ref: dfdaa7afe9b0bde9e38b3da22d774bb8ccd6677f
dir: /sys/lib/dist/pc/inst/mountfs/
#!/bin/rc
# desc: choose and mount file system partition
# prereq: configfs
switch($fstype){
case fossil fossil+venti
exec mountfossil $*
case *
mountfs=notdone
export mountfs
exit
}