From b2132686b0be71e5c57eb1214bb7f125b936f9c1 Mon Sep 17 00:00:00 2001
From: Krzesimir Nowak <knowak@microsoft.com>
Date: Tue, 30 Jan 2024 14:38:21 +0100
Subject: [PATCH] eclass/lua-utils: Sync with Gentoo

It's from Gentoo commit 2cba2db27919bc449ed2a7bf7ed3259c6b96e65f.
---
 .../portage-stable/eclass/lua-utils.eclass    | 21 +++++++++----------
 1 file changed, 10 insertions(+), 11 deletions(-)

diff --git a/sdk_container/src/third_party/portage-stable/eclass/lua-utils.eclass b/sdk_container/src/third_party/portage-stable/eclass/lua-utils.eclass
index 3b24f383d7..0ff36734dc 100644
--- a/sdk_container/src/third_party/portage-stable/eclass/lua-utils.eclass
+++ b/sdk_container/src/third_party/portage-stable/eclass/lua-utils.eclass
@@ -1,4 +1,4 @@
-# Copyright 1999-2021 Gentoo Authors
+# Copyright 1999-2023 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 # @ECLASS: lua-utils.eclass
@@ -18,16 +18,16 @@
 # functions. It can be inherited safely.
 
 case ${EAPI} in
-	7|8)
-		;;
+	7|8) ;;
 	*) die "${ECLASS}: EAPI ${EAPI:-0} not supported" ;;
 esac
 
-if [[ ! ${_LUA_UTILS_R0} ]]; then
+if [[ -z ${_LUA_UTILS_ECLASS} ]]; then
+_LUA_UTILS_ECLASS=1
 
 inherit toolchain-funcs
 
-# @ECLASS-VARIABLE: _LUA_ALL_IMPLS
+# @ECLASS_VARIABLE: _LUA_ALL_IMPLS
 # @INTERNAL
 # @DESCRIPTION:
 # All supported Lua implementations, most preferred last
@@ -39,7 +39,7 @@ _LUA_ALL_IMPLS=(
 )
 readonly _LUA_ALL_IMPLS
 
-# @ECLASS-VARIABLE: _LUA_HISTORICAL_IMPLS
+# @ECLASS_VARIABLE: _LUA_HISTORICAL_IMPLS
 # @INTERNAL
 # @DESCRIPTION:
 # All historical Lua implementations that are no longer supported.
@@ -171,7 +171,7 @@ _lua_wrapper_setup() {
 	export PATH PKG_CONFIG_PATH
 }
 
-# @ECLASS-VARIABLE: ELUA
+# @ECLASS_VARIABLE: ELUA
 # @DEFAULT_UNSET
 # @DESCRIPTION:
 # The executable name of the current Lua interpreter. This variable is set
@@ -182,7 +182,7 @@ _lua_wrapper_setup() {
 # lua5.1
 # @CODE
 
-# @ECLASS-VARIABLE: LUA
+# @ECLASS_VARIABLE: LUA
 # @DEFAULT_UNSET
 # @DESCRIPTION:
 # The absolute path to the current Lua interpreter. This variable is set
@@ -384,7 +384,7 @@ lua_enable_tests() {
 		busted)
 			test_directory="${2:-spec}"
 			test_pkg="dev-lua/busted"
-			if [[ ! ${_LUA_SINGLE_R0} ]]; then
+			if [[ ! ${_LUA_SINGLE_ECLASS} ]]; then
 				eval "lua_src_test() {
 					busted --lua=\"\${ELUA}\" --output=\"plainTerminal\" \"${test_directory}\" || die \"Tests fail with \${ELUA}\"
 				}"
@@ -403,7 +403,7 @@ lua_enable_tests() {
 
 	local test_deps=${RDEPEND}
 	if [[ -n ${test_pkg} ]]; then
-		if [[ ! ${_LUA_SINGLE_R0} ]]; then
+		if [[ ! ${_LUA_SINGLE_ECLASS} ]]; then
 			test_deps+=" ${test_pkg}[${LUA_USEDEP}]"
 		else
 			test_deps+=" $(lua_gen_cond_dep "
@@ -536,5 +536,4 @@ lua_get_version() {
 	echo "${LUA_VERSION}"
 }
 
-_LUA_UTILS_R0=1
 fi