# Copyright 1999-2003 Gentoo Technologies, Inc.
# Distributed under the terms of the GNU General Public License v2
# $Header:  $


DESCRIPTION="The Zero Install system makes software installation not merely easy, but unnecessary."
HOMEPAGE="http://zero-install.sourceforge.net/"
SRC_URI="mirror://sourceforge/zero-install/${P}.tar.gz"

LICENSE="Academic"
SLOT="0"
KEYWORDS="~x86"
IUSE=""

DEPEND="app-arch/bzip2
	>=sys-apps/dbus-0.20
	dev-libs/expat
	app-crypt/gnupg
	virtual/linux-sources"

pkg_setup() {
	# create group and user zeroinst
	if [ -z "$(getent group zeroinst)" ]; then
		groupadd -g 260 zeroinst || groupadd zeroinst || die "problem adding group zeroinst"
	fi
	if [ -z "$(getent passwd zeroinst)" ]; then
		useradd -d /uri -s /bin/false -g zeroinst -u 260 zeroinst || useradd -d /uri -s /bin/false -g zeroinst -u 260 zeroinst || die "problem adding user zeroinst"
	fi
}

src_unpack() {
	unpack ${P}.tar.gz
	cd ${S}
	#Apply patch
	patch -b -p0 < ${FILESDIR}/${P}-bv.diff || die
}

src_compile() {
	econf --with-user=zeroinst || die
	emake || die
}

src_install () {
#	dobin 0run
	make DESTDIR=${D} install || die
	rm -f ${D}/etc/init.d/0install
	insopts -m 0750 -g root -o root
	insinto /etc/init.d
	newins ${FILESDIR}/0install.bv 0install
	grep -v "^lazyfs[[:space:]]*/uri" /etc/fstab > ${D}/etc/fstab
	lazyfsVERSION=$(echo ${PV}|sed 's|\.|d|g')
	echo "lazyfs	/uri/0install	lazyfs${lazyfsVERSION}	/var/cache/zero-inst	0 0" >> ${D}/etc/fstab
	dodoc COPYING NEWS README Technical
}

pkg_preinst () {
	# Stopping existing daemon...
	[ -x /etc/init.d/0install ] && /etc/init.d/0install stop
	[ ! -L /uri/0install/.lazyfs-cache ] || umount -l /uri/0install
}

pkg_postinst () {
	depmod -a
	/sbin/depscan.sh
	mkdir -p -m 755 /uri/0install
	mkdir -p -m 755 /var/cache/zero-inst
	chown zeroinst /var/cache/zero-inst
	lsmod | grep '^lazyfs' | awk '{print $1}' | xargs rmmod || einfo "*** Old LazyFS module is still in use. You should remove it later."
	mount /uri/0install
	einfo "Start the zero-install helper with: /etc/init.d/0install start"
 	einfo "Add it to your default init scripts with: rc-update add 0install default"
	einfo "You can check that it works with: cat /uri/0install/zero-install.sourceforge.net/demo/test.txt"
}