sys-cluster/spark-bin: conditionally install pre-compiled JARs.

Spark 2.4.x JARs comes in two flavours:
* Pre-compiled with Scala 2.11.
* Pre-compiled with Scala 2.12.

Add conditions to install either one of these flavours. Also do not
install Spark + Hadoop JARs anymore but only Spark JARs.

Package-Manager: Portage-3.0.9, Repoman-3.0.2
Signed-off-by: Patrice Clement <monsieurp@gentoo.org>

1 files changed, 84 insertions, 0 deletions

diff --git a/sys-cluster/spark-bin/spark-bin-2.4.7-r1.ebuild b/sys-cluster/spark-bin/spark-bin-2.4.7-r1.ebuild
new file mode 100644
index 000000000000..3016c0cf7bdb
--- /dev/null
+++ b/sys-cluster/spark-bin/spark-bin-2.4.7-r1.ebuild
@@ -0,0 +1,84 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit java-pkg-2
+
+DESCRIPTION="Lightning-fast unified analytics engine"
+HOMEPAGE="https://spark.apache.org"
+SRC_URI="
+	!scala212? ( scala211? ( mirror://apache/spark/spark-${PV}/spark-${PV}-bin-without-hadoop.tgz -> ${P}-scala211.tgz ) )
+	!scala211? ( scala212? ( mirror://apache/spark/spark-${PV}/spark-${PV}-bin-without-hadoop-scala-2.12.tgz -> ${P}-scala212.tgz ) )
+"
+
+REQUIRED_USE="^^ ( scala211 scala212 )"
+
+LICENSE="Apache-2.0"
+SLOT="2"
+KEYWORDS="~amd64"
+
+IUSE="+scala211 scala212"
+
+RDEPEND="
+	>=virtual/jre-1.8"
+
+DEPEND="
+	>=virtual/jdk-1.8"
+
+DOCS=( LICENSE NOTICE README.md RELEASE )
+
+src_unpack() {
+	unpack ${A}
+	use scala211 && S="${WORKDIR}/spark-${PV}-bin-without-hadoop"
+	use scala212 && S="${WORKDIR}/spark-${PV}-bin-without-hadoop-scala-2.12"
+}
+
+# Nothing to compile here.
+src_compile() { :; }
+
+src_install() {
+	dodir usr/lib/spark-${SLOT}
+	into usr/lib/spark-${SLOT}
+
+	local SPARK_SCRIPTS=(
+		bin/beeline
+		bin/load-spark-env.sh
+		bin/pyspark
+		bin/spark-class
+		bin/spark-shell
+		bin/spark-sql
+		bin/spark-submit
+	)
+
+	local s
+	for s in "${SPARK_SCRIPTS[@]}"; do
+		ebegin "Setting SPARK_HOME to /usr/lib/spark-${SLOT} in $(basename ${s}) script ..."
+		sed -i -e "2iSPARK_HOME=/usr/lib/spark-${SLOT}" "${s}"
+		eend $?
+		dobin "${s}"
+	done
+
+	insinto usr/lib/spark-${SLOT}
+
+	local SPARK_DIRS=( conf jars python sbin yarn )
+
+	local d
+	for d in "${SPARK_DIRS[@]}"; do
+		doins -r "${d}"
+	done
+
+	einstalldocs
+}
+
+pkg_postinst() {
+	einfo
+	einfo "Spark is now slotted. You have installed Spark ${SLOT}."
+	einfo
+	einfo "Make sure to add /usr/lib/spark-${SLOT}/{bin,sbin} directories"
+	einfo "to your PATH in order to run Spark shell scripts:"
+	einfo
+	einfo "$ export PATH=\$PATH:/usr/lib/spark-${SLOT}/bin"
+	einfo "$ export PATH=\$PATH:/usr/lib/spark-${SLOT}/sbin"
+	einfo
+}