all NN-XXXXX scripts in this directory will be sourced
by ../build-list.sh

output must be gen_init_cpio compatible list of cpio-elements

example:
# A simple initramfs
dir /dev 0755 0 0
nod /dev/console 0600 0 0 c 5 1
dir /root 0700 0 0
dir /sbin 0755 0 0
file /sbin/kinit /usr/src/klibc/kinit/kinit 0755 0 0