Mercurial > evolve
annotate hgext3rd/topic/destination.py @ 2653:13313d0cab71
topicmap: massive rework
Massively rework the way we build and use topicmap. This bring massive performance
benefit.
Topic map use to be a fully independant thing that we would switch on and off
globaly. The caching on disk was broken so the performance were atrocious.
Intead, now the topic are inherited from the 'immutable' map. We gave up on
storing them on disk for now since the mutable set is usually small enough.
The activation is done by hacking new "filter" on the repository and detection
when they are one. This is hacky but core is hard to wrap here.
Overall this whole wrapping is really scary and we should massage core API to
help it.
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Thu, 22 Jun 2017 10:13:29 +0200 |
parents | dd1055f38397 |
children | b18d2b2f18a6 |
rev | line source |
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1933
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destination: move to new style import
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parents:
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1 from __future__ import absolute_import |
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2 |
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3 from mercurial.i18n import _ |
1933
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4 from mercurial import ( |
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5 bookmarks, |
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6 destutil, |
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7 error, |
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8 extensions, |
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9 util, |
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10 ) |
1986
042356d5ba59
ngtip: rely on topicmap for 'ngtip'
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parents:
1984
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11 from . import topicmap |
1983
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12 from .evolvebits import builddependencies |
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13 |
1962
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compat: adapt to the new destspace argument of destmerge
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14 def _destmergebranch(orig, repo, action='merge', sourceset=None, |
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15 onheadcheck=True, destspace=None): |
1967
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destination: add an XXX about handling destspace in destmerge
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parents:
1964
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16 # XXX: take destspace into account |
1984
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destination: honor the sourceset argument of _destmerge
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parents:
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17 if sourceset is None: |
2006 | 18 p1 = repo['.'] |
1984
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19 else: |
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20 # XXX: using only the max here is flacky. That code should eventually |
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21 # be updated to take care of the whole sourceset. |
2006 | 22 p1 = repo[max(sourceset)] |
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23 top = p1.topic() |
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24 if top: |
1983
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25 revs = repo.revs('topic(%s) - obsolete()', top) |
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26 deps, rdeps = builddependencies(repo, revs) |
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27 heads = [r for r in revs if not rdeps[r]] |
1981
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destmerge: honor the 'onheadcheck' argument
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28 if onheadcheck and p1.rev() not in heads: |
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29 raise error.Abort(_("not at topic head, update or explicit")) |
1983
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30 |
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31 # prune heads above the source |
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32 otherheads = set(heads) |
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33 pool = set([p1.rev()]) |
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34 while pool: |
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35 current = pool.pop() |
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36 otherheads.discard(current) |
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37 pool.update(rdeps[current]) |
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38 if not otherheads: |
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39 # nothing to do at the topic level |
1871
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40 bhead = ngtip(repo, p1.branch(), all=True) |
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41 if not bhead: |
1980
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destination: use the correct abort class for error
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parents:
1969
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42 raise error.NoMergeDestAbort(_("nothing to merge")) |
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43 elif 1 == len(bhead): |
1986
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parents:
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44 return bhead[0] |
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45 else: |
1980
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parents:
1969
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46 msg = _("branch '%s' has %d heads " |
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47 "- please merge with an explicit rev") |
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48 hint = _("run 'hg heads .' to see heads") |
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49 raise error.ManyMergeDestAbort(msg % (p1.branch(), len(bhead)), |
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parents:
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50 hint=hint) |
1983
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parents:
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51 elif len(otherheads) == 1: |
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52 return otherheads.pop() |
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53 else: |
1980
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54 msg = _("topic '%s' has %d heads " |
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55 "- please merge with an explicit rev") % (top, len(heads)) |
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parents:
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56 raise error.ManyMergeDestAbort(msg) |
1962
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parents:
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57 if len(getattr(orig, 'func_defaults', ())) == 3: # version hg-3.7 |
1878
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58 return orig(repo, action, sourceset, onheadcheck) |
1962
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59 if 3 < len(getattr(orig, 'func_defaults', ())): # version hg-3.8 and above |
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60 return orig(repo, action, sourceset, onheadcheck, destspace=destspace) |
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61 else: |
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62 return orig(repo) |
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63 |
2017
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compat: handle difference of signature for update destination hooks
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2006
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64 def _destupdatetopic(repo, clean, check=None): |
1892
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65 """decide on an update destination from current topic""" |
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66 movemark = node = None |
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67 topic = repo.currenttopic |
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68 revs = repo.revs('.::topic("%s")' % topic) |
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69 if not revs: |
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70 return None, None, None |
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71 node = revs.last() |
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72 if bookmarks.isactivewdirparent(repo): |
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73 movemark = repo['.'].node() |
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74 return node, movemark, None |
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75 |
1911
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histedit: restrict default edited set to current topic when possible
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76 def desthistedit(orig, ui, repo): |
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77 if not (ui.config('histedit', 'defaultrev', None) is None |
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78 and repo.currenttopic): |
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79 return orig(ui, repo) |
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80 revs = repo.revs('::. and stack()') |
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81 if revs: |
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82 return revs.min() |
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83 return None |
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84 |
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85 def ngtip(repo, branch, all=False): |
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86 """tip new generation""" |
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87 ## search for untopiced heads of branch |
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88 # could be heads((::branch(x) - topic())) |
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89 # but that is expensive |
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90 # |
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91 # we should write plain code instead |
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92 |
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93 tmap = topicmap.gettopicrepo(repo).branchmap() |
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94 if branch not in tmap: |
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95 return [] |
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96 elif all: |
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97 return tmap.branchheads(branch) |
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2017
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98 else: |
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parents:
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99 return [tmap.branchtip(branch)] |
1938
7e31d3e79806
destination: make sure 'setupdest' is the latest function in the module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
1933
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100 |
1941
7eb737b7a902
destination: rename 'setupdest' to 'modsetup'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
1940
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101 def modsetup(ui): |
1940
6d53f81d3b64
destination: document 'setupdest'
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parents:
1939
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102 """run a uisetup time to install all destinations wrapping""" |
1938
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destination: make sure 'setupdest' is the latest function in the module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
1933
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103 if util.safehasattr(destutil, '_destmergebranch'): |
7e31d3e79806
destination: make sure 'setupdest' is the latest function in the module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
1933
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104 extensions.wrapfunction(destutil, '_destmergebranch', _destmergebranch) |
1969
a604423c1500
compat: tolerate missing rebase extension
timeless@gmail.com
parents:
1967
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105 try: |
a604423c1500
compat: tolerate missing rebase extension
timeless@gmail.com
parents:
1967
diff
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106 rebase = extensions.find('rebase') |
a604423c1500
compat: tolerate missing rebase extension
timeless@gmail.com
parents:
1967
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107 except KeyError: |
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compat: tolerate missing rebase extension
timeless@gmail.com
parents:
1967
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108 rebase = None |
1938
7e31d3e79806
destination: make sure 'setupdest' is the latest function in the module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
1933
diff
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109 if (util.safehasattr(rebase, '_destrebase') |
7e31d3e79806
destination: make sure 'setupdest' is the latest function in the module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
1933
diff
changeset
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110 # logic not shared with merge yet < hg-3.8 |
7e31d3e79806
destination: make sure 'setupdest' is the latest function in the module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
1933
diff
changeset
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111 and not util.safehasattr(rebase, '_definesets')): |
7e31d3e79806
destination: make sure 'setupdest' is the latest function in the module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
1933
diff
changeset
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112 extensions.wrapfunction(rebase, '_destrebase', _destmergebranch) |
7e31d3e79806
destination: make sure 'setupdest' is the latest function in the module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
1933
diff
changeset
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113 if util.safehasattr(destutil, 'destupdatesteps'): |
7e31d3e79806
destination: make sure 'setupdest' is the latest function in the module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
1933
diff
changeset
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114 bridx = destutil.destupdatesteps.index('branch') |
7e31d3e79806
destination: make sure 'setupdest' is the latest function in the module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
1933
diff
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115 destutil.destupdatesteps.insert(bridx, 'topic') |
7e31d3e79806
destination: make sure 'setupdest' is the latest function in the module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
1933
diff
changeset
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116 destutil.destupdatestepmap['topic'] = _destupdatetopic |
7e31d3e79806
destination: make sure 'setupdest' is the latest function in the module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
1933
diff
changeset
|
117 if util.safehasattr(destutil, 'desthistedit'): |
7e31d3e79806
destination: make sure 'setupdest' is the latest function in the module
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
1933
diff
changeset
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118 extensions.wrapfunction(destutil, 'desthistedit', desthistedit) |