ref: d9af840ca248f27e6b9d2a135e537c41b3578d52
dir: /rc/bin/inst/partdisk/
#!/bin/rc
# desc: edit partition tables (e.g., to create a plan 9 partition)
# prereq: configfs
switch($1){
case go
disks=`{ls /dev/sd*/data >[2]/dev/null | sed 's!/dev/(sd.*)/data!\1!'}
if(~ $#disks 0) {
echo 'No disk devices were found on your system.'
echo 'The installation process cannot continue.'
exit giveup
}
echo 'The following disk devices were found.'
echo
for(i in $disks) {
desc=`{cat /dev/$i/ctl | sed 1q | sed 's/inquiry //'}
echo $i '-' $desc
echo e | disk/fdisk -r /dev/$i/data >[2]/dev/null | grep -v '^ mbr'
echo
}
okay=no
defdisk=$disks(1)
if(~ $#disks 1)
default=(-d $disks)
if not
default=()
prompt $default 'Disk to partition' $disks
disk=$rd
if(! ./hasmbr /dev/$disk/data) {
echo 'The disk you selected HAS NO master boot record on its first sector.'
echo '(Perhaps it is a completely blank disk.)'
echo 'You need a master boot record to use the disk.'
echo 'Should we install a default master boot record?'
echo
prompt 'Install mbr' y n
switch($rd) {
case y
disk/mbr -m /386/mbr /dev/$disk/data
pickdisk=done
}
}
echo
echo 'This is disk/fdisk; use it to create a Plan 9 partition.'
echo 'If there is enough room, a Plan 9 partition will be'
echo 'suggested; you can probably just type ''w'' and then ''q''.'
echo
disk/fdisk -a /dev/$disk/data
disk/fdisk -p /dev/$disk/data >/dev/$disk/ctl >[2]/dev/null
for(i in /dev/sd*/plan9*){
if(test -f $i){
d=`{basename -d $i}
disk/prep -p $i >$d/ctl >[2]/dev/null
}
}
case checkdone
# we want at least one disk with both an mbr and a plan9 partition
mbrandplan9=0
disks=`{ls /dev/sd*/plan9 >[2]/dev/null | sed 's!/dev/(sd.*)/plan9!\1!'}
for(disk in $disks) {
if(./hasmbr /dev/$disk/data)
mbrandplan9=1
}
if(~ $mbrandplan9 0){
partdisk=notdone
export partdisk
}
}