update pulse installer

inc/deploy-pulse-lxc.sh

@@ -152,18 +152,29 @@ TAPM_PULSE_FAIL() {
 	return 1
 }
 
+TAPM_PULSE_SET_BRIDGE_FROM_SELECTION() {
+	local variable="$1"
+	local selection="${2:-}"
+	local selected_bridge
+
+	[[ "$selection" == bridge:* ]] || return 1
+	selected_bridge="${selection#bridge:}"
+	[[ -n "$selected_bridge" ]] || return 1
+	printf -v "$variable" '%s' "$selected_bridge"
+}
+
 TAPM_PULSE_SELECT_BRIDGE() {
 	local variable="$1"
-	local bridge default_bridge="${2:-vmbr0}"
+	local bridge_name default_bridge="${2:-vmbr0}"
 	local default_found=0
 	local -a bridges=()
 	local -a labels=()
 	local -a values=()
 
-	while IFS= read -r bridge; do
-		[[ -n "$bridge" ]] || continue
-		bridges+=("$bridge")
-		[[ "$bridge" == "$default_bridge" ]] && default_found=1
+	while IFS= read -r bridge_name; do
+		[[ -n "$bridge_name" ]] || continue
+		bridges+=("$bridge_name")
+		[[ "$bridge_name" == "$default_bridge" ]] && default_found=1
 	done < <(
 		{
 			for bridge_path in /sys/class/net/*/bridge; do
@@ -182,15 +193,15 @@ TAPM_PULSE_SELECT_BRIDGE() {
 		labels+=("${default_bridge} — default")
 		values+=("bridge:${default_bridge}")
 	fi
-	for bridge in "${bridges[@]}"; do
-		[[ $default_found == 1 && "$bridge" == "$default_bridge" ]] && continue
-		labels+=("$bridge")
-		values+=("bridge:${bridge}")
+	for bridge_name in "${bridges[@]}"; do
+		[[ $default_found == 1 && "$bridge_name" == "$default_bridge" ]] && continue
+		labels+=("$bridge_name")
+		values+=("bridge:${bridge_name}")
 	done
 
 	SELECT_MENU "Pulse network bridge" labels values
 	case "$MENU_SELECTION" in
-		bridge:*) printf -v "$variable" '%s' "${MENU_SELECTION#bridge:}";;
+		bridge:*) TAPM_PULSE_SET_BRIDGE_FROM_SELECTION "$variable" "$MENU_SELECTION";;
 		quit) EXIT1; exit 0;;
 		*) return 1;;
 	esac