softstrip: fix a reference to an undefined variable
`backupfile` wasn't defined if no backup was requested. Let's set it
to `None` by default, which matches what regular `repair.strip()`
does.
Differential Revision: https://phab.mercurial-scm.org/D9985
--- a/mercurial/repair.py Wed Feb 10 09:45:48 2021 -0800
+++ b/mercurial/repair.py Wed Feb 10 09:49:50 2021 -0800
@@ -308,6 +308,7 @@
if not tostrip:
return None
+ backupfile = None
if backup:
node = tostrip[0]
backupfile = _createstripbackup(repo, tostrip, node, topic)