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# Copyright 1999-2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7

VERIFY_SIG_OPENPGP_KEY_PATH="${BROOT}"/usr/share/openpgp-keys/tar.asc
inherit verify-sig

DESCRIPTION="Use this to make tarballs :)"
HOMEPAGE="https://www.gnu.org/software/tar/"
SRC_URI="mirror://gnu/tar/${P}.tar.xz
	https://alpha.gnu.org/gnu/tar/${P}.tar.xz"
SRC_URI+=" verify-sig? (
		mirror://gnu/tar/${P}.tar.xz.sig
		https://alpha.gnu.org/gnu/tar/${P}.tar.xz.sig
	)"

LICENSE="GPL-3+"
SLOT="0"
if [[ -z "$(ver_cut 3)" ]] || [[ "$(ver_cut 3)" -lt 90 ]] ; then
	KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86 ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
fi
IUSE="acl minimal nls selinux xattr"

RDEPEND="
	acl? ( virtual/acl )
	selinux? ( sys-libs/libselinux )
"
DEPEND="${RDEPEND}
	xattr? ( elibc_glibc? ( sys-apps/attr ) )
"
BDEPEND="
	nls? ( sys-devel/gettext )
	verify-sig? ( sec-keys/openpgp-keys-tar )
"

src_configure() {
	local myeconfargs=(
		--bindir="${EPREFIX}"/bin
		--enable-backup-scripts
		--libexecdir="${EPREFIX}"/usr/sbin
		$(use_with acl posix-acls)
		$(use_enable nls)
		$(use_with selinux)
		$(use_with xattr xattrs)
	)

	FORCE_UNSAFE_CONFIGURE=1 econf "${myeconfargs[@]}"
}

src_install() {
	default

	# a nasty yet required piece of baggage
	exeinto /etc
	doexe "${FILESDIR}"/rmt

	# autoconf looks for gtar before tar (in configure scripts), hence
	# in Prefix it is important that it is there, otherwise, a gtar from
	# the host system (FreeBSD, Solaris, Darwin) will be found instead
	# of the Prefix provided (GNU) tar
	if use prefix ; then
		dosym tar /bin/gtar
	fi

	mv "${ED}"/usr/sbin/backup{,-tar} || die
	mv "${ED}"/usr/sbin/restore{,-tar} || die

	if use minimal ; then
		find "${ED}"/etc "${ED}"/*bin/ "${ED}"/usr/*bin/ \
			-type f -a '!' '(' -name tar -o -name tar ')' \
			-delete || die
	fi
}