EAPI=8

DESCRIPTION="Portable OpenBSD Korn shell"
HOMEPAGE="https://github.com/ibara/oksh"
SRC_URI="https://github.com/ibara/oksh/releases/download/oksh-${PV}/oksh-${PV}.tar.gz"

LICENSE="BSD-3 ISC public-domain"
SLOT="0"
KEYWORDS="~amd64 ~arm64 ~x86"
IUSE="ncurses"

DEPEND="ncurses? ( sys-libs/ncurses )"
RDEPEND="${DEPEND}"

src_configure() {
	local myeconfargs=(
		$(use_enable ncurses curses)
	)

	econf "${myeconfargs[@]}"
}

src_test() {
	local shell="${S}/oksh"

	[[ -x ${shell} ]] || die "oksh binary was not built"

	"${shell}" -c 'printf "%s\n" "$((2 + 2))"' \
		| grep -qx '4' \
		|| die "arithmetic smoke test failed"

	"${shell}" -c 'x=oksh; test "$x" = oksh' \
		|| die "shell variable/test smoke test failed"

	"${shell}" -c 'printf "%s\n" "hello world"' \
		| grep -qx 'hello world' \
		|| die "basic output smoke test failed"

	"${shell}" -n -c 'case foo in foo) exit 0;; esac' \
		|| die "syntax smoke test failed"
}

src_install() {
	emake DESTDIR="${D}" PREFIX="${EPREFIX}/usr" install

	dodoc CONTRIBUTORS NOTES README.md README.pdksh LEGAL
	doman oksh.1
}