ref: 7c12645aba1958a4ece7799c262a835a7fc3e3bb
dir: /rc/bin/inst/prepdisk/
#!/bin/rc
# desc: subdivide plan 9 disk partition
# prereq: partdisk
useesp=no
fn autotype {
if(~ $useesp no)
parts=(9fat)
if not
parts=()
switch($fstype){
case cwfs cwfs64 cwfs64x
parts=($parts nvram fscache fsworm other)
case hjfs gefs
parts=($parts nvram fs)
}
echo '-a '^$parts
}
switch($1) {
case checkready
disks=(/dev/sd*/plan9*)
if(! test -f $disks(1)){
prepdisk=notdone
export prepdisk
}
case go
echo 'The following Plan 9 disk partitions were found.'
echo
disks=(/dev/sd*/plan9*)
for (i in $disks){
echo $i
echo q | disk/prep -r $i >[2]/dev/null
echo
}
if(~ $#disks 1)
default=(-d $disks)
if not
default=()
prompt $default 'Plan 9 partition to subdivide' $disks
disk=$rd
if(ls `{basename -d $disk}^/esp >[2]/dev/null){
echo
echo 'By default 9front places its boot materials on its own 9fat partition.'
echo 'This requires the firmware be capable of booting from fat partitions other than the esp.'
echo 'You can also place all boot materials directly on the esp instead.'
echo 'This option works with a larger set of machines, but may disrupt existing configurations.'
echo
prompt -d no 'Use esp as 9fat?' no yes
useesp=$rd
}
echo 'This is disk/prep; use it to subdivide the Plan 9 partition.'
echo 'If it is not yet subdivided, a sensible layout will be suggested;'
echo 'you can probably just type ''w'' and then ''q''.'
echo
disk/prep `{autotype} $disk
disk/prep -p $disk >`{basename -d $disk}^/ctl >[2]/dev/null
case checkdone
disks=(/dev/sd*/nvram)
if(! test -f $disks(1))
prepdisk=ready
if(! ~ $prepdisk ready)
prepdisk=done
export prepdisk
}