package srcds wip

flake.lock

@@ -2,7 +2,9 @@
   "nodes": {
     "flakelight": {
       "inputs": {
-        "nixpkgs": "nixpkgs"
+        "nixpkgs": [
+          "nixpkgs"
+        ]
       },
       "locked": {
         "lastModified": 1750078272,
@@ -20,23 +22,44 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1750134718,
+        "lastModified": 1750400657,
-        "narHash": "sha256-v263g4GbxXv87hMXMCpjkIxd/viIF7p3JpJrwgKdNiI=",
+        "narHash": "sha256-3vkjFnxCOP6vm5Pm13wC/Zy6/VYgei/I/2DWgW4RFeA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "9e83b64f727c88a7711a2c463a7b16eedb69a84c",
+        "rev": "b2485d56967598da068b5a6946dadda8bfcbcd37",
         "type": "github"
       },
       "original": {
-        "owner": "NixOS",
+        "id": "nixpkgs",
-        "ref": "nixos-unstable",
+        "ref": "nixos-25.05",
-        "repo": "nixpkgs",
+        "type": "indirect"
-        "type": "github"
       }
     },
     "root": {
       "inputs": {
-        "flakelight": "flakelight"
+        "flakelight": "flakelight",
+        "nixpkgs": "nixpkgs",
+        "steam-fetcher": "steam-fetcher"
+      }
+    },
+    "steam-fetcher": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1714795926,
+        "narHash": "sha256-PkgC9jqoN6cJ8XYzTA2PlrWs7aPJkM3BGiTxNqax0cA=",
+        "owner": "nix-community",
+        "repo": "steam-fetcher",
+        "rev": "12f66eafb7862d91b3e30c14035f96a21941bd9c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "steam-fetcher",
+        "type": "github"
       }
     }
   },

flake.nix

@@ -1,9 +1,21 @@
 {
   inputs = {
-    flakelight.url = "github:nix-community/flakelight";
+    nixpkgs.url = "nixpkgs/nixos-25.05";
+    flakelight = {
+      url = "github:nix-community/flakelight";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    steam-fetcher = {
+      url = "github:nix-community/steam-fetcher";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
 
-  outputs = {flakelight, ...}: let
+  outputs = {
+    flakelight,
+    steam-fetcher,
+    ...
+  }: let
     inherit (builtins) listToAttrs map;
     inheritPkgs = names:
       listToAttrs (map (name: {
@@ -13,8 +25,13 @@
         names);
   in
     flakelight ./. {
+      nixpkgs.config = {allowUnfree = true;};
+
       systems = ["x86_64-linux" "i686-linux"];
-      withOverlays = [(import ./nix/overlay.nix)];
+      withOverlays = [
+        steam-fetcher.overlays.default
+        (import ./nix/overlay.nix)
+      ];
 
       formatters = pkgs:
         with pkgs; {
@@ -26,7 +43,7 @@
         metamods = pkgs.lib.mapAttrs (name: sdk: pkgs.metamod-source.override {sdks = {${name} = sdk;};}) pkgs.hl2sdk;
       };
 
-      packages = inheritPkgs ["ambuild" "sourcepawn" "sourcemod-includes" "sourcemod-include-library"];
+      packages = inheritPkgs ["ambuild" "sourcepawn" "sourcemod-includes" "sourcemod-include-library" "srcds-tf2"];
 
       checks = {
         buildTestScript = {pkgs, ...}:

nix/overlay.nix

@@ -12,4 +12,5 @@ final: prev: {
   sourcemod-include-library = final.callPackage ./includes/sourcemod-include-library.nix {};
   sourcemod-include-curl = final.callPackage ./includes/curl.nix {};
   sourcemod-include-steamworks = final.callPackage ./includes/steamworks.nix {};
+  srcds-tf2 = final.callPackage ./srcds {};
 }

nix/srcds/curl-symbol-downgrade.patch

@@ -0,0 +1,25 @@
+diff --git a/configure b/configure
+index dcad39e..4d0282a 100755
+--- a/configure
++++ b/configure
+@@ -30493,7 +30493,7 @@ fi
+
+ CURL_LIBCURL_VERSIONED_SYMBOLS_PREFIX="$versioned_symbols_flavour"
+
+-CURL_LIBCURL_VERSIONED_SYMBOLS_SONAME="4"
++CURL_LIBCURL_VERSIONED_SYMBOLS_SONAME="3"
+    if test "x$versioned_symbols" = 'xyes'; then
+   CURL_LT_SHLIB_USE_VERSIONED_SYMBOLS_TRUE=
+   CURL_LT_SHLIB_USE_VERSIONED_SYMBOLS_FALSE='#'
+diff --git a/configure.ac b/configure.ac
+index e3ecf00..b03fb47 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -2700,7 +2700,7 @@ AS_HELP_STRING([--disable-versioned-symbols], [Disable versioned symbols in shar
+ )
+
+ AC_SUBST([CURL_LIBCURL_VERSIONED_SYMBOLS_PREFIX], ["$versioned_symbols_flavour"])
+-AC_SUBST([CURL_LIBCURL_VERSIONED_SYMBOLS_SONAME], ["4"])  dnl Keep in sync with VERSIONCHANGE - VERSIONDEL in lib/Makefile.soname
++AC_SUBST([CURL_LIBCURL_VERSIONED_SYMBOLS_SONAME], ["3"])  dnl Keep in sync with VERSIONCHANGE - VERSIONDEL in lib/Makefile.soname
+ AM_CONDITIONAL([CURL_LT_SHLIB_USE_VERSIONED_SYMBOLS],
+   [test "x$versioned_symbols" = 'xyes'])

nix/srcds/default.nix

@@ -0,0 +1,92 @@
+{
+  lib,
+  stdenvNoCC,
+  fetchSteam,
+  depotdownloader,
+  writeScript,
+  symlinkJoin,
+  autoPatchelfHook,
+  libgcc,
+  curlWithGnuTls,
+  system,
+}: let
+  inherit (builtins) fromJSON readFile map toString elem head replaceStrings;
+  depotInputs = fromJSON (readFile ./depots.json);
+  fetchSupported = elem system depotdownloader.meta.platforms;
+  fetcher = input:
+    if fetchSupported
+    then
+      fetchSteam {
+        name = "steam-depot-${toString input.app_id}-${toString input.depot_id}";
+        appId = input.app_id;
+        depotId = input.depot_id;
+        manifestId = input.manifest;
+        fileList = input.file_list or [];
+        hash = input.hash;
+      }
+    else
+      stdenvNoCC.mkDerivation {
+        name = "steam-depot-${toString input.app_id}-${toString input.depot_id}";
+        outputHashAlgo = "sha256";
+        outputHashMode = "recursive";
+        outputHash = input.hash;
+        preferLocalBuild = true;
+        allowSubstitutes = false;
+        builder = writeScript "restrict-message" ''
+          source ${stdenvNoCC}/setup
+          cat <<_EOF_
+
+          $out
+          fetchSteam is not supported on your platform
+
+          _EOF_
+          exit 1
+        '';
+      };
+  allDepots = map fetcher depotInputs;
+  src = symlinkJoin {
+    name = "srcds-tf2-src";
+    paths = allDepots;
+  };
+  timeToVersion = replaceStrings ["T" ":" "Z"] ["-" "-" ""];
+  time = (head depotInputs).date;
+
+  curlCompat = curlWithGnuTls.overrideAttrs (
+    final: prev: {
+      patches = (prev.patches or []) ++ [./curl-symbol-downgrade.patch];
+    }
+  );
+in
+  stdenvNoCC.mkDerivation {
+    pname = "srcds-tf2";
+    version = timeToVersion time;
+    inherit src;
+
+    # Skip phases that don't apply to prebuilt binaries.
+    dontBuild = true;
+    dontConfigure = true;
+
+    nativeBuildInputs = [autoPatchelfHook];
+    buildInputs = [libgcc curlCompat];
+
+    installPhase = ''
+      runHook preInstall
+
+      cp -rL . $out
+
+      chmod -R +w $out
+
+      runHook postInstall
+    '';
+
+    meta = with lib; {
+      description = "TF2 dedicated server";
+      homepage = "https://steamdb.info/app/440/";
+      changelog = "https://store.steampowered.com/news/app/440?updates=true";
+      sourceProvenance = with sourceTypes; [
+        binaryNativeCode
+      ];
+      license = licenses.unfree;
+      platforms = ["x86_64-linux" "i686-linux"];
+    };
+  }

nix/srcds/depots.json

@@ -0,0 +1,18 @@
+[
+  {
+    "app_id": 232250,
+    "depot_id": 232256,
+    "manifest": 4606186468524235451,
+    "date": "2025-05-13T22:30:59Z",
+    "hash": "sha256-0M39TiQzGwPgFiwyFd9t9Ss86UEBy6jugkr7K+ifYLY=",
+    "file_list": ["regex:^[^.]*(\\.(?!bsp$)[^.]+)?$", "tf/maps/cp_badlands.bsp"]
+  },
+  {
+    "app_id": 232250,
+    "depot_id": 232250,
+    "manifest": 3423298312000784891,
+    "date": "2025-05-13T22:30:59Z",
+    "hash": "sha256-KQTTmLkULMy8jPzwE40DZ1ITsqG/kgWijnzU52OMiII=",
+    "file_list": ["regex:^[^.]*(\\.(?!bsp$)[^.]+)?$", "tf/maps/cp_badlands.bsp"]
+  }
+]