check_sensors.sh: fix some shellcheck warnings SC2086

plugins-scripts/check_sensors.sh

@@ -1,60 +1,60 @@
 #!/bin/sh
 
-PROGNAME=$(basename $0)
-PROGPATH=$(echo $0 | sed -e 's,[\\/][^\\/][^\\/]*$,,')
+PROGNAME=$(basename "$0")
+PROGPATH=$(echo "$0" | sed -e 's,[\\/][^\\/][^\\/]*$,,')
 REVISION="@NP_VERSION@"
 PATH="@TRUSTED_PATH@"
 
 export PATH
 
-. $PROGPATH/utils.sh
+. "$PROGPATH"/utils.sh
 
 print_usage() {
 	echo "Usage: $PROGNAME" [--ignore-fault]
 }
 
 print_help() {
-	print_revision $PROGNAME $REVISION
+	print_revision "$PROGNAME" "$REVISION"
 	echo ""
 	print_usage
 	echo ""
 	echo "This plugin checks hardware status using the lm_sensors package."
 	echo ""
 	support
-	exit $STATE_OK
+	exit "$STATE_OK"
 }
 
 case "$1" in
 	--help)
 		print_help
-		exit $STATE_OK
+		exit "$STATE_OK"
 		;;
 	-h)
 		print_help
-		exit $STATE_OK
+		exit "$STATE_OK"
 		;;
 	--version)
-		print_revision $PROGNAME $REVISION
-		exit $STATE_OK
+		print_revision "$PROGNAME" $REVISION
+		exit "$STATE_OK"
 		;;
 	-V)
-		print_revision $PROGNAME $REVISION
-		exit $STATE_OK
+		print_revision "$PROGNAME" $REVISION
+		exit "$STATE_OK"
 		;;
 	*)
 		sensordata=$(sensors 2>&1)
 		status=$?
-		if test ${status} -eq 127; then
+		if [ "$status" == 127 ] ; then
 			text="SENSORS UNKNOWN - command not found (did you install lmsensors?)"
 			exit=$STATE_UNKNOWN
-		elif test ${status} -ne 0; then
+		elif [ "$status" != 0 ] ; then
 			text="WARNING - sensors returned state $status"
 			exit=$STATE_WARNING
-		elif echo ${sensordata} | egrep ALARM > /dev/null; then
+		elif [ "$(echo "${sensordata}" | egrep ALARM > /dev/null)" ] ; then
 			text="SENSOR CRITICAL - Sensor alarm detected!"
 			exit=$STATE_CRITICAL
-		elif echo ${sensordata} | egrep FAULT > /dev/null \
-		    && test "$1" != "-i" -a "$1" != "--ignore-fault"; then
+		elif [ \( "$(echo "${sensordata}" | egrep FAULT  > /dev/null)" \) -a\
+			\( "$(test "$1")" != "-i" -a "$1" != "--ignore-fault" \) ] ; then
 			text="SENSOR UNKNOWN - Sensor reported fault"
 			exit=$STATE_UNKNOWN
 		else
@@ -64,8 +64,8 @@ case "$1" in
 
 		echo "$text"
 		if test "$1" = "-v" -o "$1" = "--verbose"; then
-			echo ${sensordata}
+			echo "${sensordata}"
 		fi
-		exit $exit
+		exit "$exit"
 		;;
 esac