Initialize member variables

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>
Dropped unused includes

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Dropped unused variables

Signed-off-by: Sven Strickroth <email@cs-ware.de>
tgitcache-rewrite

Signed-off-by: Sven Strickroth <email@cs-ware.de>
rrr

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