disko/module.nix
2023-06-24 09:19:17 +00:00

79 lines
3.1 KiB
Nix

{ config, lib, pkgs, ... }:
let
diskoLib = import ./lib {
inherit lib;
rootMountPoint = config.disko.rootMountPoint;
};
cfg = config.disko;
checked = cfg.checkScripts;
in
{
options.disko = {
devices = lib.mkOption {
type = diskoLib.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 = (diskoLib.writeCheckedBash { inherit pkgs checked; }) "disko-create" ''
export PATH=${lib.makeBinPath (diskoLib.packages cfg.devices pkgs)}:$PATH
${diskoLib.create cfg.devices}
'';
system.build.mountScript = (diskoLib.writeCheckedBash { inherit pkgs checked; }) "disko-mount" ''
export PATH=${lib.makeBinPath (diskoLib.packages cfg.devices pkgs)}:$PATH
${diskoLib.mount cfg.devices}
'';
# we keep this old output for compatibility
system.build.disko = builtins.trace "the .disko output is deprecated, plase use .diskoScript instead" config.system.build.diskoScript;
system.build.diskoScript = (diskoLib.writeCheckedBash { inherit pkgs checked; }) "disko" ''
export PATH=${lib.makeBinPath ((diskoLib.packages cfg.devices pkgs) ++ [ pkgs.bash ])}:$PATH
${diskoLib.zapCreateMount cfg.devices}
'';
# These are useful to skip copying executables uploading a script to an in-memory installer
system.build.formatScriptNoDeps = (diskoLib.writeCheckedBash { inherit pkgs checked; noDeps = true; }) "disko-create" ''
${diskoLib.create cfg.devices}
'';
system.build.mountScriptNoDeps = (diskoLib.writeCheckedBash { inherit pkgs checked; noDeps = true; }) "disko-mount" ''
${diskoLib.mount cfg.devices}
'';
# we keep this old output for compatibility
system.build.diskoNoDeps = builtins.trace "the .diskoNoDeps output is deprecated, plase use .diskoScriptNoDeps instead" config.system.build.diskoScriptNoDeps;
system.build.diskoScriptNoDeps = (diskoLib.writeCheckedBash { inherit pkgs checked; noDeps = true; }) "disko" ''
${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" (diskoLib.config cfg.devices)));
boot = lib.mkIf cfg.enableConfig (lib.mkMerge (lib.catAttrs "boot" (diskoLib.config cfg.devices)));
swapDevices = lib.mkIf cfg.enableConfig (lib.mkMerge (lib.catAttrs "swapDevices" (diskoLib.config cfg.devices)));
};
}