Create an /etc/nanobsd.conf in the built image and put the disk drive name there for scripts to use.
Create an /etc/nanobsd.conf in the built image and put the disk drive name
there for scripts to use.

Create a noauto fstab entry for the configuration partition (/cfg).

Add NANO_TOOLS env-var to point to the nanobsd sources relative to
NANO_SRC.

Add -h argument which prints a usage.

Add -b argument which skips build steps and goes directly to install steps.

Complain about extraneous arguments, it's usually a forgotten '-c'

Add convenience function to register customization function.

Add some sample customization functions:
	cust_comconsole
	cust_allow_ssh_root

Rename setup_diskless() to setup_nanobsd(), it makes more sense.

Add various comments etc.

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase