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#!/bin/rc
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rfork e
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echo
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echo 'Insert a disk other than your installation boot disk'
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echo 'into your floppy drive; it will be erased to create'
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echo 'the boot floppy.'
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echo
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echo -n 'Press enter when ready.'
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read >/dev/null >[2]/dev/null
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if(~ $#adisk 1)
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	;	# do nothing
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if not if(~ $#bootfile 0)
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	adisk=/dev/fd0disk
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if not {
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	switch($bootfile) {
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	case sd*
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		adisk=`{echo $bootfile | sed 's#(sd..).*#/dev/\1/data#'}
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	case fd*
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		adisk=`{echo $bootfile | sed 's#(fd.).*#/dev/\1disk#'}
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	case *
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		echo 'unknown bootfile '^$bootfile^'; mail 9trouble@plan9.bell-labs.com'
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		exit oops
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	}
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}
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if(! ~ `{ls -l $adisk | awk '{print $6}'} 1474560){
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	echo 'Will not format non-floppy disk '^$"adisk. >[1=2]
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	exit 'bad adisk'
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}
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log Formatting boot floppy
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if (test -e  /n/newfs/386/9loadnousb)
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	bind /n/newfs/386/9loadnousb /n/newfs/386/9load	# cater to old bioses
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disk/format -b /386/pbs \
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	-fd $adisk /n/newfs/386/9load /n/newfs/386/9pcdisk.gz \
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	/tmp/plan9ini.bak
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x=$status
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if(~ $x ''){
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	echo
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	echo 'Done!'
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	echo
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}
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exit $x