[PATCH 3/3] Do not return 'origin' as parent remote when there is no such remote.

[Yann Dirson <ydirson@altern.org>]

Signed-off-by: Yann Dirson <ydirson@altern.org>
---

 stgit/stack.py |   12 +++++++++++-
 1 files changed, 11 insertions(+), 1 deletions(-)

diff --git a/stgit/stack.py b/stgit/stack.py
index dbdda01..729b77e 100644
--- a/stgit/stack.py
+++ b/stgit/stack.py
@@ -408,7 +408,15 @@ class Series(StgitObject):
         self._set_field('description', line)
 
     def get_parent_remote(self):
-        return config.get('branch.%s.remote' % self.__name) or 'origin'
+        value = config.get('branch.%s.remote' % self.__name)
+        if value:
+            return value
+        elif 'origin' in git.remotes_list():
+            # FIXME: this is for compatibility only.  Should be
+            # dropped when all relevant commands record this info.
+            return 'origin'
+        else:
+            raise StackException, 'Cannot find a parent remote for "%s"' % self.__name
 
     def __set_parent_remote(self, remote):
         value = config.set('branch.%s.remote' % self.__name, remote)
@@ -418,6 +426,8 @@ class Series(StgitObject):
         if value:
             return value
         elif git.rev_parse('heads/origin'):
+            # FIXME: this is for compatibility only.  Should be
+            # dropped when all relevant commands record this info.
             return 'heads/origin'
         else:
             raise StackException, 'Cannot find a parent branch for "%s"' % self.__name