epm-requires

#!/bin/sh
#
# Copyright (C) 2012  Etersoft
# Copyright (C) 2012  Vitaly Lipatov <lav@etersoft.ru>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#

epm_requires()
{
	local CMD
	[ -n "$pkg_filenames" ] || fatal "Run query without names"

# by package file
case $PMTYPE in
	apt-rpm|urpm-rpm|zypper-rpm|yum-rpm)
		CMD="rpm -q --requires -p"
		;;
	apt-dpkg)
		showcmd dpkg -s $pkg_files
		a= dpkg -s $pkg_names | grep "^Depends:" | sed "s|^Depends:||g"
		return
		;;
	*)
		fatal "Do not known command for $PMTYPE"
		;;
esac

[ -n "$pkg_files" ] && docmd $CMD $pkg_files

# by package name
case $PMTYPE in
	apt-rpm|urpm-rpm|zypper-rpm)
		# FIXME: use hi level commands
		CMD="rpm -q --requires"
		;;
	yum-rpm)
		CMD="yum deplist"
		;;
	pacman)
		CMD="pactree"
		;;
	apt-dpkg)
		CMD="apt-cache depends"
		;;
	*)
		fatal "Do not known command for $PMTYPE"
		;;
esac


[ -n "$pkg_names" ] && docmd $CMD $pkg_names

}