updating cwfs and moving installer in /rc/bin

1 files changed, 222 insertions, 0 deletions

diff --git a/rc/bin/inst/mountdist b/rc/bin/inst/mountdist
new file mode 100755
index 000000000..8d171a1cc
--- /dev/null
+++ b/rc/bin/inst/mountdist
@@ -0,0 +1,222 @@
+#!/bin/rc
+
+# prereq: mountfs configdist
+# desc: locate and mount the distribution
+
+fn domount{
+	if(! test -e $mountmedia(2))
+		logprog $srvmedia
+	unmount /n/distmedia >[2]/dev/null
+	logprog $mountmedia
+}
+
+fn exitifdone{
+	if(test -f /n/dist/dist/replica/plan9.db)
+		exit
+}
+
+fn trycdimage{
+	if(test -f $1){
+		rm -f /srv/9660.dist
+		unmount /n/dist
+		9660srv 9660.dist >[2]/dev/null
+		logprog mount /srv/9660.dist /n/dist $1
+		exitifdone
+		mountdist=notdone
+		export mountdist
+		exit notdone
+	}
+}
+
+fn trycdimagebz2 {
+	if(test -f $1){
+		echo -n 'bunzip2 < '^$1^' >/n/newfs/dist/plan9.iso'
+		bunzip2 < $1 >/n/newfs/dist/_plan9.iso &&
+		mv /n/newfs/dist/_plan9.iso /n/newfs/dist/plan9.iso
+		echo
+		trycdimage /n/newfs/dist/plan9.iso
+		mountdist=notdone
+		export mountdist
+		exit notdone
+	}
+}
+
+fn havedist {
+	test -f $1/dist/replica/plan9.db ||
+	test -f $1/plan9.iso ||
+	test -f $1/plan9.iso.bz2
+}
+
+switch($1){
+case checkready
+	if(! ~ $distisfrom local && ! ~ $download done){
+		mountdist=notdone
+		export mountdist
+	}
+	if(! ~ $#mountmedia 0 1){
+		if(domount){
+			mountdist=done
+			export mountdist
+			if(mountdist checkdone)
+				exit
+		}
+		srvmedia=()
+		mountmedia=()
+		mountdist=ready
+		export srvmedia mountmedia mountdist
+	}
+		
+case go
+	fat=()
+	ext2=()
+	x9660=()
+	fossil=()
+
+	echo Please wait... Scanning storage devices...
+
+	parts=`{ls /dev/sd??/* >[2]/dev/null | grep -v '/(plan9.*|ctl|log|raw)$'}
+	for (i in $parts) {
+		echo -n '	'^$i
+		n=`{echo $i | sed 's;/;_;g'}
+		if(! test -f /tmp/localpart.$n)
+			dd -if $i -bs 2048 -count 32 -of /tmp/localpart.$n >[2]/dev/null
+		if(isfat /tmp/localpart.$n)
+			fat=($fat $i)
+		if(isext2 /tmp/localpart.$n)
+			ext2=($ext2 $i)
+		if(is9660 /tmp/localpart.$n)
+			x9660=($x9660 $i)
+		if(isfossil $i)
+			fossil=($fossil $i)
+		echo
+	}
+	echo
+	echo The following storage media were detected.
+	echo Choose the one containing the distribution.
+	echo
+	for(i in $parts){
+		switch($i){
+		case $fat
+			echo 	'	'^$i^' (microsoft fat)'
+		case $ext2
+			echo 	'	'^$i^' (linux ext2)'
+		case $x9660
+			echo 	'	'^$i^' (iso9660 cdrom)'
+		case $fossil
+			echo 	'	'^$i^' (plan9 fossil)'
+		}
+	}
+	echo
+
+	mountstatus=x
+	while(! ~ $mountstatus ''){
+		prompt -w '' 'Distribution disk' $fat $x9660 $fossil
+		disk=$rd
+
+		srvmedia=()
+		mountmedia=()
+		switch($disk){
+		case $fs
+			mountmedia=(bind /n/newfs /n/distmedia)
+		case $fat
+			srvmedia=(dossrv)
+			mountmedia=(mount /srv/dos /n/distmedia $disk)
+		case $ext2
+			srvmedia=(ext2srv -r)
+			mountmedia=(mount /srv/ext2 /n/distmedia $disk)
+		case $x9660
+			srvmedia=(9660srv)
+			mountmedia=(mount /srv/9660 /n/distmedia $disk)
+		case $fossil
+			echo 'srv fossil.mountdist' > /tmp/fossi.conf
+			echo 'fsys main config '^$disk >> /tmp/fossil.conf
+			echo 'fsys main open -AWVP' >> /tmp/fossil.conf
+			echo 'fsys main' >> /tmp/fossil.conf
+			srvmedia=(fossil/fossil -c '. /tmp/fossil.conf')
+			mountmedia=(mount /srv/fossil.mountdist /n/distmedia)
+		case *
+			echo Unknown disk type '(cannot happen)'
+			exit oops
+		}
+		export srvmedia mountmedia
+		domount
+		mountstatus=$status
+	}
+
+	first=yes
+	dir=/
+	while(~ $first yes || ! havedist /n/distmedia/$dir){
+		if(~ $first yes){
+			echo
+			echo Which directory contains the distribution?
+			echo 'Any of the following will suffice (in order of preference):'
+			echo '	- the root directory of the cd image'
+			echo '	- the directory containing plan9.iso'
+			echo '	- the directory containing plan9.iso.bz2'
+			echo 'Typing `browse'' will put you in a shell that you can use to'
+			echo 'look for the directory.'
+			echo
+			first=no
+		}
+
+		prompt -d browse 'Location of archives'
+		dir=$rd
+		if(~ $dir browse){
+			echo This is a simple shell.  Commands are:
+			echo '	cd directory	- change to directory'
+			echo '	lc				- list contents of current directory'
+			echo '	exit			- exit shell'
+			echo 
+			echo 'Move to the directory containing the distribution'
+			echo 'and then exit.'
+			echo
+			oifs=$ifs
+			ifs=$nl
+			dir=`{cdsh -r /n/distmedia}
+			ifs=$oifs
+		}
+		if(~ $#dir 0)
+			dir=safdsfdsfdsf
+		if(! ~ $#dir 1)
+			dir=$"dir
+		if(! havedist /n/distmedia/$dir)
+			echo 'No distribution found in '^`{cleanname /$dir}
+	}
+
+	distmediadir=$dir
+	export distmediadir
+
+case checkdone
+	if(! ~ $#distmediadir 1){
+		mountdist=notdone
+		export mountdist
+		exit notdone
+	}
+	if(! havedist /n/distmedia/$distmediadir && ! havedist /n/newfs/dist){
+		mountdist=notdone
+		export mountdist
+		exit notdone
+	}
+
+	exitifdone
+
+	if(test -f /n/distmedia/$distmediadir/dist/replica/plan9.db){
+		bind /n/distmedia/$distmediadir /n/dist
+		bind -a /n/dist/386/bin /bin
+		bind -a /n/dist/rc/bin /bin
+		exitifdone
+		mountdist=notdone
+		export mountdist
+		exit notdone
+	}
+
+	trycdimage /n/distmedia/$distmediadir/plan9.iso
+	trycdimage /n/newfs/dist/plan9.iso
+
+	trycdimagebz2 /n/distmedia/$distmediadir/plan9.iso.bz2
+	trycdimagebz2 /n/newfs/dist/plan9.iso.bz2
+
+	mountdist=notdone
+	export mountdist
+	exit notdone
+}