annotate mercurial/discovery.py @ 43787:be8552f25cab

cleanup: fix docstring formatting This is just removing the b'' prefix (except demandimportpy2), and making sure it is triple quoted. I skipped the mapping.py module in zope because that's 3rd party code. Differential Revision: https://phab.mercurial-scm.org/D7539
author Matt Harbison <matt_harbison@yahoo.com>
date Sun, 01 Dec 2019 18:46:10 -0500
parents 65d6770273c8
children a0ec05d93c8e 7d5455b988ec
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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 pycompat,
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25 scmutil,
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26 setdiscovery,
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27 treediscovery,
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28 util,
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29 )
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31
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32 def findcommonincoming(repo, remote, heads=None, force=False, ancestorsof=None):
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33 """Return a tuple (common, anyincoming, heads) used to identify the common
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34 subset of nodes between repo and remote.
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35
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36 "common" is a list of (at least) the heads of the common subset.
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37 "anyincoming" is testable as a boolean indicating if any nodes are missing
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38 locally. If remote does not support getbundle, this actually is a list of
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39 roots of the nodes that would be incoming, to be supplied to
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40 changegroupsubset. No code except for pull should be relying on this fact
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41 any longer.
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42 "heads" is either the supplied heads, or else the remote's heads.
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43 "ancestorsof" if not None, restrict the discovery to a subset defined by
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44 these nodes. Changeset outside of this set won't be considered (and
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45 won't appears in "common")
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46
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47 If you pass heads and they are all known locally, the response lists just
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48 these heads in "common" and in "heads".
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49
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50 Please use findcommonoutgoing to compute the set of outgoing nodes to give
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51 extensions a good hook into outgoing.
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52 """
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53
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54 if not remote.capable(b'getbundle'):
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55 return treediscovery.findcommonincoming(repo, remote, heads, force)
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56
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57 if heads:
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58 knownnode = repo.changelog.hasnode # no nodemap until it is filtered
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59 if all(knownnode(h) for h in heads):
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60 return (heads, False, heads)
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61
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62 res = setdiscovery.findcommonheads(
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63 repo.ui,
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64 repo,
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65 remote,
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66 abortwhenunrelated=not force,
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67 ancestorsof=ancestorsof,
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68 )
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69 common, anyinc, srvheads = res
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70 return (list(common), anyinc, heads or list(srvheads))
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72
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73 class outgoing(object):
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74 '''Represents the set of nodes present in a local repo but not in a
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75 (possibly) remote one.
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76
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77 Members:
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78
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79 missing is a list of all nodes present in local but not in remote.
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80 common is a list of all nodes shared between the two repos.
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81 excluded is the list of missing changeset that shouldn't be sent remotely.
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82 missingheads is the list of heads of missing.
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83 commonheads is the list of heads of common.
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84
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85 The sets are computed on demand from the heads, unless provided upfront
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86 by discovery.'''
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87
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88 def __init__(
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89 self, repo, commonheads=None, missingheads=None, missingroots=None
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90 ):
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91 # at least one of them must not be set
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92 assert None in (commonheads, missingroots)
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93 cl = repo.changelog
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94 if missingheads is None:
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95 missingheads = cl.heads()
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96 if missingroots:
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97 discbases = []
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98 for n in missingroots:
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99 discbases.extend([p for p in cl.parents(n) if p != nullid])
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100 # TODO remove call to nodesbetween.
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101 # TODO populate attributes on outgoing instance instead of setting
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102 # discbases.
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103 csets, roots, heads = cl.nodesbetween(missingroots, missingheads)
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104 included = set(csets)
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105 missingheads = heads
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106 commonheads = [n for n in discbases if n not in included]
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107 elif not commonheads:
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108 commonheads = [nullid]
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109 self.commonheads = commonheads
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110 self.missingheads = missingheads
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111 self._revlog = cl
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112 self._common = None
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113 self._missing = None
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114 self.excluded = []
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115
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116 def _computecommonmissing(self):
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117 sets = self._revlog.findcommonmissing(
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118 self.commonheads, self.missingheads
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119 )
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120 self._common, self._missing = sets
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121
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122 @util.propertycache
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123 def common(self):
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124 if self._common is None:
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125 self._computecommonmissing()
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126 return self._common
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127
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128 @util.propertycache
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129 def missing(self):
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130 if self._missing is None:
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131 self._computecommonmissing()
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132 return self._missing
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133
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134
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135 def findcommonoutgoing(
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136 repo, other, onlyheads=None, force=False, commoninc=None, portable=False
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137 ):
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138 '''Return an outgoing instance to identify the nodes present in repo but
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139 not in other.
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140
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141 If onlyheads is given, only nodes ancestral to nodes in onlyheads
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142 (inclusive) are included. If you already know the local repo's heads,
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143 passing them in onlyheads is faster than letting them be recomputed here.
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144
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145 If commoninc is given, it must be the result of a prior call to
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146 findcommonincoming(repo, other, force) to avoid recomputing it here.
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147
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148 If portable is given, compute more conservative common and missingheads,
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149 to make bundles created from the instance more portable.'''
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150 # declare an empty outgoing object to be filled later
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151 og = outgoing(repo, None, None)
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152
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153 # get common set if not provided
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154 if commoninc is None:
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155 commoninc = findcommonincoming(
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156 repo, other, force=force, ancestorsof=onlyheads
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157 )
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158 og.commonheads, _any, _hds = commoninc
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159
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160 # compute outgoing
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161 mayexclude = repo._phasecache.phaseroots[phases.secret] or repo.obsstore
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162 if not mayexclude:
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163 og.missingheads = onlyheads or repo.heads()
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164 elif onlyheads is None:
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165 # use visible heads as it should be cached
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166 og.missingheads = repo.filtered(b"served").heads()
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167 og.excluded = [ctx.node() for ctx in repo.set(b'secret() or extinct()')]
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168 else:
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169 # compute common, missing and exclude secret stuff
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170 sets = repo.changelog.findcommonmissing(og.commonheads, onlyheads)
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171 og._common, allmissing = sets
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172 og._missing = missing = []
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173 og.excluded = excluded = []
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174 for node in allmissing:
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175 ctx = repo[node]
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176 if ctx.phase() >= phases.secret or ctx.extinct():
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177 excluded.append(node)
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178 else:
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179 missing.append(node)
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180 if len(missing) == len(allmissing):
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181 missingheads = onlyheads
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182 else: # update missing heads
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183 missingheads = phases.newheads(repo, onlyheads, excluded)
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184 og.missingheads = missingheads
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185 if portable:
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186 # recompute common and missingheads as if -r<rev> had been given for
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187 # each head of missing, and --base <rev> for each head of the proper
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188 # ancestors of missing
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189 og._computecommonmissing()
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190 cl = repo.changelog
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191 missingrevs = set(cl.rev(n) for n in og._missing)
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192 og._common = set(cl.ancestors(missingrevs)) - missingrevs
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193 commonheads = set(og.commonheads)
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194 og.missingheads = [h for h in og.missingheads if h not in commonheads]
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195
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196 return og
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197
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198
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199 def _headssummary(pushop):
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200 """compute a summary of branch and heads status before and after push
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201
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202 return {'branch': ([remoteheads], [newheads],
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203 [unsyncedheads], [discardedheads])} mapping
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204
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205 - branch: the branch name,
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206 - remoteheads: the list of remote heads known locally
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207 None if the branch is new,
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208 - newheads: the new remote heads (known locally) with outgoing pushed,
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209 - unsyncedheads: the list of remote heads unknown locally,
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210 - discardedheads: the list of heads made obsolete by the push.
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211 """
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212 repo = pushop.repo.unfiltered()
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213 remote = pushop.remote
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214 outgoing = pushop.outgoing
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215 cl = repo.changelog
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216 headssum = {}
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217 missingctx = set()
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218 # A. Create set of branches involved in the push.
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219 branches = set()
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220 for n in outgoing.missing:
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221 ctx = repo[n]
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222 missingctx.add(ctx)
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223 branches.add(ctx.branch())
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224
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225 with remote.commandexecutor() as e:
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226 remotemap = e.callcommand(b'branchmap', {}).result()
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227
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228 knownnode = cl.hasnode # do not use nodemap until it is filtered
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229 # A. register remote heads of branches which are in outgoing set
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230 for branch, heads in pycompat.iteritems(remotemap):
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231 # don't add head info about branches which we don't have locally
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232 if branch not in branches:
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233 continue
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234 known = []
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235 unsynced = []
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236 for h in heads:
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237 if knownnode(h):
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238 known.append(h)
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239 else:
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240 unsynced.append(h)
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241 headssum[branch] = (known, list(known), unsynced)
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242
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243 # B. add new branch data
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244 for branch in branches:
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245 if branch not in headssum:
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246 headssum[branch] = (None, [], [])
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247
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248 # C. Update newmap with outgoing changes.
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249 # This will possibly add new heads and remove existing ones.
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250 newmap = branchmap.remotebranchcache(
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251 (branch, heads[1])
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252 for branch, heads in pycompat.iteritems(headssum)
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253 if heads[0] is not None
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254 )
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parents: 18284
diff changeset
255 newmap.update(repo, (ctx.rev() for ctx in missingctx))
43106
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 43077
diff changeset
256 for branch, newheads in pycompat.iteritems(newmap):
17211
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Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17209
diff changeset
257 headssum[branch][1][:] = newheads
43106
d783f945a701 py3: finish porting iteritems() to pycompat and remove source transformer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 43077
diff changeset
258 for branch, items in pycompat.iteritems(headssum):
32672
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32671
diff changeset
259 for l in items:
315d74d0f059 headssummary: ensure all returned lists are sorted
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32671
diff changeset
260 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
261 l.sort()
32708
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32707
diff changeset
262 headssum[branch] = items + ([],)
90cb4ec8df64 headsummary: expose the 'discardedheads' set in the headssummary
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32707
diff changeset
263
32707
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32706
diff changeset
264 # If there are no obsstore, no post processing are needed.
32c8f98aebf4 checkheads: perform obsolescence post processing directly in _headssummary
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32706
diff changeset
265 if repo.obsstore:
32791
1cb14923dee9 checkheads: use "revnum" in the "allfuturecommon" set
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32790
diff changeset
266 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
267 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
268 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
269 allfuturecommon = repo.changelog.ancestors(futureheads, inclusive=True)
43106
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 43077
diff changeset
270 for branch, heads in sorted(pycompat.iteritems(headssum)):
32708
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32707
diff changeset
271 remoteheads, newheads, unsyncedheads, placeholder = heads
32707
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32706
diff changeset
272 result = _postprocessobsolete(pushop, allfuturecommon, newheads)
43076
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Augie Fackler <augie@google.com>
parents: 43049
diff changeset
273 headssum[branch] = (
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Augie Fackler <augie@google.com>
parents: 43049
diff changeset
274 remoteheads,
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Augie Fackler <augie@google.com>
parents: 43049
diff changeset
275 sorted(result[0]),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43049
diff changeset
276 unsyncedheads,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43049
diff changeset
277 sorted(result[1]),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43049
diff changeset
278 )
17211
4f321eecbf8d checkheads: simplify the structure build by preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17209
diff changeset
279 return headssum
17209
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Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17206
diff changeset
280
43076
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parents: 43049
diff changeset
281
17211
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Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17209
diff changeset
282 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
283 """Compute branchmapsummary for repo without branchmap support"""
5cd3e526ac37 checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17206
diff changeset
284
5cd3e526ac37 checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17206
diff changeset
285 # 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
286 # Construct {old,new}map with branch = None (topological branch).
18120
88990d3e3d75 branchmap: extract _updatebranchcache from repo
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18104
diff changeset
287 # (code based on update)
43076
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Augie Fackler <augie@google.com>
parents: 43049
diff changeset
288 knownnode = repo.changelog.hasnode # no nodemap until it is filtered
32672
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32671
diff changeset
289 oldheads = sorted(h for h in remoteheads if knownnode(h))
17209
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Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17206
diff changeset
290 # 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
291 # - an element of oldheads
5cd3e526ac37 checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17206
diff changeset
292 # - another element of outgoing.missing
5cd3e526ac37 checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17206
diff changeset
293 # - nullrev
5cd3e526ac37 checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17206
diff changeset
294 # This explains why the new head are very simple to compute.
43077
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Augie Fackler <augie@google.com>
parents: 43076
diff changeset
295 r = repo.set(b'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
296 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
297 # 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
298 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
299 unsynced = [None]
24306
6ddc86eedc3b style: kill ersatz if-else ternary operators
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 22178
diff changeset
300 else:
32671
81cbfaea1e0f discovery: also use lists for the returns of '_oldheadssummary'
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32331
diff changeset
301 unsynced = []
32708
90cb4ec8df64 headsummary: expose the 'discardedheads' set in the headssummary
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32707
diff changeset
302 return {None: (oldheads, newheads, unsynced, [])}
17209
5cd3e526ac37 checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17206
diff changeset
303
43076
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Augie Fackler <augie@google.com>
parents: 43049
diff changeset
304
26936
d47ac02fcefa discovery: pass pushop to _nowarnheads
Ryan McElroy <rmcelroy@fb.com>
parents: 26935
diff changeset
305 def _nowarnheads(pushop):
26862
894f54d84d4a discovery: factor out calculation of heads to not warn about
Ryan McElroy <rmcelroy@fb.com>
parents: 26819
diff changeset
306 # 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
307 repo = pushop.repo.unfiltered()
d47ac02fcefa discovery: pass pushop to _nowarnheads
Ryan McElroy <rmcelroy@fb.com>
parents: 26935
diff changeset
308 remote = pushop.remote
26862
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Ryan McElroy <rmcelroy@fb.com>
parents: 26819
diff changeset
309 localbookmarks = repo._bookmarks
37637
1964d2d1f421 discovery: use command executor interface
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37636
diff changeset
310
1964d2d1f421 discovery: use command executor interface
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37636
diff changeset
311 with remote.commandexecutor() as e:
43076
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Augie Fackler <augie@google.com>
parents: 43049
diff changeset
312 remotebookmarks = e.callcommand(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
313 b'listkeys', {b'namespace': b'bookmarks',}
43076
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Augie Fackler <augie@google.com>
parents: 43049
diff changeset
314 ).result()
37637
1964d2d1f421 discovery: use command executor interface
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37636
diff changeset
315
26862
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Ryan McElroy <rmcelroy@fb.com>
parents: 26819
diff changeset
316 bookmarkedheads = set()
29229
89bba2beb03e bookmarks: allow pushing active bookmark on new remote head (issue5236)
liscju <piotr.listkiewicz@gmail.com>
parents: 26936
diff changeset
317
89bba2beb03e bookmarks: allow pushing active bookmark on new remote head (issue5236)
liscju <piotr.listkiewicz@gmail.com>
parents: 26936
diff changeset
318 # internal config: bookmarks.pushing
43076
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Augie Fackler <augie@google.com>
parents: 43049
diff changeset
319 newbookmarks = [
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43049
diff changeset
320 localbookmarks.expandname(b)
43077
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Augie Fackler <augie@google.com>
parents: 43076
diff changeset
321 for b in pushop.ui.configlist(b'bookmarks', b'pushing')
43076
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Augie Fackler <augie@google.com>
parents: 43049
diff changeset
322 ]
29229
89bba2beb03e bookmarks: allow pushing active bookmark on new remote head (issue5236)
liscju <piotr.listkiewicz@gmail.com>
parents: 26936
diff changeset
323
26862
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Ryan McElroy <rmcelroy@fb.com>
parents: 26819
diff changeset
324 for bm in localbookmarks:
894f54d84d4a discovery: factor out calculation of heads to not warn about
Ryan McElroy <rmcelroy@fb.com>
parents: 26819
diff changeset
325 rnode = remotebookmarks.get(bm)
894f54d84d4a discovery: factor out calculation of heads to not warn about
Ryan McElroy <rmcelroy@fb.com>
parents: 26819
diff changeset
326 if rnode and rnode in repo:
42978
e3bb2a58af1e bookmarks: remove changectx() method from bmstore (API)
Augie Fackler <augie@google.com>
parents: 42216
diff changeset
327 lctx, rctx = repo[localbookmarks[bm]], repo[rnode]
26862
894f54d84d4a discovery: factor out calculation of heads to not warn about
Ryan McElroy <rmcelroy@fb.com>
parents: 26819
diff changeset
328 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
329 bookmarkedheads.add(lctx.node())
894f54d84d4a discovery: factor out calculation of heads to not warn about
Ryan McElroy <rmcelroy@fb.com>
parents: 26819
diff changeset
330 else:
894f54d84d4a discovery: factor out calculation of heads to not warn about
Ryan McElroy <rmcelroy@fb.com>
parents: 26819
diff changeset
331 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
332 bookmarkedheads.add(localbookmarks[bm])
26862
894f54d84d4a discovery: factor out calculation of heads to not warn about
Ryan McElroy <rmcelroy@fb.com>
parents: 26819
diff changeset
333
894f54d84d4a discovery: factor out calculation of heads to not warn about
Ryan McElroy <rmcelroy@fb.com>
parents: 26819
diff changeset
334 return bookmarkedheads
894f54d84d4a discovery: factor out calculation of heads to not warn about
Ryan McElroy <rmcelroy@fb.com>
parents: 26819
diff changeset
335
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43049
diff changeset
336
26935
c4a7bbc78c74 exchange: pass pushop to discovery.checkheads
Ryan McElroy <rmcelroy@fb.com>
parents: 26862
diff changeset
337 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
338 """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
339
15932
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Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 15893
diff changeset
340 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
341 """
26935
c4a7bbc78c74 exchange: pass pushop to discovery.checkheads
Ryan McElroy <rmcelroy@fb.com>
parents: 26862
diff changeset
342
c4a7bbc78c74 exchange: pass pushop to discovery.checkheads
Ryan McElroy <rmcelroy@fb.com>
parents: 26862
diff changeset
343 repo = pushop.repo.unfiltered()
c4a7bbc78c74 exchange: pass pushop to discovery.checkheads
Ryan McElroy <rmcelroy@fb.com>
parents: 26862
diff changeset
344 remote = pushop.remote
c4a7bbc78c74 exchange: pass pushop to discovery.checkheads
Ryan McElroy <rmcelroy@fb.com>
parents: 26862
diff changeset
345 outgoing = pushop.outgoing
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Ryan McElroy <rmcelroy@fb.com>
parents: 26862
diff changeset
346 remoteheads = pushop.remoteheads
c4a7bbc78c74 exchange: pass pushop to discovery.checkheads
Ryan McElroy <rmcelroy@fb.com>
parents: 26862
diff changeset
347 newbranch = pushop.newbranch
c4a7bbc78c74 exchange: pass pushop to discovery.checkheads
Ryan McElroy <rmcelroy@fb.com>
parents: 26862
diff changeset
348 inc = bool(pushop.incoming)
c4a7bbc78c74 exchange: pass pushop to discovery.checkheads
Ryan McElroy <rmcelroy@fb.com>
parents: 26862
diff changeset
349
17209
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Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17206
diff changeset
350 # 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
351 # 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
352 # - unknown locally
5cd3e526ac37 checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17206
diff changeset
353 # - a local outgoing head descended from update
5cd3e526ac37 checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17206
diff changeset
354 # - 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
355 # 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
356 if remoteheads == [nullid]:
4154338f0bc0 discovery: diet discovery.prepush from non-discovery code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 15893
diff changeset
357 # 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
358 return
2439
e8c4f3d3df8c extend network protocol to stop clients from locking servers
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2424
diff changeset
359
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
360 if remote.capable(b'branchmap'):
32706
993f58db2045 headssummary: directly feed the function with the 'pushop' object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32705
diff changeset
361 headssum = _headssummary(pushop)
17209
5cd3e526ac37 checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17206
diff changeset
362 else:
17211
4f321eecbf8d checkheads: simplify the structure build by preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17209
diff changeset
363 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
364 pushop.pushbranchmap = headssum
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43049
diff changeset
365 newbranches = [
43106
d783f945a701 py3: finish porting iteritems() to pycompat and remove source transformer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 43077
diff changeset
366 branch
d783f945a701 py3: finish porting iteritems() to pycompat and remove source transformer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 43077
diff changeset
367 for branch, heads in pycompat.iteritems(headssum)
d783f945a701 py3: finish porting iteritems() to pycompat and remove source transformer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 43077
diff changeset
368 if heads[0] is None
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43049
diff changeset
369 ]
17209
5cd3e526ac37 checkheads: extract branchmap preprocessing
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17206
diff changeset
370 # 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
371 if newbranches and not newbranch: # new branch requires --new-branch
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
372 branchnames = b', '.join(sorted(newbranches))
42216
d0e773ad9077 discovery: only calculate closed branches if required
Pulkit Goyal <pulkit@yandex-team.ru>
parents: 42203
diff changeset
373 # Calculate how many of the new branches are closed branches
d0e773ad9077 discovery: only calculate closed branches if required
Pulkit Goyal <pulkit@yandex-team.ru>
parents: 42203
diff changeset
374 closedbranches = set()
d0e773ad9077 discovery: only calculate closed branches if required
Pulkit Goyal <pulkit@yandex-team.ru>
parents: 42203
diff changeset
375 for tag, heads, tip, isclosed in repo.branchmap().iterbranches():
d0e773ad9077 discovery: only calculate closed branches if required
Pulkit Goyal <pulkit@yandex-team.ru>
parents: 42203
diff changeset
376 if isclosed:
d0e773ad9077 discovery: only calculate closed branches if required
Pulkit Goyal <pulkit@yandex-team.ru>
parents: 42203
diff changeset
377 closedbranches.add(tag)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43049
diff changeset
378 closedbranches = closedbranches & set(newbranches)
42203
5997eabc7b85 push: added clear warning message when pushing closed branches(issue6080)
Taapas Agrawal <taapas2897@gmail.com>
parents: 42029
diff changeset
379 if closedbranches:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
380 errmsg = _(b"push creates new remote branches: %s (%d closed)!") % (
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43049
diff changeset
381 branchnames,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43049
diff changeset
382 len(closedbranches),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43049
diff changeset
383 )
42203
5997eabc7b85 push: added clear warning message when pushing closed branches(issue6080)
Taapas Agrawal <taapas2897@gmail.com>
parents: 42029
diff changeset
384 else:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
385 errmsg = _(b"push creates new remote branches: %s!") % branchnames
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
386 hint = _(b"use 'hg push --new-branch' to create new remote branches")
42203
5997eabc7b85 push: added clear warning message when pushing closed branches(issue6080)
Taapas Agrawal <taapas2897@gmail.com>
parents: 42029
diff changeset
387 raise error.Abort(errmsg, hint=hint)
1466
b6d9ea0bc107 Added a lot of comments to changegroupsubset.
Eric Hopper <hopper@omnifarious.org>
parents: 1464
diff changeset
388
26862
894f54d84d4a discovery: factor out calculation of heads to not warn about
Ryan McElroy <rmcelroy@fb.com>
parents: 26819
diff changeset
389 # 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
390 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
391
246131d670c2 checkheads: extract bookmark computation from the branch loop
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17211
diff changeset
392 # 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
393 # 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
394 # 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
395 errormsg = None
43106
d783f945a701 py3: finish porting iteritems() to pycompat and remove source transformer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 43077
diff changeset
396 for branch, heads in sorted(pycompat.iteritems(headssum)):
32708
90cb4ec8df64 headsummary: expose the 'discardedheads' set in the headssummary
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32707
diff changeset
397 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
398 # add unsynced data
20381
fff0a71f8177 discovery: cleanup of variable names and comments
Mads Kiilerich <madski@unity3d.com>
parents: 20225
diff changeset
399 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
400 oldhs = set()
b00ba31313c3 discovery: abort also when pushing multiple headed new branch
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 18382
diff changeset
401 else:
20381
fff0a71f8177 discovery: cleanup of variable names and comments
Mads Kiilerich <madski@unity3d.com>
parents: 20225
diff changeset
402 oldhs = set(remoteheads)
fff0a71f8177 discovery: cleanup of variable names and comments
Mads Kiilerich <madski@unity3d.com>
parents: 20225
diff changeset
403 oldhs.update(unsyncedheads)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43049
diff changeset
404 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
405 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
406 newhs.update(unsyncedheads)
32674
7a7c4f3afb98 checkheads: drop now unused filtering of 'unsyncedheads'
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32673
diff changeset
407 if unsyncedheads:
7a7c4f3afb98 checkheads: drop now unused filtering of 'unsyncedheads'
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32673
diff changeset
408 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
409 # 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
410 heads = None
21198
56a04085c23c discovery: don't report all "unsynced" remote heads (issue4230)
Mads Kiilerich <madski@unity3d.com>
parents: 20502
diff changeset
411 else:
35184
bc775b8cc020 scmutil: extra utility to display a reasonable amount of nodes
Boris Feld <boris.feld@octobus.net>
parents: 32792
diff changeset
412 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
413 if heads is None:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43049
diff changeset
414 repo.ui.status(
43117
8ff1ecfadcd1 cleanup: join string literals that are already on one line
Martin von Zweigbergk <martinvonz@google.com>
parents: 43106
diff changeset
415 _(b"remote has heads that are not known locally\n")
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43049
diff changeset
416 )
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
417 elif branch is None:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43049
diff changeset
418 repo.ui.status(
43117
8ff1ecfadcd1 cleanup: join string literals that are already on one line
Martin von Zweigbergk <martinvonz@google.com>
parents: 43106
diff changeset
419 _(b"remote has heads that are not known locally: %s\n")
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43049
diff changeset
420 % heads
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43049
diff changeset
421 )
20501
8a9e0b523d2d discovery: improve "note: unsynced remote changes!" warning
Mads Kiilerich <madski@unity3d.com>
parents: 20403
diff changeset
422 else:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43049
diff changeset
423 repo.ui.status(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43049
diff changeset
424 _(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
425 b"remote has heads on branch '%s' that are "
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
426 b"not known locally: %s\n"
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43049
diff changeset
427 )
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43049
diff changeset
428 % (branch, heads)
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43049
diff changeset
429 )
20381
fff0a71f8177 discovery: cleanup of variable names and comments
Mads Kiilerich <madski@unity3d.com>
parents: 20225
diff changeset
430 if remoteheads is None:
fff0a71f8177 discovery: cleanup of variable names and comments
Mads Kiilerich <madski@unity3d.com>
parents: 20225
diff changeset
431 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
432 dhs = list(newhs)
26585
b38d93735a4f discovery: rename 'error' to 'errormsg'
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 25944
diff changeset
433 if errormsg is None:
43049
6e8582ccf76d discovery: re-wrap expression to avoid a black bug
Augie Fackler <augie@google.com>
parents: 42978
diff changeset
434 errormsg = (
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
435 _(b"push creates new branch '%s' with multiple heads")
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43049
diff changeset
436 % branch
43049
6e8582ccf76d discovery: re-wrap expression to avoid a black bug
Augie Fackler <augie@google.com>
parents: 42978
diff changeset
437 )
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43049
diff changeset
438 hint = _(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
439 b"merge or"
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
440 b" see 'hg help push' for details about"
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
441 b" pushing new heads"
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43049
diff changeset
442 )
19840
b00ba31313c3 discovery: abort also when pushing multiple headed new branch
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 18382
diff changeset
443 elif len(newhs) > len(oldhs):
20381
fff0a71f8177 discovery: cleanup of variable names and comments
Mads Kiilerich <madski@unity3d.com>
parents: 20225
diff changeset
444 # 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
445 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
446 if dhs:
26585
b38d93735a4f discovery: rename 'error' to 'errormsg'
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 25944
diff changeset
447 if errormsg is None:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
448 if branch not in (b'default', None):
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43049
diff changeset
449 errormsg = _(
43117
8ff1ecfadcd1 cleanup: join string literals that are already on one line
Martin von Zweigbergk <martinvonz@google.com>
parents: 43106
diff changeset
450 b"push creates new remote head %s on branch '%s'!"
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43049
diff changeset
451 ) % (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
452 elif repo[dhs[0]].bookmarks():
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43049
diff changeset
453 errormsg = _(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
454 b"push creates new remote head %s "
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
455 b"with bookmark '%s'!"
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43049
diff changeset
456 ) % (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
457 else:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
458 errormsg = _(b"push creates new remote head %s!") % short(
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43049
diff changeset
459 dhs[0]
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43049
diff changeset
460 )
20381
fff0a71f8177 discovery: cleanup of variable names and comments
Mads Kiilerich <madski@unity3d.com>
parents: 20225
diff changeset
461 if unsyncedheads:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43049
diff changeset
462 hint = _(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
463 b"pull and merge or"
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
464 b" see 'hg help push' for details about"
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
465 b" pushing new heads"
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43049
diff changeset
466 )
15932
4154338f0bc0 discovery: diet discovery.prepush from non-discovery code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 15893
diff changeset
467 else:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43049
diff changeset
468 hint = _(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
469 b"merge or"
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
470 b" see 'hg help push' for details about"
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
471 b" pushing new heads"
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43049
diff changeset
472 )
20051
b988b3b19303 discovery: make note messages for new heads more readable
Mads Kiilerich <madski@unity3d.com>
parents: 20050
diff changeset
473 if branch is None:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
474 repo.ui.note(_(b"new remote heads:\n"))
20051
b988b3b19303 discovery: make note messages for new heads more readable
Mads Kiilerich <madski@unity3d.com>
parents: 20050
diff changeset
475 else:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
476 repo.ui.note(_(b"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
477 for h in dhs:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
478 repo.ui.note(b" %s\n" % short(h))
26585
b38d93735a4f discovery: rename 'error' to 'errormsg'
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 25944
diff changeset
479 if errormsg:
26587
56b2bcea2529 error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 26585
diff changeset
480 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
481
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43049
diff changeset
482
31586
df82f375fa00 checkheads: extract obsolete post processing in its own function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 29973
diff changeset
483 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
484 """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
485
32009
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
486 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
487 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
488
31586
df82f375fa00 checkheads: extract obsolete post processing in its own function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 29973
diff changeset
489 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
490 """
32009
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
491 # 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
492 #
32009
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
493 # * 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
494 #
32009
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
495 # * 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
496 # 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
497
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
498 # 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
499 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
500 unfi = repo.unfiltered()
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
501 tonode = unfi.changelog.node
43560
65d6770273c8 index: use `index.get_rev` in `discovery._postprocessobsolete`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43117
diff changeset
502 torev = unfi.changelog.index.get_rev
32009
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
503 public = phases.public
c6cb21ddf74a checkheads: upgrade the obsolescence postprocessing logic (issue4354)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31586
diff changeset
504 getphase = unfi._phasecache.phase
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43049
diff changeset
505 ispublic = lambda r: getphase(unfi, r) == public
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43049
diff changeset
506 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
507 hasoutmarker = functools.partial(pushingmarkerfor, unfi.obsstore, ispushed)
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508 successorsmarkers = unfi.obsstore.successors
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509 newhs = set() # final set of new heads
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510 discarded = set() # new head of fully replaced branch
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511
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512 localcandidate = set() # candidate heads known locally
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513 unknownheads = set() # candidate heads unknown locally
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514 for h in candidate_newhs:
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515 if h in unfi:
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516 localcandidate.add(h)
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517 else:
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518 if successorsmarkers.get(h) is not None:
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519 msg = (
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520 b'checkheads: remote head unknown locally has'
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521 b' local marker: %s\n'
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522 )
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523 repo.ui.debug(msg % hex(h))
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524 unknownheads.add(h)
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525
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526 # fast path the simple case
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527 if len(localcandidate) == 1:
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528 return unknownheads | set(candidate_newhs), set()
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529
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530 # actually process branch replacement
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531 while localcandidate:
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532 nh = localcandidate.pop()
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533 # run this check early to skip the evaluation of the whole branch
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534 if torev(nh) in futurecommon or ispublic(torev(nh)):
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535 newhs.add(nh)
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536 continue
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537
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538 # Get all revs/nodes on the branch exclusive to this head
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539 # (already filtered heads are "ignored"))
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540 branchrevs = unfi.revs(
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541 b'only(%n, (%ln+%ln))', nh, localcandidate, newhs
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542 )
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543 branchnodes = [tonode(r) for r in branchrevs]
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544
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545 # The branch won't be hidden on the remote if
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546 # * any part of it is public,
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547 # * any part of it is considered part of the result by previous logic,
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548 # * if we have no markers to push to obsolete it.
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549 if (
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550 any(ispublic(r) for r in branchrevs)
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551 or any(torev(n) in futurecommon for n in branchnodes)
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552 or any(not hasoutmarker(n) for n in branchnodes)
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553 ):
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diff changeset
554 newhs.add(nh)
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555 else:
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diff changeset
556 # note: there is a corner case if there is a merge in the branch.
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557 # we might end up with -more- heads. However, these heads are not
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558 # "added" by the push, but more by the "removal" on the remote so I
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diff changeset
559 # think is a okay to ignore them,
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560 discarded.add(nh)
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561 newhs |= unknownheads
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diff changeset
562 return newhs, discarded
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diff changeset
563
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564
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diff changeset
565 def pushingmarkerfor(obsstore, ispushed, node):
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diff changeset
566 """true if some markers are to be pushed for node
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diff changeset
567
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diff changeset
568 We cannot just look in to the pushed obsmarkers from the pushop because
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diff changeset
569 discovery might have filtered relevant markers. In addition listing all
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diff changeset
570 markers relevant to all changesets in the pushed set would be too expensive
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diff changeset
571 (O(len(repo)))
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diff changeset
572
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diff changeset
573 (note: There are cache opportunity in this function. but it would requires
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diff changeset
574 a two dimensional stack.)
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575 """
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diff changeset
576 successorsmarkers = obsstore.successors
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diff changeset
577 stack = [node]
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diff changeset
578 seen = set(stack)
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diff changeset
579 while stack:
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diff changeset
580 current = stack.pop()
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diff changeset
581 if ispushed(current):
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diff changeset
582 return True
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diff changeset
583 markers = successorsmarkers.get(current, ())
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diff changeset
584 # markers fields = ('prec', 'succs', 'flag', 'meta', 'date', 'parents')
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diff changeset
585 for m in markers:
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diff changeset
586 nexts = m[1] # successors
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587 if not nexts: # this is a prune marker
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diff changeset
588 nexts = m[5] or () # parents
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diff changeset
589 for n in nexts:
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diff changeset
590 if n not in seen:
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diff changeset
591 seen.add(n)
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diff changeset
592 stack.append(n)
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diff changeset
593 return False