Mercurial > evolve

annotate src/topic/__init__.py @ 1884:8a53f99d9061

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testedwith: declare compatibility with Mercurial 3.7
author Augie Fackler <raf@durin42.com>
date Mon, 14 Mar 2016 20:18:09 -0400
parents 69077c65919d
children d49f75eab6a3
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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
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15 from mercurial.i18n import _
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16 from mercurial import cmdutil
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17 from mercurial import commands
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18 from mercurial import context
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19 from mercurial import error
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20 from mercurial import extensions
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21 from mercurial import lock
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22 from mercurial import merge
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23 from mercurial import namespaces
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24 from mercurial import node
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25 from mercurial import obsolete
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26 from mercurial import patch
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27 from mercurial import phases
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28 from mercurial import util
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29
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30 from . import constants
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31 from . import revset as topicrevset
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32 from . import destination
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33
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34 cmdtable = {}
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35 command = cmdutil.command(cmdtable)
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36
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37 testedwith = '3.7'
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38
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39 def _contexttopic(self):
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40 return self.extra().get(constants.extrakey, '')
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41 context.basectx.topic = _contexttopic
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42
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43 def _namemap(repo, name):
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44 return [ctx.node() for ctx in
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45 repo.set('not public() and extra(topic, %s)', name)]
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46
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47 def _nodemap(repo, node):
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48 ctx = repo[node]
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49 t = ctx.topic()
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50 if t and ctx.phase() > phases.public:
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51 return [t]
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52 return []
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53
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54 def uisetup(ui):
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55 destination.setupdest()
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56
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57 def reposetup(ui, repo):
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58 orig = repo.__class__
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59 class topicrepo(repo.__class__):
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60 def commit(self, *args, **kwargs):
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61 backup = self.ui.backupconfig('ui', 'allowemptycommit')
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62 try:
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63 if repo.currenttopic != repo['.'].topic():
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64 # bypass the core "nothing changed" logic
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65 self.ui.setconfig('ui', 'allowemptycommit', True)
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66 return orig.commit(self, *args, **kwargs)
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67 finally:
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68 self.ui.restoreconfig(backup)
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69
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70 def commitctx(self, ctx, error=None):
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71 if isinstance(ctx, context.workingcommitctx):
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72 current = self.currenttopic
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73 if current:
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74 ctx.extra()[constants.extrakey] = current
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75 if (isinstance(ctx, context.memctx) and
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76 ctx.extra().get('amend_source') and
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77 ctx.topic() and
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78 not self.currenttopic):
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79 # we are amending and need to remove a topic
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80 del ctx.extra()[constants.extrakey]
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81 return orig.commitctx(self, ctx, error=error)
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82
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83 @property
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84 def topics(self):
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85 topics = set(['', self.currenttopic])
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86 for c in self.set('not public()'):
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87 topics.add(c.topic())
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88 topics.remove('')
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89 return topics
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90
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91 @property
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92 def currenttopic(self):
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93 return self.vfs.tryread('topic')
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94
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95 repo.__class__ = topicrepo
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96 if util.safehasattr(repo, 'names'):
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97 repo.names.addnamespace(namespaces.namespace(
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98 'topics', 'topic', namemap=_namemap, nodemap=_nodemap,
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99 listnames=lambda repo: repo.topics))
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100
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101 @command('topics [TOPIC]', [
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102 ('', 'clear', False, 'clear active topic if any'),
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103 ('', 'change', '', 'revset of existing revisions to change topic'),
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104 ])
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105 def topics(ui, repo, topic='', clear=False, change=None):
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106 """View current topic, set current topic, or see all topics."""
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107 if change:
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108 if not obsolete.isenabled(repo, obsolete.createmarkersopt):
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109 raise util.Abort(_('must have obsolete enabled to use --change'))
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110 if not topic and not clear:
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111 raise util.Abort('changing topic requires a topic name or --clear')
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112 if any(not c.mutable() for c in repo.set('%r and public()', change)):
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113 raise util.Abort("can't change topic of a public change")
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114 rewrote = 0
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115 needevolve = False
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116 l = repo.lock()
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117 txn = repo.transaction('rewrite-topics')
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118 try:
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119 for c in repo.set('%r', change):
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120 def filectxfn(repo, ctx, path):
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121 try:
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122 return c[path]
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123 except error.ManifestLookupError:
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124 return None
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125 fixedextra = dict(c.extra())
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126 ui.debug('old node id is %s\n' % node.hex(c.node()))
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127 ui.debug('origextra: %r\n' % fixedextra)
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128 newtopic = None if clear else topic
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129 oldtopic = fixedextra.get(constants.extrakey, None)
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130 if oldtopic == newtopic:
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131 continue
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132 if clear:
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133 del fixedextra[constants.extrakey]
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134 else:
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135 fixedextra[constants.extrakey] = topic
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136 if 'amend_source' in fixedextra:
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137 # TODO: right now the commitctx wrapper in
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138 # topicrepo overwrites the topic in extra if
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139 # amend_source is set to support 'hg commit
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140 # --amend'. Support for amend should be adjusted
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Augie Fackler <raf@durin42.com>
parents: 1873
diff changeset
141 # to not be so invasive.
ec28b6c3414a topic: fix changing topics of commits that have an amend_source
Augie Fackler <raf@durin42.com>
parents: 1873
diff changeset
142 del fixedextra['amend_source']
1872
4fcee38d71d6 topic: fix up change logic a little and add debug logging
Augie Fackler <raf@durin42.com>
parents: 1871
diff changeset
143 ui.debug('changing topic of %s from %s to %s\n' % (
4fcee38d71d6 topic: fix up change logic a little and add debug logging
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parents: 1871
diff changeset
144 c, oldtopic, newtopic))
4fcee38d71d6 topic: fix up change logic a little and add debug logging
Augie Fackler <raf@durin42.com>
parents: 1871
diff changeset
145 ui.debug('fixedextra: %r\n' % fixedextra)
1856
7d7f5f9e2f8c rewrite: use a lock and transaction as spotted by devel warnings
Augie Fackler <augie@google.com>
parents: 1855
diff changeset
146 mc = context.memctx(
7d7f5f9e2f8c rewrite: use a lock and transaction as spotted by devel warnings
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parents: 1855
diff changeset
147 repo, (c.p1().node(), c.p2().node()), c.description(),
7d7f5f9e2f8c rewrite: use a lock and transaction as spotted by devel warnings
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parents: 1855
diff changeset
148 c.files(), filectxfn,
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parents: 1855
diff changeset
149 user=c.user(), date=c.date(), extra=fixedextra)
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parents: 1855
diff changeset
150 newnode = repo.commitctx(mc)
1872
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parents: 1871
diff changeset
151 ui.debug('new node id is %s\n' % node.hex(newnode))
1856
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parents: 1855
diff changeset
152 needevolve = needevolve or (len(c.children()) > 0)
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parents: 1855
diff changeset
153 obsolete.createmarkers(repo, [(c, (repo[newnode],))])
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parents: 1855
diff changeset
154 rewrote += 1
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Augie Fackler <augie@google.com>
parents: 1855
diff changeset
155 txn.close()
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parents: 1855
diff changeset
156 except:
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Augie Fackler <augie@google.com>
parents: 1855
diff changeset
157 try:
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Augie Fackler <augie@google.com>
parents: 1855
diff changeset
158 txn.abort()
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Augie Fackler <augie@google.com>
parents: 1855
diff changeset
159 finally:
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Augie Fackler <augie@google.com>
parents: 1855
diff changeset
160 repo.invalidate()
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Augie Fackler <augie@google.com>
parents: 1855
diff changeset
161 raise
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Augie Fackler <augie@google.com>
parents: 1855
diff changeset
162 finally:
7d7f5f9e2f8c rewrite: use a lock and transaction as spotted by devel warnings
Augie Fackler <augie@google.com>
parents: 1855
diff changeset
163 lock.release(txn, l)
1844
862cabc132fd topic: add ability to change topic of non-public changes
Augie Fackler <augie@google.com>
parents: 1843
diff changeset
164 ui.status('changed topic on %d changes\n' % rewrote)
862cabc132fd topic: add ability to change topic of non-public changes
Augie Fackler <augie@google.com>
parents: 1843
diff changeset
165 if needevolve:
862cabc132fd topic: add ability to change topic of non-public changes
Augie Fackler <augie@google.com>
parents: 1843
diff changeset
166 evolvetarget = 'topic(%s)' % topic if topic else 'not topic()'
862cabc132fd topic: add ability to change topic of non-public changes
Augie Fackler <augie@google.com>
parents: 1843
diff changeset
167 ui.status('please run hg evolve --rev "%s" now\n' % evolvetarget)
1839
1bc5e62fc0c7 Initial dumb version of topics.
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parents:
diff changeset
168 if clear:
1bc5e62fc0c7 Initial dumb version of topics.
Augie Fackler <augie@google.com>
parents:
diff changeset
169 if repo.vfs.exists('topic'):
1bc5e62fc0c7 Initial dumb version of topics.
Augie Fackler <augie@google.com>
parents:
diff changeset
170 repo.vfs.unlink('topic')
1bc5e62fc0c7 Initial dumb version of topics.
Augie Fackler <augie@google.com>
parents:
diff changeset
171 return
1860
b7b9e5028c2a topics: consistently use empty string instead of None
Matt Mackall <mpm@selenic.com>
parents: 1859
diff changeset
172 if topic:
1839
1bc5e62fc0c7 Initial dumb version of topics.
Augie Fackler <augie@google.com>
parents:
diff changeset
173 with repo.vfs.open('topic', 'w') as f:
1bc5e62fc0c7 Initial dumb version of topics.
Augie Fackler <augie@google.com>
parents:
diff changeset
174 f.write(topic)
1bc5e62fc0c7 Initial dumb version of topics.
Augie Fackler <augie@google.com>
parents:
diff changeset
175 return
1bc5e62fc0c7 Initial dumb version of topics.
Augie Fackler <augie@google.com>
parents:
diff changeset
176 current = repo.currenttopic
1bc5e62fc0c7 Initial dumb version of topics.
Augie Fackler <augie@google.com>
parents:
diff changeset
177 for t in sorted(repo.topics):
1bc5e62fc0c7 Initial dumb version of topics.
Augie Fackler <augie@google.com>
parents:
diff changeset
178 marker = '*' if t == current else ' '
1bc5e62fc0c7 Initial dumb version of topics.
Augie Fackler <augie@google.com>
parents:
diff changeset
179 ui.write(' %s %s\n' % (marker, t))
1bc5e62fc0c7 Initial dumb version of topics.
Augie Fackler <augie@google.com>
parents:
diff changeset
180
1848
9a81657deec2 summary: add topic summary hook
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parents: 1847
diff changeset
181 def summaryhook(ui, repo):
9a81657deec2 summary: add topic summary hook
Matt Mackall <mpm@selenic.com>
parents: 1847
diff changeset
182 t = repo.currenttopic
9a81657deec2 summary: add topic summary hook
Matt Mackall <mpm@selenic.com>
parents: 1847
diff changeset
183 if not t:
9a81657deec2 summary: add topic summary hook
Matt Mackall <mpm@selenic.com>
parents: 1847
diff changeset
184 return
9a81657deec2 summary: add topic summary hook
Matt Mackall <mpm@selenic.com>
parents: 1847
diff changeset
185 # i18n: column positioning for "hg summary"
9a81657deec2 summary: add topic summary hook
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parents: 1847
diff changeset
186 ui.write(_("topic: %s\n") % t)
1839
1bc5e62fc0c7 Initial dumb version of topics.
Augie Fackler <augie@google.com>
parents:
diff changeset
187
1850
0da6bf86b718 commit: add a --topic flag
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parents: 1849
diff changeset
188 def commitwrap(orig, ui, repo, *args, **opts):
0da6bf86b718 commit: add a --topic flag
Matt Mackall <mpm@selenic.com>
parents: 1849
diff changeset
189 if opts.get('topic'):
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parents: 1849
diff changeset
190 t = opts['topic']
0da6bf86b718 commit: add a --topic flag
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parents: 1849
diff changeset
191 with repo.vfs.open('topic', 'w') as f:
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parents: 1849
diff changeset
192 f.write(t)
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parents: 1849
diff changeset
193 return orig(ui, repo, *args, **opts)
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parents: 1849
diff changeset
194
1852
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parents: 1851
diff changeset
195 def committextwrap(orig, repo, ctx, subs, extramsg):
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parents: 1851
diff changeset
196 ret = orig(repo, ctx, subs, extramsg)
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parents: 1851
diff changeset
197 t = repo.currenttopic
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parents: 1851
diff changeset
198 if t:
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parents: 1851
diff changeset
199 ret = ret.replace("\nHG: branch",
3084687f7994 commit: add a topic field to the in-editor commit text
Matt Mackall <mpm@selenic.com>
parents: 1851
diff changeset
200 "\nHG: topic '%s'\nHG: branch" % t)
3084687f7994 commit: add a topic field to the in-editor commit text
Matt Mackall <mpm@selenic.com>
parents: 1851
diff changeset
201 return ret
3084687f7994 commit: add a topic field to the in-editor commit text
Matt Mackall <mpm@selenic.com>
parents: 1851
diff changeset
202
1877
69077c65919d topic: handle merge.update function signature change
Augie Fackler <raf@durin42.com>
parents: 1874
diff changeset
203 def mergeupdatewrap(orig, repo, node, branchmerge, force, *args, **kwargs):
69077c65919d topic: handle merge.update function signature change
Augie Fackler <raf@durin42.com>
parents: 1874
diff changeset
204 partial = bool(len(args)) or 'matcher' in kwargs
1853
8db7828751b7 topic: wrap the underlying update function rather than the command
Matt Mackall <mpm@selenic.com>
parents: 1852
diff changeset
205 wlock = repo.wlock()
8db7828751b7 topic: wrap the underlying update function rather than the command
Matt Mackall <mpm@selenic.com>
parents: 1852
diff changeset
206 try:
1877
69077c65919d topic: handle merge.update function signature change
Augie Fackler <raf@durin42.com>
parents: 1874
diff changeset
207 ret = orig(repo, node, branchmerge, force, *args, **kwargs)
1853
8db7828751b7 topic: wrap the underlying update function rather than the command
Matt Mackall <mpm@selenic.com>
parents: 1852
diff changeset
208 if not partial and not branchmerge:
8db7828751b7 topic: wrap the underlying update function rather than the command
Matt Mackall <mpm@selenic.com>
parents: 1852
diff changeset
209 ot = repo.currenttopic
8db7828751b7 topic: wrap the underlying update function rather than the command
Matt Mackall <mpm@selenic.com>
parents: 1852
diff changeset
210 t = ''
8db7828751b7 topic: wrap the underlying update function rather than the command
Matt Mackall <mpm@selenic.com>
parents: 1852
diff changeset
211 pctx = repo[node]
8db7828751b7 topic: wrap the underlying update function rather than the command
Matt Mackall <mpm@selenic.com>
parents: 1852
diff changeset
212 if pctx.phase() > phases.public:
1861
972d4e0c3d44 changectx: add topic method
Matt Mackall <mpm@selenic.com>
parents: 1860
diff changeset
213 t = pctx.topic()
1839
1bc5e62fc0c7 Initial dumb version of topics.
Augie Fackler <augie@google.com>
parents:
diff changeset
214 with repo.vfs.open('topic', 'w') as f:
1bc5e62fc0c7 Initial dumb version of topics.
Augie Fackler <augie@google.com>
parents:
diff changeset
215 f.write(t)
1853
8db7828751b7 topic: wrap the underlying update function rather than the command
Matt Mackall <mpm@selenic.com>
parents: 1852
diff changeset
216 if t and t != ot:
8db7828751b7 topic: wrap the underlying update function rather than the command
Matt Mackall <mpm@selenic.com>
parents: 1852
diff changeset
217 repo.ui.status(_("switching to topic %s\n") % t)
8db7828751b7 topic: wrap the underlying update function rather than the command
Matt Mackall <mpm@selenic.com>
parents: 1852
diff changeset
218 return ret
8db7828751b7 topic: wrap the underlying update function rather than the command
Matt Mackall <mpm@selenic.com>
parents: 1852
diff changeset
219 finally:
8db7828751b7 topic: wrap the underlying update function rather than the command
Matt Mackall <mpm@selenic.com>
parents: 1852
diff changeset
220 wlock.release()
1839
1bc5e62fc0c7 Initial dumb version of topics.
Augie Fackler <augie@google.com>
parents:
diff changeset
221
1854
67950fcf1c69 rebase: teach rebase how to copy topics
Matt Mackall <mpm@selenic.com>
parents: 1853
diff changeset
222 def _fixrebase(loaded):
67950fcf1c69 rebase: teach rebase how to copy topics
Matt Mackall <mpm@selenic.com>
parents: 1853
diff changeset
223 if not loaded:
67950fcf1c69 rebase: teach rebase how to copy topics
Matt Mackall <mpm@selenic.com>
parents: 1853
diff changeset
224 return
67950fcf1c69 rebase: teach rebase how to copy topics
Matt Mackall <mpm@selenic.com>
parents: 1853
diff changeset
225
67950fcf1c69 rebase: teach rebase how to copy topics
Matt Mackall <mpm@selenic.com>
parents: 1853
diff changeset
226 def savetopic(ctx, extra):
1861
972d4e0c3d44 changectx: add topic method
Matt Mackall <mpm@selenic.com>
parents: 1860
diff changeset
227 if ctx.topic():
972d4e0c3d44 changectx: add topic method
Matt Mackall <mpm@selenic.com>
parents: 1860
diff changeset
228 extra[constants.extrakey] = ctx.topic()
1854
67950fcf1c69 rebase: teach rebase how to copy topics
Matt Mackall <mpm@selenic.com>
parents: 1853
diff changeset
229
67950fcf1c69 rebase: teach rebase how to copy topics
Matt Mackall <mpm@selenic.com>
parents: 1853
diff changeset
230 def newmakeextrafn(orig, copiers):
67950fcf1c69 rebase: teach rebase how to copy topics
Matt Mackall <mpm@selenic.com>
parents: 1853
diff changeset
231 return orig(copiers + [savetopic])
67950fcf1c69 rebase: teach rebase how to copy topics
Matt Mackall <mpm@selenic.com>
parents: 1853
diff changeset
232
67950fcf1c69 rebase: teach rebase how to copy topics
Matt Mackall <mpm@selenic.com>
parents: 1853
diff changeset
233 rebase = extensions.find("rebase")
67950fcf1c69 rebase: teach rebase how to copy topics
Matt Mackall <mpm@selenic.com>
parents: 1853
diff changeset
234 extensions.wrapfunction(rebase, '_makeextrafn', newmakeextrafn)
67950fcf1c69 rebase: teach rebase how to copy topics
Matt Mackall <mpm@selenic.com>
parents: 1853
diff changeset
235
1866
13fc93fb7fbe patch: add topic to exported patch
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 1863
diff changeset
236 def _exporttopic(seq, ctx):
13fc93fb7fbe patch: add topic to exported patch
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 1863
diff changeset
237 topic = ctx.topic()
13fc93fb7fbe patch: add topic to exported patch
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 1863
diff changeset
238 if topic:
13fc93fb7fbe patch: add topic to exported patch
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 1863
diff changeset
239 return 'EXP-Topic %s' % topic
13fc93fb7fbe patch: add topic to exported patch
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 1863
diff changeset
240 return None
13fc93fb7fbe patch: add topic to exported patch
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 1863
diff changeset
241
1867
c9cacc62fa17 patch: import topic from patch header
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 1866
diff changeset
242 def _importtopic(repo, patchdata, extra, opts):
c9cacc62fa17 patch: import topic from patch header
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 1866
diff changeset
243 if 'topic' in patchdata:
c9cacc62fa17 patch: import topic from patch header
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 1866
diff changeset
244 extra['topic'] = patchdata['topic']
c9cacc62fa17 patch: import topic from patch header
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 1866
diff changeset
245
1854
67950fcf1c69 rebase: teach rebase how to copy topics
Matt Mackall <mpm@selenic.com>
parents: 1853
diff changeset
246 extensions.afterloaded('rebase', _fixrebase)
67950fcf1c69 rebase: teach rebase how to copy topics
Matt Mackall <mpm@selenic.com>
parents: 1853
diff changeset
247
1850
0da6bf86b718 commit: add a --topic flag
Matt Mackall <mpm@selenic.com>
parents: 1849
diff changeset
248 entry = extensions.wrapcommand(commands.table, 'commit', commitwrap)
0da6bf86b718 commit: add a --topic flag
Matt Mackall <mpm@selenic.com>
parents: 1849
diff changeset
249 entry[1].append(('t', 'topic', '',
0da6bf86b718 commit: add a --topic flag
Matt Mackall <mpm@selenic.com>
parents: 1849
diff changeset
250 _("use specified topic"), _('TOPIC')))
0da6bf86b718 commit: add a --topic flag
Matt Mackall <mpm@selenic.com>
parents: 1849
diff changeset
251
1852
3084687f7994 commit: add a topic field to the in-editor commit text
Matt Mackall <mpm@selenic.com>
parents: 1851
diff changeset
252 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
253 extensions.wrapfunction(merge, 'update', mergeupdatewrap)
1843
0ba067a97d06 revset: add a topic() revset for querying topics
Augie Fackler <augie@google.com>
parents: 1842
diff changeset
254 topicrevset.modsetup()
1848
9a81657deec2 summary: add topic summary hook
Matt Mackall <mpm@selenic.com>
parents: 1847
diff changeset
255 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
256
13fc93fb7fbe patch: add topic to exported patch
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 1863
diff changeset
257 if util.safehasattr(cmdutil, 'extraexport'):
13fc93fb7fbe patch: add topic to exported patch
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 1863
diff changeset
258 cmdutil.extraexport.append('topic')
13fc93fb7fbe patch: add topic to exported patch
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 1863
diff changeset
259 cmdutil.extraexportmap['topic'] = _exporttopic
1867
c9cacc62fa17 patch: import topic from patch header
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 1866
diff changeset
260 if util.safehasattr(cmdutil, 'extrapreimport'):
c9cacc62fa17 patch: import topic from patch header
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 1866
diff changeset
261 cmdutil.extrapreimport.append('topic')
c9cacc62fa17 patch: import topic from patch header
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 1866
diff changeset
262 cmdutil.extrapreimportmap['topic'] = _importtopic
c9cacc62fa17 patch: import topic from patch header
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 1866
diff changeset
263 if util.safehasattr(patch, 'patchheadermap'):
c9cacc62fa17 patch: import topic from patch header
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 1866
diff changeset
264 patch.patchheadermap.append(('EXP-Topic', 'topic'))