BatteryService: add -q option to supress notifications

Bin/battery-manager/set-battery-treshold.sh

@@ -1,6 +1,7 @@
 #!/usr/bin/env bash
 
 SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+SUPPRESS_NOTIFICATIONS=false
 
 print_error() {
     echo -e "$1" >&2
@@ -15,25 +16,47 @@ send_notification() {
     local title="$2"
     local message="$3"
 
-    if command -v notify-send >/dev/null 2>&1; then
+    if [ "$SUPPRESS_NOTIFICATIONS" = false ] && command -v notify-send >/dev/null 2>&1; then
         notify-send -u "$urgency" "$title" "$message"
     fi
 }
 
-if [ "$#" -ne 1 ]; then
+while [[ $# -gt 0 ]]; do
+    case "$1" in
+        -q|--quiet)
+            SUPPRESS_NOTIFICATIONS=true
+            shift
+            ;;
+        -*)
+            print_error "Unknown option: $1"
+            echo "Usage: $0 [OPTIONS] <number>" >&2
+            echo "Options:" >&2
+            echo "  -q, --quiet    Suppress notifications" >&2
+            exit 1
+            ;;
+        *)
+            BATTERY_LEVEL="$1"
+            shift
+            ;;
+    esac
+done
+
+if [ -z "$BATTERY_LEVEL" ]; then
     print_error "Battery level not specified"
-    echo "Usage: $0 <number>" >&2
+    echo "Usage: $0 [OPTIONS] <number>" >&2
+    echo "Options:" >&2
+    echo "  -q, --quiet    Suppress notifications" >&2
     exit 1
 fi
 
-if ! [[ "$1" =~ ^[0-9]+$ ]] || [ "$1" -gt 100 ] || [ "$1" -lt 0 ]; then
+if ! [[ "$BATTERY_LEVEL" =~ ^[0-9]+$ ]] || [ "$BATTERY_LEVEL" -gt 100 ] || [ "$BATTERY_LEVEL" -lt 0 ]; then
     print_error "Battery level must be a number between 0-100"
-    echo "Usage: $0 <number>" >&2
+    echo "Usage: $0 [OPTIONS] <number>" >&2
+    echo "Options:" >&2
+    echo "  -q, --quiet    Suppress notifications" >&2
     exit 1
 fi
 
-BATTERY_LEVEL="$1"
-
 CURRENT_USER="$USER"
 if [ -z "$CURRENT_USER" ]; then
     CURRENT_USER="$(whoami)"