Use tabs instead of spaces

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Reuse existing variable

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Refactored: Reuse existing code

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Fixed issue #2167: Support git push --force-with-lease option

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>
Signed-off-by: Sven Strickroth <email@cs-ware.de>