#!/bin/sh
#       $NetBSD: binstall.sh,v 1.18 2018/09/22 03:29:51 kre Exp $
#

vecho () {
       # echo if VERBOSE on
       [ -n "$VERBOSE" ] && echo "$*" 1>&2
       return 0
}

Options () {
       echo "Options:"
       echo "  -h              - display this message"
       echo "  -u              - install sparc64 (UltraSPARC) boot block"
       echo "  -U              - install sparc boot block"
       echo "  -b<bootprog>    - second-stage boot program to install"
       echo "  -f<pathname>    - path to device/file image for filesystem"
       echo "  -m<path>        - Look for boot programs in <path> (default: /usr/mdec)"
       echo "  -i<progname>    - Use the installboot program at <progname>"
       echo "                    (default: /usr/sbin/installboot)"
       echo "  -v              - verbose mode"
       echo "  -t              - test mode (implies -v)"
}

Usage () {
       echo "Usage: $0"' [options] <"net"|"ffs"> <directory>'
       Options
       exit 1
}

Help () {
       echo "This script copies the boot programs to one of several"
       echo "commonly used places."
       echo 'When installing an "ffs" boot program, this script also runs'
       echo "installboot(8) which installs the default proto bootblocks into"
       echo "the appropriate filesystem partition or filesystem image."
       Options
       exit 0
}

Secure () {
       echo "This script has to be run when the kernel is in 'insecure' mode,"
       echo "or when applying bootblocks to a file image (ala vnd)."
       echo "The best way is to run this script in single-user mode."
       exit 1
}

PATH=/bin:/usr/bin:/sbin:/usr/sbin
VERBOSE=
: ${MDEC:=/usr/mdec}
: ${INSTALLBOOT:=/usr/sbin/installboot}
: ${BOOTPROG:=boot}
: ${OFWBOOTBLK:=ofwboot}
[ "$( sysctl -n machdep.cpu_arch )" = 9 ] && ULTRASPARC=true || ULTRASPARC=false

while getopts b:hf:i:m:tUuv a
do
       case "$a" in
       h) Help;;
       u) ULTRASPARC=true;;
       U) ULTRASPARC=false;;
       b) BOOTPROG=$OPTARG; OFWBOOTBLK=$OPTARG;;
       f) DEV=$OPTARG;;
       m) MDEC=$OPTARG;;
       i) INSTALLBOOT=$OPTARG;;
       t) TEST=1; VERBOSE=-v;;
       v) VERBOSE=-v;;
       \?) Usage;;
       esac
done
shift $(( $OPTIND - 1 ))

if [ "$( sysctl -n kern.securelevel )" -gt 0 ] && ! [ -f "$DEV" ]; then
       Secure
fi

DOIT=${TEST:+echo "=>"}

if [ $# != 2 ]; then
       Usage
fi

WHAT=$1
DEST=$2

if ! [ -d "$DEST" ]; then
       echo "$DEST: not a directory"
       Usage
fi

if $ULTRASPARC
then
       machine=sparc64
       targ=ofwboot
       stage2=""
       netboot=ofwboot
       BOOTPROG=$OFWBOOTBLK
       BOOTXX=${MDEC}/bootblk
else
       machine=sparc
       targ=boot
       stage2=${targ}
       netboot=boot.net
       BOOTXX=${MDEC}/bootxx
fi

case $WHAT in
"ffs")
       if [ -z "$DEV" ]; then
               # Lookup device mounted on DEST
               DEV=$( mount | while read line; do
                       set -- $line
                       vecho "Inspecting \"$line\""
                       if [ "$2" = "on" ] && [ "$3" = "$DEST" ]; then
                               [ -b "$1" ] || continue
                               case "$1" in
                               (*/*) RAW="${1%/*}/r${1##*/}";;
                               (*)   RAW="r$1";;
                               esac
                               [ -c "$RAW" ] || continue
                               echo -n "$RAW"
                               break;
                       fi
               done )
               if [ -z "$DEV" ]; then
                       echo "Cannot find \"$DEST\" in mount table"
                       exit 1
               fi
       fi

       vecho "Boot device: $DEV"
       vecho "Primary boot program: $BOOTXX"
       vecho "Secondary boot program: $DEST/$targ"

       $DOIT cp -p -f "${MDEC}/${BOOTPROG}" "$DEST/$targ"
       sync; sync; sync
       vecho "${INSTALLBOOT} ${VERBOSE} -m $machine $DEV $BOOTXX $stage2"
       $DOIT "${INSTALLBOOT}" ${VERBOSE} -m "$machine" \
               "$DEV" "$BOOTXX" "$stage2"
       ;;

"net")
       vecho "Network boot program: $DEST/$boot.${machine}.netbsd"
       $DOIT cp -p -f "${MDEC}/$netboot" "$DEST/$boot.${machine}.netbsd"
       ;;

*)
       echo "$WHAT: not recognised"
       exit 1
       ;;
esac

exit $?

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