annotate hgext/narrow/narrowtemplates.py @ 48875:6000f5b25c9b

py2: remove simple from __future__ statements These were needed for Python 2 support. Now that our linter no longer mandates these, we can start deleting them. Differential Revision: https://phab.mercurial-scm.org/D12254
author Gregory Szorc <gregory.szorc@gmail.com>
date Thu, 03 Mar 2022 17:34:00 +0100
parents 687b865b95ad
children f4733654f144
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1 # narrowtemplates.py - added template keywords for narrow clones
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2 #
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3 # Copyright 2017 Google, Inc.
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4 #
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5 # This software may be used and distributed according to the terms of the
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6 # GNU General Public License version 2 or any later version.
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7
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8
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9 from mercurial import (
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10 registrar,
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11 revlog,
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12 )
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13
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14 keywords = {}
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15 templatekeyword = registrar.templatekeyword(keywords)
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16 revsetpredicate = registrar.revsetpredicate()
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17
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18
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19 def _isellipsis(repo, rev):
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20 if repo.changelog.flags(rev) & revlog.REVIDX_ELLIPSIS:
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21 return True
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22 return False
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23
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24
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25 @templatekeyword(b'ellipsis', requires={b'repo', b'ctx'})
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26 def ellipsis(context, mapping):
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27 """String. 'ellipsis' if the change is an ellipsis node, else ''."""
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28 repo = context.resource(mapping, b'repo')
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29 ctx = context.resource(mapping, b'ctx')
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30 if _isellipsis(repo, ctx.rev()):
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31 return b'ellipsis'
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32 return b''
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34
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35 @templatekeyword(b'outsidenarrow', requires={b'repo', b'ctx'})
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36 def outsidenarrow(context, mapping):
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37 """String. 'outsidenarrow' if the change affects no tracked files,
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38 else ''."""
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39 repo = context.resource(mapping, b'repo')
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40 ctx = context.resource(mapping, b'ctx')
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41 m = repo.narrowmatch()
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42 if ctx.files() and not m.always():
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43 if not any(m(f) for f in ctx.files()):
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44 return b'outsidenarrow'
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45 return b''
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47
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48 @revsetpredicate(b'ellipsis()')
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49 def ellipsisrevset(repo, subset, x):
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50 """Changesets that are ellipsis nodes."""
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51 return subset.filter(lambda r: _isellipsis(repo, r))