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/pkgbuild.sh.in b/scripts/libmakepkg/util/pkgbuild.sh.in
index 2db46f1f..632f314d 100644
--- a/scripts/libmakepkg/util/pkgbuild.sh.in
+++ b/scripts/libmakepkg/util/pkgbuild.sh.in
@@ -80,8 +80,8 @@ extract_function_variable() {
 		printf -v attr_regex '^[[:space:]]* %s\+?=[^(]' "$2"
 	fi
 
-	# save our shell options and turn on extglob
-	local shellopts=$(shopt -p)
+	# this function requires extglob - save current status to restore later
+	local shellopts=$(shopt -p extglob)
 	shopt -s extglob
 
 	while read -r; do