nixpkgs/nixos/modules/installer/cd-dvd/installation-cd-base.nix
Jan Malakhovski 119c8f91e7 nixos: introduce system.nixosLabel option and use it where appropriate
Setting nixosVersion to something custom is useful for meaningful GRUB
menus and /nix/store paths, but actuallly changing it rebulids the
whole system path (because of `nixos-version` script and manual
pages). Also, changing it is not a particularly good idea because you
can then be differentitated from other NixOS users by a lot of
programs that read /etc/os-release.

This patch introduces an alternative option that does all you want
from nixosVersion, but rebuilds only the very top system level and
/etc while using your label in the names of system /nix/store paths,
GRUB and other boot loaders' menus, getty greetings and so on.
2016-01-08 22:26:15 +00:00

34 lines
801 B
Nix

# This module contains the basic configuration for building a NixOS
# installation CD.
{ config, lib, pkgs, ... }:
with lib;
{
imports =
[ ./iso-image.nix
# Profiles of this basic installation CD.
../../profiles/all-hardware.nix
../../profiles/base.nix
../../profiles/installation-device.nix
];
# ISO naming.
isoImage.isoName = "${config.isoImage.isoBaseName}-${config.system.nixosLabel}-${pkgs.stdenv.system}.iso";
isoImage.volumeID = substring 0 11 "NIXOS_ISO";
# EFI booting
isoImage.makeEfiBootable = true;
# USB booting
isoImage.makeUsbBootable = true;
# Add Memtest86+ to the CD.
boot.loader.grub.memtest86.enable = true;
# Allow the user to log in as root without a password.
users.extraUsers.root.initialHashedPassword = "";
}