also clean up the main scripts

Signed-off-by: Leah Rowe <leah@libreboot.org>

lbmk

@@ -31,23 +31,15 @@ option=""
 
 main()
 {
-	if [ "${0##*/}" = "lbmk" ]; then
-		die "Do not run the lbmk script directly!"
-	elif [ $# -lt 1 ]; then
-		die "Too few arguments. Try: ${0} help"
-	fi
+	[ "${0##*/}" = "lbmk" ] && die "Don't run this script directly."
+	[ $# -lt 1 ] && die "Too few arguments. Try: ${0} help"
 
 	buildpath="./resources/scripts/${0##*/}"
 
 	mode="${1}"
 	./.gitcheck
-	if [ "${mode}" = help ]; then
-		usage $0
-		exit 0
-	elif [ $# -lt 2 ]; then
-		usage $0
-		exit 1
-	fi
+	[ "${mode}" = "help" ] && usage ${0} && exit 0
+	[ $# -lt 2 ] && usage ${0} && exit 1
 	if [ "${mode}" = "dependencies" ]; then
 		install_dependencies $@ || die "Could not install dependencies"
 		exit 0
@@ -61,8 +53,7 @@ main()
 	case "${option}" in
 	list)
 		printf "Options for mode '%s':\n\n" ${mode}
-		listoptions "${mode}"
-		;;
+		listoptions "${mode}" ;;
 	all)
 		for option in $(listoptions "${mode}"); do
 			"${buildpath}/${mode}/${option}" $@