# Copyright 1999-2019 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7

MY_P="${PN}-v${PV}"
DESCRIPTION="Fast, reliable, and secure node dependency management"
HOMEPAGE="https://yarnpkg.com"
SRC_URI="https://github.com/yarnpkg/yarn/releases/download/v${PV}/${MY_P}.tar.gz"
RESTRICT="mirror"

LICENSE="BSD-2"
SLOT="0"
KEYWORDS="~amd64 ~x86"

RDEPEND="
	!dev-util/cmdtest
	net-libs/nodejs[npm]
"

S="${WORKDIR}/${MY_P}"

src_prepare() {
	rm bin/*.cmd || die
	default
}

src_install() {
	local install_dir path shebang
	install_dir="/usr/$(get_libdir)/node_modules/yarn"
	insinto "${install_dir}"
	doins -r .
	dosym "../$(get_libdir)/node_modules/yarn/bin/yarn.js" "/usr/bin/yarn"

	while read -r -d '' path; do
		read -r shebang < "${ED}${path}" || die
		[[ "${shebang}" == \#\!* ]] || continue
		fperms +x "${path}"
	done < <(find "${ED}" -type f -printf '/%P\0' || die)
}