Added java-pkg-opt-2.eclass.

eclass/java-pkg-opt-2.eclass

@@ -0,0 +1,66 @@
+# Copyright 2004-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+# @ECLASS: java-pkg-opt-2.eclass
+# @MAINTAINER:
+# java@gentoo.org
+# @AUTHOR:
+# Thomas Matthijs <axxo@gentoo.org>
+# @SUPPORTED_EAPIS: 7 8
+# @PROVIDES: java-utils-2
+# @BLURB: Eclass for package with optional Java support
+# @DESCRIPTION:
+# Inherit this eclass instead of java-pkg-2 if you only need optional Java
+# support.
+
+case ${EAPI} in
+	7|8) ;;
+	*) die "${ECLASS}: EAPI ${EAPI:-0} not supported" ;;
+esac
+
+if [[ -z ${_JAVA_PKG_OPT_2_ECLASS} ]] ; then
+_JAVA_PKG_OPT_2_ECLASS=1
+
+inherit java-utils-2
+
+# @ECLASS_VARIABLE: JAVA_PKG_OPT_USE
+# @DESCRIPTION:
+# USE flag to control if optional Java stuff is build. Defaults to 'java'.
+JAVA_PKG_OPT_USE=${JAVA_PKG_OPT_USE:-java}
+
+DEPEND="${JAVA_PKG_OPT_USE}? ( ${JAVA_PKG_E_DEPEND} )"
+RDEPEND="${DEPEND}"
+
+# See java-pkg-2.eclass for JAVA_PKG_IUSE documentation
+IUSE="${JAVA_PKG_IUSE} ${JAVA_PKG_OPT_USE}"
+
+# @FUNCTION: java-pkg-opt-2_pkg_setup
+# @DESCRIPTION:
+# default pkg_setup, wrapper for java-utils-2_pkg_init
+
+java-pkg-opt-2_pkg_setup() {
+	use ${JAVA_PKG_OPT_USE} && java-pkg_init
+}
+
+
+# @FUNCTION: java-pkg-opt-2_src_prepare
+# @DESCRIPTION:
+# default src_prepare, wrapper for java-utils-2_src_prepare
+
+java-pkg-opt-2_src_prepare() {
+	use ${JAVA_PKG_OPT_USE} && java-utils-2_src_prepare
+	use ${JAVA_PKG_OPT_USE} || eapply_user
+}
+
+
+# @FUNCTION: java-pkg-opt-2_pkg_preinst
+# @DESCRIPTION:
+# default pkg_preinst, wrapper for java-utils-2_pkg_preinst
+
+java-pkg-opt-2_pkg_preinst() {
+	use ${JAVA_PKG_OPT_USE} && java-utils-2_pkg_preinst
+}
+
+fi
+
+EXPORT_FUNCTIONS pkg_setup src_prepare pkg_preinst