Mercurial > evolve

annotate src/topic/destination.py @ 1892:b1fadc089b82

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update: change default update destination to take topic in account When within a branch update to ngtip(branch). When within a topic update to the top topic.
author Pierre-Yves David <pierre-yves.david@fb.com>
date Sun, 13 Mar 2016 12:29:43 +0000
parents 077c40f206d1
children 27ea12c05e99
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1870
8dd5200b4086 topic: introduce a 'ngtip' concept
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
diff changeset
1 from mercurial import error
1871
58ef5699fb35 merge: use topic to pick default destination
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 1870
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2 from mercurial import util
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parents: 1870
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3 from mercurial import destutil
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parents: 1870
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4 from mercurial import extensions
1892
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Pierre-Yves David <pierre-yves.david@fb.com>
parents: 1891
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5 from mercurial import bookmarks
1871
58ef5699fb35 merge: use topic to pick default destination
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 1870
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6 from mercurial.i18n import _
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parents: 1870
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7
1878
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parents: 1871
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8 def _destmergebranch(orig, repo, action='merge', sourceset=None, onheadcheck=True):
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Pierre-Yves David <pierre-yves.david@fb.com>
parents: 1870
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9 p1 = repo['.']
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parents: 1870
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10 top = p1.topic()
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parents: 1870
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11 if top:
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parents: 1870
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12 heads = repo.revs('heads(topic(.)::topic(.))')
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parents: 1870
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13 if p1.rev() not in heads:
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parents: 1870
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14 raise error.Abort(_("not at topic head, update or explicit"))
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parents: 1870
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15 elif 1 == len(heads):
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parents: 1870
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16 # should look at all branch involved but... later
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parents: 1870
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17 bhead = ngtip(repo, p1.branch(), all=True)
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parents: 1870
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18 if not bhead:
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parents: 1870
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19 raise error.Abort(_("nothing to merge"))
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parents: 1870
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20 elif 1 == len(bhead):
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parents: 1870
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21 return bhead.first()
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22 else:
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parents: 1870
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23 raise error.Abort(_("branch '%s' has %d heads - "
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parents: 1870
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24 "please merge with an explicit rev")
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25 % (p1.branch(), len(bhead)),
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26 hint=_("run 'hg heads .' to see heads"))
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parents: 1870
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27 elif 2 == len(heads):
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parents: 1870
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28 heads = [r for r in heads if r != p1.rev()]
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parents: 1870
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29 # XXX: bla bla bla bla bla
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30 if 1 < len(heads):
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parents: 1870
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31 raise error.Abort(_('working directory not at a head revision'),
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32 hint=_("use 'hg update' or merge with an "
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parents: 1870
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33 "explicit revision"))
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34 return heads[0]
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35 elif 2 < len(heads):
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36 raise error.Abort(_("topic '%s' has %d heads - "
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parents: 1870
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37 "please merge with an explicit rev")
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parents: 1870
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38 % (top, len(heads)))
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parents: 1870
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39 else:
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40 assert False # that's impossible
1878
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parents: 1871
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41 if orig.func_default: # version above hg-3.7
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parents: 1871
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42 return orig(repo, action, sourceset, onheadcheck)
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parents: 1871
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43 else:
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44 return orig(repo)
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parents: 1870
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45
1892
b1fadc089b82 update: change default update destination to take topic in account
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parents: 1891
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46 def _destupdatetopic(repo, clean, check):
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parents: 1891
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47 """decide on an update destination from current topic"""
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parents: 1891
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48 movemark = node = None
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49 topic = repo.currenttopic
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parents: 1891
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50 revs = repo.revs('.::topic("%s")' % topic)
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parents: 1891
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51 if not revs:
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52 return None, None, None
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parents: 1891
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53 node = revs.last()
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parents: 1891
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54 if bookmarks.isactivewdirparent(repo):
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parents: 1891
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55 movemark = repo['.'].node()
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parents: 1891
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56 return node, movemark, None
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parents: 1891
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57
1871
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parents: 1870
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58 def setupdest():
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parents: 1870
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59 if util.safehasattr(destutil, '_destmergebranch'):
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parents: 1870
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60 extensions.wrapfunction(destutil, '_destmergebranch', _destmergebranch)
1891
077c40f206d1 rebase: test default rebase destination behavior
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 1878
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61 rebase = extensions.find('rebase')
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parents: 1878
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62 if (util.safehasattr(rebase, '_destrebase')
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parents: 1878
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63 # logic not shared with merge yet < hg-3.8
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parents: 1878
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64 and not util.safehasattr(rebase, '_definesets')):
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parents: 1878
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65 extensions.wrapfunction(rebase, '_destrebase', _destmergebranch)
1892
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parents: 1891
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66 if util.safehasattr(destutil, 'destupdatesteps'):
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parents: 1891
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67 bridx = destutil.destupdatesteps.index('branch')
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parents: 1891
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68 destutil.destupdatesteps.insert(bridx, 'topic')
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parents: 1891
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69 destutil.destupdatestepmap['topic'] = _destupdatetopic
1871
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parents: 1870
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70
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8dd5200b4086 topic: introduce a 'ngtip' concept
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71 def ngtip(repo, branch, all=False):
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72 """tip new generation"""
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73 ## search for untopiced heads of branch
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74 # could be heads((::branch(x) - topic()))
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75 # but that is expensive
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76 #
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77 # we should write plain code instead
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78 subquery = '''heads(
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79 parents(
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80 ancestor(
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81 (head() and branch(%s)
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82 or (topic() and branch(%s)))))
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83 ::(head() and branch(%s))
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84 - topic())'''
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85 if not all:
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86 subquery = 'max(%s)' % subquery
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87 return repo.revs(subquery, branch, branch, branch)