diff -r aedce5bcc9eb -r 3485b0ef99c4 hgkw/keyword.py
--- a/hgkw/keyword.py	Wed Feb 14 02:44:25 2007 +0100
+++ b/hgkw/keyword.py	Wed Feb 14 02:50:06 2007 +0100
@@ -207,8 +207,16 @@
             if not candidates:
                 return node
 
-            kwt = kwtemplater(self.ui, self)
-            kwt.overwrite(candidates, node)
+            wrelease = False
+            if not wlock:
+                wlock = self.wlock()
+                wrelease = True
+            try:
+                kwt = kwtemplater(self.ui, self)
+                kwt.overwrite(candidates, node)
+            finally:
+                if wrelease:
+                    wlock.release()
             return node
 
     class kwfilelog(filelog.filelog):