#!/bin/sh
#
# Copyright (C) 2009, 2012  Etersoft
# Copyright (C) 2009, 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/>.
#

check_rpm_integrity()
{
	docmd rpm --checksig $@
}

check_deb_integrity()
{
	# FIXME: debsums -ca package ?
	docmd dpkg --contents $@
}

check_bz2_integrity()
{
	docmd bunzip -t $1
}

check_tbz_integrity()
{
	check_bz2_integrity $@
}

check_gz_integrity()
{
	docmd gunzip -t $1
}

check_tgz_integrity()
{
	check_gz_integrity $@
}

check_zip_integrity()
{
	docmd unzip -t $@
}

check_rar_integrity()
{
	docmd unrar t $@
}

check_xz_integrity()
{
	docmd xz -t $1
}

check_7z_integrity()
{
	docmd 7z t $1
}

check_exe_integrity()
{
	# skip
	true
}

check_ebuild_integrity()
{
	# skip
	true
}

check_pkg_integrity()
{
	local EXT=`echo "$1" | sed -e "s|.*\.\([a-z0-9]*\)\$|\1|g"`
	local PKG="$1"
	local RET
	# TODO: Попробовать здесь оставить возможность перегрузки функций
	case $EXT in
	rpm)
		docmd rpm --checksig $@
		;;
	deb)
		# FIXME: debsums -ca package ?
		docmd dpkg --contents $@
		;;
	bz2)
		docmd bunzip -t $1
		;;
	#*)
	#	fatal "Unknown package extension '$EXT' in $PKG package"
	#	;;
	esac
	check_${EXT}_integrity "$PKG" || fatal "Unknown package extension '$EXT' in $PKG package"
}

__epm_check_installed_pkg()
{
case $PMTYPE in
	*-rpm)
		docmd rpm -V $@
		;;
	*-dpkg)
		docmd debsums $@
		;;
	*)
		fatal "Do not known command for $PMTYPE"
		;;
esac

}


epm_checkpkg()
{
	if [ -n "$pkg_names" ] ; then
		__epm_check_installed_pkg $pkg_names
		return
	fi

	[ -n "$pkg_files" ] || fatal "Run without names"
	local pkg
	for pkg in $pkg_files ; do
		check_pkg_integrity $pkg || fatal "Broken package $pkg"
	done
}