home-manager/modules/programs/mangohud.nix

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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.programs.mangohud;
settingsType = with types;
(oneOf [ bool int float str path (listOf (oneOf [ int str ])) ]);
renderOption = option:
rec {
int = toString option;
float = int;
path = int;
bool = "false";
string = option;
list = concatStringsSep "," (lists.forEach option (x: toString x));
}.${builtins.typeOf option};
renderLine = k: v: (if isBool v && v then k else "${k}=${renderOption v}");
renderSettings = attrs:
strings.concatStringsSep "\n" (attrsets.mapAttrsToList renderLine attrs)
+ "\n";
in {
options = {
programs.mangohud = {
enable = mkEnableOption "Mangohud";
package = mkOption {
type = types.package;
default = pkgs.mangohud;
defaultText = literalExample "pkgs.mangohud";
description = "The Mangohud package to install.";
};
enableSessionWide = mkOption {
type = types.bool;
default = false;
description = ''
Sets environment variables so that
MangoHud is started on any application that supports it.
'';
};
settings = mkOption {
type = with types; attrsOf settingsType;
default = { };
example = literalExample ''
{
output_folder = ~/Documents/mangohud/;
full = true;
}
'';
description = ''
Configuration written to
<filename>~/.config/MangoHud/MangoHud.conf</filename>. See
<link xlink:href="https://github.com/flightlessmango/MangoHud/blob/master/bin/MangoHud.conf"/>
for the default configuration.
'';
};
settingsPerApplication = mkOption {
type = with types; attrsOf (attrsOf settingsType);
default = { };
example = literalExample ''
{
mpv = {
no_display = true;
}
}
'';
description = ''
Sets MangoHud settings per application.
Configuration written to
<filename>~/.config/MangoHud/{application_name}.conf</filename>. See
<link xlink:href="https://github.com/flightlessmango/MangoHud/blob/master/bin/MangoHud.conf"/>
for the default configuration.
'';
};
};
};
config = mkIf cfg.enable {
assertions = [
(hm.assertions.assertPlatform "programs.mangohud" pkgs platforms.linux)
];
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home.packages = [ cfg.package ];
home.sessionVariables = mkIf cfg.enableSessionWide {
MANGOHUD = 1;
MANGOHUD_DLSYM = 1;
};
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xdg.configFile = {
"MangoHud/MangoHud.conf" =
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mkIf (cfg.settings != { }) { text = renderSettings cfg.settings; };
} // mapAttrs'
(n: v: nameValuePair "MangoHud/${n}.conf" { text = renderSettings v; })
cfg.settingsPerApplication;
};
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meta.maintainers = with maintainers; [ zeratax ];
}