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# narrowpatch.py - extensions to mercurial patch module to support narrow clones
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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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extensions,
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patch,
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util,
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)
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def setup(repo):
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def _filepairs(orig, *args):
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"""Only includes files within the narrow spec in the diff."""
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if util.safehasattr(repo, 'narrowmatch'):
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narrowmatch = repo.narrowmatch()
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for x in orig(*args):
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f1, f2, copyop = x
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if ((not f1 or narrowmatch(f1)) and
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(not f2 or narrowmatch(f2))):
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yield x
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else:
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for x in orig(*args):
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yield x
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def trydiff(orig, repo, revs, ctx1, ctx2, modified, added, removed,
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copy, getfilectx, *args, **kwargs):
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if util.safehasattr(repo, 'narrowmatch'):
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narrowmatch = repo.narrowmatch()
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modified = [f for f in modified if narrowmatch(f)]
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added = [f for f in added if narrowmatch(f)]
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removed = [f for f in removed if narrowmatch(f)]
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copy = {k: v for k, v in copy.iteritems() if narrowmatch(k)}
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return orig(repo, revs, ctx1, ctx2, modified, added, removed, copy,
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getfilectx, *args, **kwargs)
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extensions.wrapfunction(patch, '_filepairs', _filepairs)
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extensions.wrapfunction(patch, 'trydiff', trydiff)
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