livecd

1 files changed, 72 insertions, 0 deletions

diff --git a/sys/lib/dist.old/pc/inst/moveoldfs b/sys/lib/dist.old/pc/inst/moveoldfs
new file mode 100755
index 000000000..819beeb39
--- /dev/null
+++ b/sys/lib/dist.old/pc/inst/moveoldfs
@@ -0,0 +1,72 @@
+#!/bin/rc
+
+# desc: move an old third edition plan 9 file system out of the way
+# prereq: mountfs
+
+rootfiles=(\
+	386\
+	68000\
+	68020\
+	LICENSE\
+	NOTICE\
+	acme\
+	adm\
+	alpha\
+	arm\
+	cron\
+	dist\
+	fd\
+	lib\
+	lp\
+	mail\
+	mips\
+	mnt\
+	n\
+	power\
+	rc\
+	sparc\
+	sys\
+	tmp\
+	usr/glenda\
+	wrap\
+)
+
+switch($1){
+case checkready
+	if(! test -d /n/kfs/wrap){
+		moveoldfs=done
+		export moveoldfs
+	}
+
+case go
+	if(test -d /n/kfs/wrap){
+		echo 'You have a Third Edition Plan 9 installation on '^$fs^'.'
+		echo 'We need to move the old file system out of the way (into /3e)'
+		echo 'in order to continue.'
+		echo
+		prompt 'Move old file system' y n
+		switch($rd){
+		case y
+			kname=`{kfsname $fs}
+			log Moving old Plan 9 installation into /3e on kfs
+			logprog disk/kfscmd -n$kname 'create /3e sys sys 555 d' >>[2]/srv/log
+			logprog disk/kfscmd -n$kname 'create /3e/usr sys sys 555 d' >>[2]/srv/log
+			for(i in $rootfiles)
+				if(test -e /n/kfs/$i)
+					logprog disk/kfscmd -n$kname 'rename /'^$i^' /3e/'^$i
+			# copy extant /adm/users in case there have been modifications
+			logprog disk/kfscmd -n$kname 'create /adm adm adm 555 d' >>[2]/srv/log
+			logprog cp /n/kfs/3e/adm/users /n/kfs/adm/users >>[2]/srv/log
+
+		case n
+			echo 'Okay, but we can''t continue.'
+			echo
+		}
+	}
+
+case checkdone
+	if(test -d /n/kfs/wrap){
+		moveoldfs=notdone
+		export moveoldfs
+	}
+}