vm-setup now generates a valid MAC address

vm-start: fixed fullscreen variable check

vm-setup

@@ -66,6 +66,7 @@ sed -i 's@\(Machine.*name="\)\([^"]*\)\("\)@\1'"`echo "${VM_NAME}"`"'\3@g' "${VM
 sed -i 's@\(Machine.*snapshotFolder="\)\([^"]*\)\("\)@\1'"`echo "${TMP_DIR}"`"'\3@g' "${VM_DIR}/${VM_NAME}.vbox"
 sed -i 's@\(SharedFolder.*name="'"`echo "${SF_LINUX_NAME}"`"'".*hostPath="\)\([^"]*\)\("\)@\1'"`echo "${SF_LINUX_TARGET}"`"'\3@g' "${VM_DIR}/${VM_NAME}.vbox"
 sed -i 's@\(SharedFolder.*name="'"`echo "${SF_MEDIA_NAME}"`"'".*hostPath="\)\([^"]*\)\("\)@\1'"`echo "${SF_MEDIA_TARGET}"`"'\3@g' "${VM_DIR}/${VM_NAME}.vbox"
+sed -i 's@\(MACAddress="\)\([^"]*\)\("\)@\1'"`printf '080027%02X%02X%02X' $[RANDOM%256] $[RANDOM%256] $[RANDOM%256]`"'\3@g' "${VM_DIR}/${VM_NAME}.vbox"
 
 if [ "${DIFF_DISK_FILE}" != "" ]; then
 	sed -i 's@\(HardDisk.*location="\)\([^"]*diff_[^"]*\)\("\)@\1'"`echo "${TMP_DIR}/${DIFF_DISK_FILE}"`"'\3@g' "${VM_DIR}/${VM_NAME}.vbox"

vm-start

@@ -42,7 +42,7 @@ eval set -- "$OPTS"
 while true ; do
     case "$1" in
         -f|--fullscreen) FULLSCREEN="1" ; shift ;;
-        -g|--gui) FULLSCREEN="" ; shift ;;
+        -g|--gui) FULLSCREEN="0" ; shift ;;
         -r|--no-run) NO_RUN="1" ; shift ;;
         -i|--no-init) NO_INIT="1"; shift ;;
         --) shift ; break ;;
@@ -119,7 +119,7 @@ vm_start_init () {
 
 vm_start_run() {
     # --fullscreen?
-    if [ "${FULLSCREEN}" != "" ]; then
+    if [ "${FULLSCREEN}" == "1" ]; then
         # VBoxManage has no option for fullscreen mode, use VBoxSDL (no menu available in fullscreen)
         VBoxSDL --startvm "${VM_NAME}" --fullscreen &
         # options below could be useful in setting the fullscreen resolution, when known
@@ -137,7 +137,6 @@ if [ $DEBUG -eq 1 ]; then
     echo "fullscreen = $FULLSCREEN"
     echo "no-init = $NO_INIT"
     echo "no-run = $NO_RUN"
-    exit 1
 fi
 
 # check if vm exists