Mercurial > public > mercurial-scm > hg-stable

comparison mercurial/fileset.py @ 31202:951d95b13487

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fileset: add function to switch revision where fileset will be evaluated If the subset isn't filtered yet, i.e. if fullmatchctx, the new subset is recalculated from scratch. Otherwise, it is narrowed by the existing subset.
author Yuya Nishihara <yuya@tcha.org>
date Sat, 24 Jan 2015 19:41:56 +0900
parents 3c3ab84e6e78
children 4140d49d2efb
comparison
equal deleted inserted replaced
31201:3c3ab84e6e78 31202:951d95b13487
495 unknown = set() 495 unknown = set()
496 return (f for f in self.subset 496 return (f for f in self.subset
497 if (f in self.ctx and f not in removed) or f in unknown) 497 if (f in self.ctx and f not in removed) or f in unknown)
498 def narrow(self, files): 498 def narrow(self, files):
499 return matchctx(self.ctx, self.filter(files), self._status) 499 return matchctx(self.ctx, self.filter(files), self._status)
500 def switch(self, ctx, status=None):
501 subset = self.filter(_buildsubset(ctx, status))
502 return matchctx(ctx, subset, status)
500 503
501 class fullmatchctx(matchctx): 504 class fullmatchctx(matchctx):
502 """A match context where any files in any revisions should be valid""" 505 """A match context where any files in any revisions should be valid"""
503 506
504 def __init__(self, ctx, status=None): 507 def __init__(self, ctx, status=None):
505 subset = _buildsubset(ctx, status) 508 subset = _buildsubset(ctx, status)
506 super(fullmatchctx, self).__init__(ctx, subset, status) 509 super(fullmatchctx, self).__init__(ctx, subset, status)
510 def switch(self, ctx, status=None):
511 return fullmatchctx(ctx, status)
512
513 # filesets using matchctx.switch()
514 _switchcallers = [
515 ]
507 516
508 def _intree(funcs, tree): 517 def _intree(funcs, tree):
509 if isinstance(tree, tuple): 518 if isinstance(tree, tuple):
510 if tree[0] == 'func' and tree[1][0] == 'symbol': 519 if tree[0] == 'func' and tree[1][0] == 'symbol':
511 if tree[1][1] in funcs: 520 if tree[1][1] in funcs:
512 return True 521 return True
522 if tree[1][1] in _switchcallers:
523 # arguments won't be evaluated in the current context
524 return False
513 for s in tree[1:]: 525 for s in tree[1:]:
514 if _intree(funcs, s): 526 if _intree(funcs, s):
515 return True 527 return True
516 return False 528 return False
517 529