pyrox.dev
1{
2 config,
3 lib,
4 pkgs,
5 ...
6}:
7
8let
9
10 cfg = config.programs.htop;
11
12 fmt =
13 value:
14 if builtins.isList value then
15 builtins.concatStringsSep " " (builtins.map fmt value)
16 else if builtins.isString value then
17 value
18 else if builtins.isBool value then
19 if value then "1" else "0"
20 else if builtins.isInt value then
21 builtins.toString value
22 else
23 throw "Unrecognized type ${builtins.typeOf value} in htop settings";
24
25in
26
27{
28
29 options.programs.htop = {
30 package = lib.mkPackageOption pkgs "htop" { };
31
32 enable = lib.mkEnableOption "htop process monitor";
33
34 settings = lib.mkOption {
35 type =
36 with lib.types;
37 attrsOf (oneOf [
38 str
39 int
40 bool
41 (listOf (oneOf [
42 str
43 int
44 bool
45 ]))
46 ]);
47 default = { };
48 example = {
49 hide_kernel_threads = true;
50 hide_userland_threads = true;
51 };
52 description = ''
53 Extra global default configuration for htop
54 which is read on first startup only.
55 Htop subsequently uses ~/.config/htop/htoprc
56 as configuration source.
57 '';
58 };
59 };
60
61 config = lib.mkIf cfg.enable {
62 environment.systemPackages = [
63 cfg.package
64 ];
65
66 environment.etc."htoprc".text = ''
67 # Global htop configuration
68 # To change set: programs.htop.settings.KEY = VALUE;
69 ''
70 + builtins.concatStringsSep "\n" (
71 lib.mapAttrsToList (key: value: "${key}=${fmt value}") cfg.settings
72 );
73 };
74
75}