xdg.eclass: remove EAPI 5

Signed-off-by: David Seifert <[email protected]>

eclass/xdg.eclass

@@ -1,61 +1,59 @@
-# Copyright 1999-2021 Gentoo Authors
+# Copyright 1999-2023 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 # @ECLASS: xdg.eclass
 # @MAINTAINER:
 # [email protected]
 # @AUTHOR:
 # Original author: Gilles Dartiguelongue <[email protected]>
-# @SUPPORTED_EAPIS: 5 6 7 8
+# @SUPPORTED_EAPIS: 6 7 8
 # @PROVIDES: xdg-utils
 # @BLURB: Provides phases for XDG compliant packages.
 # @DESCRIPTION:
 # Utility eclass to update the desktop, icon and shared mime info as laid
 # out in the freedesktop specs & implementations
 
-inherit xdg-utils
-
-_DEFINE_XDG_SRC_PREPARE=false
-case "${EAPI}" in
-	5|6|7)
-		# src_prepare is only exported in EAPI < 8.
-		EXPORT_FUNCTIONS src_prepare
-		_DEFINE_XDG_SRC_PREPARE=true
-		;;
-	8)
-		;;
-	*) die "${ECLASS}: EAPI=${EAPI} is not supported" ;;
+case ${EAPI} in
+	6|7|8) ;;
+	*) die "${ECLASS}: EAPI ${EAPI:-0} not supported" ;;
 esac
-EXPORT_FUNCTIONS pkg_preinst pkg_postinst pkg_postrm
+
+if [[ -z ${_XDG_ECLASS} ]]; then
+_XDG_ECLASS=1
+
+inherit xdg-utils
 
 # Avoid dependency loop as both depend on glib-2
-if [[ ${CATEGORY}/${P} != dev-libs/glib-2.* ]] ; then
-_XDG_DEPEND="
+[[ ${CATEGORY}/${P} != dev-libs/glib-2.* ]] && _XDG_DEPEND="
 	dev-util/desktop-file-utils
 	x11-misc/shared-mime-info
 "
 
-case "${EAPI}" in
-	5|6|7)
+case ${EAPI} in
+	6|7)
+		# src_prepare is only exported in EAPI < 8.
+		# @FUNCTION: xdg_src_prepare
+		# @DESCRIPTION:
+		# Prepare sources to work with XDG standards.
+		# Note that this function is only defined and exported in EAPIs < 8.
+		xdg_src_prepare() {
+			xdg_environment_reset
+			default
+		}
+
+		EXPORT_FUNCTIONS src_prepare
+
 		DEPEND="${_XDG_DEPEND}"
 		;;
 	*)
+		xdg_src_prepare() {
+			die "Called xdg_src_prepare in EAPI >= 8"
+		}
+
 		IDEPEND="${_XDG_DEPEND}"
 		;;
 esac
-fi
-
-if ${_DEFINE_XDG_SRC_PREPARE}; then
-# @FUNCTION: xdg_src_prepare
-# @DESCRIPTION:
-# Prepare sources to work with XDG standards.
-# Note that this function is only defined and exported in EAPIs < 8.
-xdg_src_prepare() {
-	xdg_environment_reset
-
-	[[ ${EAPI} != 5 ]] && default
-}
-fi
+unset _XDG_DEPEND
 
 # @FUNCTION: xdg_pkg_preinst
 # @DESCRIPTION:
@@ -127,3 +125,6 @@ xdg_pkg_postrm() {
 	fi
 }
 
+fi
+
+EXPORT_FUNCTIONS pkg_preinst pkg_postinst pkg_postrm