Merge branch 'fix/pleroma-ctl-fix-shift-dash' into 'develop'

pleroma_ctl: fix crashes due to different shift(1) behavior on dash

See merge request pleroma/pleroma!1880

rel/files/bin/pleroma_ctl

@@ -140,12 +140,16 @@ else
 	FULL_ARGS="$*"
 
 	ACTION="$1"
+	if [ $# -gt 0 ]; then
 		shift
+	fi
 	echo "$1" | grep "^-" >/dev/null
 	if [ $? -eq 1 ]; then
 		SUBACTION="$1"
+		if [ $# -gt 0 ]; then
 			shift
 		fi
+	fi
 
 	if [ "$ACTION" = "update" ]; then
 		update "$@"