dirstate: cache util.normcase while constructing the foldmap
This is a small win on OS X. hg perfdirstatefoldmap:
before: wall 0.399708 comb 0.410000 user 0.390000 sys 0.020000 (best of 25)
after: wall 0.386331 comb 0.390000 user 0.370000 sys 0.020000 (best of 25)
--- a/mercurial/dirstate.py Fri Oct 03 18:47:28 2014 -0700
+++ b/mercurial/dirstate.py Fri Oct 03 18:48:09 2014 -0700
@@ -84,11 +84,12 @@
@propertycache
def _foldmap(self):
f = {}
+ normcase = util.normcase
for name, s in self._map.iteritems():
if s[0] != 'r':
- f[util.normcase(name)] = name
+ f[normcase(name)] = name
for name in self._dirs:
- f[util.normcase(name)] = name
+ f[normcase(name)] = name
f['.'] = '.' # prevents useless util.fspath() invocation
return f