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>

6 files changed, 12 insertions, 12 deletions

diff --git a/scripts/libmakepkg/lint_pkgbuild/checkdepends.sh.in b/scripts/libmakepkg/lint_pkgbuild/checkdepends.sh.in
index fb289a67..d5648bd4 100644
--- a/scripts/libmakepkg/lint_pkgbuild/checkdepends.sh.in
+++ b/scripts/libmakepkg/lint_pkgbuild/checkdepends.sh.in
@@ -37,8 +37,8 @@ lint_checkdepends() {
 
 	get_pkgbuild_all_split_attributes checkdepends checkdepends_list
 
-	# 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
 
 	for checkdepend in "${checkdepends_list[@]}"; do
diff --git a/scripts/libmakepkg/lint_pkgbuild/conflicts.sh.in b/scripts/libmakepkg/lint_pkgbuild/conflicts.sh.in
index 8abad0b0..a18c25fa 100644
--- a/scripts/libmakepkg/lint_pkgbuild/conflicts.sh.in
+++ b/scripts/libmakepkg/lint_pkgbuild/conflicts.sh.in
@@ -37,8 +37,8 @@ lint_conflicts() {
 
 	get_pkgbuild_all_split_attributes conflicts conflicts_list
 
-	# 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
 
 	for conflict in "${conflicts_list[@]}"; do
diff --git a/scripts/libmakepkg/lint_pkgbuild/depends.sh.in b/scripts/libmakepkg/lint_pkgbuild/depends.sh.in
index d90a15f8..40cdc65a 100644
--- a/scripts/libmakepkg/lint_pkgbuild/depends.sh.in
+++ b/scripts/libmakepkg/lint_pkgbuild/depends.sh.in
@@ -37,8 +37,8 @@ lint_depends() {
 
 	get_pkgbuild_all_split_attributes depends depends_list
 
-	# 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
 
 	for depend in "${depends_list[@]}"; do
diff --git a/scripts/libmakepkg/lint_pkgbuild/makedepends.sh.in b/scripts/libmakepkg/lint_pkgbuild/makedepends.sh.in
index 55ca4e28..4cc4ab5d 100644
--- a/scripts/libmakepkg/lint_pkgbuild/makedepends.sh.in
+++ b/scripts/libmakepkg/lint_pkgbuild/makedepends.sh.in
@@ -37,8 +37,8 @@ lint_makedepends() {
 
 	get_pkgbuild_all_split_attributes makedepends makedepends_list
 
-	# 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
 
 	for makedepend in "${makedepends_list[@]}"; do
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
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