Mercurial > public > mercurial-scm > hg
diff mercurial/scmutil.py @ 37708:8e8541610d85
scmutil: make shortesthexnodeidprefix() use unfiltered repo
Both callers were doing this, and resolvehexnodeidprefix() was also
working on the unfiltered repo, so it makes more sense to have it all
in one place.
Differential Revision: https://phab.mercurial-scm.org/D3313
| author | Martin von Zweigbergk <martinvonz@google.com> |
|---|---|
| date | Fri, 13 Apr 2018 10:36:03 -0700 |
| parents | e743b8524d60 |
| children | 7b2955624777 |
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--- a/mercurial/scmutil.py Sun Apr 15 19:41:34 2018 +0800 +++ b/mercurial/scmutil.py Fri Apr 13 10:36:03 2018 -0700 @@ -436,7 +436,7 @@ def resolvehexnodeidprefix(repo, prefix): # Uses unfiltered repo because it's faster when prefix is ambiguous/ - # This matches the "shortest" template function. + # This matches the shortesthexnodeidprefix() function below. node = repo.unfiltered().changelog._partialmatch(prefix) if node is None: return @@ -445,7 +445,10 @@ def shortesthexnodeidprefix(repo, hexnode, minlength=1): """Find the shortest unambiguous prefix that matches hexnode.""" - return repo.changelog.shortest(hexnode, minlength) + # _partialmatch() of filtered changelog could take O(len(repo)) time, + # which would be unacceptably slow. so we look for hash collision in + # unfiltered space, which means some hashes may be slightly longer. + return repo.unfiltered().changelog.shortest(hexnode, minlength) def isrevsymbol(repo, symbol): """Checks if a symbol exists in the repo.