add custom openmw

flake.lock

@@ -493,6 +493,22 @@
         "type": "github"
       }
     },
+    "openmw": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1768342692,
+        "narHash": "sha256-XLlg+JKE7mvbytjPq4iue9JTVA/Uv2bn1mYS1OEIWFY=",
+        "owner": "OpenMW",
+        "repo": "openmw",
+        "rev": "3ac8eb07876e1d0a5fe52baca70d0b972cf1e33c",
+        "type": "gitlab"
+      },
+      "original": {
+        "owner": "OpenMW",
+        "repo": "openmw",
+        "type": "gitlab"
+      }
+    },
     "plasma-manager": {
       "inputs": {
         "home-manager": [
@@ -529,6 +545,7 @@
         "nixvim": "nixvim",
         "noctalia": "noctalia",
         "nur": "nur",
+        "openmw": "openmw",
         "plasma-manager": "plasma-manager",
         "spicetify-nix": "spicetify-nix"
       }

flake.nix

@@ -56,6 +56,11 @@
       url = "github:nix-community/nixos-apple-silicon";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+
+    openmw = {
+      url = "gitlab:OpenMW/openmw";
+      flake = false;
+    };
   };
 
   outputs = {
@@ -72,6 +77,7 @@
     nur,
     nixvim,
     apple-silicon,
+    openmw,
     ...
   }: let
     # All systems we want to support for the generic VM
@@ -112,6 +118,13 @@
                   noctalia.overlays.default
                   nur.overlays.default
                   (import ./packages/overlay.nix)
+                  (final: prev: {
+                    openmw-git = {
+                      src = openmw;
+                      version = openmw.shortRev or openmw.rev or "unknown";
+                      date = openmw.lastModifiedDate or "unknown";
+                    };
+                  })
                 ];
               };
               nix = {

packages/openmw/default.nix

@@ -0,0 +1,8 @@
+{
+  openmw,
+  openmw-git,
+}:
+openmw.overrideAttrs (oldAttrs: {
+  version = "unstable-${openmw-git.date}-${openmw-git.version}";
+  src = openmw-git.src;
+})

packages/overlay.nix

@@ -1,6 +1,10 @@
 final: prev: {
   spotify-webapp = final.callPackage ./spotify-webapp {};
   altserver-linux = final.callPackage ./altserver {};
+  openmw = final.callPackage ./openmw {
+    openmw = prev.openmw;
+    inherit (final) openmw-git;
+  };
 
   linuxPackages_asahi = prev.linuxPackages_asahi.override {
     _kernelPatches = [