# HG changeset patch
# User Stanislau Hlebik <st...@fb.com>
# Date 1486981578 28800
# Mon Feb 13 02:26:18 2017 -0800
# Node ID 8bc5ae6cf51408dbd1b789555196f031bfef19d4
# Parent a0e3d808690d57d1c9dff840e0b8ee099526397b
localrepo: cache self.changelog in local variable
Repeated self.changelog lookups can incur overhead. Let's cache it in the
separate variable.
diff --git a/mercurial/localrepo.py b/mercurial/localrepo.py
--- a/mercurial/localrepo.py
+++ b/mercurial/localrepo.py
@@ -1853,8 +1853,9 @@
def heads(self, start=None):
if start is None:
- headrevs = sorted(self.changelog.headrevs(), reverse=True)
- return [self.changelog.node(rev) for rev in headrevs]
+ cl = self.changelog
+ headrevs = sorted(cl.headrevs(), reverse=True)
+ return [cl.node(rev) for rev in headrevs]
heads = self.changelog.heads(start)
# sort the output in rev descending order
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