#! /bin/sh --
#
#	$NetBSD: checkflist,v 1.25 2004/01/08 01:31:57 lukem Exp $
#
# Verify output of makeflist against contents of $DESTDIR.

if [ -z "$DESTDIR" ]; then
	echo "DESTDIR must be set"
	exit 1
fi

prog=${0##*/}

: ${HOST_SH=sh}
: ${MKTEMP=mktemp}
SDIR=$(${MKTEMP} -d /tmp/${prog}.XXXXXX)

es=0
cleanup()
{
	/bin/rm -rf $SDIR
	if [ $es -gt 255 ] ; then
		es=255
	fi
	exit $es
}
trap cleanup 0 2 3 13		# EXIT INT QUIT PIPE


origin=.
xargs=""
dargs=""
metalog=
allowextra=false
allowmissing=false

# handle args
while getopts xbM:em ch; do
	case ${ch} in
	x)
		xargs="-x"
		origin="./etc/X11 ./etc/fonts ./usr/X11R6"
		;;
	b)
		xargs="-b"
		;;
	M)
		metalog=${OPTARG}
		;;
	e)
		allowextra=true
		;;
	m)
		allowmissing=true
		;;
	*)
		cat 1>&2 <<USAGE
Usage: ${prog} [-x|-b] [-M metalog] [-e] [-m]
	-x		check only x11 lists
	-b		check netbsd + x11 lists
	-M metalog	metalog file
	-e		extra files are not considered an error
	-m		missing files are not considered an error
USAGE
		exit 1
		;;
	esac
done
shift $((${OPTIND} - 1))

if [ -n "$metalog" ]; then
	case "$metalog" in
	${DESTDIR}/*)
		# Metalog would be noticed, so make sure it gets
		# ignored.
		metalog="./${metalog#${DESTDIR}/}"
		;;
	*)
		metalog=""
	esac
fi


${HOST_SH} ./makeflist $xargs $dargs > $SDIR/flist

(
	cd $DESTDIR
	find $origin \( -type d -o -type f -o -type l \) -print
) | (
	while read line; do
		case "$line" in
		$metalog)
			;;
		*)
			echo $line
			;;
		esac
	done
) | sort > $SDIR/files

comm -23 $SDIR/flist $SDIR/files > $SDIR/missing
comm -13 $SDIR/flist $SDIR/files > $SDIR/extra

if [ -s $SDIR/extra ]; then
	count=$(awk 'END {print NR}' $SDIR/extra)
	echo ""
	echo "============  ${count} extra files  ==============="
	echo "Files in DESTDIR but missing from flist."
	echo "File is obsolete or flist is out of date ?"
	if ${allowextra}; then
		echo "This is non-fatal."
	else
		es=1
	fi
	echo "------------------------------------------"
	cat $SDIR/extra
	echo "=========  end of ${count} extra files  ==========="
	echo ""
fi

if [ -s $SDIR/missing ]; then
	count=$(awk 'END {print NR}' $SDIR/missing)
	echo ""
	echo "===========  ${count} missing files  =============="
	echo "Files in flist but missing from DESTDIR."
	echo "File wasn't installed ?"
	if ${allowmissing}; then
		echo "This is non-fatal."
	else
		es=1
	fi
	echo "------------------------------------------"
	cat $SDIR/missing
	echo "========  end of ${count} missing files  =========="
	echo ""
fi

exit 0		# cleanup will exit with $es