libmakepkg: only save the shellopts we need

micro-optimization: We only care about temporarily enforcing extglob, so
that is the only one we need to explicitly restore.

Signed-off-by: Eli Schwartz <eschwartz@archlinux.org>
Signed-off-by: Allan McRae <allan@archlinux.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/scripts/libmakepkg/util/util.sh.in b/scripts/libmakepkg/util/util.sh.in
index f9af5f32..726d2005 100644
--- a/scripts/libmakepkg/util/util.sh.in
+++ b/scripts/libmakepkg/util/util.sh.in
@@ -42,8 +42,8 @@ is_array() {
 	local v=$1
 	local ret=1
 
-	# this function requires extglob - save current options to restore later
-	local shellopts=$(shopt -p)
+	# this function requires extglob - save current status to restore later
+	local shellopts=$(shopt -p extglob)
 	shopt -s extglob
 
 	if [[ $(declare -p "$v") == declare\ -*([[:alnum:]])a*([[:alnum:]])\ * ]]; then