We know the preference is never empty, so stop testing for this. But
don't maintain two different preferences with basically the same
content. Instead add the '/git' suffix where needed and keep this all in
one place.
Simplify the extraction of the branch name from the cloud URL.
Also a typo fix and a new comment.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
It's a mamber of the cloud storage authentication class, used to hold the
proposed new password until the backend has accepted it.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>