157 lines
2.9 KiB
Bash
Executable file
157 lines
2.9 KiB
Bash
Executable file
#!/bin/rc
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# prereq: mountfs configdist
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# desc: locate and mount the distribution
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fn domount{
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if(! test -e $mountmedia(2))
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logprog $srvmedia
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unmount /n/distmedia >[2]/dev/null
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logprog $mountmedia
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}
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fn exitifdone{
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if(test -f /n/dist/LICENSE)
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exit
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}
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fn havedist {
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test -f $1/LICENSE
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}
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switch($1){
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case checkready
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if(! ~ $distisfrom local && ! ~ $download done){
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mountdist=notdone
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export mountdist
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}
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if(! ~ $#mountmedia 0 1){
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if(domount){
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mountdist=done
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export mountdist
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if(mountdist checkdone)
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exit
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}
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srvmedia=()
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mountmedia=()
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mountdist=ready
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export srvmedia mountmedia mountdist
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}
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case go
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fat=()
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ext2=()
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x9660=()
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echo Please wait... Scanning storage devices...
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parts=`{ls /dev/sd[A-Z][0-9]*/* >[2]/dev/null | grep -v '/(plan9.*|ctl|log|raw)$'}
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for (i in $parts) {
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echo -n ' '^$i
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n=`{echo $i | sed 's;/;_;g'}
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if(! test -f /tmp/localpart.$n)
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dd -if $i -bs 2048 -count 32 -of /tmp/localpart.$n >[2]/dev/null
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if(isfat /tmp/localpart.$n)
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fat=($fat $i)
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if(isext2 /tmp/localpart.$n)
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ext2=($ext2 $i)
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if(is9660 /tmp/localpart.$n)
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x9660=($x9660 $i)
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echo
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}
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echo
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echo The following storage media were detected.
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echo Choose the one containing the distribution.
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echo
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for(i in $parts){
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switch($i){
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case $fat
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echo ' '^$i^' (microsoft fat)'
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case $ext2
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echo ' '^$i^' (linux ext2)'
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case $x9660
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echo ' '^$i^' (iso9660 cdrom)'
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}
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}
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echo
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mountstatus=x
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while(! ~ $mountstatus ''){
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prompt -w '' 'Distribution disk' $fat $x9660
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disk=$rd
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srvmedia=()
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mountmedia=()
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switch($disk){
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case $fs
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mountmedia=(bind /n/newfs /n/distmedia)
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case $fat
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srvmedia=(dossrv)
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mountmedia=(mount /srv/dos /n/distmedia $disk)
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case $ext2
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srvmedia=(ext2srv -r)
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mountmedia=(mount /srv/ext2 /n/distmedia $disk)
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case $x9660
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srvmedia=(9660srv)
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mountmedia=(mount /srv/9660 /n/distmedia $disk)
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case *
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echo Unknown disk type '(cannot happen)'
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exit oops
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}
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export srvmedia mountmedia
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domount
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mountstatus=$status
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}
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first=yes
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dir=/
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while(~ $first yes || ! havedist /n/distmedia/$dir){
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if(~ $first yes){
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echo
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echo Which directory contains the distribution?
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echo 'Any of the following will suffice (in order of preference):'
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echo ' - the root directory of the cd image'
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echo
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first=no
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}
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prompt -d $dir 'Location of archives'
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dir=$rd
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if(~ $#dir 0)
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dir=/
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if(! ~ $#dir 1)
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dir=$"dir
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if(! havedist /n/distmedia/$dir)
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echo 'No distribution found in '^`{cleanname /$dir}
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}
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distmediadir=$dir
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export distmediadir
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case checkdone
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if(! ~ $#distmediadir 1){
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mountdist=notdone
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export mountdist
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exit notdone
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}
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if(! havedist /n/distmedia/$distmediadir && ! havedist /n/newfs/dist){
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mountdist=notdone
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export mountdist
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exit notdone
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}
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exitifdone
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if(havedist /n/distmedia/$distmediadir){
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bind /n/distmedia/$distmediadir /n/dist
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exitifdone
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mountdist=notdone
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export mountdist
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exit notdone
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}
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mountdist=notdone
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export mountdist
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exit notdone
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}
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