Many Linux distributions are including python2.5 by default, as
it is the latest stable release of the language. Using python2.4
(and asking users to specifically install it) is just cruel and
unusual punishment.
Signed-off-by: Shawn O. Pearce <sop@google.com>
If the reflog for the upstream branch has only 1 entry in it, as
the branch has been updated only once, we can get back the 0{40}
object id from `git rev-parse upstream@{1}`, in which case we should
consider it to be the same as if upstream@{1} is not defined.
Signed-off-by: Shawn O. Pearce <sop@google.com>
