From: Michał Górny <mgorny@gentoo.org>
Date: Sat, 12 Dec 2015 22:28:16 +0000 (+0100)
Subject: python-any-r1.eclass: Use reverse iter instead of reversing impls array
X-Git-Url: http://git.tremily.us/gitweb.cgi?a=commitdiff_plain;h=67ea3f75ef3e92cba1f33e1df36d6e53211251f0;p=gentoo.git

python-any-r1.eclass: Use reverse iter instead of reversing impls array
---

diff --git a/eclass/python-any-r1.eclass b/eclass/python-any-r1.eclass
index 99aac739b302..c6dfc9c7aecb 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