Don't write None to the conf file

If we don't have a value for the remote, just don't write it. Writing
None will either write the string "None" or crash StGIT, depending on
how exactly the call is done -- and neither is what we want!

Signed-off-by: Karl Hasselström <kha@treskal.com>

diff --git a/stgit/stack.py b/stgit/stack.py
index 030562d..0ce9992 100644 (file)
--- a/stgit/stack.py
+++ b/stgit/stack.py
@@ -546,7 +546,8 @@ class Series(PatchSet):
 
     def set_parent(self, remote, localbranch):
         if localbranch:
-            self.__set_parent_remote(remote)
+            if remote:
+                self.__set_parent_remote(remote)
             self.__set_parent_branch(localbranch)
         # We'll enforce this later
 #         else: