-d : Forcibly invalidate the privilege of mounting/unmounting file systems.
-e dir[,dir2[,...]] : Extra directories to mount for the chroot environment.
-f : Full course mode.
+ -g : Adjust all operations as post-processes after system upgrade.
-P : Import settings from pkgtools.conf(5) as the secondary if exists.
-p : Import settings from pkgtools.conf(5) as the primary if exists (default).
-Q : Ignore pkgtools.conf(5) even if it exists.