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|
# This module generates nixos-install, nixos-rebuild,
# nixos-generate-config, etc.
{ config, lib, pkgs, ... }:
with lib;
let
makeProg = args: pkgs.substituteAll (args // {
dir = "bin";
isExecutable = true;
});
nixos-build-vms = makeProg {
name = "nixos-build-vms";
src = ./nixos-build-vms/nixos-build-vms.sh;
inherit (pkgs) runtimeShell;
};
nixos-install = makeProg {
name = "nixos-install";
src = ./nixos-install.sh;
inherit (pkgs) runtimeShell;
nix = config.nix.package.out;
path = makeBinPath [
pkgs.jq
nixos-enter
];
};
nixos-rebuild = pkgs.nixos-rebuild.override { nix = config.nix.package.out; };
nixos-generate-config = makeProg {
name = "nixos-generate-config";
src = ./nixos-generate-config.pl;
perl = "${pkgs.perl.withPackages (p: [ p.FileSlurp ])}/bin/perl";
detectvirt = "${pkgs.systemd}/bin/systemd-detect-virt";
btrfs = "${pkgs.btrfs-progs}/bin/btrfs";
inherit (config.system.nixos-generate-config) configuration desktopConfiguration;
xserverEnabled = config.services.xserver.enable;
};
nixos-option =
if lib.versionAtLeast (lib.getVersion config.nix.package) "2.4pre"
then null
else pkgs.nixos-option;
nixos-version = makeProg {
name = "nixos-version";
src = ./nixos-version.sh;
inherit (pkgs) runtimeShell;
inherit (config.system.nixos) version codeName revision;
inherit (config.system) configurationRevision;
json = builtins.toJSON ({
nixosVersion = config.system.nixos.version;
} // optionalAttrs (config.system.nixos.revision != null) {
nixpkgsRevision = config.system.nixos.revision;
} // optionalAttrs (config.system.configurationRevision != null) {
configurationRevision = config.system.configurationRevision;
});
};
nixos-enter = makeProg {
name = "nixos-enter";
src = ./nixos-enter.sh;
inherit (pkgs) runtimeShell;
};
in
{
options.system.nixos-generate-config = {
configuration = mkOption {
internal = true;
type = types.str;
description = ''
The NixOS module that <literal>nixos-generate-config</literal>
saves to <literal>/etc/nixos/configuration.nix</literal>.
This is an internal option. No backward compatibility is guaranteed.
Use at your own risk!
Note that this string gets spliced into a Perl script. The perl
variable <literal>$bootLoaderConfig</literal> can be used to
splice in the boot loader configuration.
'';
};
desktopConfiguration = mkOption {
internal = true;
type = types.listOf types.lines;
default = [];
description = ''
Text to preseed the desktop configuration that <literal>nixos-generate-config</literal>
saves to <literal>/etc/nixos/configuration.nix</literal>.
This is an internal option. No backward compatibility is guaranteed.
Use at your own risk!
Note that this string gets spliced into a Perl script. The perl
variable <literal>$bootLoaderConfig</literal> can be used to
splice in the boot loader configuration.
'';
};
};
options.system.disableInstallerTools = mkOption {
internal = true;
type = types.bool;
default = false;
description = ''
Disable nixos-rebuild, nixos-generate-config, nixos-installer
and other NixOS tools. This is useful to shrink embedded,
read-only systems which are not expected to be rebuild or
reconfigure themselves. Use at your own risk!
'';
};
config = lib.mkIf (!config.system.disableInstallerTools) {
system.nixos-generate-config.configuration = mkDefault ''
# Edit this configuration file to define what should be installed on
# your system. Help is available in the configuration.nix(5) man page
# and in the NixOS manual (accessible by running ‘nixos-help’).
{ config, pkgs, ... }:
{
imports =
[ # Include the results of the hardware scan.
./hardware-configuration.nix
];
$bootLoaderConfig
# networking.hostName = "nixos"; # Define your hostname.
# Pick only one of the below networking options.
# networking.wireless.enable = true; # Enables wireless support via wpa_supplicant.
# networking.networkmanager.enable = true; # Easiest to use and most distros use this by default.
# Set your time zone.
# time.timeZone = "Europe/Amsterdam";
# Configure network proxy if necessary
# networking.proxy.default = "http://user:password\@proxy:port/";
# networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
# Select internationalisation properties.
# i18n.defaultLocale = "en_US.UTF-8";
# console = {
# font = "Lat2-Terminus16";
# keyMap = "us";
# useXkbConfig = true; # use xkbOptions in tty.
# };
$xserverConfig
$desktopConfiguration
# Configure keymap in X11
# services.xserver.layout = "us";
# services.xserver.xkbOptions = {
# "eurosign:e";
# "caps:escape" # map caps to escape.
# };
# Enable CUPS to print documents.
# services.printing.enable = true;
# Enable sound.
# sound.enable = true;
# hardware.pulseaudio.enable = true;
# Enable touchpad support (enabled default in most desktopManager).
# services.xserver.libinput.enable = true;
# Define a user account. Don't forget to set a password with ‘passwd’.
# users.users.jane = {
# isNormalUser = true;
# extraGroups = [ "wheel" ]; # Enable ‘sudo’ for the user.
# };
# List packages installed in system profile. To search, run:
# \$ nix search wget
# environment.systemPackages = with pkgs; [
# vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
# wget
# firefox
# ];
# Some programs need SUID wrappers, can be configured further or are
# started in user sessions.
# programs.mtr.enable = true;
# programs.gnupg.agent = {
# enable = true;
# enableSSHSupport = true;
# };
# List services that you want to enable:
# Enable the OpenSSH daemon.
# services.openssh.enable = true;
# Open ports in the firewall.
# networking.firewall.allowedTCPPorts = [ ... ];
# networking.firewall.allowedUDPPorts = [ ... ];
# Or disable the firewall altogether.
# networking.firewall.enable = false;
# This value determines the NixOS release from which the default
# settings for stateful data, like file locations and database versions
# on your system were taken. It‘s perfectly fine and recommended to leave
# this value at the release version of the first install of this system.
# Before changing this value read the documentation for this option
# (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
system.stateVersion = "${config.system.nixos.release}"; # Did you read the comment?
}
'';
environment.systemPackages =
[ nixos-build-vms
nixos-install
nixos-rebuild
nixos-generate-config
nixos-version
nixos-enter
] ++ lib.optional (nixos-option != null) nixos-option;
system.build = {
inherit nixos-install nixos-generate-config nixos-option nixos-rebuild nixos-enter;
};
};
}
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