#!/bin/rc

rfork en


if (test -e /srv/fossil -o -e /srv/fossil.open) {
	echo $0: /srv/fossil* exists, not safe to start a new one >[1=2]
	exit fossil-already-running
}

SDBLOCKS=7743330   # for a 4GB device
SDCYLS=`{hoc -e $SDBLOCKS/255/63}
dospart=dos		# dos (separate partition) or 9fat (within plan9 partition)
sd=sdXX
dev=/dev/$sd
target=plan9-usb
disk=/tmp/$target.img
iso=/tmp/9legacy.iso
src9=/
nboot=$src9/sys/src/nboot/pc
pcinst=$src9/sys/src/9/pc/9pcinst

if (! test -r $nboot/9bootfat) {
	echo $0: please run mk in $nboot first >[1=2]
	exit 9bootfat-missing
}
if (! test -r $pcinst) {
	echo $0: please mk CONF'='pcinst in kernel source first >[1=2]
	exit 9pcinst-missing
}
data=$dev/data
plan9=$dev/plan9
9fat=$dev/$dospart
fossil=$dev/fossil

{
	echo '[menu]'
	echo menuitem'='cpu, Plan 9 CPU Kernel
	echo menuitem'='terminal, Plan 9 Terminal Kernel
	echo menuitem'='install, Plan 9 Installer
	echo menuitem'='manual, Manual
	echo menudefault'='terminal, 10
	echo
	echo '[cpu]'
	echo bootfile'='sdB0!9fat!9pccpuf
	echo nobootprompt'='local!$dev/fossil
	echo
	echo '[terminal]'
	echo bootfile'='sdB0!9fat!9pcf
	echo nobootprompt'='local!$dev/fossil
	echo user'='glenda
	echo
	echo '[install]'
	echo bootfile'='sdB0!9fat!9pcinst
	echo nobootprompt'='local!/boot/bzroot
	echo user'='glenda
	echo
	echo '[manual]'
	echo bootfile'='sdE0!9fat!9pcf
	echo bootargs'='local!/dev/sdE0/fossil
	echo venti'='/dev/sdE0/arenas
	echo show
	echo wait
	echo
	echo '[common]'
	echo
	echo readparts'='1
	echo nvram'='$dev/nvram
	echo *nodumpstack'='1
	echo *noe820print'='1
	echo
	echo mouseport'='ask
	echo monitor'='ask
	echo vgasize'='ask
} > /tmp/plan9.ini

dd -if /dev/zero -of $disk -bs 512 -count 1
chmod +t $disk
aux/disksim -f $disk
echo geometry $SDBLOCKS 512 $SDCYLS 255 63 >$dev/ctl

disk/mbr -m $nboot/mbr $data
switch($dospart){
case 9fat
	disk/fdisk -baw $data
	disk/prep -bw -a^(9fat nvram fscfg fossil) $plan9
case dos
	{echo a p1 0 8; echo t p1 FAT32; echo A p1; echo a p2 8 '$'; echo w} | disk/fdisk -b $data
	disk/prep -bw -a^(nvram fscfg fossil) $plan9
case *
	echo $0: '$dospart' must be 9fat or dos
	exit bad-dospart
}

rm -f /srv/9660
kill 966srv|rc
9660srv -f $iso
mount /srv/9660 /n/dist

disk/format -b $nboot/pbs -d -r 2 $9fat $nboot/9bootfat $src9/386/9pcf $src9/386/9pccpuf $pcinst /tmp/plan9.ini

rm /tmp/plan9.ini

fossil/flfmt -y $fossil

{
	echo fsys main config
	echo fsys main open -Va -c 32768
	echo srv fossil
	echo srv -APW fossil.open
	echo srv -Ap fscons.open
	echo fsys main
} | fossil/conf -w $fossil

fossil/fossil -f $fossil

mount -c /srv/fossil.open /n/newfs

echo fsys main create /active/adm adm sys d775 >>/srv/fscons.open
echo fsys main create /active/adm/users adm sys 664 >>/srv/fscons.open
echo uname upas :upas >>/srv/fscons.open
echo users -w >>/srv/fscons.open
for(i in dist dist/replica dist/replica/client)
	echo fsys main create /active/$i sys sys d775 >>/srv/fscons.open
echo fsys main create /active/dist/replica/client/plan9.db sys sys 664 >>/srv/fscons.open
echo fsys main create /active/dist/replica/client/plan9.log sys sys a664 >>/srv/fscons.open
# uncomment 3 lines below for a 386-only version
#p9log=/n/dist/dist/replica/plan9.log
#awk '!($4 ~ /^(arm|arm64|amd64)\// && $6 !~ /^2/)' $p9log >/tmp/p9log
#bind /tmp/p9log $p9log
replica/pull /sys/lib/dist/pc/inst/replcfg
cp -x /n/dist/dist/replica/^(plan9.db plan9.log) /n/newfs/dist/replica

unmount /n/newfs
sleep 8
echo fsys all sync >>/srv/fscons.open
sleep 8
echo fsys all halt >>/srv/fscons.open
sleep 8
rm -f /srv/^(fossil fossil.open fscons fscons.open)
sleep 8
for(p in `{ps | awk '$NF == "fossil" {print $2}'})
	if(grep -s $fossil /proc/$p/fd)
		echo kill >/proc/$p/note
kill disksim | rc

#bzip2 -c9 $disk > $disk.bz2 && rm $disk