disko/module.nix

65 lines
2.4 KiB
Nix

{ config, lib, pkgs, ... }:
let
types = import ./types {
inherit lib;
rootMountPoint = config.disko.rootMountPoint;
};
cfg = config.disko;
checked = cfg.checkScripts;
in
{
options.disko = {
devices = lib.mkOption {
type = types.devices;
default = { };
description = "The devices to set up";
};
rootMountPoint = lib.mkOption {
type = lib.types.str;
default = "/mnt";
description = "Where the device tree should be mounted by the mountScript";
};
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;
};
checkScripts = lib.mkOption {
description = ''
Whether to run shellcheck on script outputs
'';
type = lib.types.bool;
default = false;
};
};
config = lib.mkIf (cfg.devices.disk != { }) {
system.build.formatScript = (types.diskoLib.writeCheckedBash { inherit pkgs checked; }) "disko-create" ''
export PATH=${lib.makeBinPath (types.diskoLib.packages cfg.devices pkgs)}:$PATH
${types.diskoLib.create cfg.devices}
'';
system.build.mountScript = (types.diskoLib.writeCheckedBash { inherit pkgs checked; }) "disko-mount" ''
export PATH=${lib.makeBinPath (types.diskoLib.packages cfg.devices pkgs)}:$PATH
${types.diskoLib.mount cfg.devices}
'';
system.build.disko = (types.diskoLib.writeCheckedBash { inherit pkgs checked; }) "disko" ''
export PATH=${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 = (types.diskoLib.writeCheckedBash { inherit pkgs checked; noDeps = true; }) "disko" ''
${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)));
};
}