Auto detect Distro

install_vbox.sh

@@ -1,13 +1,49 @@
 #!/bin/bash
 
 VBOX_VERSION='7.1'
-DISTRO='noble'
 VBOX_PACKAGE="virtualbox-$VBOX_VERSION"
 FINGERPRINT_VBOX='B9F8 D658 297A F3EF C18D  5CDF A2F6 83C5 2980 AECF'
 VBOX_PUBKEY_LOCATION='/usr/share/keyrings/oracle-virtualbox-2016.gpg'
 VBOX_PUBKEY_LINK='https://www.virtualbox.org/download/oracle_vbox_2016.asc'
-SOURCE_LIST="deb [arch=amd64 signed-by=$VBOX_PUBKEY_LOCATION] https://download.virtualbox.org/virtualbox/debian $DISTRO contrib"
 
+if [ ! -f /etc/os-release ]; then
+    echo "[Error] /etc/os-release not found, cannot detect distro"
+    exit 1
+fi
+
+# shellcheck disable=SC1091
+. /etc/os-release
+
+IS_DEBIAN_LIKE=false
+
+case "$ID" in
+    debian|ubuntu) IS_DEBIAN_LIKE=true ;;
+esac
+
+if [ "$IS_DEBIAN_LIKE" = false ]; then
+    case " ${ID_LIKE:-} " in
+        *debian*|*ubuntu*) IS_DEBIAN_LIKE=true ;;
+    esac
+fi
+
+if [ "$IS_DEBIAN_LIKE" = false ]; then
+    echo "[Error] Detected distro '$PRETTY_NAME' is not Debian/Ubuntu based. Aborting."
+    exit 1
+fi
+
+# On derivatives (e.g. Linux Mint, LMDE) VERSION_CODENAME is the
+# distro's own codename and isn't recognized by the VirtualBox repo.
+# Prefer the upstream Ubuntu/Debian codename when the distro exposes one.
+DISTRO="${UBUNTU_CODENAME:-${DEBIAN_CODENAME:-$VERSION_CODENAME}}"
+
+echo "Detected distro: $PRETTY_NAME (ID=$ID, base codename=$DISTRO)"
+read -r -p "Is this correct? Continue with VirtualBox installation for '$DISTRO'? [y/N] " CONFIRM
+case "$CONFIRM" in
+    y|Y|yes|YES) ;;
+    *) echo "Aborted by user."; exit 1 ;;
+esac
+
+SOURCE_LIST="deb [arch=amd64 signed-by=$VBOX_PUBKEY_LOCATION] https://download.virtualbox.org/virtualbox/debian $DISTRO contrib"
 
 sudo apt update && sudo apt install -y wget gpg