#!/bin/sh
#
# $NetBSD: maketars,v 1.40 2003/04/07 17:22:19 perry Exp $
#
# Make release tar files for some or all lists.  Usage:
# maketars [-b] [-x] [-i installdir] [-a arch] [-m machine] [-s setsdir]
#	[-M metalog] [-N etcdir] [-d destdir] [-t tardir] [setname ...]
#
# The default sets are "base comp etc games man misc text"
#
# If '-i installdir' is given, copy the given sets to installdir
# (using pax -rw ...) instead of creating tar files.
# In this case, remove "etc" from the list of default sets.
#

# set defaults
: ${PAX=pax}
: ${MTREE=mtree}
make="${MAKE:-make} -j 1 -f `dirname $0`/Makefile"

machine=`${make} print_machine`
machine_arch=`${make} print_machine_arch`
setd=`pwd`
nlists="base comp etc games man misc text"
xlists="xbase xcomp xcontrib xfont xserver xmisc"
lists=$nlists
tars=$RELEASEDIR
dest=$DESTDIR
metalog=
installdir=
etcdir=

# handle args
while : ; do
	case $1 in
	-b*)
		lists="$xlists $nlists"
		;;
	-x*)
		lists=$xlists
		;;
	-i*)
		installdir=$2; shift
		;;
	-a*)
		machine_arch=$2; shift
		;;
	-M*)
		metalog=$2; shift
		;;
	-m*)
		machine=$2; shift
		;;
	-N*)
		etcdir=$2; shift
		;;
	-s*)
		setd=$2; shift
		;;
	-d*)
		dest=$2; shift
		;;
	-t*)
		tars=$2; shift
		;;
	-*)
		cat 1>&2 <<USAGE
Usage: $0 [-b] [-x] [-i idir] [-a arch] [-m machine] [-s setsdir]
	    [-M metalog] [-N etcdir] [-d dest] [-t targetdir] [setname ...]
	-b		make netbsd + x11 lists
	-x		only make x11 lists
	-i idir		install sets to idir instead of creating tar files
	-a arch		set arch (e.g, m68k, mipseb, mipsel, powerpc) [$machine_arch]
	-m machine	set machine (e.g, amiga, i386, macppc) [$machine]
	-s setsdir	directory to find sets [$setd]
	-M metalog	metalog file
	-N etcdir	etc dir for metalog use [$dest/etc]
	-d dest		\$DESTDIR	[$dest]
	-t targetdir	\$RELEASEDIR	[$tars]
	[setname ...]	sets to build 	[$lists]
USAGE
		exit 1
		;;
	*)
		break
		;;
	esac
	shift
done
if [ -n "$installdir" ]; then		# if -i, remove etc from default list
	lists=$(echo $lists | sed -e 's/ etc / /')
fi
if [ -n "$*" ]; then
	lists="$*"
fi

if [ -z "$tars" -a -z "$installdir" ]; then
	echo \$RELEASEDIR must be set, or -i must be used
	exit 1
fi

if [ -z "$dest" ]; then
	echo \$DESTDIR must be set
	exit 1
fi
: ${etcdir:=${dest}/etc}

# Make sure we don't loop forever if mkdir will always fail.

if [ ! -d /tmp ]; then
	echo /tmp is not a directory
	exit 1
fi

if [ ! -w /tmp ]; then
	echo /tmp is not writable
	exit 1
fi

SDIR_BASE=/tmp/maketar.$$
SDIR_SERIAL=0

while true; do
	SDIR=${SDIR_BASE}.${SDIR_SERIAL}
	mkdir -m 0700 ${SDIR} && break
	SDIR_SERIAL=$((${SDIR_SERIAL} + 1))
done    

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

if [ -n "$metalog" ]; then
	echo "Parsing $metalog"
	(
		cat ${etcdir}/mtree/NetBSD.dist
		echo "/unset all"
		cat $metalog
	) | ${MTREE} -C -k all -N ${etcdir} > $SDIR/metalog
fi

GZIP=-9			# for pax -z
export GZIP

for setname in $lists; do
	out=$setname.tgz
	if [ -n "$installdir" ]; then
		echo "Copying set $setname"
	else
		echo "Creating $out"
	fi
	sh $setd/makeflist -a $machine_arch -m $machine -s $setd $setname \
	    > $SDIR/flist.$setname
	if [ -n "$metalog" ]; then
		awk -f getdirs.awk $SDIR/flist.$setname | sort -u \
		    > $SDIR/flist.$setname.full
		(
			echo "/set uname=root gname=wheel"
			awk -f join.awk $SDIR/flist.$setname.full $SDIR/metalog
		) > $SDIR/plist.$setname
	else
		mv $SDIR/flist.$setname $SDIR/plist.$setname
	fi

	if [ -n "$installdir" ]; then
		( cd $dest ; \
		    ${PAX} -O -rwpe -d -N${etcdir} ${metalog:+-M} \
		    $installdir < ${SDIR}/plist.$setname )
	else
		( cd $dest ; \
		    ${PAX} -O -w -d -z -N${etcdir} ${metalog:+-M} \
		    < ${SDIR}/plist.$setname ) > ${tars}/$out
	fi
	es=$(($es + $?))
done
if [ $es -gt 255 ] ; then
	es=255
fi
exit $es