build.sh: pacman: never use -S without -yu syncing
build.sh: pacman: never use -S without -yu syncing

https://wiki.archlinux.org/index.php/Pacman#Usage

AlexIljin/factor,factor/factor,AlexIljin/factor,AlexIljin/factor,AlexIljin/factor,mrjbq7/factor,bpollack/factor,bpollack/factor,tgunr/factor,factor/factor,AlexIljin/factor,bpollack/factor,AlexIljin/factor,factor/factor,bpollack/factor,factor/factor,tgunr/factor,bpollack/factor,factor/factor,mrjbq7/factor,bpollack/factor,tgunr/factor,tgunr/factor,mrjbq7/factor,factor/factor,tgunr/factor,bpollack/factor,tgunr/factor,mrjbq7/factor,mrjbq7/factor,AlexIljin/factor,mrjbq7/factor