replace with customize helper

flake.nix

@@ -58,10 +58,12 @@
         ]
         // {
           test = pkgs:
-            (pkgs.srcds-tf2.withConfig
-              {
+            pkgs.srcds-tf2.customize {
+              cfg = {
                 hostname = "Spire Server";
-              }).withSourcemod {};
+              };
+              sourcemod = true;
+            };
           testScript = pkgs:
             pkgs.buildSourcePawnScript {
               name = "test";

nix/sourcemod/metamod-source.nix

@@ -49,8 +49,6 @@ in
     '';
 
     installPhase = ''
-      mkdir $out
-      mv package $out/share
-      cp -r $src $out/include
+      mv package $out
     '';
   })

nix/sourcemod/sourcemod.nix

@@ -63,8 +63,7 @@ in
     '';
 
     installPhase = ''
-      mkdir $out
-      mv package $out/share
+      mv package $out
     '';
 
     passthru.updateScript = writeScript "update-sourcemod" ''

nix/srcds/addons.nix

@@ -0,0 +1,23 @@
+{
+  symlinkJoin,
+  sourcemod-builder,
+  metamod-source-builder,
+  gamedir,
+  hl2sdk,
+  sdk,
+}: let
+  sdks = {
+    ${sdk} = hl2sdk.${sdk};
+  };
+  metaModSdk = metamod-source-builder sdks;
+  sourceModSdk = sourcemod-builder sdks;
+in
+  symlinkJoin {
+    name = "srcds-tf2-src-addons";
+    paths = [metaModSdk sourceModSdk];
+    postBuild = ''
+      mv $out tmp
+      mkdir $out
+      mv tmp $out/${gamedir}
+    '';
+  }

nix/srcds/cfg.nix

@@ -1,6 +1,7 @@
 {
   lib,
   cfg,
+  gamedir,
   name,
   writeTextDir,
 }: let
@@ -8,4 +9,4 @@
   lines = mapAttrsToList (key: value: ''${key} "${value}"'') cfg;
   text = concatStringsSep "\n" lines;
 in
-  writeTextDir "tf/cfg/${name}" text
+  writeTextDir "${gamedir}/cfg/${name}" text

nix/srcds/default.nix

@@ -12,14 +12,12 @@
   system,
   callPackage,
   depots,
-  sourcemod-builder,
-  metamod-source-builder,
   gamedir,
   hl2sdk,
   sdk,
   writeTextDir,
 }: let
-  inherit (lib) importJSON map toString elem last replaceStrings naturalSort filter any;
+  inherit (lib) importJSON map toString elem last replaceStrings naturalSort filter any optionals;
   depotInputs = importJSON ./depots.json;
   fetchSupported = elem system depotdownloader.meta.platforms;
   fetcher = input:
@@ -69,48 +67,13 @@
     }
   );
 
-  makeWithConfig = base: config: let
-    configFile = callPackage ./cfg.nix {
-      name = "server.cfg";
-      cfg = config;
-    };
-    final = symlinkJoin {
-      name = "srcds-tf2-src";
-      paths = [base configFile];
-      passthru = makeWiths final;
-    };
-  in
-    final;
-  makeWithSourcemod = base: {}: let
-    sdks = {
-      ${sdk} = hl2sdk.${sdk};
-    };
-    metaModSdk = metamod-source-builder sdks;
-    sourceModSdk = sourcemod-builder sdks;
-    final = symlinkJoin {
-      name = "srcds-tf2-src";
-      paths = [base metaModSdk sourceModSdk];
-      passthru = makeWiths final;
-      postBuild = ''
-        mv $out/share/cfg/* $out/tf/cfg/
-        mv $out/share/addons $out/tf/addons
-
-        rm -r $out/include $out/share
-      '';
-    };
-  in
-    final;
-  makeWiths = base: {
-    withConfig = makeWithConfig base;
-    withSourcemod = makeWithSourcemod base;
-  };
+  addons = callPackage ./addons.nix {inherit sdk gamedir;};
 
   mainProgram =
     if system == "x86_64-linux"
     then "srcds_run_64"
     else "srcds_run";
-
-  final = stdenvNoCC.mkDerivation (finalAttrs: {
+  base = stdenvNoCC.mkDerivation (finalAttrs: {
     pname = "srcds-tf2";
     version = timeToVersion time;
     inherit src;
@@ -142,7 +105,21 @@
       runHook postInstall
     '';
 
-    passthru = makeWiths final;
+    passthru = {
+      customize = {
+        cfg ? {},
+        sourcemod ? false,
+      }: let
+        configFile = callPackage ./cfg.nix {
+          name = "server.cfg";
+          inherit cfg gamedir;
+        };
+      in
+        symlinkJoin {
+          name = "srcds-tf2-src-sourcemod";
+          paths = [base configFile] ++ (optionals sourcemod [addons]);
+        };
+    };
 
     meta = with lib; {
       inherit mainProgram;
@@ -157,4 +134,4 @@
     };
   });
 in
-  final
+  base