Update build-rootfs.sh

Author: Raul Hidalgo Caballero

cross/build-rootfs.sh

@@ -4,7 +4,7 @@ usage()
 {
     echo "Usage: $0 [BuildArch] [LinuxCodeName] [lldbx.y] [--skipunmount]"
     echo "BuildArch can be: arm(default), armel, arm64, x86"
-    echo "LinuxCodeName - optional, Code name for Linux, can be: trusty(default), vivid, wily, xenial, zesty. If BuildArch is armel, LinuxCodeName is jessie(default) or tizen."
+    echo "LinuxCodeName - optional, Code name for Linux, can be: trusty(default), vivid, wily, xenial, zesty, bionic. If BuildArch is armel, LinuxCodeName is jessie(default) or tizen."
     echo "lldbx.y - optional, LLDB version, can be: lldb3.6(default), lldb3.8, lldb3.9, lldb4.0, no-lldb"
     echo "--skipunmount - optional, will skip the unmount of rootfs folder."
     exit 1
@@ -99,6 +99,11 @@ for i in "$@" ; do
                 __LinuxCodeName=zesty
             fi
             ;;
+        bionic)
+            if [ "$__LinuxCodeName" != "jessie" ]; then
+                __LinuxCodeName=bionic
+            fi
+            ;;
         jessie)
             __LinuxCodeName=jessie
             __UbuntuRepo="http://ftp.debian.org/debian/"