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# narrowtemplates.py - added template keywords for narrow clones
#
# Copyright 2017 Google, Inc.
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.
from mercurial import (
registrar,
revlog,
)
keywords = {}
templatekeyword = registrar.templatekeyword(keywords)
revsetpredicate = registrar.revsetpredicate()
def _isellipsis(repo, rev):
if repo.changelog.flags(rev) & revlog.REVIDX_ELLIPSIS:
return True
return False
@templatekeyword(b'ellipsis', requires={b'repo', b'ctx'})
def ellipsis(context, mapping):
"""String. 'ellipsis' if the change is an ellipsis node, else ''."""
repo = context.resource(mapping, b'repo')
ctx = context.resource(mapping, b'ctx')
if _isellipsis(repo, ctx.rev()):
return b'ellipsis'
return b''
@templatekeyword(b'outsidenarrow', requires={b'repo', b'ctx'})
def outsidenarrow(context, mapping):
"""String. 'outsidenarrow' if the change affects no tracked files,
else ''."""
repo = context.resource(mapping, b'repo')
ctx = context.resource(mapping, b'ctx')
m = repo.narrowmatch()
if ctx.files() and not m.always():
if not any(m(f) for f in ctx.files()):
return b'outsidenarrow'
return b''
@revsetpredicate(b'ellipsis()')
def ellipsisrevset(repo, subset, x):
"""Changesets that are ellipsis nodes."""
return subset.filter(lambda r: _isellipsis(repo, r))
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