depot/third_party/nixpkgs/nixos/modules/programs/htop.nix

76 lines
1.5 KiB
Nix

{
config,
lib,
pkgs,
...
}:
let
cfg = config.programs.htop;
fmt =
value:
if builtins.isList value then
builtins.concatStringsSep " " (builtins.map fmt value)
else if builtins.isString value then
value
else if builtins.isBool value then
if value then "1" else "0"
else if builtins.isInt value then
builtins.toString value
else
throw "Unrecognized type ${builtins.typeOf value} in htop settings";
in
{
options.programs.htop = {
package = lib.mkPackageOption pkgs "htop" { };
enable = lib.mkEnableOption "htop process monitor";
settings = lib.mkOption {
type =
with lib.types;
attrsOf (oneOf [
str
int
bool
(listOf (oneOf [
str
int
bool
]))
]);
default = { };
example = {
hide_kernel_threads = true;
hide_userland_threads = true;
};
description = ''
Extra global default configuration for htop
which is read on first startup only.
Htop subsequently uses ~/.config/htop/htoprc
as configuration source.
'';
};
};
config = lib.mkIf cfg.enable {
environment.systemPackages = [
cfg.package
];
environment.etc."htoprc".text =
''
# Global htop configuration
# To change set: programs.htop.settings.KEY = VALUE;
''
+ builtins.concatStringsSep "\n" (
lib.mapAttrsToList (key: value: "${key}=${fmt value}") cfg.settings
);
};
}