author | Pulkit Goyal <7895pulkit@gmail.com> |
Wed, 14 Feb 2018 17:06:20 +0530 | |
changeset 36224 | c1628a5eac87 |
parent 36198 | 9fd8c2a3db5a |
child 36494 | 3f0af89e008d |
permissions | -rw-r--r-- |
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# narrowrepo.py - repository which supports narrow revlogs, lazy loading |
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# |
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# Copyright 2017 Google, Inc. |
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# |
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# This software may be used and distributed according to the terms of the |
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# GNU General Public License version 2 or any later version. |
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from __future__ import absolute_import |
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from mercurial import ( |
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bundlerepo, |
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hg, |
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localrepo, |
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match as matchmod, |
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narrowspec, |
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scmutil, |
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) |
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from . import ( |
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narrowrevlog, |
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) |
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# When narrowing is finalized and no longer subject to format changes, |
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# we should move this to just "narrow" or similar. |
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REQUIREMENT = 'narrowhg-experimental' |
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def wrappostshare(orig, sourcerepo, destrepo, **kwargs): |
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orig(sourcerepo, destrepo, **kwargs) |
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if REQUIREMENT in sourcerepo.requirements: |
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with destrepo.wlock(): |
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with destrepo.vfs('shared', 'a') as fp: |
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fp.write(narrowspec.FILENAME + '\n') |
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def unsharenarrowspec(orig, ui, repo, repopath): |
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if (REQUIREMENT in repo.requirements |
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and repo.path == repopath and repo.shared()): |
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srcrepo = hg.sharedreposource(repo) |
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with srcrepo.vfs(narrowspec.FILENAME) as f: |
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spec = f.read() |
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with repo.vfs(narrowspec.FILENAME, 'w') as f: |
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f.write(spec) |
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return orig(ui, repo, repopath) |
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def wraprepo(repo, opts_narrow): |
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"""Enables narrow clone functionality on a single local repository.""" |
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cacheprop = localrepo.storecache |
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if isinstance(repo, bundlerepo.bundlerepository): |
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# We have to use a different caching property decorator for |
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# bundlerepo because storecache blows up in strange ways on a |
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# bundlerepo. Fortunately, there's no risk of data changing in |
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# a bundlerepo. |
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cacheprop = lambda name: localrepo.unfilteredpropertycache |
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class narrowrepository(repo.__class__): |
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def _constructmanifest(self): |
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manifest = super(narrowrepository, self)._constructmanifest() |
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narrowrevlog.makenarrowmanifestrevlog(manifest, repo) |
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return manifest |
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@cacheprop('00manifest.i') |
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def manifestlog(self): |
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mfl = super(narrowrepository, self).manifestlog |
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narrowrevlog.makenarrowmanifestlog(mfl, self) |
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return mfl |
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def file(self, f): |
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fl = super(narrowrepository, self).file(f) |
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narrowrevlog.makenarrowfilelog(fl, self.narrowmatch()) |
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return fl |
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@localrepo.repofilecache(narrowspec.FILENAME) |
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def narrowpats(self): |
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"""matcher patterns for this repository's narrowspec |
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A tuple of (includes, excludes). |
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""" |
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return narrowspec.load(self) |
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@localrepo.repofilecache(narrowspec.FILENAME) |
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def _narrowmatch(self): |
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include, exclude = self.narrowpats |
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if not opts_narrow and not include and not exclude: |
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return matchmod.always(self.root, '') |
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return narrowspec.match(self.root, include=include, exclude=exclude) |
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# TODO(martinvonz): make this property-like instead? |
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def narrowmatch(self): |
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return self._narrowmatch |
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def setnarrowpats(self, newincludes, newexcludes): |
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narrowspec.save(self, newincludes, newexcludes) |
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self.invalidate(clearfilecache=True) |
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# I'm not sure this is the right place to do this filter. |
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# context._manifestmatches() would probably be better, or perhaps |
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# move it to a later place, in case some of the callers do want to know |
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# which directories changed. This seems to work for now, though. |
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def status(self, *args, **kwargs): |
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s = super(narrowrepository, self).status(*args, **kwargs) |
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narrowmatch = self.narrowmatch() |
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modified = list(filter(narrowmatch, s.modified)) |
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added = list(filter(narrowmatch, s.added)) |
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removed = list(filter(narrowmatch, s.removed)) |
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deleted = list(filter(narrowmatch, s.deleted)) |
0c104ee51918
narrowrepo: filter() is a generator on py3, wrap in list()
Augie Fackler <augie@google.com>
parents:
36130
diff
changeset
|
107 |
unknown = list(filter(narrowmatch, s.unknown)) |
0c104ee51918
narrowrepo: filter() is a generator on py3, wrap in list()
Augie Fackler <augie@google.com>
parents:
36130
diff
changeset
|
108 |
ignored = list(filter(narrowmatch, s.ignored)) |
0c104ee51918
narrowrepo: filter() is a generator on py3, wrap in list()
Augie Fackler <augie@google.com>
parents:
36130
diff
changeset
|
109 |
clean = list(filter(narrowmatch, s.clean)) |
36117
a2a6e724d61a
narrow: import experimental extension from narrowhg revision cb51d673e9c5
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
110 |
return scmutil.status(modified, added, removed, deleted, unknown, |
a2a6e724d61a
narrow: import experimental extension from narrowhg revision cb51d673e9c5
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
111 |
ignored, clean) |
a2a6e724d61a
narrow: import experimental extension from narrowhg revision cb51d673e9c5
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
112 |
|
a2a6e724d61a
narrow: import experimental extension from narrowhg revision cb51d673e9c5
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
113 |
repo.__class__ = narrowrepository |