disko/module.nix
2022-12-25 21:21:40 +01:00

49 lines
1.8 KiB
Nix

{ config, lib, pkgs, ... }:
let
types = import ./types.nix { inherit lib; };
cfg = config.disko;
in {
options.disko = {
devices = lib.mkOption {
type = lib.types.nullOr types.devices;
default = null;
};
enableConfig = lib.mkOption {
description = ''
configure nixos with the specified devices
should be true if the system is booted with those devices
should be false on an installer image etc.
'';
type = lib.types.bool;
default = true;
};
};
config = lib.mkIf (cfg.devices != null) {
system.build.formatScript = pkgs.writers.writeDash "disko-create" ''
export PATH=${lib.makeBinPath (types.diskoLib.packages cfg.devices pkgs)}:$PATH
${types.diskoLib.create cfg.devices}
'';
system.build.mountScript = pkgs.writers.writeDash "disko-mount" ''
export PATH=${lib.makeBinPath (types.diskoLib.packages cfg.devices pkgs)}:$PATH
${types.diskoLib.mount cfg.devices}
'';
system.build.disko = pkgs.writers.writeBash "disko" ''
export PATH=${lib.makeBinPath (types.diskoLib.packages cfg.devices pkgs)}:$PATH
${types.diskoLib.zapCreateMount cfg.devices}
'';
# This is useful to skip copying executables uploading a script to an in-memory installer
system.build.diskoNoDeps = pkgs.writeScript "disko" ''
#!/usr/bin/env bash
${types.diskoLib.zapCreateMount cfg.devices}
'';
# Remember to add config keys here if they are added to types
fileSystems = lib.mkIf cfg.enableConfig (lib.mkMerge (lib.catAttrs "fileSystems" (types.diskoLib.config cfg.devices)));
boot = lib.mkIf cfg.enableConfig (lib.mkMerge (lib.catAttrs "boot" (types.diskoLib.config cfg.devices)));
swapDevices = lib.mkIf cfg.enableConfig (lib.mkMerge (lib.catAttrs "swapDevices" (types.diskoLib.config cfg.devices)));
};
}