74 lines
1.8 KiB
Bash
Executable file
74 lines
1.8 KiB
Bash
Executable file
#!/bin/rc
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# desc: edit partition tables (e.g., to create a plan 9 partition)
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# prereq: configfs
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switch($1){
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case go
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disks=`{ls /dev/sd*/data >[2]/dev/null | sed 's!/dev/(sd.*)/data!\1!'}
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if(~ $#disks 0) {
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echo 'No disk devices were found on your system.'
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echo 'The installation process cannot continue.'
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exit giveup
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}
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echo 'The following disk devices were found.'
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echo
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for(i in $disks) {
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desc=`{cat /dev/$i/ctl | sed 1q | sed 's/inquiry //'}
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echo $i '-' $desc
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echo e | disk/fdisk -r /dev/$i/data >[2]/dev/null | grep -v '^ mbr'
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echo
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}
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okay=no
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defdisk=$disks(1)
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if(~ $#disks 1)
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default=(-d $disks)
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if not
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default=()
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prompt $default 'Disk to partition' $disks
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disk=$rd
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if(! hasmbr /dev/$disk/data) {
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echo 'The disk you selected HAS NO master boot record on its first sector.'
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echo '(Perhaps it is a completely blank disk.)'
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echo 'You need a master boot record to use the disk.'
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echo 'Should we install a default master boot record?'
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echo
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prompt 'Install mbr' y n
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switch($rd) {
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case y
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disk/mbr -m /386/mbr /dev/$disk/data
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pickdisk=done
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}
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}
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echo
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echo 'This is disk/fdisk; use it to create a Plan 9 partition.'
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echo 'If there is enough room, a Plan 9 partition will be'
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echo 'suggested; you can probably just type ''w'' and then ''q''.'
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echo
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disk/fdisk -a /dev/$disk/data
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disk/fdisk -p /dev/$disk/data >/dev/$disk/ctl >[2]/dev/null
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for(i in /dev/sd*/plan9*){
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if(test -f $i){
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d=`{basename -d $i}
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disk/prep -p $i >$d/ctl >[2]/dev/null
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}
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}
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case checkdone
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# we want at least one disk with both an mbr and a plan9 partition
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mbrandplan9=0
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disks=`{ls /dev/sd*/plan9 >[2]/dev/null | sed 's!/dev/(sd.*)/plan9!\1!'}
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for(disk in $disks) {
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if(hasmbr /dev/$disk/data)
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mbrandplan9=1
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}
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if(~ $mbrandplan9 0){
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partdisk=notdone
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export partdisk
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}
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}
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