distr_info: cleanup normalize_name

bin/distr_info

@@ -110,7 +110,7 @@ case $DISTRIB_ID in
 	ArchLinux)
 		CMD="pacman"
 		;;
-	Fedora|FedoraLinux|LinuxXP|ASPLinux|CentOS|OracleLinux|RockyLinux|AlmaLinux|RHEL|Scientific|GosLinux|Amzn|RedOS)
+	Fedora|CentOS|OracleLinux|RockyLinux|AlmaLinux|RHEL|Scientific|GosLinux|Amzn|RedOS)
 		CMD="dnf-rpm"
 		hascommand dnf || CMD=yum-rpm
 		[ "$DISTRIB_ID/$DISTRIB_RELEASE" = "CentOS/7" ] && CMD=yum-rpm
@@ -215,13 +215,21 @@ get_major_version()
 
 normalize_name()
 {
-	[ "$1" = "RED OS" ] && echo "RedOS" && return
-	[ "$1" = "CentOS Linux" ] && echo "CentOS" && return
-	[ "$1" = "Rocky Linux" ] && echo "RockyLinux" && return
-	[ "$1" = "Oracle Linux" ] && echo "OracleLinux" && return
-	[ "$1" = "Alma Linux" ] && echo "AlmaLinux" && return
-	#echo "${1// /}"
-	echo "$1" | sed -e "s/ //g"
+	case "$1" in
+		"RED OS")
+			echo "RedOS"
+			;;
+		"CentOS Linux")
+			echo "CentOS"
+			;;
+		"Fedora Linux")
+			echo "Fedora"
+			;;
+		*)
+			#echo "${1// /}"
+			echo "$1" | sed -e "s/ //g"
+			;;
+	esac
 }
 
 # Default values