Git submodules fix

build.nix

@@ -1,12 +1,9 @@
 { callPackage
 , symlinkJoin
+, hl2-unwrapped ? callPackage ./hl2-unwrapped.nix { }
+, hl2-wrapper ? callPackage ./hl2-wrapper.nix { inherit hl2-unwrapped; }
 }:
 
-let
-  # Strangely, these are overridable
-  hl2-unwrapped = callPackage ./hl2-unwrapped.nix { };
-  hl2-wrapper = callPackage ./hl2-wrapper.nix { inherit hl2-unwrapped; };
-in
 symlinkJoin {
   name = "hl2";
 

flake.lock

@@ -1,5 +1,37 @@
 {
   "nodes": {
+    "ivp-submodule": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1703378318,
+        "narHash": "sha256-FA5NrzumsKADWmC2JeUiYShHE7LoEWH8E92R5IEana0=",
+        "owner": "nillerusr",
+        "repo": "source-physics",
+        "rev": "47533475e01cbff05fbc3bbe8b4edc485f292cea",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nillerusr",
+        "repo": "source-physics",
+        "type": "github"
+      }
+    },
+    "lib-submodule": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1663437616,
+        "narHash": "sha256-tpK15gJOvFpjDqFAIQ1lyaCW81R1Sxd39sX2xHsWX3o=",
+        "owner": "nillerusr",
+        "repo": "source-engine-libs",
+        "rev": "86a66ee92d9fda0a09f54a435e850faa7ab5d0fa",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nillerusr",
+        "repo": "source-engine-libs",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1734566935,
@@ -17,7 +49,26 @@
     },
     "root": {
       "inputs": {
-        "nixpkgs": "nixpkgs"
+        "ivp-submodule": "ivp-submodule",
+        "lib-submodule": "lib-submodule",
+        "nixpkgs": "nixpkgs",
+        "thirdparty-submodule": "thirdparty-submodule"
+      }
+    },
+    "thirdparty-submodule": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1694693388,
+        "narHash": "sha256-d/vKz9gCwXd2fyxCxU4xE/3hb7A7mCO5AUyAD1vCIuY=",
+        "owner": "nillerusr",
+        "repo": "source-thirdparty",
+        "rev": "3b2f5275072a0acdbac410f14f750b690b9b4c13",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nillerusr",
+        "repo": "source-thirdparty",
+        "type": "github"
       }
     }
   },

flake.nix

@@ -1,15 +1,40 @@
 {
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs";
+
+    ivp-submodule = {
+      url = "github:nillerusr/source-physics";
+      flake = false;
+    };
+
+    lib-submodule = {
+      url = "github:nillerusr/source-engine-libs";
+      flake = false;
+    };
+
+    thirdparty-submodule = {
+      url = "github:nillerusr/source-thirdparty";
+      flake = false;
+    };
   };
 
-  outputs = { self, nixpkgs }:
+  outputs = { self, nixpkgs, ... }@inputs:
   let
     pkgs = nixpkgs.legacyPackages.x86_64-linux;
+
+    # Fix for git submodules
+    hl2-unwrapped = (pkgs.callPackage ./hl2-unwrapped.nix { }).overrideAttrs {
+      postPatch = ''
+        rm -rf ./{ivp,lib,thirdparty}
+        ln -s ${inputs.ivp-submodule} ./ivp
+        ln -s ${inputs.lib-submodule} ./lib
+        ln -s ${inputs.thirdparty-submodule} ./thirdparty
+      '';
+    };
   in
   {
     packages.x86_64-linux = {
-      hl2 = pkgs.callPackage ./build.nix { };
+      hl2 = pkgs.callPackage ./build.nix { inherit hl2-unwrapped; };
       default = self.packages.x86_64-linux.hl2;
     };
   };