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nixpkgs/nixos/modules/programs/htop.nix
2022-12-08 17:52:52 +01:00

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1.4 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.programs.htop;
fmt = value:
if isList value then concatStringsSep " " (map fmt value) else
if isString value then value else
if isBool value || isInt value then toString value else
throw "Unrecognized type ${typeOf value} in htop settings";
in
{
options.programs.htop = {
package = mkOption {
type = types.package;
default = pkgs.htop;
defaultText = lib.literalExpression "pkgs.htop";
description = lib.mdDoc ''
The htop package that should be used.
'';
};
enable = mkEnableOption (lib.mdDoc "htop process monitor");
settings = mkOption {
type = with types; attrsOf (oneOf [ str int bool (listOf (oneOf [ str int bool ])) ]);
default = {};
example = {
hide_kernel_threads = true;
hide_userland_threads = true;
};
description = lib.mdDoc ''
Extra global default configuration for htop
which is read on first startup only.
Htop subsequently uses ~/.config/htop/htoprc
as configuration source.
'';
};
};
config = mkIf cfg.enable {
environment.systemPackages = [
cfg.package
];
environment.etc."htoprc".text = ''
# Global htop configuration
# To change set: programs.htop.settings.KEY = VALUE;
'' + concatStringsSep "\n" (mapAttrsToList (key: value: "${key}=${fmt value}") cfg.settings);
};
}