#!/bin/rc

# desc: create a boot floppy or configure hard disk to boot plan 9
# prereq: unpack

switch($1) {
case go
	echo
	echo 'Initializing Plan 9 FAT configuration partition (9fat)'
	echo
	
	if(! test -f /dev/$disk/9fat) {
		echo cannot happen: no 9fat
		exit
	}
	
	if(! test -f /tmp/plan9.ini) {
		{
			echo bootfile'='$disk!9fat!9pcdisk
			echo 'bootdisk=local!#S/'$disk/fs
			grep -v 'bootfile|bootdisk|bootargs' /tmp/plan9.orig
		} >/tmp/plan9.ini
	}
	if(! test -f /tmp/plan9ini.bak)
		cp /tmp/plan9.ini /tmp/plan9ini.bak

	if(! isfat /dev/$disk/9fat || ! ~ $did9fat done) {
		log Initializing Plan 9 FAT partition.
		disk/format -r 2 -d -b /386/pbs \
			/dev/$disk/9fat /386/9load
		mount -c /srv/dos /n/9fat /dev/$disk/9fat
	
		cp /n/kfs/386/9pcdisk /n/9fat
		cp /tmp/plan9.ini /n/9fat/plan9.ini

		did9fat=done
		export did9fat
	}
	
	echo
	echo 'There are myriad ways to boot a Plan 9 system.'
	echo 'You can use any of the following.'
	echo '(You can also repeat this task to use more than one).'
	echo
	echo '  floppy - create a boot floppy'
	echo '  plan9  - make the plan 9 disk partition the default for booting'
	echo '  win9x  - add a plan 9 option to windows 9x boot menu'
	echo '  winnt  - add a plan 9 option to windows nt boot manager'
	echo
	echo '(See the documentation for instructions on booting Plan 9 from LILO.)'
	echo
	
	prompt 'Enable boot method' floppy plan9 win9x winnt
	exec boot$rd
}