arch_get_kernel_flavour () { echo amd64 } arch_check_usable_kernel () { case "$1" in *-dbg) return 1 ;; *-amd64 | *-amd64-*) # Allow any other hyphenated suffix return 0 ;; *) return 1 ;; esac } arch_get_kernel () { echo "linux-image-amd64" }