--- a/mercurial/localrepo.py
+++ b/mercurial/localrepo.py
@@ -581,12 +581,13 @@ class localrepository(repo.repository):
def commit(self, files=None, text="", user=None, date=None,
match=util.always, force=False, lock=None, wlock=None,
- force_editor=False, p1=None, p2=None):
+ force_editor=False, p1=None, p2=None, extra={}):
commit = []
remove = []
changed = []
use_dirstate = (p1 is None) # not rawcommit
+ extra = extra.copy()
if use_dirstate:
if files:
@@ -693,7 +694,6 @@ class localrepository(repo.repository):
if not lines:
return None
text = '\n'.join(lines)
- extra = {}
if branchname:
extra["branch"] = branchname
n = self.changelog.add(mn, changed + remove, text, tr, p1, p2,