# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

inherit java-vm-2 toolchain-funcs

abi_uri() {
	local os=linux
	case ${2} in
		*-macos)    os=mac      ;;
		*-solaris)  os=solaris  ;;
	esac
	echo "${2-$1}? (
			https://github.com/adoptium/temurin${SLOT}-binaries/releases/download/jdk-${MY_PV}/OpenJDK${SLOT}U-jdk_${1}_${os}_hotspot_${MY_PV//+/_}.tar.gz
		)"
}

MY_PV=${PV/_p/+}
SLOT=${MY_PV%%[.+]*}

SRC_URI="
	$(abi_uri arm)
	$(abi_uri aarch64 arm64)
	$(abi_uri ppc64le ppc64)
	$(abi_uri x64 amd64)
	$(abi_uri x64 x64-macos)
"

DESCRIPTION="Prebuilt Java JDK binaries provided by Eclipse Temurin"
HOMEPAGE="https://adoptium.net"
LICENSE="GPL-2-with-classpath-exception"
KEYWORDS="~amd64 ~arm ~arm64 ~ppc64 ~x64-macos"
IUSE="alsa cups +gentoo-vm headless-awt selinux source"

RDEPEND="
	>=sys-apps/baselayout-java-0.1.0-r1
	kernel_linux? (
		media-libs/fontconfig:1.0
		media-libs/freetype:2
		media-libs/harfbuzz
		>=sys-libs/glibc-2.2.5:*
		sys-libs/zlib
		alsa? ( media-libs/alsa-lib )
		cups? ( net-print/cups )
		selinux? ( sec-policy/selinux-java )
		!headless-awt? (
			x11-libs/libX11
			x11-libs/libXext
			x11-libs/libXi
			x11-libs/libXrender
			x11-libs/libXtst
		)
	)"

RESTRICT="preserve-libs splitdebug"
QA_PREBUILT="*"

S="${WORKDIR}/jdk-${MY_PV}"

pkg_pretend() {
	if [[ "$(tc-is-softfloat)" != "no" ]]; then
		die "These binaries require a hardfloat system."
	fi
}

src_unpack() {
	default
	if [[ ${A} == *_mac_* ]] ; then
		mv -v "${S}/Contents/Home/"* "${S}" || die
		rm -Rf "${S}/Contents"  # drop macOS executable
	fi
}

src_install() {
	local dest="/opt/${P}"
	local ddest="${ED%/}/${dest#/}"

	# on macOS if they would exist they would be called .dylib, but most
	# importantly, there are no different providers, so everything
	# that's shipped works.
	if [[ ${A} != *_mac_* ]] ; then
		# Not sure why they bundle this as it's commonly available and they
		# only do so on x86_64. It's needed by libfontmanager.so. IcedTea
		# also has an explicit dependency while Oracle seemingly dlopens it.
		rm -vf lib/libfreetype.so || die

		# prefer system copy # https://bugs.gentoo.org/776676
		rm -vf lib/libharfbuzz.so || die

		# Oracle and IcedTea have libjsoundalsa.so depending on
		# libasound.so.2 but AdoptOpenJDK only has libjsound.so. Weird.
		if ! use alsa ; then
			rm -v lib/libjsound.* || die
		fi

		if use headless-awt ; then
			rm -v lib/lib*{[jx]awt,splashscreen}* || die
		fi
	fi

	if ! use source ; then
		rm -v lib/src.zip || die
	fi

	rm -v lib/security/cacerts || die
	dosym ../../../../etc/ssl/certs/java/cacerts \
		"${dest}"/lib/security/cacerts

	dodir "${dest}"
	cp -pPR * "${ddest}" || die

	# provide stable symlink
	dosym "${P}" "/opt/${PN}-${SLOT}"

	use gentoo-vm && java-vm_install-env "${FILESDIR}"/${PN}-${SLOT}.env.sh
	java-vm_set-pax-markings "${ddest}"
	java-vm_revdep-mask
	java-vm_sandbox-predict /dev/random /proc/self/coredump_filter
}

pkg_postinst() {
	java-vm-2_pkg_postinst

	if use gentoo-vm ; then
		ewarn "WARNING! You have enabled the gentoo-vm USE flag, making this JDK"
		ewarn "recognised by the system. This will almost certainly break"
		ewarn "many java ebuilds as they are not ready for openjdk-11"
	else
		ewarn "The experimental gentoo-vm USE flag has not been enabled so this JDK"
		ewarn "will not be recognised by the system. For example, simply calling"
		ewarn "\"java\" will launch a different JVM. This is necessary until Gentoo"
		ewarn "fully supports Java 11. This JDK must therefore be invoked using its"
		ewarn "absolute location under ${EPREFIX}/opt/${P}."
	fi
}