SunOS5/replace

#!/bin/ksh
SBIN=/usr/sbin
debug=echo
undo=0

update() {
	echo "UPDATE $1 $2 $3"
	base=$1
	dir=$2
	file=$3
	Z=$IFS
	IFS=:
	set $file
	if [[ -z $2 ]] ; then
		o=$1
		n=$1
	else
		o=$1
		n=$2
	fi
	set $dir
	sdir=$1
	ddir=$2
	IFS=$Z

	if [[ -z ${sdir} && ! -d ${base}/${ddir} ]] ; then
		ddir=
	fi

	sprog=${cpudir}/${sdir}/${n}
	dprog=${base}/${ddir}/${o}

	if [[ $undo -eq 0 ]] ; then
		if [[ -d ${base}/${ddir} ]] ; then
			if [[ ! -f ${dprog}.dist ]] ; then
				$debug /bin/mv ${dprog} ${dprog}.dist
				$debug /bin/cp -p ${dprog}.dist ${dprog}
			fi
			$debug /bin/cp ${sprog} ${dprog}
		else
			links=$(/bin/ls -dl ${dprog} | awk ' { print $2; } ' -)
			if [[ $links -eq 1 ]] ; then
				if [[ ! -f ${dprog}.dist ]] ; then
					$debug /bin/mv ${dprog} ${dprog}.dist
					$debug /bin/cp -p ${dprog}.dist ${dprog}
				fi
				$debug /bin/cp ${sprog} ${dprog}
			fi
		fi
	else
		if [[ -f ${dprog}.dist ]] ; then
			$debug /bin/mv -f ${dprog}.dist ${dprog}
		fi
	fi
}

while [[ $# -gt 0 ]] ; do
	case $1 in
	undo)
		undo=1
		;;
	-f)
		debug=
		;;
	-d)
		debug=echo
		;;
	esac
	shift
done

case $(pwd) in
*/SunOS5)
	;;
*/SunOS5/*)
	exit 1
	;;
*)
	cd SunOS5
	;;
esac
cpu=`uname -p`
cpudir=${cpu}-`uname -r`

if [[ -d ${cpudir}/amd64 ]] ; then
	big=amd64
fi
if [[ -d ${cpudir}/sparcv9 ]] ; then
	big=sparcv9
fi
if [[ -d ${cpudir}/i86 ]] ; then
	small=i86
fi
if [[ -d ${cpudir}/sparc ]] ; then
	small=sparc
fi
echo "$cpudir.$big.$small."

if [[ -n ${big} ]] ; then
	for i in ipf:ipf.exe ipfs ipfstat ipmon ipnat ippool; do
		update $SBIN ${big}:${big} $i
	done
	update /usr/lib/ipf ${big}:${big} ipftest
	update /usr/kernel/drv ${big}:${big} ipf
fi
if [[ -n ${small} ]] ; then
	for i in ipf:ipf.exe ipfs ipfstat ipmon ipnat ippool; do
		update $SBIN ${small}:${small} $i
	done
	update /usr/lib/ipf ${small}:${small} ipftest
	update /usr/kernel/drv ":" ipf
fi
if [[ -z ${small} && -z ${big} ]] ; then
	if [[ -z ${small} ]] ; then
		case ${cpu} in
		i386)
			small=i86
			;;
		sparc)
			small=sparc
			;;
		esac
	fi
	for i in ipf:ipf.exe ipfs ipfstat ipmon ipnat ippool; do
		update $SBIN :${small} $i
	done
	update /usr/lib/ipf :${small} ipftest
	update /usr/kernel/drv :${small} ipf
fi
exit 0