# Copyright 1999-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

# @ECLASS: rpm.eclass
# @MAINTAINER:
# base-system@gentoo.org
# @SUPPORTED_EAPIS: 7 8
# @BLURB: convenience class for extracting RPMs

case ${EAPI} in
	7|8) ;;
	*) die "${ECLASS}: EAPI ${EAPI:-0} not supported" ;;
esac

if [[ -z ${_RPM_ECLASS} ]] ; then
_RPM_ECLASS=1

inherit estack

BDEPEND="app-arch/rpm2targz"

# @FUNCTION: rpm_unpack
# @USAGE: <rpms>
# @DESCRIPTION:
# Unpack the contents of the specified rpms like the unpack() function.
rpm_unpack() {
	[[ $# -eq 0 ]] && set -- ${A}
	local a
	for a in "$@" ; do
		echo ">>> Unpacking ${a} to ${PWD}"
		if [[ ${a} == ./* ]] ; then
			: # nothing to do -- path is local
		elif [[ ${a} == "${DISTDIR}"/* ]] ; then
			eqawarn 'do not use ${DISTDIR} with rpm_unpack -- it is added for you'
		elif [[ ${a} == /* ]] ; then
			eqawarn 'do not use full paths with rpm_unpack -- use ./ paths instead'
		else
			a="${DISTDIR}/${a}"
		fi
		rpm2tar -O "${a}" | tar xf -
		assert "failure unpacking ${a}"
	done
}

# @FUNCTION: srcrpm_unpack
# @USAGE: <rpms>
# @DESCRIPTION:
# Unpack the contents of the specified rpms like the unpack() function as well
# as any archives that it might contain.  Note that the secondary archive
# unpack isn't perfect in that it simply unpacks all archives in the working
# directory (with the assumption that there weren't any to start with).
srcrpm_unpack() {
	[[ $# -eq 0 ]] && set -- ${A}
	rpm_unpack "$@"

	# no .src.rpm files, then nothing to do
	[[ "$* " != *".src.rpm " ]] && return 0

	eshopts_push -s nullglob

	# unpack everything
	local a
	for a in *.tar.{gz,bz2,xz} *.t{gz,bz2,xz} *.zip *.ZIP ; do
		unpack "./${a}"
		rm -f "${a}" || die
	done

	eshopts_pop

	return 0
}

# @FUNCTION: rpm_src_unpack
# @DESCRIPTION:
# Automatically unpack all archives in ${A} including rpms.  If one of the
# archives in a source rpm, then the sub archives will be unpacked as well.
rpm_src_unpack() {
	local a
	for a in ${A} ; do
		case ${a} in
		*.rpm) srcrpm_unpack "${a}" ;;
		*)     unpack "${a}" ;;
		esac
	done
}

fi

EXPORT_FUNCTIONS src_unpack