Update

files/services/S55klipper_service

@@ -1,54 +1,52 @@
 #!/bin/sh
 #
-# Starts klipper service.
+# Klipper Service
 #
 
-USER_DATA=/usr/data
-PROG=/usr/share/klippy-env/bin/python
-PY_SCRIPT=/usr/share/klipper/klippy/klippy.py
-PRINTER_DATA_DIR=$USER_DATA/printer_data
-PRINTER_CONFIG_DIR=$PRINTER_DATA_DIR/config
-PRINTER_LOGS_DIR=$PRINTER_DATA_DIR/logs
-PID_FILE=/var/run/klippy.pid
+USER_DATA="/usr/data"
+PROG="/usr/share/klippy-env/bin/python"
+PY_SCRIPT="/usr/share/klipper/klippy/klippy.py"
+PRINTER_DATA_DIR="$USER_DATA/printer_data"
+PRINTER_CONFIG_DIR="$PRINTER_DATA_DIR/config"
+PRINTER_LOGS_DIR="$PRINTER_DATA_DIR/logs"
+PID_FILE="/var/run/klippy.pid"
 
 mcu_reset()
 {
-    [ -z $(pidof klipper_mcu) ] || /etc/init.d/S57klipper_mcu restart
+  [ -z "$(pidof klipper_mcu)" ] || /etc/init.d/S57klipper_mcu restart
 }
 
 start() {
-
-        mcu_reset
-
-        HOME=/root start-stop-daemon -S -q -b -m -p $PID_FILE \
-                --exec $PROG -- $PY_SCRIPT \
-                $PRINTER_CONFIG_DIR/printer.cfg \
-                -l $PRINTER_LOGS_DIR/klippy.log \
-                -a /tmp/klippy_uds
+  mcu_reset
+  HOME="/root" start-stop-daemon -S -q -b -m -p "$PID_FILE" \
+    --exec "$PROG" -- "$PY_SCRIPT" \
+    "$PRINTER_CONFIG_DIR"/printer.cfg \
+    -l "$PRINTER_LOGS_DIR"/klippy.log \
+    -a "/tmp/klippy_uds"
 }
 
 stop() {
-        start-stop-daemon -K -q -p $PID_FILE
+  start-stop-daemon -K -q -p $PID_FILE
 }
 
 restart() {
-        stop
-        start
+  stop
+  start
 }
 
 case "$1" in
   start)
-        start
-        ;;
+    start
+    ;;
   stop)
-        stop
-        ;;
+    stop
+    ;;
   restart|reload)
-        restart
-        ;;
+    restart
+    ;;
   *)
-        echo "Usage: $0 {start|stop|restart}"
-        exit 1
+    echo "Usage: $0 {start|stop|restart}"
+    exit 1
 esac
 
 exit $?