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match: add prefixdirmatcher to adapt subrepo matcher back...
Yuya Nishihara -
r38630:0ba4cf3f default
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@@ -684,6 +684,78 b' class subdirmatcher(basematcher):'
684 684 return ('<subdirmatcher path=%r, matcher=%r>' %
685 685 (self._path, self._matcher))
686 686
687 class prefixdirmatcher(basematcher):
688 """Adapt a matcher to work on a parent directory.
689
690 The matcher's non-matching-attributes (root, cwd, bad, explicitdir,
691 traversedir) are ignored.
692
693 The prefix path should usually be the relative path from the root of
694 this matcher to the root of the wrapped matcher.
695
696 >>> m1 = match(b'root/d/e', b'f', [b'../a.txt', b'b.txt'])
697 >>> m2 = prefixdirmatcher(b'root', b'd/e/f', b'd/e', m1)
698 >>> bool(m2(b'a.txt'),)
699 False
700 >>> bool(m2(b'd/e/a.txt'))
701 True
702 >>> bool(m2(b'd/e/b.txt'))
703 False
704 >>> m2.files()
705 ['d/e/a.txt', 'd/e/f/b.txt']
706 >>> m2.exact(b'd/e/a.txt')
707 True
708 >>> m2.visitdir(b'd')
709 True
710 >>> m2.visitdir(b'd/e')
711 True
712 >>> m2.visitdir(b'd/e/f')
713 True
714 >>> m2.visitdir(b'd/e/g')
715 False
716 >>> m2.visitdir(b'd/ef')
717 False
718 """
719
720 def __init__(self, root, cwd, path, matcher, badfn=None):
721 super(prefixdirmatcher, self).__init__(root, cwd, badfn)
722 if not path:
723 raise error.ProgrammingError('prefix path must not be empty')
724 self._path = path
725 self._pathprefix = path + '/'
726 self._matcher = matcher
727
728 @propertycache
729 def _files(self):
730 return [self._pathprefix + f for f in self._matcher._files]
731
732 def matchfn(self, f):
733 if not f.startswith(self._pathprefix):
734 return False
735 return self._matcher.matchfn(f[len(self._pathprefix):])
736
737 @propertycache
738 def _pathdirs(self):
739 return set(util.finddirs(self._path)) | {'.'}
740
741 def visitdir(self, dir):
742 if dir == self._path:
743 return self._matcher.visitdir('.')
744 if dir.startswith(self._pathprefix):
745 return self._matcher.visitdir(dir[len(self._pathprefix):])
746 return dir in self._pathdirs
747
748 def isexact(self):
749 return self._matcher.isexact()
750
751 def prefix(self):
752 return self._matcher.prefix()
753
754 @encoding.strmethod
755 def __repr__(self):
756 return ('<prefixdirmatcher path=%r, matcher=%r>'
757 % (pycompat.bytestr(self._path), self._matcher))
758
687 759 class unionmatcher(basematcher):
688 760 """A matcher that is the union of several matchers.
689 761
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