gui-libs/display-manager-init: Load functions.sh from libexec.

Closes: https://bugs.gentoo.org/950508
Signed-off-by: Anna (navi) Figueiredo Gomes <navi@vlhl.dev>
Closes: https://github.com/gentoo/gentoo/pull/40875
Signed-off-by: Sam James <sam@gentoo.org>

gui-libs/display-manager-init/display-manager-init-1.1.2-r1.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2023 Gentoo Authors
+# Copyright 1999-2025 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7

gui-libs/display-manager-init/files/startDM-r1

@@ -12,9 +12,18 @@
 # Bail out early if on a non-OpenRC system:
 if [ ! -d /run/openrc ]; then
 	eerror "$0 should only be used on OpenRC systems"
+	exit 1
 fi
 
-. /lib/rc/sh/functions.sh
+# rc_libexec moved in >=openrc-0.56
+if [ -e /lib/rc/sh/functions.sh ]; then
+	. /lib/rc/sh/functions.sh
+elif [ -e /usr/libexec/rc/sh/functions.sh ]; then
+	. /usr/libexec/rc/sh/functions.sh
+else
+	eerror "Unable to find rc/sh/functions.sh"
+	exit 1
+fi
 
 export RC_SVCNAME=display-manager
 EXEC="$(get_options service)"