[gentoo-dev] [PATCH 5/5] python-any-r1.eclass: Use reverse iter instead of reversing impls array

["Michał Górny" <mgorny@gentoo.org>]

---
 eclass/python-any-r1.eclass | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/eclass/python-any-r1.eclass b/eclass/python-any-r1.eclass
index 99aac73..c6dfc9c 100644
--- a/eclass/python-any-r1.eclass
+++ b/eclass/python-any-r1.eclass
@@ -313,13 +313,9 @@ python_setup() {
 	done
 
 	# fallback to best installed impl.
-	local rev_impls=()
-	for i in "${_PYTHON_SUPPORTED_IMPLS[@]}"; do
-		rev_impls=( "${i}" "${rev_impls[@]}" )
-	done
-
-	for i in "${rev_impls[@]}"; do
-		python_export "${i}" EPYTHON PYTHON
+	# (reverse iteration over _PYTHON_SUPPORTED_IMPLS)
+	for (( i = ${#_PYTHON_SUPPORTED_IMPLS[@]} - 1; i >= 0; i-- )); do
+		python_export "${_PYTHON_SUPPORTED_IMPLS[i]}" EPYTHON PYTHON
 		if _python_EPYTHON_supported "${EPYTHON}"; then
 			python_wrapper_setup
 			return
-- 
2.6.4