EAPI=8

inherit toolchain-funcs

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"

DEPEND="sys-libs/ncurses-compat"
RDEPEND="${DEPEND}"
BDEPEND="virtual/pkgconfig"

src_configure() {
	cat > conftest.c <<-EOF
		#include <term.h>
		#include <ncurses.h>
		int main(void) { setupterm(NULL, 0, NULL); return 0; }
	EOF

	echo "=== testing -lcurses ==="
	if ${CC} ${CFLAGS} -o conftest.o -c conftest.c &&
		${CC} ${LDFLAGS} -o conftest conftest.o -lcurses
	then
		echo "=== -lcurses WORKS ==="
	else
		echo "=== -lcurses FAILED ==="
	fi

	echo "=== testing -lncurses ==="
	if ${CC} ${CFLAGS} -o conftest.o -c conftest.c &&
		${CC} ${LDFLAGS} -o conftest conftest.o -lncurses
	then
		echo "=== -lncurses WORKS ==="
	else
		echo "=== -lncurses FAILED ==="
	fi

	econf --enable-curses
}

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
}