233 lines
8.1 KiB
Nix
233 lines
8.1 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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cfg = config.programs.steam;
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gamescopeCfg = config.programs.gamescope;
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extraCompatPaths = lib.makeSearchPathOutput "steamcompattool" "" cfg.extraCompatPackages;
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steam-gamescope = let
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exports = builtins.attrValues (builtins.mapAttrs (n: v: "export ${n}=${v}") cfg.gamescopeSession.env);
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in
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pkgs.writeShellScriptBin "steam-gamescope" ''
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${builtins.concatStringsSep "\n" exports}
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gamescope --steam ${builtins.toString cfg.gamescopeSession.args} -- steam -tenfoot -pipewire-dmabuf
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'';
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gamescopeSessionFile =
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(pkgs.writeTextDir "share/wayland-sessions/steam.desktop" ''
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[Desktop Entry]
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Name=Steam
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Comment=A digital distribution platform
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Exec=${steam-gamescope}/bin/steam-gamescope
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Type=Application
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'').overrideAttrs (_: { passthru.providedSessions = [ "steam" ]; });
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in {
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options.programs.steam = {
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enable = lib.mkEnableOption "steam";
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package = lib.mkOption {
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type = lib.types.package;
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default = pkgs.steam;
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defaultText = lib.literalExpression "pkgs.steam";
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example = lib.literalExpression ''
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pkgs.steam-small.override {
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extraEnv = {
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MANGOHUD = true;
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OBS_VKCAPTURE = true;
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RADV_TEX_ANISO = 16;
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};
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extraLibraries = p: with p; [
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atk
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];
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}
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'';
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apply = steam: steam.override (prev: {
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extraEnv = (lib.optionalAttrs (cfg.extraCompatPackages != [ ]) {
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STEAM_EXTRA_COMPAT_TOOLS_PATHS = extraCompatPaths;
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}) // (lib.optionalAttrs cfg.extest.enable {
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LD_PRELOAD = "${pkgs.pkgsi686Linux.extest}/lib/libextest.so";
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}) // (prev.extraEnv or {});
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extraLibraries = pkgs: let
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prevLibs = if prev ? extraLibraries then prev.extraLibraries pkgs else [ ];
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additionalLibs = with config.hardware.graphics;
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if pkgs.stdenv.hostPlatform.is64bit
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then [ package ] ++ extraPackages
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else [ package32 ] ++ extraPackages32;
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in prevLibs ++ additionalLibs;
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extraPkgs = p: (cfg.extraPackages ++ lib.optionals (prev ? extraPkgs) (prev.extraPkgs p));
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} // lib.optionalAttrs (cfg.gamescopeSession.enable && gamescopeCfg.capSysNice)
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{
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buildFHSEnv = pkgs.buildFHSEnv.override {
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# use the setuid wrapped bubblewrap
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bubblewrap = "${config.security.wrapperDir}/..";
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};
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});
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description = ''
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The Steam package to use. Additional libraries are added from the system
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configuration to ensure graphics work properly.
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Use this option to customise the Steam package rather than adding your
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custom Steam to {option}`environment.systemPackages` yourself.
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'';
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};
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extraPackages = lib.mkOption {
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type = lib.types.listOf lib.types.package;
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default = [ ];
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example = lib.literalExpression ''
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with pkgs; [
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gamescope
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]
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'';
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description = ''
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Additional packages to add to the Steam environment.
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'';
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};
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extraCompatPackages = lib.mkOption {
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type = lib.types.listOf lib.types.package;
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default = [ ];
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example = lib.literalExpression ''
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with pkgs; [
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proton-ge-bin
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]
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'';
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description = ''
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Extra packages to be used as compatibility tools for Steam on Linux. Packages will be included
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in the `STEAM_EXTRA_COMPAT_TOOLS_PATHS` environmental variable. For more information see
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https://github.com/ValveSoftware/steam-for-linux/issues/6310.
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These packages must be Steam compatibility tools that have a `steamcompattool` output.
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'';
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};
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fontPackages = lib.mkOption {
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type = lib.types.listOf lib.types.package;
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# `fonts.packages` is a list of paths now, filter out which are not packages
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default = builtins.filter lib.types.package.check config.fonts.packages;
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defaultText = lib.literalExpression "builtins.filter lib.types.package.check config.fonts.packages";
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example = lib.literalExpression "with pkgs; [ source-han-sans ]";
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description = ''
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Font packages to use in Steam.
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Defaults to system fonts, but could be overridden to use other fonts — useful for users who would like to customize CJK fonts used in Steam. According to the [upstream issue](https://github.com/ValveSoftware/steam-for-linux/issues/10422#issuecomment-1944396010), Steam only follows the per-user fontconfig configuration.
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'';
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};
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remotePlay.openFirewall = lib.mkOption {
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type = lib.types.bool;
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default = false;
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description = ''
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Open ports in the firewall for Steam Remote Play.
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'';
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};
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dedicatedServer.openFirewall = lib.mkOption {
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type = lib.types.bool;
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default = false;
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description = ''
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Open ports in the firewall for Source Dedicated Server.
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'';
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};
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localNetworkGameTransfers.openFirewall = lib.mkOption {
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type = lib.types.bool;
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default = false;
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description = ''
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Open ports in the firewall for Steam Local Network Game Transfers.
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'';
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};
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gamescopeSession = lib.mkOption {
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description = "Run a GameScope driven Steam session from your display-manager";
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default = {};
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type = lib.types.submodule {
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options = {
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enable = lib.mkEnableOption "GameScope Session";
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args = lib.mkOption {
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type = lib.types.listOf lib.types.str;
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default = [ ];
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description = ''
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Arguments to be passed to GameScope for the session.
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'';
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};
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env = lib.mkOption {
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type = lib.types.attrsOf lib.types.str;
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default = { };
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description = ''
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Environmental variables to be passed to GameScope for the session.
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'';
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};
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};
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};
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};
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extest.enable = lib.mkEnableOption ''
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Load the extest library into Steam, to translate X11 input events to
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uinput events (e.g. for using Steam Input on Wayland)
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'';
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protontricks = {
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enable = lib.mkEnableOption "protontricks, a simple wrapper for running Winetricks commands for Proton-enabled games";
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package = lib.mkPackageOption pkgs "protontricks" { };
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};
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};
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config = lib.mkIf cfg.enable {
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hardware.graphics = { # this fixes the "glXChooseVisual failed" bug, context: https://github.com/NixOS/nixpkgs/issues/47932
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enable = true;
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enable32Bit = true;
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};
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security.wrappers = lib.mkIf (cfg.gamescopeSession.enable && gamescopeCfg.capSysNice) {
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# needed or steam fails
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bwrap = {
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owner = "root";
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group = "root";
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source = "${pkgs.bubblewrap}/bin/bwrap";
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setuid = true;
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};
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};
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programs.steam.extraPackages = cfg.fontPackages;
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programs.gamescope.enable = lib.mkDefault cfg.gamescopeSession.enable;
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services.displayManager.sessionPackages = lib.mkIf cfg.gamescopeSession.enable [ gamescopeSessionFile ];
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# enable 32bit pulseaudio/pipewire support if needed
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hardware.pulseaudio.support32Bit = config.hardware.pulseaudio.enable;
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services.pipewire.alsa.support32Bit = config.services.pipewire.alsa.enable;
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hardware.steam-hardware.enable = true;
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environment.systemPackages = [
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cfg.package
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cfg.package.run
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] ++ lib.optional cfg.gamescopeSession.enable steam-gamescope
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++ lib.optional cfg.protontricks.enable (cfg.protontricks.package.override { inherit extraCompatPaths; });
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networking.firewall = lib.mkMerge [
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(lib.mkIf (cfg.remotePlay.openFirewall || cfg.localNetworkGameTransfers.openFirewall) {
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allowedUDPPorts = [ 27036 ]; # Peer discovery
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})
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(lib.mkIf cfg.remotePlay.openFirewall {
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allowedTCPPorts = [ 27036 ];
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allowedUDPPortRanges = [ { from = 27031; to = 27035; } ];
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})
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(lib.mkIf cfg.dedicatedServer.openFirewall {
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allowedTCPPorts = [ 27015 ]; # SRCDS Rcon port
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allowedUDPPorts = [ 27015 ]; # Gameplay traffic
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})
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(lib.mkIf cfg.localNetworkGameTransfers.openFirewall {
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allowedTCPPorts = [ 27040 ]; # Data transfers
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})
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];
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};
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meta.maintainers = lib.teams.steam.members;
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}
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