#!/bin/bash
detect_release()
{
	if [ -f /etc/lsb-release ]; then
		(. /etc/lsb-release; echo $DISTRIB_RELEASE)
	elif [ -f /etc/os-release ]; then
		(. /etc/os-release; echo $VERSION_ID)
	elif [ -f /etc/debian_version ]; then
		cat /etc/debian_version
	else
		# Generic fallback
		uname -r
	fi
}

# Aufruf:
detect_release