xref: /plan9/sys/lib/dist/pc/inst/prepdisk (revision f92474249c02424d024ec937bd46aca5427c5a86)
1#!/bin/rc
2
3# desc: subdivide plan 9 disk partition
4# prereq: partdisk
5
6fn autotype {
7	if(~ $fstype fossil)
8		echo -a 9fat -a nvram -a fossil -a swap
9	if(~ $fstype fossil+venti)
10		echo -a 9fat -a nvram -a arenas -a isect -a fossil -a swap # -a other
11}
12
13switch($1) {
14case checkready
15	if(! test -f /dev/sd*/plan9*){
16		prepdisk=notdone
17		export prepdisk
18	}
19
20case go
21	echo 'The following Plan 9 disk partitions were found.'
22	echo
23	disks=(/dev/sd*/plan9*)
24	for (i in $disks){
25		echo $i
26		echo q | disk/prep -r $i >[2]/dev/null
27		echo
28	}
29	if(~ $#disks 1)
30		default=(-d $disks)
31	if not
32		default=()
33	prompt $default 'Plan 9 partition to subdivide' $disks
34	disk=$rd
35
36	echo 'This is disk/prep; use it to subdivide the Plan 9 partition.'
37	echo 'If it is not yet subdivided, a sensible layout will be suggested;'
38	echo 'you can probably just type ''w'' and then ''q''.'
39	echo
40	disk/prep `{autotype} $disk
41	disk/prep -p $disk >`{basename -d $disk}^/ctl >[2]/dev/null
42
43case checkdone
44	if(! test -f /dev/sd*/9fat)
45		prepdisk=ready
46
47	if(! ~ $prepdisk ready){
48		prepdisk=done
49		switch($fstype){
50		case fossil
51			if(! test -f /dev/sd*/fossil* && ! test -f /dev/fs/fossil*)
52				prepdisk=ready
53		case fossil+venti
54			if(! test -f /dev/sd*/fossil* && ! test -f /dev/fs/fossil*)
55				prepdisk=ready
56			if(! test -f /dev/sd*/arenas && ! test -f /dev/fs/arenas*)
57				prepdisk=ready
58			if(! test -f /dev/sd*/isect && ! test -f /dev/fs/isect*)
59				prepdisk=ready
60		}
61	}
62	export prepdisk
63}
64