pyrox.dev
1# This module generates nixos-install, nixos-rebuild,
2# nixos-generate-config, etc.
3
4{ config, lib, pkgs, ... }:
5
6with lib;
7
8let
9 makeProg = args: pkgs.substituteAll (args // {
10 dir = "bin";
11 isExecutable = true;
12 });
13
14 nixos-build-vms = makeProg {
15 name = "nixos-build-vms";
16 src = ./nixos-build-vms/nixos-build-vms.sh;
17 inherit (pkgs) runtimeShell;
18 };
19
20 nixos-install = makeProg {
21 name = "nixos-install";
22 src = ./nixos-install.sh;
23 inherit (pkgs) runtimeShell;
24 nix = config.nix.package.out;
25 path = makeBinPath [
26 pkgs.jq
27 nixos-enter
28 ];
29 };
30
31 nixos-rebuild = pkgs.nixos-rebuild.override { nix = config.nix.package.out; };
32
33 nixos-generate-config = makeProg {
34 name = "nixos-generate-config";
35 src = ./nixos-generate-config.pl;
36 perl = "${pkgs.perl.withPackages (p: [ p.FileSlurp ])}/bin/perl";
37 nixInstantiate = "${pkgs.nix}/bin/nix-instantiate";
38 detectvirt = "${config.systemd.package}/bin/systemd-detect-virt";
39 btrfs = "${pkgs.btrfs-progs}/bin/btrfs";
40 inherit (config.system.nixos-generate-config) configuration desktopConfiguration;
41 xserverEnabled = config.services.xserver.enable;
42 };
43
44 nixos-option =
45 if lib.versionAtLeast (lib.getVersion config.nix.package) "2.4pre"
46 then null
47 else pkgs.nixos-option;
48
49 nixos-version = makeProg {
50 name = "nixos-version";
51 src = ./nixos-version.sh;
52 inherit (pkgs) runtimeShell;
53 inherit (config.system.nixos) version codeName revision;
54 inherit (config.system) configurationRevision;
55 json = builtins.toJSON ({
56 nixosVersion = config.system.nixos.version;
57 } // optionalAttrs (config.system.nixos.revision != null) {
58 nixpkgsRevision = config.system.nixos.revision;
59 } // optionalAttrs (config.system.configurationRevision != null) {
60 configurationRevision = config.system.configurationRevision;
61 });
62 };
63
64 nixos-enter = makeProg {
65 name = "nixos-enter";
66 src = ./nixos-enter.sh;
67 inherit (pkgs) runtimeShell;
68 };
69
70in
71
72{
73
74 options.system.nixos-generate-config = {
75 configuration = mkOption {
76 internal = true;
77 type = types.str;
78 description = lib.mdDoc ''
79 The NixOS module that `nixos-generate-config`
80 saves to `/etc/nixos/configuration.nix`.
81
82 This is an internal option. No backward compatibility is guaranteed.
83 Use at your own risk!
84
85 Note that this string gets spliced into a Perl script. The perl
86 variable `$bootLoaderConfig` can be used to
87 splice in the boot loader configuration.
88 '';
89 };
90
91 desktopConfiguration = mkOption {
92 internal = true;
93 type = types.listOf types.lines;
94 default = [];
95 description = lib.mdDoc ''
96 Text to preseed the desktop configuration that `nixos-generate-config`
97 saves to `/etc/nixos/configuration.nix`.
98
99 This is an internal option. No backward compatibility is guaranteed.
100 Use at your own risk!
101
102 Note that this string gets spliced into a Perl script. The perl
103 variable `$bootLoaderConfig` can be used to
104 splice in the boot loader configuration.
105 '';
106 };
107 };
108
109 options.system.disableInstallerTools = mkOption {
110 internal = true;
111 type = types.bool;
112 default = false;
113 description = lib.mdDoc ''
114 Disable nixos-rebuild, nixos-generate-config, nixos-installer
115 and other NixOS tools. This is useful to shrink embedded,
116 read-only systems which are not expected to be rebuild or
117 reconfigure themselves. Use at your own risk!
118 '';
119 };
120
121 config = lib.mkIf (config.nix.enable && !config.system.disableInstallerTools) {
122
123 system.nixos-generate-config.configuration = mkDefault ''
124 # Edit this configuration file to define what should be installed on
125 # your system. Help is available in the configuration.nix(5) man page
126 # and in the NixOS manual (accessible by running ‘nixos-help’).
127
128 { config, pkgs, ... }:
129
130 {
131 imports =
132 [ # Include the results of the hardware scan.
133 ./hardware-configuration.nix
134 ];
135
136 $bootLoaderConfig
137 # networking.hostName = "nixos"; # Define your hostname.
138 # Pick only one of the below networking options.
139 # networking.wireless.enable = true; # Enables wireless support via wpa_supplicant.
140 # networking.networkmanager.enable = true; # Easiest to use and most distros use this by default.
141
142 # Set your time zone.
143 # time.timeZone = "Europe/Amsterdam";
144
145 # Configure network proxy if necessary
146 # networking.proxy.default = "http://user:password\@proxy:port/";
147 # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
148
149 # Select internationalisation properties.
150 # i18n.defaultLocale = "en_US.UTF-8";
151 # console = {
152 # font = "Lat2-Terminus16";
153 # keyMap = "us";
154 # useXkbConfig = true; # use xkbOptions in tty.
155 # };
156
157 $xserverConfig
158
159 $desktopConfiguration
160 # Configure keymap in X11
161 # services.xserver.layout = "us";
162 # services.xserver.xkbOptions = {
163 # "eurosign:e";
164 # "caps:escape" # map caps to escape.
165 # };
166
167 # Enable CUPS to print documents.
168 # services.printing.enable = true;
169
170 # Enable sound.
171 # sound.enable = true;
172 # hardware.pulseaudio.enable = true;
173
174 # Enable touchpad support (enabled default in most desktopManager).
175 # services.xserver.libinput.enable = true;
176
177 # Define a user account. Don't forget to set a password with ‘passwd’.
178 # users.users.alice = {
179 # isNormalUser = true;
180 # extraGroups = [ "wheel" ]; # Enable ‘sudo’ for the user.
181 # packages = with pkgs; [
182 # firefox
183 # thunderbird
184 # ];
185 # };
186
187 # List packages installed in system profile. To search, run:
188 # \$ nix search wget
189 # environment.systemPackages = with pkgs; [
190 # vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
191 # wget
192 # ];
193
194 # Some programs need SUID wrappers, can be configured further or are
195 # started in user sessions.
196 # programs.mtr.enable = true;
197 # programs.gnupg.agent = {
198 # enable = true;
199 # enableSSHSupport = true;
200 # };
201
202 # List services that you want to enable:
203
204 # Enable the OpenSSH daemon.
205 # services.openssh.enable = true;
206
207 # Open ports in the firewall.
208 # networking.firewall.allowedTCPPorts = [ ... ];
209 # networking.firewall.allowedUDPPorts = [ ... ];
210 # Or disable the firewall altogether.
211 # networking.firewall.enable = false;
212
213 # Copy the NixOS configuration file and link it from the resulting system
214 # (/run/current-system/configuration.nix). This is useful in case you
215 # accidentally delete configuration.nix.
216 # system.copySystemConfiguration = true;
217
218 # This value determines the NixOS release from which the default
219 # settings for stateful data, like file locations and database versions
220 # on your system were taken. It‘s perfectly fine and recommended to leave
221 # this value at the release version of the first install of this system.
222 # Before changing this value read the documentation for this option
223 # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
224 system.stateVersion = "${config.system.nixos.release}"; # Did you read the comment?
225
226 }
227 '';
228
229 environment.systemPackages =
230 [ nixos-build-vms
231 nixos-install
232 nixos-rebuild
233 nixos-generate-config
234 nixos-version
235 nixos-enter
236 ] ++ lib.optional (nixos-option != null) nixos-option;
237
238 system.build = {
239 inherit nixos-install nixos-generate-config nixos-option nixos-rebuild nixos-enter;
240 };
241
242 };
243
244}