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comparison mercurial/revlog.py @ 2489:568e58eed096

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Add revlog.parentrevs function. This allows one to walk the revision graph using only revision numbers, which can be faster than using revision hashes, especially for RevlogNG, where the parents of a revision are stored as revision numbers.
author Alexis S. L. Carvalho <alexis@cecm.usp.br>
date Tue, 20 Jun 2006 14:57:30 -0300
parents 16276b1c0658
children 6ff82ec1f4b8
comparison
equal deleted inserted replaced
2488:2785aeb51be4 2489:568e58eed096
475 r = self.rev(node) 475 r = self.rev(node)
476 d = self.index[r][-3:-1] 476 d = self.index[r][-3:-1]
477 if self.version == REVLOGV0: 477 if self.version == REVLOGV0:
478 return d 478 return d
479 return [ self.node(x) for x in d ] 479 return [ self.node(x) for x in d ]
480 def parentrevs(self, rev):
481 if rev == -1:
482 return (-1, -1)
483 d = self.index[rev][-3:-1]
484 if self.version == REVLOGV0:
485 return [ self.rev(x) for x in d ]
486 return d
480 def start(self, rev): 487 def start(self, rev):
481 if rev < 0: 488 if rev < 0:
482 return -1 489 return -1
483 if self.version != REVLOGV0: 490 if self.version != REVLOGV0:
484 return self.ngoffset(self.index[rev][0]) 491 return self.ngoffset(self.index[rev][0])