Fedora 30 support

public/detect_linux.sh

@@ -18,7 +18,10 @@ if [ -f /etc/centos-release ]; then
   fi
 elif [ -f /etc/fedora-release ]; then
   . /etc/os-release
-  if [ "$VERSION_ID" == "29" ]; then
+  if [ "$VERSION_ID" == "30" ]; then
+    DISTNAME=fedora
+    DISTVER=30
+  elif [ "$VERSION_ID" == "29" ]; then
     DISTNAME=fedora
     DISTVER=29
   elif [ "$VERSION_ID" == "28" ]; then