author | Martin von Zweigbergk <martinvonz@google.com> |
Thu, 02 Aug 2018 23:50:47 -0700 | |
changeset 38818 | e411774a2e0f |
parent 38128 | 1cba497491be |
child 38835 | a232e6744ba3 |
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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changegroup, |
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hg, |
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narrowspec, |
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) |
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from . import ( |
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narrowdirstate, |
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narrowrevlog, |
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) |
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def wrappostshare(orig, sourcerepo, destrepo, **kwargs): |
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orig(sourcerepo, destrepo, **kwargs) |
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if changegroup.NARROW_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 (changegroup.NARROW_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): |
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"""Enables narrow clone functionality on a single local repository.""" |
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class narrowrepository(repo.__class__): |
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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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def _makedirstate(self): |
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dirstate = super(narrowrepository, self)._makedirstate() |
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return narrowdirstate.wrapdirstate(self, dirstate) |
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repo.__class__ = narrowrepository |