Mercurial > evolve
annotate hgext3rd/topic/__init__.py @ 1909:36112e361ee4
stack: display the base of the stack
Displaying the first parent of the stack seems useful. I'm even tempted to call
it 't0' and have the topic still active when 'hg up t0' is used to move to the
base.
As a side effect we gain a way to denote that the stack is not linear. I'm not
super convinced that it is the right way to display it, but this is better than
no information.
author | Pierre-Yves David <pierre-yves.david@fb.com> |
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date | Mon, 14 Mar 2016 23:37:58 +0000 |
parents | dbd6d51e63f1 |
children | 535d975d3886 |
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1 # __init__.py - topic extension |
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2 # |
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3 # This software may be used and distributed according to the terms of the |
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4 # GNU General Public License version 2 or any later version. |
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5 """support for topic branches |
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6 |
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7 Topic branches are lightweight branches which |
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8 disappear when changes are finalized. |
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9 |
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10 This is sort of similar to a bookmark, but it applies to a whole |
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11 series instead of a single revision. |
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12 """ |
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13 import functools |
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14 import contextlib |
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15 import re |
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16 |
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17 from mercurial.i18n import _ |
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18 from mercurial import branchmap |
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19 from mercurial import bundle2 |
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20 from mercurial import changegroup |
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21 from mercurial import cmdutil |
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22 from mercurial import commands |
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23 from mercurial import context |
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24 from mercurial import discovery as discoverymod |
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25 from mercurial import error |
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26 from mercurial import exchange |
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27 from mercurial import extensions |
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28 from mercurial import localrepo |
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29 from mercurial import lock |
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30 from mercurial import merge |
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31 from mercurial import namespaces |
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32 from mercurial import node |
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33 from mercurial import obsolete |
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34 from mercurial import patch |
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35 from mercurial import phases |
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36 from mercurial import util |
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37 from mercurial import wireproto |
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38 |
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39 from . import constants |
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40 from . import revset as topicrevset |
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41 from . import destination |
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42 from . import stack |
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43 from . import topicmap |
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44 from . import discovery |
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45 |
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46 cmdtable = {} |
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47 command = cmdutil.command(cmdtable) |
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48 colortable = {'topic.stack.index': 'yellow', |
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49 'topic.stack.state.base': 'dim', |
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50 'topic.stack.state.clean': 'green', |
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51 'topic.stack.index.current': 'cyan', # random pick |
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52 'topic.stack.state.current': 'cyan bold', # random pick |
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53 'topic.stack.desc.current': 'cyan', # random pick |
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54 'topic.stack.state.unstable': 'red', |
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55 } |
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56 |
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57 testedwith = '3.7' |
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58 |
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59 def _contexttopic(self): |
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60 return self.extra().get(constants.extrakey, '') |
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61 context.basectx.topic = _contexttopic |
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62 |
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63 topicrev = re.compile(r'^t\d+$') |
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64 |
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65 def _namemap(repo, name): |
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66 if topicrev.match(name): |
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67 idx = int(name[1:]) |
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68 topic = repo.currenttopic |
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69 if not topic: |
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70 raise error.Abort(_('cannot resolve "%s": no active topic') % name) |
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71 revs = list(stack.getstack(repo, topic)) |
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72 try: |
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73 r = revs[idx] |
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74 except IndexError: |
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75 msg = _('cannot resolve "%s": topic "%s" has only %d changesets') |
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76 raise error.Abort(msg % (name, topic, len(revs))) |
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77 return [repo[r].node()] |
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78 return [ctx.node() for ctx in |
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79 repo.set('not public() and extra(topic, %s)', name)] |
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80 |
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81 def _nodemap(repo, node): |
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82 ctx = repo[node] |
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83 t = ctx.topic() |
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84 if t and ctx.phase() > phases.public: |
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85 return [t] |
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86 return [] |
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87 |
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88 def uisetup(ui): |
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89 destination.setupdest() |
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90 |
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91 @contextlib.contextmanager |
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92 def usetopicmap(repo): |
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93 """use awful monkey patching to update the topic cache""" |
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94 oldbranchcache = branchmap.branchcache |
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95 oldfilename = branchmap._filename |
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96 oldread = branchmap.read |
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97 oldcaches = getattr(repo, '_branchcaches', {}) |
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98 try: |
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99 branchmap.branchcache = topicmap.topiccache |
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100 branchmap._filename = topicmap._filename |
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101 branchmap.read = topicmap.readtopicmap |
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102 repo._branchcaches = getattr(repo, '_topiccaches', {}) |
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103 yield |
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104 repo._topiccaches = repo._branchcaches |
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105 finally: |
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106 repo._branchcaches = oldcaches |
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107 branchmap.branchcache = oldbranchcache |
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108 branchmap._filename = oldfilename |
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109 branchmap.read = oldread |
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110 |
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111 def cgapply(orig, repo, *args, **kwargs): |
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112 with usetopicmap(repo): |
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113 return orig(repo, *args, **kwargs) |
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114 |
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115 def reposetup(ui, repo): |
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116 orig = repo.__class__ |
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117 if not isinstance(repo, localrepo.localrepository): |
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118 return # this can be a peer in the ssh case (puzzling) |
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119 class topicrepo(repo.__class__): |
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120 |
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121 def _restrictcapabilities(self, caps): |
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122 caps = super(topicrepo, self)._restrictcapabilities(caps) |
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123 caps.add('topics') |
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124 return caps |
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125 |
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126 def commit(self, *args, **kwargs): |
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127 backup = self.ui.backupconfig('ui', 'allowemptycommit') |
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128 try: |
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129 if repo.currenttopic != repo['.'].topic(): |
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130 # bypass the core "nothing changed" logic |
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131 self.ui.setconfig('ui', 'allowemptycommit', True) |
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132 return orig.commit(self, *args, **kwargs) |
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133 finally: |
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134 self.ui.restoreconfig(backup) |
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135 |
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136 def commitctx(self, ctx, error=None): |
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137 if isinstance(ctx, context.workingcommitctx): |
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138 current = self.currenttopic |
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139 if current: |
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140 ctx.extra()[constants.extrakey] = current |
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141 if (isinstance(ctx, context.memctx) and |
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142 ctx.extra().get('amend_source') and |
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143 ctx.topic() and |
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144 not self.currenttopic): |
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145 # we are amending and need to remove a topic |
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146 del ctx.extra()[constants.extrakey] |
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147 with usetopicmap(self): |
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148 return orig.commitctx(self, ctx, error=error) |
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149 |
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150 @property |
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151 def topics(self): |
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152 topics = set(['', self.currenttopic]) |
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153 for c in self.set('not public()'): |
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154 topics.add(c.topic()) |
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155 topics.remove('') |
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156 return topics |
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157 |
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158 @property |
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159 def currenttopic(self): |
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160 return self.vfs.tryread('topic') |
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161 |
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162 def branchmap(self, topic=True): |
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163 if not topic: |
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164 super(topicrepo, self).branchmap() |
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165 with usetopicmap(self): |
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166 branchmap.updatecache(self) |
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167 return self._topiccaches[self.filtername] |
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168 |
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169 def destroyed(self, *args, **kwargs): |
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170 with usetopicmap(self): |
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171 return super(topicrepo, self).destroyed(*args, **kwargs) |
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172 |
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173 def invalidatecaches(self): |
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174 super(topicrepo, self).invalidatecaches() |
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175 if '_topiccaches' in vars(self.unfiltered()): |
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176 self.unfiltered()._topiccaches.clear() |
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177 |
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178 def peer(self): |
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179 peer = super(topicrepo, self).peer() |
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180 if getattr(peer, '_repo', None) is not None: # localpeer |
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181 class topicpeer(peer.__class__): |
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182 def branchmap(self): |
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183 usetopic = not self._repo.publishing() |
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184 return self._repo.branchmap(topic=usetopic) |
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185 peer.__class__ = topicpeer |
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186 return peer |
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187 |
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188 |
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189 repo.__class__ = topicrepo |
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190 if util.safehasattr(repo, 'names'): |
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191 repo.names.addnamespace(namespaces.namespace( |
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192 'topics', 'topic', namemap=_namemap, nodemap=_nodemap, |
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193 listnames=lambda repo: repo.topics)) |
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194 |
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195 @command('topics [TOPIC]', [ |
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196 ('', 'clear', False, 'clear active topic if any'), |
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197 ('', 'change', '', 'revset of existing revisions to change topic'), |
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198 ('l', 'list', False, 'show the stack of changeset in the topic'), |
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199 ] + commands.formatteropts) |
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200 def topics(ui, repo, topic='', clear=False, change=None, list=False, **opts): |
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201 """View current topic, set current topic, or see all topics.""" |
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202 if list: |
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203 if clear or change: |
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204 raise error.Abort(_("cannot use --clear or --change with --list")) |
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205 return stack.showstack(ui, repo, topic, opts) |
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206 |
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207 if change: |
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208 if not obsolete.isenabled(repo, obsolete.createmarkersopt): |
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209 raise error.Abort(_('must have obsolete enabled to use --change')) |
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210 if not topic and not clear: |
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211 raise error.Abort('changing topic requires a topic name or --clear') |
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212 if any(not c.mutable() for c in repo.set('%r and public()', change)): |
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213 raise error.Abort("can't change topic of a public change") |
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214 rewrote = 0 |
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215 needevolve = False |
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216 l = repo.lock() |
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217 txn = repo.transaction('rewrite-topics') |
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218 try: |
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219 for c in repo.set('%r', change): |
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220 def filectxfn(repo, ctx, path): |
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221 try: |
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222 return c[path] |
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223 except error.ManifestLookupError: |
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224 return None |
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225 fixedextra = dict(c.extra()) |
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226 ui.debug('old node id is %s\n' % node.hex(c.node())) |
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227 ui.debug('origextra: %r\n' % fixedextra) |
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228 newtopic = None if clear else topic |
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229 oldtopic = fixedextra.get(constants.extrakey, None) |
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230 if oldtopic == newtopic: |
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231 continue |
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232 if clear: |
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233 del fixedextra[constants.extrakey] |
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234 else: |
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235 fixedextra[constants.extrakey] = topic |
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236 if 'amend_source' in fixedextra: |
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237 # TODO: right now the commitctx wrapper in |
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238 # topicrepo overwrites the topic in extra if |
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239 # amend_source is set to support 'hg commit |
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240 # --amend'. Support for amend should be adjusted |
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241 # to not be so invasive. |
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242 del fixedextra['amend_source'] |
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243 ui.debug('changing topic of %s from %s to %s\n' % ( |
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244 c, oldtopic, newtopic)) |
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245 ui.debug('fixedextra: %r\n' % fixedextra) |
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246 mc = context.memctx( |
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247 repo, (c.p1().node(), c.p2().node()), c.description(), |
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248 c.files(), filectxfn, |
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249 user=c.user(), date=c.date(), extra=fixedextra) |
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250 newnode = repo.commitctx(mc) |
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251 ui.debug('new node id is %s\n' % node.hex(newnode)) |
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252 needevolve = needevolve or (len(c.children()) > 0) |
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253 obsolete.createmarkers(repo, [(c, (repo[newnode],))]) |
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254 rewrote += 1 |
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255 txn.close() |
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256 except: |
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257 try: |
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258 txn.abort() |
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259 finally: |
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260 repo.invalidate() |
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261 raise |
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262 finally: |
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263 lock.release(txn, l) |
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264 ui.status('changed topic on %d changes\n' % rewrote) |
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265 if needevolve: |
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266 evolvetarget = 'topic(%s)' % topic if topic else 'not topic()' |
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267 ui.status('please run hg evolve --rev "%s" now\n' % evolvetarget) |
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268 if clear: |
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269 if repo.vfs.exists('topic'): |
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270 repo.vfs.unlink('topic') |
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271 return |
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272 if topic: |
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273 with repo.vfs.open('topic', 'w') as f: |
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274 f.write(topic) |
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275 return |
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276 current = repo.currenttopic |
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277 for t in sorted(repo.topics): |
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278 marker = '*' if t == current else ' ' |
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279 ui.write(' %s %s\n' % (marker, t)) |
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280 |
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281 def summaryhook(ui, repo): |
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282 t = repo.currenttopic |
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283 if not t: |
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284 return |
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285 # i18n: column positioning for "hg summary" |
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286 ui.write(_("topic: %s\n") % t) |
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287 |
1850 | 288 def commitwrap(orig, ui, repo, *args, **opts): |
289 if opts.get('topic'): | |
290 t = opts['topic'] | |
291 with repo.vfs.open('topic', 'w') as f: | |
292 f.write(t) | |
293 return orig(ui, repo, *args, **opts) | |
294 | |
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295 def committextwrap(orig, repo, ctx, subs, extramsg): |
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296 ret = orig(repo, ctx, subs, extramsg) |
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297 t = repo.currenttopic |
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298 if t: |
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299 ret = ret.replace("\nHG: branch", |
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300 "\nHG: topic '%s'\nHG: branch" % t) |
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301 return ret |
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302 |
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303 def mergeupdatewrap(orig, repo, node, branchmerge, force, *args, **kwargs): |
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304 partial = bool(len(args)) or 'matcher' in kwargs |
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305 wlock = repo.wlock() |
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306 try: |
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307 ret = orig(repo, node, branchmerge, force, *args, **kwargs) |
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308 if not partial and not branchmerge: |
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309 ot = repo.currenttopic |
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310 t = '' |
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311 pctx = repo[node] |
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312 if pctx.phase() > phases.public: |
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313 t = pctx.topic() |
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314 with repo.vfs.open('topic', 'w') as f: |
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315 f.write(t) |
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316 if t and t != ot: |
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317 repo.ui.status(_("switching to topic %s\n") % t) |
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318 return ret |
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319 finally: |
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320 wlock.release() |
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321 |
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322 def _fixrebase(loaded): |
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323 if not loaded: |
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324 return |
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325 |
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326 def savetopic(ctx, extra): |
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327 if ctx.topic(): |
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328 extra[constants.extrakey] = ctx.topic() |
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329 |
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330 def newmakeextrafn(orig, copiers): |
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331 return orig(copiers + [savetopic]) |
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332 |
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333 rebase = extensions.find("rebase") |
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334 extensions.wrapfunction(rebase, '_makeextrafn', newmakeextrafn) |
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335 |
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336 def _exporttopic(seq, ctx): |
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337 topic = ctx.topic() |
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338 if topic: |
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339 return 'EXP-Topic %s' % topic |
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340 return None |
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341 |
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342 def _importtopic(repo, patchdata, extra, opts): |
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343 if 'topic' in patchdata: |
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344 extra['topic'] = patchdata['topic'] |
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345 |
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346 extensions.afterloaded('rebase', _fixrebase) |
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rebase: teach rebase how to copy topics
Matt Mackall <mpm@selenic.com>
parents:
1853
diff
changeset
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347 |
1850 | 348 entry = extensions.wrapcommand(commands.table, 'commit', commitwrap) |
349 entry[1].append(('t', 'topic', '', | |
350 _("use specified topic"), _('TOPIC'))) | |
351 | |
1852
3084687f7994
commit: add a topic field to the in-editor commit text
Matt Mackall <mpm@selenic.com>
parents:
1851
diff
changeset
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352 extensions.wrapfunction(cmdutil, 'buildcommittext', committextwrap) |
1853
8db7828751b7
topic: wrap the underlying update function rather than the command
Matt Mackall <mpm@selenic.com>
parents:
1852
diff
changeset
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353 extensions.wrapfunction(merge, 'update', mergeupdatewrap) |
1886
0504e76bfbd9
push: allow pushing new topic to non-publishing server by default
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
1885
diff
changeset
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354 extensions.wrapfunction(discoverymod, '_headssummary', discovery._headssummary) |
0504e76bfbd9
push: allow pushing new topic to non-publishing server by default
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
1885
diff
changeset
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355 extensions.wrapfunction(wireproto, 'branchmap', discovery.wireprotobranchmap) |
1903
58cdf061d49a
topic: don't take topic into account when pushing to non-topic repo
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
1901
diff
changeset
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356 extensions.wrapfunction(wireproto, '_capabilities', discovery.wireprotocaps) |
1887
68125d026b07
push: hackish handeling of new branch head from phase move
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
1886
diff
changeset
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357 extensions.wrapfunction(bundle2, 'handlecheckheads', discovery.handlecheckheads) |
68125d026b07
push: hackish handeling of new branch head from phase move
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
1886
diff
changeset
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358 bundle2.handlecheckheads.params = frozenset() # we need a proper wrape b2 part stuff |
68125d026b07
push: hackish handeling of new branch head from phase move
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
1886
diff
changeset
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359 bundle2.parthandlermapping['check:heads'] = bundle2.handlecheckheads |
68125d026b07
push: hackish handeling of new branch head from phase move
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
1886
diff
changeset
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360 extensions.wrapfunction(exchange, '_pushb2phases', discovery._pushb2phases) |
1889
d9b929bcc3ad
topicmap: ensure that 'served' view is updated with topicmap
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
1888
diff
changeset
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361 extensions.wrapfunction(changegroup.cg1unpacker, 'apply', cgapply) |
1887
68125d026b07
push: hackish handeling of new branch head from phase move
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
1886
diff
changeset
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362 exchange.b2partsgenmapping['phase'] = exchange._pushb2phases |
1843
0ba067a97d06
revset: add a topic() revset for querying topics
Augie Fackler <augie@google.com>
parents:
1842
diff
changeset
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363 topicrevset.modsetup() |
1848
9a81657deec2
summary: add topic summary hook
Matt Mackall <mpm@selenic.com>
parents:
1847
diff
changeset
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364 cmdutil.summaryhooks.add('topic', summaryhook) |
1866
13fc93fb7fbe
patch: add topic to exported patch
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
1863
diff
changeset
|
365 |
13fc93fb7fbe
patch: add topic to exported patch
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
1863
diff
changeset
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366 if util.safehasattr(cmdutil, 'extraexport'): |
13fc93fb7fbe
patch: add topic to exported patch
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
1863
diff
changeset
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367 cmdutil.extraexport.append('topic') |
13fc93fb7fbe
patch: add topic to exported patch
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
1863
diff
changeset
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368 cmdutil.extraexportmap['topic'] = _exporttopic |
1867
c9cacc62fa17
patch: import topic from patch header
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
1866
diff
changeset
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369 if util.safehasattr(cmdutil, 'extrapreimport'): |
c9cacc62fa17
patch: import topic from patch header
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
1866
diff
changeset
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370 cmdutil.extrapreimport.append('topic') |
c9cacc62fa17
patch: import topic from patch header
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
1866
diff
changeset
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371 cmdutil.extrapreimportmap['topic'] = _importtopic |
c9cacc62fa17
patch: import topic from patch header
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
1866
diff
changeset
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372 if util.safehasattr(patch, 'patchheadermap'): |
c9cacc62fa17
patch: import topic from patch header
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
1866
diff
changeset
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373 patch.patchheadermap.append(('EXP-Topic', 'topic')) |