoing = pushop.outgoing
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diff changeset
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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diff changeset
205 branches = set(repo[n].branch() for n in outgoing.missing)
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diff changeset
206
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parents: 37636
diff changeset
207 with remote.commandexecutor() as e:
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diff changeset
208 remotemap = e.callcommand('branchmap', {}).result()
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diff changeset
209
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diff changeset
210 newbranches = branches - set(remotemap)
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diff changeset
211 branches.difference_update(newbranches)
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diff changeset
212
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213 # A. register remote heads
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214 remotebranches = set()
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diff changeset
215 for branch, heads in remotemap.iteritems():
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diff changeset
216 remotebranches.add(branch)
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217 known = []
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diff changeset
218 unsynced = []
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diff changeset
219 knownnode = cl.hasnode # do not use nodemap until it is filtered
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diff changeset
220 for h in heads:
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diff changeset
221 if knownnode(h):
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diff changeset
222 known.append(h)
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223 else:
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diff changeset
224 unsynced.append(h)
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225 headssum[branch] = (known, list(known), unsynced)
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226 # B. add new branch data
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227 missingctx = list(repo[n] for n in outgoing.missing)
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228 touchedbranches = set()
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229 for ctx in missingctx:
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diff changeset
230 branch = ctx.branch()
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diff changeset
231 touchedbranches.add(branch)
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diff changeset
232 if branch not in headssum:
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diff changeset
233 headssum[branch] = (None, [], [])
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diff changeset
234
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diff changeset
235 # C drop data about untouched branches:
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diff changeset
236 for branch in remotebranches - touchedbranches:
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diff changeset
237 del headssum[branch]
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diff changeset
238
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diff changeset
239 # D. Update newmap with outgoing changes.
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diff changeset
240 # This will possibly add new heads and remove existing ones.
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diff changeset
241 newmap = branchmap.branchcache((branch, heads[1])
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diff changeset
242 for branch, heads in headssum.iteritems()
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parents: 18120
diff changeset
243 if heads[0] is not None)
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diff changeset
244 newmap.update(repo, (ctx.rev() for ctx in missingctx))
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diff changeset
245 for branch, newheads in newmap.iteritems():
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diff changeset
246 headssum[branch][1][:] = newheads
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diff changeset
247 for branch, items in headssum.iteritems():
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parents: 32671
diff changeset
248 for l in items:
315d74d0f059 headssummary: ensure all returned lists are sorted
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32671
diff changeset
249 if l is not None:
315d74d0f059 headssummary: ensure all returned lists are sorted
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32671
diff changeset
250 l.sort()
32708
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32707
diff changeset
251 headssum[branch] = items + ([],)
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32707
diff changeset
252
32707
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32706
diff changeset
253 # If there are no obsstore, no post processing are needed.
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32706
diff changeset
254 if repo.obsstore:
32791
1cb14923dee9 checkheads: use "revnum" in the "allfuturecommon" set
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32790
diff changeset
255 torev = repo.changelog.rev
32792
4374e88e808c checkheads: use a "lazyancestors" object for allfuturecommon
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32791
diff changeset
256 futureheads = set(torev(h) for h in outgoing.missingheads)
4374e88e808c checkheads: use a "lazyancestors" object for allfuturecommon
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32791
diff changeset
257 futureheads |= set(torev(h) for h in outgoing.commonheads)
4374e88e808c checkheads: use a "lazyancestors" object for allfuturecommon
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32791
diff changeset
258 allfuturecommon = repo.changelog.ancestors(futureheads, inclusive=True)
32707
32c8f98aebf4 checkheads: perform obsolescence post processing directly in _headssummary
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32706
diff changeset
259 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
260 remoteheads, newheads, unsyncedheads, placeholder = heads
32707
32c8f98aebf4 checkheads: perform obsolescence post processing directly in _headssummary
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32706
diff changeset
261 result = _postprocessobsolete(pushop, allfuturecommon, newheads)
32708
90cb4ec8df64 headsummary: expose the 'discardedheads' set in the headssummary
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32707
diff changeset
262 headssum[branch] = (remoteheads, sorted(result[0]), unsyncedheads,
90cb4ec8df64 headsummary: expose the 'discardedheads' set in the headssummary
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32707
diff changeset
263 sorted(result[1]))
17211
4f321eecbf8d checkheads: simplify the structure build by preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17209
diff changeset
264 return headssum
17209
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Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17206
diff changeset
265
17211
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Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17209
diff changeset
266 def _oldheadssummary(repo, remoteheads, outgoing, inc=False):
17209
5cd3e526ac37 checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17206
diff changeset
267 """Compute branchmapsummary for repo without branchmap support"""
5cd3e526ac37 checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17206
diff changeset
268
5cd3e526ac37 checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17206
diff changeset
269 # 1-4b. old servers: Check for new topological heads.
5cd3e526ac37 checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17206
diff changeset
270 # Construct {old,new}map with branch = None (topological branch).
18120
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Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18104
diff changeset
271 # (code based on update)
20225
d2704c48f417 discovery: stop using nodemap for membership testing
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 20184
diff changeset
272 knownnode = repo.changelog.hasnode # no nodemap until it is filtered
32672
315d74d0f059 headssummary: ensure all returned lists are sorted
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32671
diff changeset
273 oldheads = sorted(h for h in remoteheads if knownnode(h))
17209
5cd3e526ac37 checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17206
diff changeset
274 # all nodes in outgoing.missing are children of either:
5cd3e526ac37 checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17206
diff changeset
275 # - an element of oldheads
5cd3e526ac37 checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17206
diff changeset
276 # - another element of outgoing.missing
5cd3e526ac37 checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17206
diff changeset
277 # - nullrev
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Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17206
diff changeset
278 # This explains why the new head are very simple to compute.
5cd3e526ac37 checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17206
diff changeset
279 r = repo.set('heads(%ln + %ln)', oldheads, outgoing.missing)
32672
315d74d0f059 headssummary: ensure all returned lists are sorted
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32671
diff changeset
280 newheads = sorted(c.node() for c in r)
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
281 # set some unsynced head to issue the "unsynced changes" warning
24306
6ddc86eedc3b style: kill ersatz if-else ternary operators
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 22178
diff changeset
282 if inc:
32671
81cbfaea1e0f discovery: also use lists for the returns of '_oldheadssummary'
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32331
diff changeset
283 unsynced = [None]
24306
6ddc86eedc3b style: kill ersatz if-else ternary operators
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 22178
diff changeset
284 else:
32671
81cbfaea1e0f discovery: also use lists for the returns of '_oldheadssummary'
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32331
diff changeset
285 unsynced = []
32708
90cb4ec8df64 headsummary: expose the 'discardedheads' set in the headssummary
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32707
diff changeset
286 return {None: (oldheads, newheads, unsynced, [])}
17209
5cd3e526ac37 checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17206
diff changeset
287
26936
d47ac02fcefa discovery: pass pushop to _nowarnheads
Ryan McElroy <rmcelroy@fb.com>
parents: 26935
diff changeset
288 def _nowarnheads(pushop):
26862
894f54d84d4a discovery: factor out calculation of heads to not warn about
Ryan McElroy <rmcelroy@fb.com>
parents: 26819
diff changeset
289 # Compute newly pushed bookmarks. We don't warn about bookmarked heads.
26936
d47ac02fcefa discovery: pass pushop to _nowarnheads
Ryan McElroy <rmcelroy@fb.com>
parents: 26935
diff changeset
290 repo = pushop.repo.unfiltered()
d47ac02fcefa discovery: pass pushop to _nowarnheads
Ryan McElroy <rmcelroy@fb.com>
parents: 26935
diff changeset
291 remote = pushop.remote
26862
894f54d84d4a discovery: factor out calculation of heads to not warn about
Ryan McElroy <rmcelroy@fb.com>
parents: 26819
diff changeset
292 localbookmarks = repo._bookmarks
37637
1964d2d1f421 discovery: use command executor interface
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37636
diff changeset
293
1964d2d1f421 discovery: use command executor interface
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37636
diff changeset
294 with remote.commandexecutor() as e:
1964d2d1f421 discovery: use command executor interface
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37636
diff changeset
295 remotebookmarks = e.callcommand('listkeys', {
1964d2d1f421 discovery: use command executor interface
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37636
diff changeset
296 'namespace': 'bookmarks',
1964d2d1f421 discovery: use command executor interface
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37636
diff changeset
297 }).result()
1964d2d1f421 discovery: use command executor interface
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37636
diff changeset
298
26862
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Ryan McElroy <rmcelroy@fb.com>
parents: 26819
diff changeset
299 bookmarkedheads = set()
29229
89bba2beb03e bookmarks: allow pushing active bookmark on new remote head (issue5236)
liscju <piotr.listkiewicz@gmail.com>
parents: 26936
diff changeset
300
89bba2beb03e bookmarks: allow pushing active bookmark on new remote head (issue5236)
liscju <piotr.listkiewicz@gmail.com>
parents: 26936
diff changeset
301 # internal config: bookmarks.pushing
89bba2beb03e bookmarks: allow pushing active bookmark on new remote head (issue5236)
liscju <piotr.listkiewicz@gmail.com>
parents: 26936
diff changeset
302 newbookmarks = [localbookmarks.expandname(b)
89bba2beb03e bookmarks: allow pushing active bookmark on new remote head (issue5236)
liscju <piotr.listkiewicz@gmail.com>
parents: 26936
diff changeset
303 for b in pushop.ui.configlist('bookmarks', 'pushing')]
89bba2beb03e bookmarks: allow pushing active bookmark on new remote head (issue5236)
liscju <piotr.listkiewicz@gmail.com>
parents: 26936
diff changeset
304
26862
894f54d84d4a discovery: factor out calculation of heads to not warn about
Ryan McElroy <rmcelroy@fb.com>
parents: 26819
diff changeset
305 for bm in localbookmarks:
894f54d84d4a discovery: factor out calculation of heads to not warn about
Ryan McElroy <rmcelroy@fb.com>
parents: 26819
diff changeset
306 rnode = remotebookmarks.get(bm)
894f54d84d4a discovery: factor out calculation of heads to not warn about
Ryan McElroy <rmcelroy@fb.com>
parents: 26819
diff changeset
307 if rnode and rnode in repo:
37451
444ed53f93df discovery: look up bookmarks only among bookmarks
Martin von Zweigbergk <martinvonz@google.com>
parents: 36715
diff changeset
308 lctx, rctx = localbookmarks.changectx(bm), repo[rnode]
26862
894f54d84d4a discovery: factor out calculation of heads to not warn about
Ryan McElroy <rmcelroy@fb.com>
parents: 26819
diff changeset
309 if bookmarks.validdest(repo, rctx, lctx):
894f54d84d4a discovery: factor out calculation of heads to not warn about
Ryan McElroy <rmcelroy@fb.com>
parents: 26819
diff changeset
310 bookmarkedheads.add(lctx.node())
894f54d84d4a discovery: factor out calculation of heads to not warn about
Ryan McElroy <rmcelroy@fb.com>
parents: 26819
diff changeset
311 else:
894f54d84d4a discovery: factor out calculation of heads to not warn about
Ryan McElroy <rmcelroy@fb.com>
parents: 26819
diff changeset
312 if bm in newbookmarks and bm not in remotebookmarks:
37451
444ed53f93df discovery: look up bookmarks only among bookmarks
Martin von Zweigbergk <martinvonz@google.com>
parents: 36715
diff changeset
313 bookmarkedheads.add(localbookmarks[bm])
26862
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Ryan McElroy <rmcelroy@fb.com>
parents: 26819
diff changeset
314
894f54d84d4a discovery: factor out calculation of heads to not warn about
Ryan McElroy <rmcelroy@fb.com>
parents: 26819
diff changeset
315 return bookmarkedheads
894f54d84d4a discovery: factor out calculation of heads to not warn about
Ryan McElroy <rmcelroy@fb.com>
parents: 26819
diff changeset
316
26935
c4a7bbc78c74 exchange: pass pushop to discovery.checkheads
Ryan McElroy <rmcelroy@fb.com>
parents: 26862
diff changeset
317 def checkheads(pushop):
15932
4154338f0bc0 discovery: diet discovery.prepush from non-discovery code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 15893
diff changeset
318 """Check that a push won't add any outgoing head
3684
975c2469c316 correct remote heads test in prepush
Matt Mackall <mpm@selenic.com>
parents: 3682
diff changeset
319
15932
4154338f0bc0 discovery: diet discovery.prepush from non-discovery code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 15893
diff changeset
320 raise Abort error and display ui message as needed.
4154338f0bc0 discovery: diet discovery.prepush from non-discovery code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 15893
diff changeset
321 """
26935
c4a7bbc78c74 exchange: pass pushop to discovery.checkheads
Ryan McElroy <rmcelroy@fb.com>
parents: 26862
diff changeset
322
c4a7bbc78c74 exchange: pass pushop to discovery.checkheads
Ryan McElroy <rmcelroy@fb.com>
parents: 26862
diff changeset
323 repo = pushop.repo.unfiltered()
c4a7bbc78c74 exchange: pass pushop to discovery.checkheads
Ryan McElroy <rmcelroy@fb.com>
parents: 26862
diff changeset
324 remote = pushop.remote
c4a7bbc78c74 exchange: pass pushop to discovery.checkheads
Ryan McElroy <rmcelroy@fb.com>
parents: 26862
diff changeset
325 outgoing = pushop.outgoing
c4a7bbc78c74 exchange: pass pushop to discovery.checkheads
Ryan McElroy <rmcelroy@fb.com>
parents: 26862
diff changeset
326 remoteheads = pushop.remoteheads
c4a7bbc78c74 exchange: pass pushop to discovery.checkheads
Ryan McElroy <rmcelroy@fb.com>
parents: 26862
diff changeset
327 newbranch = pushop.newbranch
c4a7bbc78c74 exchange: pass pushop to discovery.checkheads
Ryan McElroy <rmcelroy@fb.com>
parents: 26862
diff changeset
328 inc = bool(pushop.incoming)
c4a7bbc78c74 exchange: pass pushop to discovery.checkheads
Ryan McElroy <rmcelroy@fb.com>
parents: 26862
diff changeset
329
17209
5cd3e526ac37 checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17206
diff changeset
330 # 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
331 # 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
332 # - unknown locally
5cd3e526ac37 checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17206
diff changeset
333 # - a local outgoing head descended from update
5cd3e526ac37 checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17206
diff changeset
334 # - 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
335 # 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
336 if remoteheads == [nullid]:
4154338f0bc0 discovery: diet discovery.prepush from non-discovery code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 15893
diff changeset
337 # 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
338 return
2439
e8c4f3d3df8c extend network protocol to stop clients from locking servers
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2424
diff changeset
339
15932
4154338f0bc0 discovery: diet discovery.prepush from non-discovery code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 15893
diff changeset
340 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
341 headssum = _headssummary(pushop)
17209
5cd3e526ac37 checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17206
diff changeset
342 else:
17211
4f321eecbf8d checkheads: simplify the structure build by preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17209
diff changeset
343 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
344 pushop.pushbranchmap = headssum
17211
4f321eecbf8d checkheads: simplify the structure build by preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17209
diff changeset
345 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
346 if heads[0] is None]
17209
5cd3e526ac37 checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17206
diff changeset
347 # 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
348 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
349 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
350 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
351 % branchnames,
5cd3e526ac37 checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17206
diff changeset
352 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
353 " new remote branches"))
1466
b6d9ea0bc107 Added a lot of comments to changegroupsubset.
Eric Hopper <hopper@omnifarious.org>
parents: 1464
diff changeset
354
26862
894f54d84d4a discovery: factor out calculation of heads to not warn about
Ryan McElroy <rmcelroy@fb.com>
parents: 26819
diff changeset
355 # 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
356 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
357
246131d670c2 checkheads: extract bookmark computation from the branch loop
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17211
diff changeset
358 # 3. Check for new heads.
15932
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Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 15893
diff changeset
359 # 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
360 # 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
361 errormsg = None
18361
06f075836010 discovery: process heads in sorted order
Mads Kiilerich <mads@kiilerich.com>
parents: 18305
diff changeset
362 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
363 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
364 # add unsynced data
20381
fff0a71f8177 discovery: cleanup of variable names and comments
Mads Kiilerich <madski@unity3d.com>
parents: 20225
diff changeset
365 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
366 oldhs = set()
b00ba31313c3 discovery: abort also when pushing multiple headed new branch
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 18382
diff changeset
367 else:
20381
fff0a71f8177 discovery: cleanup of variable names and comments
Mads Kiilerich <madski@unity3d.com>
parents: 20225
diff changeset
368 oldhs = set(remoteheads)
fff0a71f8177 discovery: cleanup of variable names and comments
Mads Kiilerich <madski@unity3d.com>
parents: 20225
diff changeset
369 oldhs.update(unsyncedheads)
fff0a71f8177 discovery: cleanup of variable names and comments
Mads Kiilerich <madski@unity3d.com>
parents: 20225
diff changeset
370 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
371 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
372 newhs.update(unsyncedheads)
32674
7a7c4f3afb98 checkheads: drop now unused filtering of 'unsyncedheads'
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32673
diff changeset
373 if unsyncedheads:
7a7c4f3afb98 checkheads: drop now unused filtering of 'unsyncedheads'
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32673
diff changeset
374 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
375 # 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
376 heads = None
21198
56a04085c23c discovery: don't report all "unsynced" remote heads (issue4230)
Mads Kiilerich <madski@unity3d.com>
parents: 20502
diff changeset
377 else:
35184
bc775b8cc020 scmutil: extra utility to display a reasonable amount of nodes
Boris Feld <boris.feld@octobus.net>
parents: 32792
diff changeset
378 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
379 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
380 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
381 "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
382 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
383 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
384 "not known locally: %s\n") % heads)
20501
8a9e0b523d2d discovery: improve "note: unsynced remote changes!" warning
Mads Kiilerich <madski@unity3d.com>
parents: 20403
diff changeset
385 else:
20502
7648e9aef6ee discovery: make "note: unsynced remote changes!" less serious than a warning
Mads Kiilerich <madski@unity3d.com>
parents: 20501
diff changeset
386 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
387 "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
388 if remoteheads is None:
fff0a71f8177 discovery: cleanup of variable names and comments
Mads Kiilerich <madski@unity3d.com>
parents: 20225
diff changeset
389 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
390 dhs = list(newhs)
26585
b38d93735a4f discovery: rename 'error' to 'errormsg'
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 25944
diff changeset
391 if errormsg is None:
b38d93735a4f discovery: rename 'error' to 'errormsg'
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 25944
diff changeset
392 errormsg = (_("push creates new branch '%s' "
b38d93735a4f discovery: rename 'error' to 'errormsg'
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 25944
diff changeset
393 "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
394 hint = _("merge or"
29973
4ddb05751b12 discovery: use single quotes in use warning
timeless <timeless@mozdev.org>
parents: 29901
diff changeset
395 " 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
396 " pushing new heads")
b00ba31313c3 discovery: abort also when pushing multiple headed new branch
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 18382
diff changeset
397 elif len(newhs) > len(oldhs):
20381
fff0a71f8177 discovery: cleanup of variable names and comments
Mads Kiilerich <madski@unity3d.com>
parents: 20225
diff changeset
398 # 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
399 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
400 if dhs:
26585
b38d93735a4f discovery: rename 'error' to 'errormsg'
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 25944
diff changeset
401 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
402 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
403 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
404 "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
405 elif repo[dhs[0]].bookmarks():
26585
b38d93735a4f discovery: rename 'error' to 'errormsg'
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 25944
diff changeset
406 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
407 "with bookmark '%s'!") % (
b38d93735a4f discovery: rename 'error' to 'errormsg'
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 25944
diff changeset
408 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
409 else:
26585
b38d93735a4f discovery: rename 'error' to 'errormsg'
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 25944
diff changeset
410 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
411 ) % short(dhs[0])
20381
fff0a71f8177 discovery: cleanup of variable names and comments
Mads Kiilerich <madski@unity3d.com>
parents: 20225
diff changeset
412 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
413 hint = _("pull and merge or"
29973
4ddb05751b12 discovery: use single quotes in use warning
timeless <timeless@mozdev.org>
parents: 29901
diff changeset
414 " 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
415 " 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
416 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
417 hint = _("merge or"
29973
4ddb05751b12 discovery: use single quotes in use warning
timeless <timeless@mozdev.org>
parents: 29901
diff changeset
418 " 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
419 " pushing new heads")
20051
b988b3b19303 discovery: make note messages for new heads more readable
Mads Kiilerich <madski@unity3d.com>
parents: 20050
diff changeset
420 if branch is None:
b988b3b19303 discovery: make note messages for new heads more readable
Mads Kiilerich <madski@unity3d.com>
parents: 20050
diff changeset
421 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
422 else:
b988b3b19303 discovery: make note messages for new heads more readable
Mads Kiilerich <madski@unity3d.com>
parents: 20050
diff changeset
423 repo.ui.note(_("new remote heads on branch '%s':\n") % branch)
15932
4154338f0bc0 discovery: diet discovery.prepush from non-discovery code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 15893
diff changeset
424 for h in dhs:
20051
b988b3b19303 discovery: make note messages for new heads more readable
Mads Kiilerich <madski@unity3d.com>
parents: 20050
diff changeset
425 repo.ui.note((" %s\n") % short(h))
26585
b38d93735a4f discovery: rename 'error' to 'errormsg'
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 25944
diff changeset
426 if errormsg:
26587
56b2bcea2529 error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 26585
diff changeset
427 raise error.Abort(errormsg, hint=hint)
31586
df82f375fa00 checkheads: extract obsolete post processing in its own function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 29973
diff changeset
428
df82f375fa00 checkheads: extract obsolete post processing in its own function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 29973
diff changeset
429 def _postprocessobsolete(pushop, futurecommon, candidate_newhs):
df82f375fa00 checkheads: extract obsolete post processing in its own function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 29973
diff changeset
430 """post process the list of new heads with obsolescence information
df82f375fa00 checkheads: extract obsolete post processing in its own function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 29973
diff changeset
431
32009
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
432 Exists as a sub-function to contain the complexity and allow extensions to
31586
df82f375fa00 checkheads: extract obsolete post processing in its own function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 29973
diff changeset
433 experiment with smarter logic.
32009
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
434
31586
df82f375fa00 checkheads: extract obsolete post processing in its own function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 29973
diff changeset
435 Returns (newheads, discarded_heads) tuple
df82f375fa00 checkheads: extract obsolete post processing in its own function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 29973
diff changeset
436 """
32009
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
437 # known issue
31586
df82f375fa00 checkheads: extract obsolete post processing in its own function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 29973
diff changeset
438 #
32009
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
439 # * We "silently" skip processing on all changeset unknown locally
31586
df82f375fa00 checkheads: extract obsolete post processing in its own function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 29973
diff changeset
440 #
32009
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
441 # * if <nh> is public on the remote, it won't be affected by obsolete
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
442 # marker and a new is created
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
443
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
444 # define various utilities and containers
31586
df82f375fa00 checkheads: extract obsolete post processing in its own function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 29973
diff changeset
445 repo = pushop.repo
32009
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
446 unfi = repo.unfiltered()
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
447 tonode = unfi.changelog.node
32790
d4b5468719da checkheads: use 'nodemap.get' to convert nodes to revs
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32789
diff changeset
448 torev = unfi.changelog.nodemap.get
32009
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
449 public = phases.public
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
450 getphase = unfi._phasecache.phase
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
451 ispublic = (lambda r: getphase(unfi, r) == public)
32791
1cb14923dee9 checkheads: use "revnum" in the "allfuturecommon" set
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32790
diff changeset
452 ispushed = (lambda n: torev(n) in futurecommon)
32789
443e8543a125 checkheads: pass "ispushed" function to the obsmarkers logic
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32709
diff changeset
453 hasoutmarker = functools.partial(pushingmarkerfor, unfi.obsstore, ispushed)
32009
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
454 successorsmarkers = unfi.obsstore.successors
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
455 newhs = set() # final set of new heads
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
456 discarded = set() # new head of fully replaced branch
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
457
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
458 localcandidate = set() # candidate heads known locally
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
459 unknownheads = set() # candidate heads unknown locally
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
460 for h in candidate_newhs:
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
461 if h in unfi:
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
462 localcandidate.add(h)
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
463 else:
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
464 if successorsmarkers.get(h) is not None:
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
465 msg = ('checkheads: remote head unknown locally has'
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
466 ' local marker: %s\n')
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
467 repo.ui.debug(msg % hex(h))
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
468 unknownheads.add(h)
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
469
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
470 # fast path the simple case
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
471 if len(localcandidate) == 1:
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
472 return unknownheads | set(candidate_newhs), set()
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
473
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
474 # actually process branch replacement
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
475 while localcandidate:
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
476 nh = localcandidate.pop()
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
477 # run this check early to skip the evaluation of the whole branch
32791
1cb14923dee9 checkheads: use "revnum" in the "allfuturecommon" set
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32790
diff changeset
478 if (torev(nh) in futurecommon or ispublic(torev(nh))):
32009
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
479 newhs.add(nh)
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
480 continue
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
481
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
482 # Get all revs/nodes on the branch exclusive to this head
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
483 # (already filtered heads are "ignored"))
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
484 branchrevs = unfi.revs('only(%n, (%ln+%ln))',
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
485 nh, localcandidate, newhs)
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
486 branchnodes = [tonode(r) for r in branchrevs]
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
487
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
488 # The branch won't be hidden on the remote if
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
489 # * any part of it is public,
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Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
490 # * any part of it is considered part of the result by previous logic,
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Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
491 # * if we have no markers to push to obsolete it.
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
492 if (any(ispublic(r) for r in branchrevs)
32791
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32790
diff changeset
493 or any(torev(n) in futurecommon for n in branchnodes)
32009
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
494 or any(not hasoutmarker(n) for n in branchnodes)):
31586
df82f375fa00 checkheads: extract obsolete post processing in its own function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 29973
diff changeset
495 newhs.add(nh)
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Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 29973
diff changeset
496 else:
32009
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
497 # note: there is a corner case if there is a merge in the branch.
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
498 # we might end up with -more- heads. However, these heads are not
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
499 # "added" by the push, but more by the "removal" on the remote so I
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
500 # think is a okay to ignore them,
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
501 discarded.add(nh)
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
502 newhs |= unknownheads
31586
df82f375fa00 checkheads: extract obsolete post processing in its own function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 29973
diff changeset
503 return newhs, discarded
32009
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
504
32789
443e8543a125 checkheads: pass "ispushed" function to the obsmarkers logic
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32709
diff changeset
505 def pushingmarkerfor(obsstore, ispushed, node):
32009
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
506 """true if some markers are to be pushed for node
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
507
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
508 We cannot just look in to the pushed obsmarkers from the pushop because
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
509 discovery might have filtered relevant markers. In addition listing all
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
510 markers relevant to all changesets in the pushed set would be too expensive
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
511 (O(len(repo)))
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
512
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
513 (note: There are cache opportunity in this function. but it would requires
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
514 a two dimensional stack.)
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
515 """
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
516 successorsmarkers = obsstore.successors
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Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
517 stack = [node]
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Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
518 seen = set(stack)
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Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
519 while stack:
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
520 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
521 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
522 return True
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
523 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
524 # markers fields = ('prec', 'succs', 'flag', 'meta', 'date', 'parents')
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Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
525 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
526 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
527 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
528 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
529 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
530 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
531 seen.add(n)
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
532 stack.append(n)
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
533 return False