Merge pull request #86480 from mkg20001/steam-module

nixos/steam: init

doc/builders/packages/steam.xml

@@ -45,13 +45,7 @@
   <title>How to play</title>
 
   <para>
-   For 64-bit systems it's important to have
+   Use <programlisting>programs.steam.enable = true;</programlisting> if you want to add steam to systemPackages and also enable a few workarrounds aswell as Steam controller support or other Steam supported controllers such as the DualShock 4 or Nintendo Switch Pr.
-<programlisting>hardware.opengl.driSupport32Bit = true;</programlisting>
-   in your <filename>/etc/nixos/configuration.nix</filename>. You'll also need
-<programlisting>hardware.pulseaudio.support32Bit = true;</programlisting>
-   if you are using PulseAudio - this will enable 32bit ALSA apps integration. To use the Steam controller or other Steam supported controllers such as the DualShock 4 or Nintendo Switch Pro, you need to add
-<programlisting>hardware.steam-hardware.enable = true;</programlisting>
-   to your configuration.
   </para>
  </section>
 

nixos/doc/manual/release-notes/rl-2009.xml

@@ -130,6 +130,11 @@ systemd.services.mysql.serviceConfig.ReadWritePaths = [ "/var/data" ];
       This will make container tools like Podman work as non-root users out of the box.
     </para>
    </listitem>
+   <listitem>
+     <para>
+       The various documented workarounds to use steam have been converted to a module. <varname>programs.steam.enable</varname> enables steam, controller support and the workarounds.
+     </para>
+   </listitem>
   </itemizedlist>
  </section>
 

nixos/modules/module-list.nix

@@ -156,6 +156,7 @@
   ./programs/ssmtp.nix
   ./programs/sysdig.nix
   ./programs/systemtap.nix
+  ./programs/steam.nix
   ./programs/sway.nix
   ./programs/system-config-printer.nix
   ./programs/thefuck.nix

nixos/modules/programs/steam.nix

@@ -0,0 +1,25 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+  cfg = config.programs.steam;
+in {
+  options.programs.steam.enable = mkEnableOption "steam";
+
+  config = mkIf cfg.enable {
+    hardware.opengl = { # this fixes the "glXChooseVisual failed" bug, context: https://github.com/NixOS/nixpkgs/issues/47932
+      enable = true;
+      driSupport32Bit = true;
+    };
+
+    # optionally enable 32bit pulseaudio support if pulseaudio is enabled
+    hardware.pulseaudio.support32Bit = config.hardware.pulseaudio.enable;
+
+    hardware.steam-hardware.enable = true;
+
+    environment.systemPackages = [ pkgs.steam ];
+  };
+
+  meta.maintainers = with maintainers; [ mkg20001 ];
+}