updating cwfs and moving installer in /rc/bin

1 files changed, 63 insertions, 0 deletions

diff --git a/rc/bin/inst/prepdisk b/rc/bin/inst/prepdisk
new file mode 100755
index 000000000..6ef4a92f8
--- /dev/null
+++ b/rc/bin/inst/prepdisk
@@ -0,0 +1,63 @@
+#!/bin/rc
+
+# desc: subdivide plan 9 disk partition
+# prereq: partdisk
+
+fn autotype {
+	if(~ $fstype fossil)
+		echo -a 9fat -a nvram -a fossil -a swap
+	if(~ $fstype fossil+venti)
+		echo -a 9fat -a nvram -a arenas -a isect -a fossil -a swap # -a other
+}
+
+switch($1) {
+case checkready
+	if(! test -f /dev/sd*/plan9*){
+		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
+
+	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
+	if(! test -f /dev/sd*/9fat)
+		prepdisk=ready
+
+	if(! ~ $prepdisk ready){
+		prepdisk=done
+		switch($fstype){
+		case fossil
+			if(! test -f /dev/sd*/fossil* && ! test -f /dev/fs/fossil*)
+				prepdisk=ready
+		case fossil+venti
+			if(! test -f /dev/sd*/fossil* && ! test -f /dev/fs/fossil*)
+				prepdisk=ready
+			if(! test -f /dev/sd*/arenas && ! test -f /dev/fs/arenas*)
+				prepdisk=ready
+			if(! test -f /dev/sd*/isect && ! test -f /dev/fs/isect*)
+				prepdisk=ready
+		}
+	}
+	export prepdisk
+}