--- a/mercurial/cmdutil.py	Fri Jan 15 13:14:45 2016 -0800
+++ b/mercurial/cmdutil.py	Fri Jan 15 13:14:45 2016 -0800
@@ -230,11 +230,8 @@
                 pass
 
     def recordinwlock(ui, repo, message, match, opts):
-        wlock = repo.wlock()
-        try:
+        with repo.wlock():
             return recordfunc(ui, repo, message, match, opts)
-        finally:
-            wlock.release()
 
     return commit(ui, repo, recordinwlock, pats, opts)