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446 def shortesthexnodeidprefix(repo, node, minlength=1): |
446 def shortesthexnodeidprefix(repo, node, minlength=1): |
447 """Find the shortest unambiguous prefix that matches hexnode.""" |
447 """Find the shortest unambiguous prefix that matches hexnode.""" |
448 # _partialmatch() of filtered changelog could take O(len(repo)) time, |
448 # _partialmatch() of filtered changelog could take O(len(repo)) time, |
449 # which would be unacceptably slow. so we look for hash collision in |
449 # which would be unacceptably slow. so we look for hash collision in |
450 # unfiltered space, which means some hashes may be slightly longer. |
450 # unfiltered space, which means some hashes may be slightly longer. |
451 return repo.unfiltered().changelog.shortest(hex(node), minlength) |
451 return repo.unfiltered().changelog.shortest(node, minlength) |
452 |
452 |
453 def isrevsymbol(repo, symbol): |
453 def isrevsymbol(repo, symbol): |
454 """Checks if a symbol exists in the repo. |
454 """Checks if a symbol exists in the repo. |
455 |
455 |
456 See revsymbol() for details. Raises error.LookupError if the symbol is an |
456 See revsymbol() for details. Raises error.LookupError if the symbol is an |