ref: 2f4e6dd1a8b367044948f75f62b51aae2a944dd2
dir: /sys/lib/dist.old/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
}