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obsolete: stop doing membership test on list

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According to the Surgeon General, computer should not use list for membership
testing because of the risk of being slow.
This commit is contained in:
Pierre-Yves David 2013-11-16 20:34:58 -05:00
parent d5a4643492
commit f1f6dad830
1 changed files with 2 additions and 1 deletions
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3
mercurial/obsolete.py
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@ -267,7 +267,8 @@ class obsstore(object):
Return the number of new marker."""
if not _enabled:
raise util.Abort('obsolete feature is not enabled on this repo')
new = [m for m in markers if m not in self._all]
known = set(self._all)
new = [m for m in markers if m not in known]
if new:
f = self.sopener('obsstore', 'ab')
try: