menu: add new Linux OS image for Debian Buster/Bullseye

Signed-off-by: Dongjin Kim <tobetter@gmail.com>

configs/bullseye-server.package

@@ -0,0 +1 @@
+buster-server.packages

configs/buster-server.packages

@@ -0,0 +1,5 @@
+sudo
+openssh-server
+fdisk
+parted
+neofetch

menu

@@ -64,12 +64,14 @@ do_menu_board() {
 }
 
 do_menu_distro() {
-    CHOICE=$(dialog --clear --title "Ubuntu distribution" \
+    CHOICE=$(dialog --clear --title "Ubuntu/Debian distribution" \
         --menu "X" 15 70 10 \
         "bionic" "Ubuntu Bionic (18.04)" \
         "disco" "Ubuntu Disco (19.04)" \
         "focal" "Ubuntu Focal (20.04)" \
         "groovy" "Ubuntu Groovy (20.10)" \
+        "buster" "Debian Buster" \
+        "bullseye" "Debian Bullseye" \
         2>&1 >/dev/tty)
 
     ret=$?
@@ -112,6 +114,20 @@ do_menu_default_user_passwd() {
         ${DEFAULT_PASSWD} 2>&1 >/dev/tty)
 }
 
+distro() {
+    case $1 in
+        bionic | disco | focal | groovy)
+            echo "ubuntu"
+            ;;
+        buster | bullseye)
+            echo "debian"
+            ;;
+        *)
+            echo "unknown"
+            ;;
+    esac
+}
+
 distro_version() {
     case $1 in
         bionic)
@@ -126,12 +142,18 @@ distro_version() {
         groovy)
             echo "20.10"
             ;;
+        buster)
+            echo "buster"
+            ;;
+        bullseye)
+            echo "bullseye"
+            ;;
     esac
 }
 
 do_menu() {
     while true; do
-        IMAGE_FILE=ubuntu-$(distro_version ${DISTRO})-${FLAVOUR}-${BOARD}-`date +%Y%m%d`
+        IMAGE_FILE=$(distro ${DISTRO})-$(distro_version ${DISTRO})-${FLAVOUR}-${BOARD}-`date +%Y%m%d`
         CHOICE=$(dialog --clear --backtitle "ODROID-STAMPER" \
                 --title "Custom Ubuntu Recipe" \
                 --extra-button --extra-label "Done" \