nixpkgs/nixos/modules/programs/htop.nix
Tobias Widmann e4a62b0fd1 nixos/htop: fix boolean values in settings option
When generating htoprc, in order to be recognized by htop, a boolean value
of 'false' should be written as '0', not an empty string.
2023-08-20 00:10:24 +02:00

60 lines
1.5 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 then if value then "1" else "0" else
if 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);
};
}