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# narrowtemplates.py - added template keywords for 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 annotations
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from mercurial import (
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registrar,
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revlog,
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)
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keywords = {}
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templatekeyword = registrar.templatekeyword(keywords)
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revsetpredicate = registrar.revsetpredicate()
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def _isellipsis(repo, rev):
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if repo.changelog.flags(rev) & revlog.REVIDX_ELLIPSIS:
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return True
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return False
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@templatekeyword(b'ellipsis', requires={b'repo', b'ctx'})
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def ellipsis(context, mapping):
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"""String. 'ellipsis' if the change is an ellipsis node, else ''."""
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repo = context.resource(mapping, b'repo')
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ctx = context.resource(mapping, b'ctx')
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if _isellipsis(repo, ctx.rev()):
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return b'ellipsis'
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return b''
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@templatekeyword(b'outsidenarrow', requires={b'repo', b'ctx'})
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def outsidenarrow(context, mapping):
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"""String. 'outsidenarrow' if the change affects no tracked files,
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else ''."""
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repo = context.resource(mapping, b'repo')
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ctx = context.resource(mapping, b'ctx')
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m = repo.narrowmatch()
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if ctx.files() and not m.always():
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if not any(m(f) for f in ctx.files()):
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return b'outsidenarrow'
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return b''
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@revsetpredicate(b'ellipsis()')
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def ellipsisrevset(repo, subset, x):
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"""Changesets that are ellipsis nodes."""
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return subset.filter(lambda r: _isellipsis(repo, r))
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