# Copyright 2022-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

MY_PN=${PN}3
MECK_PV=0.8.13 # see rebar.config

inherit bash-completion-r1

DESCRIPTION="A sophisticated build-tool for Erlang projects that follows OTP principles"
HOMEPAGE="https://www.rebar3.org https://github.com/erlang/rebar3"
SRC_URI="
	https://github.com/erlang/${MY_PN}/archive/refs/tags/${PV}.tar.gz -> ${P}.tar.gz
	test? ( https://repo.hex.pm/tarballs/meck-${MECK_PV}.tar )
"
S="${WORKDIR}"/${MY_PN}-${PV}

LICENSE="Apache-2.0 MIT BSD"
SLOT="3"
KEYWORDS="amd64 ~arm ~ia64 ppc ppc64 sparc x86"
IUSE="test"

RESTRICT="!test? ( test )"

# Note: /usr/bin/rebar is a ZIP archive of BEAM files so := is needed
# see #913601
RDEPEND="
	dev-lang/erlang:=[ssl]
"
DEPEND="${RDEPEND}"

src_unpack() {
	unpack ${P}.tar.gz

	if use test; then
		mkdir "${S}"/vendor/meck || die
		tar -O -xf "${DISTDIR}"/meck-${MECK_PV}.tar contents.tar.gz |
			tar -xzf - -C "${S}"/vendor/meck
		assert
	fi
}

src_compile() {
	./bootstrap || die
}

src_test() {
	./rebar3 ct || die
}

src_install() {
	dobashcomp apps/rebar/priv/shell-completion/bash/${MY_PN}
	dobin ${MY_PN}
	dodoc rebar.config.sample
	doman manpages/${MY_PN}.1

	# MIX_REBAR3: Used by elixir
	newenvd - 98rebar3 <<-EOF
	MIX_REBAR3=${EPREFIX}/usr/bin/${MY_PN}
EOF

	insinto /usr/share/fish/completion
	newins apps/rebar/priv/shell-completion/fish/${MY_PN}.fish ${MY_PN}

	insinto /usr/share/zsh/site-functions
	doins apps/rebar/priv/shell-completion/zsh/_${MY_PN}
}