From 27cd693f32b87055561413e4c5ca091ed2d7c498 Mon Sep 17 00:00:00 2001
From: AsbjornOlling <asbjornolling@gmail.com>
Date: Thu, 26 Dec 2024 16:43:58 +0100
Subject: [PATCH 01/20] builds example game with nix

---
 example-game/.gitignore         |  1 -
 example-game/default.nix        | 39 +++++++++++++++++++++++++++++++++
 example-game/export_presets.cfg | 39 +++++++++++++++++++++++++++++++++
 flake.nix                       |  6 ++++-
 nobodywho/default.nix           |  5 +++--
 5 files changed, 86 insertions(+), 4 deletions(-)
 create mode 100644 example-game/default.nix
 create mode 100644 example-game/export_presets.cfg

diff --git a/example-game/.gitignore b/example-game/.gitignore
index 5e99498..d7d166b 100644
--- a/example-game/.gitignore
+++ b/example-game/.gitignore
@@ -4,7 +4,6 @@
 # Godot-specific ignores
 .import/
 export.cfg
-export_presets.cfg
 
 # Imported translations (automatically generated from CSV files)
 *.translation
diff --git a/example-game/default.nix b/example-game/default.nix
new file mode 100644
index 0000000..3620dde
--- /dev/null
+++ b/example-game/default.nix
@@ -0,0 +1,39 @@
+{ nobodywho, stdenv, fetchurl, godot_4, godot_4-export-templates }:
+let
+  model = fetchurl {
+    name = "gemma-2-2b-it-Q4_K_M.gguf";
+    url = "https://huggingface.co/bartowski/gemma-2-2b-it-GGUF/resolve/main/gemma-2-2b-it-Q4_K_M.gguf";
+  };
+in
+stdenv.mkDerivation {
+  name = "nobodywho example game";
+  src = ./.;
+  buildPhase = ''
+    # setup stuff godot needs: export templates
+    export HOME=$TMPDIR
+    mkdir -p $HOME/.local/share/godot/export_templates
+    ln -s ${godot_4-export-templates} $HOME/.local/share/godot/export_templates/4.3.stable
+
+    # copy in gdextension stuff
+    rm ./nobodywho.gdextension
+    mkdir -p ./bin/
+    cp ${nobodywho}/lib/libnobodywho.so ./bin/libnobodywho.so
+    cat << EOF > bin/nobodywho.gdextension
+    [configuration]
+    entry_symbol = "gdext_rust_init"
+    compatibility_minimum = 4.3
+    reloadable = true
+
+    [libraries]
+    linux.debug.x86_64 =     "res://bin/libnobodywho.so"
+    linux.release.x86_64 =   "res://bin/libnobodywho.so"
+    EOF
+
+    # build game
+    mkdir -p $out
+    ${godot_4}/bin/godot4 --verbose --headless --export-debug "Linux" $out/game
+    ${godot_4}/bin/godot4 --verbose --headless --export-debug "Linux" $out/game
+
+    cp ${model} $out/
+  '';
+}
diff --git a/example-game/export_presets.cfg b/example-game/export_presets.cfg
new file mode 100644
index 0000000..59c32aa
--- /dev/null
+++ b/example-game/export_presets.cfg
@@ -0,0 +1,39 @@
+[preset.0]
+
+name="Linux"
+platform="Linux"
+runnable=true
+advanced_options=false
+dedicated_server=false
+custom_features=""
+export_filter="all_resources"
+include_filter=""
+exclude_filter=""
+export_path="out/New Game Project.x86_64"
+encryption_include_filters=""
+encryption_exclude_filters=""
+encrypt_pck=false
+encrypt_directory=false
+script_export_mode=2
+
+[preset.0.options]
+
+custom_template/debug=""
+custom_template/release=""
+debug/export_console_wrapper=1
+binary_format/embed_pck=false
+texture_format/s3tc_bptc=true
+texture_format/etc2_astc=false
+binary_format/architecture="x86_64"
+ssh_remote_deploy/enabled=false
+ssh_remote_deploy/host="user@host_ip"
+ssh_remote_deploy/port="22"
+ssh_remote_deploy/extra_args_ssh=""
+ssh_remote_deploy/extra_args_scp=""
+ssh_remote_deploy/run_script="#!/usr/bin/env bash
+export DISPLAY=:0
+unzip -o -q \"{temp_dir}/{archive_name}\" -d \"{temp_dir}\"
+\"{temp_dir}/{exe_name}\" {cmd_args}"
+ssh_remote_deploy/cleanup_script="#!/usr/bin/env bash
+kill $(pgrep -x -f \"{temp_dir}/{exe_name} {cmd_args}\")
+rm -rf \"{temp_dir}\""
diff --git a/flake.nix b/flake.nix
index 6da522b..ce5e95d 100644
--- a/flake.nix
+++ b/flake.nix
@@ -8,9 +8,13 @@
     flake-utils.lib.eachDefaultSystem (system:
     let
       pkgs = (import nixpkgs { system = system; });
+      nobodywho = pkgs.callPackage ./nobodywho {};
+      game = pkgs.callPackage ./example-game { inherit nobodywho; };
     in
   {
-      packages.default = pkgs.callPackage ./nobodywho {};
+      packages.default = nobodywho;
+      packages.game = game;
+      checks.default = game;
       devShells.default = import ./nobodywho/shell.nix { inherit pkgs; };
   });
 }
diff --git a/nobodywho/default.nix b/nobodywho/default.nix
index 6319af1..9148a47 100644
--- a/nobodywho/default.nix
+++ b/nobodywho/default.nix
@@ -10,8 +10,9 @@ rustPlatform.buildRustPackage {
   cargoLock = {
     lockFile = ./Cargo.lock;
     outputHashes = {
-      "gdextension-api-0.2.0" = "sha256-kIkOMwbO63pnmwG3nyM0gMtWhCKSMqz6fmd2nQ22wHg=";
-      "godot-0.1.3" = "sha256-T4HVbQ707obITx2dYAO8UYDM9Dvk6LMn6G3Ue8M1KqU=";
+      "gdextension-api-0.2.1" = "sha256-YkMbzObJGnmQa1XGT4ApRrfqAeOz7CktJrhYks8z0RY=";
+      "godot-0.2.0" = "sha256-jv0SsEiVrjCcOCVgc43gsTRk6HTImyRkRpZQRQD6rwc=";
+      "llama-cpp-2-0.1.86" = "sha256-Fe8WPO1NAISGGDkX5UWM8ubekYbnnAwEcKf0De5x9AQ=";
     };
   };
   env.LIBCLANG_PATH = "${libclang.lib}/lib/libclang.so";

From 5a028562e0db94da9260219da82b285bd36f10ce Mon Sep 17 00:00:00 2001
From: AsbjornOlling <asbjornolling@gmail.com>
Date: Mon, 6 Jan 2025 17:04:34 +0100
Subject: [PATCH 02/20] something works

---
 example-game/default.nix | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/example-game/default.nix b/example-game/default.nix
index 3620dde..72ed3b8 100644
--- a/example-game/default.nix
+++ b/example-game/default.nix
@@ -3,6 +3,12 @@ let
   model = fetchurl {
     name = "gemma-2-2b-it-Q4_K_M.gguf";
     url = "https://huggingface.co/bartowski/gemma-2-2b-it-GGUF/resolve/main/gemma-2-2b-it-Q4_K_M.gguf";
+    hash = "sha256-4K7oUGDxaPDy2Ec9fqQc4vMjDBvBN0hHUF6lmSiKd4c=";
+  };
+  embedding_model = fetchurl {
+    name = "bge-small-en-v1.5-q8_0.gguf";
+    url = "https://huggingface.co/CompendiumLabs/bge-small-en-v1.5-gguf/resolve/main/bge-small-en-v1.5-q8_0.gguf";
+    hash = "sha256-7Djo2hQllrqpExJK5QVQ3ihLaRa/WVd+8vDLlmDC9RQ=";
   };
 in
 stdenv.mkDerivation {
@@ -34,6 +40,7 @@ stdenv.mkDerivation {
     ${godot_4}/bin/godot4 --verbose --headless --export-debug "Linux" $out/game
     ${godot_4}/bin/godot4 --verbose --headless --export-debug "Linux" $out/game
 
-    cp ${model} $out/
+    cp ${model} $out/gemma-2-2b-it-Q4_K_M.gguf
+    cp ${embedding_model} $out/bge-small-en-v1.5-q8_0.gguf
   '';
 }

From 754d5caa30ce98194b4b0126e9ac476621f84c15 Mon Sep 17 00:00:00 2001
From: AsbjornOlling <asbjornolling@gmail.com>
Date: Tue, 7 Jan 2025 10:39:17 +0100
Subject: [PATCH 03/20] print sparkles on success

---
 example-game/chat.gd      | 2 +-
 example-game/embedding.gd | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/example-game/chat.gd b/example-game/chat.gd
index c483570..4aea55a 100644
--- a/example-game/chat.gd
+++ b/example-game/chat.gd
@@ -10,4 +10,4 @@ func _ready():
 
 	# wait for the response
 	var response = await response_finished
-	print("Got response: " + response)
+	print("✨ Got response: " + response)
diff --git a/example-game/embedding.gd b/example-game/embedding.gd
index 741e522..2a3e068 100644
--- a/example-game/embedding.gd
+++ b/example-game/embedding.gd
@@ -18,3 +18,5 @@ func _ready():
 	var low_similarity = cosine_similarity(irrelevant_embd, dragon_hill_embd)
 	var high_similarity = cosine_similarity(dragon_hill_embd, dragon_hungry_embd) 
 	assert(low_similarity < high_similarity)
+	print("✨ embeddings completed")
+

From 3ed92956792267abe9ebc3bfce51746729aa33e9 Mon Sep 17 00:00:00 2001
From: AsbjornOlling <asbjornolling@gmail.com>
Date: Tue, 7 Jan 2025 10:48:37 +0100
Subject: [PATCH 04/20] make example game behave a bit more like an integration
 test

---
 example-game/chat.gd      | 4 +++-
 example-game/embedding.gd | 7 ++++---
 example-game/example.tscn | 4 +++-
 example-game/run_tests.gd | 8 ++++++++
 4 files changed, 18 insertions(+), 5 deletions(-)
 create mode 100644 example-game/run_tests.gd

diff --git a/example-game/chat.gd b/example-game/chat.gd
index 4aea55a..e781d43 100644
--- a/example-game/chat.gd
+++ b/example-game/chat.gd
@@ -1,6 +1,6 @@
 extends NobodyWhoChat
 
-func _ready():
+func run_test():
 	# configure node
 	model_node = get_node("../ChatModel")
 	system_prompt = "You are an evil wizard. Always try to curse anyone who talks to you."
@@ -11,3 +11,5 @@ func _ready():
 	# wait for the response
 	var response = await response_finished
 	print("✨ Got response: " + response)
+	if len(response) > 0:
+		return true
diff --git a/example-game/embedding.gd b/example-game/embedding.gd
index 2a3e068..7ffcbb5 100644
--- a/example-game/embedding.gd
+++ b/example-game/embedding.gd
@@ -1,6 +1,6 @@
 extends NobodyWhoEmbedding
 
-func _ready():
+func run_test():
 	# configure node
 	self.model_node = get_node("../EmbeddingModel")
 
@@ -17,6 +17,7 @@ func _ready():
 	# test similarity
 	var low_similarity = cosine_similarity(irrelevant_embd, dragon_hill_embd)
 	var high_similarity = cosine_similarity(dragon_hill_embd, dragon_hungry_embd) 
-	assert(low_similarity < high_similarity)
+	var result = low_similarity < high_similarity
+	assert(result)
 	print("✨ embeddings completed")
-
+	return result
diff --git a/example-game/example.tscn b/example-game/example.tscn
index b19d6aa..3683ca7 100644
--- a/example-game/example.tscn
+++ b/example-game/example.tscn
@@ -1,6 +1,7 @@
-[gd_scene load_steps=3 format=3 uid="uid://qir8gkg0qx5w"]
+[gd_scene load_steps=4 format=3 uid="uid://qir8gkg0qx5w"]
 
 [ext_resource type="Script" path="res://chat.gd" id="1_178kq"]
+[ext_resource type="Script" path="res://run_tests.gd" id="1_mssk2"]
 [ext_resource type="Script" path="res://embedding.gd" id="2_rcagm"]
 
 [node name="Control" type="Control"]
@@ -10,6 +11,7 @@ anchor_right = 1.0
 anchor_bottom = 1.0
 grow_horizontal = 2
 grow_vertical = 2
+script = ExtResource("1_mssk2")
 
 [node name="ChatModel" type="NobodyWhoModel" parent="."]
 model_path = "res://gemma-2-2b-it-Q4_K_M.gguf"
diff --git a/example-game/run_tests.gd b/example-game/run_tests.gd
new file mode 100644
index 0000000..c6581dc
--- /dev/null
+++ b/example-game/run_tests.gd
@@ -0,0 +1,8 @@
+extends Control
+
+func _ready() -> void:
+	print("👷 running tests...")
+	assert(await $NobodyWhoEmbedding.run_test())
+	assert(await $NobodyWhoChat.run_test())
+	print("✨ all tests complete")
+	get_tree().quit()

From bbfb1bd3c93d8bb2b71a50cbf552062e81d59120 Mon Sep 17 00:00:00 2001
From: AsbjornOlling <asbjornolling@gmail.com>
Date: Tue, 7 Jan 2025 12:01:43 +0100
Subject: [PATCH 05/20] dont throw unreachable on recv channel death

---
 nobodywho/src/llm.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/nobodywho/src/llm.rs b/nobodywho/src/llm.rs
index 2a600f1..2adaab6 100644
--- a/nobodywho/src/llm.rs
+++ b/nobodywho/src/llm.rs
@@ -350,8 +350,9 @@ fn run_completion_worker_result(
         response.clear();
     }
 
-    // This should be unreachable as the receiver loop only exits on error
-    unreachable!();
+    // We can't really throw an error here, since the other end of our channels seem to have died
+    // but it's not `unreachable!()`, since we do end up here once the channels die.
+    Ok(()) // accept our fate
 }
 pub enum EmbeddingsOutput {
     Embedding(Vec<f32>),

From b3d8cce3b2572e39bca56e1445d1c523150cc956 Mon Sep 17 00:00:00 2001
From: AsbjornOlling <asbjornolling@gmail.com>
Date: Tue, 7 Jan 2025 12:01:54 +0100
Subject: [PATCH 06/20] run integration test in flake

---
 flake.nix | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/flake.nix b/flake.nix
index ce5e95d..00a1ebc 100644
--- a/flake.nix
+++ b/flake.nix
@@ -7,14 +7,24 @@
   outputs = { nixpkgs, flake-utils, ... }:
     flake-utils.lib.eachDefaultSystem (system:
     let
-      pkgs = (import nixpkgs { system = system; });
+      pkgs = (import nixpkgs {
+        system = system;
+         config.allowUnfreePredicate = pkg: builtins.elem (pkgs.lib.getName pkg) [
+             "steam-run"
+             "steam-original"
+         ];
+      });
       nobodywho = pkgs.callPackage ./nobodywho {};
-      game = pkgs.callPackage ./example-game { inherit nobodywho; };
+      integration-test = pkgs.callPackage ./example-game { inherit nobodywho; };
+      run-integration-test = pkgs.runCommand "checkgame" {} ''
+        cd ${integration-test}
+        ${pkgs.steam-run}/bin/steam-run ./game --headless
+      '';
     in
   {
       packages.default = nobodywho;
-      packages.game = game;
-      checks.default = game;
+      packages.game = integration-test;
+      checks.default = run-integration-test;
       devShells.default = import ./nobodywho/shell.nix { inherit pkgs; };
   });
 }

From 91c6032143744c45c8d3b6bf4d0889beacd73725 Mon Sep 17 00:00:00 2001
From: AsbjornOlling <asbjornolling@gmail.com>
Date: Tue, 7 Jan 2025 12:02:11 +0100
Subject: [PATCH 07/20] run flake check in github ci

---
 .github/workflows/main.yml | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 0f25404..c5ccc39 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -185,6 +185,16 @@ jobs:
       - name: "Run unit tests"
         run: cargo test -- --nocapture --test-threads=1
         working-directory: ./nobodywho
+  
+  nix-flake-check:
+    runs-on: ubuntu-24.04
+    steps:
+      - uses: actions/checkout@v4
+      - uses: cachix/install-nix-action@v27
+        with:
+          github_access_token: ${{ secrets.GITHUB_TOKEN }}
+      - run: nix build '.#game'
+      - run: nix flake check
 
 
   zip-distributable:

From af6f19a67910704b6239a9eda7ea4e54e75f3419 Mon Sep 17 00:00:00 2001
From: AsbjornOlling <asbjornolling@gmail.com>
Date: Tue, 7 Jan 2025 14:34:17 +0100
Subject: [PATCH 08/20] dont run integration test in nix sandbox

---
 .github/workflows/main.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index c5ccc39..c99ba7e 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -186,7 +186,7 @@ jobs:
         run: cargo test -- --nocapture --test-threads=1
         working-directory: ./nobodywho
   
-  nix-flake-check:
+  integration-test:
     runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v4
@@ -194,7 +194,7 @@ jobs:
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
       - run: nix build '.#game'
-      - run: nix flake check
+      - run: cd result && ./game --headless
 
 
   zip-distributable:

From 4b166d531e0139493a5b89e213053a119fd95502 Mon Sep 17 00:00:00 2001
From: AsbjornOlling <asbjornolling@gmail.com>
Date: Tue, 7 Jan 2025 14:35:18 +0100
Subject: [PATCH 09/20] bump stuff

---
 flake.lock            |  12 ++---
 flake.nix             |   1 +
 nobodywho/Cargo.lock  | 105 +++++++++++++++++++++---------------------
 nobodywho/default.nix |  38 ++++++++-------
 4 files changed, 77 insertions(+), 79 deletions(-)

diff --git a/flake.lock b/flake.lock
index ec03c28..02324b7 100644
--- a/flake.lock
+++ b/flake.lock
@@ -5,11 +5,11 @@
         "systems": "systems"
       },
       "locked": {
-        "lastModified": 1710146030,
-        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
         "type": "github"
       },
       "original": {
@@ -20,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1724479785,
-        "narHash": "sha256-pP3Azj5d6M5nmG68Fu4JqZmdGt4S4vqI5f8te+E/FTw=",
+        "lastModified": 1736012469,
+        "narHash": "sha256-/qlNWm/IEVVH7GfgAIyP6EsVZI6zjAx1cV5zNyrs+rI=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "d0e1602ddde669d5beb01aec49d71a51937ed7be",
+        "rev": "8f3e1f807051e32d8c95cd12b9b421623850a34d",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 00a1ebc..23527c1 100644
--- a/flake.nix
+++ b/flake.nix
@@ -12,6 +12,7 @@
          config.allowUnfreePredicate = pkg: builtins.elem (pkgs.lib.getName pkg) [
              "steam-run"
              "steam-original"
+             "steam-unwrapped"
          ];
       });
       nobodywho = pkgs.callPackage ./nobodywho {};
diff --git a/nobodywho/Cargo.lock b/nobodywho/Cargo.lock
index 70f73d5..96e4535 100644
--- a/nobodywho/Cargo.lock
+++ b/nobodywho/Cargo.lock
@@ -81,9 +81,9 @@ checksum = "79296716171880943b8470b5f8d03aa55eb2e645a4874bdbb28adb49162e012c"
 
 [[package]]
 name = "cc"
-version = "1.2.2"
+version = "1.2.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f34d93e62b03caf570cccc334cbc6c2fceca82f39211051345108adcba3eebdc"
+checksum = "a012a0df96dd6d06ba9a1b29d6402d1a5d77c6befd2566afdc26e10603dc93d7"
 dependencies = [
  "jobserver",
  "libc",
@@ -244,8 +244,8 @@ checksum = "a8d1add55171497b4705a648c6b583acafb01d58050a51727785f0b2c8e0a2b2"
 
 [[package]]
 name = "godot"
-version = "0.2.0"
-source = "git+https://github.com/godot-rust/gdext?branch=master#d32d569ed61ef8427470acdc41e8e708828fe412"
+version = "0.2.2"
+source = "git+https://github.com/godot-rust/gdext?branch=master#6a5d19d5f8e7563730ccd4738e46f398726b222a"
 dependencies = [
  "godot-core",
  "godot-macros",
@@ -253,21 +253,21 @@ dependencies = [
 
 [[package]]
 name = "godot-bindings"
-version = "0.2.0"
-source = "git+https://github.com/godot-rust/gdext?branch=master#d32d569ed61ef8427470acdc41e8e708828fe412"
+version = "0.2.2"
+source = "git+https://github.com/godot-rust/gdext?branch=master#6a5d19d5f8e7563730ccd4738e46f398726b222a"
 dependencies = [
  "gdextension-api",
 ]
 
 [[package]]
 name = "godot-cell"
-version = "0.2.0"
-source = "git+https://github.com/godot-rust/gdext?branch=master#d32d569ed61ef8427470acdc41e8e708828fe412"
+version = "0.2.2"
+source = "git+https://github.com/godot-rust/gdext?branch=master#6a5d19d5f8e7563730ccd4738e46f398726b222a"
 
 [[package]]
 name = "godot-codegen"
-version = "0.2.0"
-source = "git+https://github.com/godot-rust/gdext?branch=master#d32d569ed61ef8427470acdc41e8e708828fe412"
+version = "0.2.2"
+source = "git+https://github.com/godot-rust/gdext?branch=master#6a5d19d5f8e7563730ccd4738e46f398726b222a"
 dependencies = [
  "godot-bindings",
  "heck",
@@ -279,8 +279,8 @@ dependencies = [
 
 [[package]]
 name = "godot-core"
-version = "0.2.0"
-source = "git+https://github.com/godot-rust/gdext?branch=master#d32d569ed61ef8427470acdc41e8e708828fe412"
+version = "0.2.2"
+source = "git+https://github.com/godot-rust/gdext?branch=master#6a5d19d5f8e7563730ccd4738e46f398726b222a"
 dependencies = [
  "glam",
  "godot-bindings",
@@ -291,8 +291,8 @@ dependencies = [
 
 [[package]]
 name = "godot-ffi"
-version = "0.2.0"
-source = "git+https://github.com/godot-rust/gdext?branch=master#d32d569ed61ef8427470acdc41e8e708828fe412"
+version = "0.2.2"
+source = "git+https://github.com/godot-rust/gdext?branch=master#6a5d19d5f8e7563730ccd4738e46f398726b222a"
 dependencies = [
  "gensym",
  "godot-bindings",
@@ -303,8 +303,8 @@ dependencies = [
 
 [[package]]
 name = "godot-macros"
-version = "0.2.0"
-source = "git+https://github.com/godot-rust/gdext?branch=master#d32d569ed61ef8427470acdc41e8e708828fe412"
+version = "0.2.2"
+source = "git+https://github.com/godot-rust/gdext?branch=master#6a5d19d5f8e7563730ccd4738e46f398726b222a"
 dependencies = [
  "godot-bindings",
  "proc-macro2",
@@ -394,9 +394,9 @@ dependencies = [
 
 [[package]]
 name = "js-sys"
-version = "0.3.74"
+version = "0.3.76"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a865e038f7f6ed956f788f0d7d60c541fff74c7bd74272c5d4cf15c63743e705"
+checksum = "6717b6b5b077764fb5966237269cb3c64edddde4b14ce42647430a78ced9e7b7"
 dependencies = [
  "once_cell",
  "wasm-bindgen",
@@ -416,9 +416,9 @@ checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
 
 [[package]]
 name = "libc"
-version = "0.2.167"
+version = "0.2.169"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "09d6582e104315a817dff97f75133544b2e094ee22447d2acf4a74e189ba06fc"
+checksum = "b5aba8db14291edd000dfcc4d620c7ebfb122c613afb886ca8803fa4e128a20a"
 
 [[package]]
 name = "libloading"
@@ -533,7 +533,7 @@ dependencies = [
  "rusqlite",
  "serde",
  "sqlite-vec",
- "thiserror 2.0.4",
+ "thiserror 2.0.9",
 ]
 
 [[package]]
@@ -569,9 +569,9 @@ checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
 
 [[package]]
 name = "pin-project-lite"
-version = "0.2.15"
+version = "0.2.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "915a1e146535de9163f3987b8944ed8cf49a18bb0056bcebcdcece385cece4ff"
+checksum = "3b3cff922bd51709b605d9ead9aa71031d81447142d828eb4a6eba76fe619f9b"
 
 [[package]]
 name = "pkg-config"
@@ -581,9 +581,9 @@ checksum = "953ec861398dccce10c670dfeaf3ec4911ca479e9c02154b3a215178c5f566f2"
 
 [[package]]
 name = "prettyplease"
-version = "0.2.25"
+version = "0.2.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "64d1ec885c64d0457d564db4ec299b2dae3f9c02808b8ad9c3a089c591b18033"
+checksum = "483f8c21f64f3ea09fe0f30f5d48c3e8eefe5dac9129f0075f76593b4c1da705"
 dependencies = [
  "proc-macro2",
  "syn",
@@ -600,9 +600,9 @@ dependencies = [
 
 [[package]]
 name = "quote"
-version = "1.0.37"
+version = "1.0.38"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b5b9d34b8991d19d98081b46eacdd8eb58c6f2b201139f7c5f643cc155a633af"
+checksum = "0e4dccaaaf89514f546c693ddc140f729f958c247918a13380cccc6078391acc"
 dependencies = [
  "proc-macro2",
 ]
@@ -677,24 +677,24 @@ checksum = "f3cb5ba0dc43242ce17de99c180e96db90b235b8a9fdc9543c96d2209116bd9f"
 
 [[package]]
 name = "self_cell"
-version = "1.0.4"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d369a96f978623eb3dc28807c4852d6cc617fed53da5d3c400feff1ef34a714a"
+checksum = "c2fdfc24bc566f839a2da4c4295b82db7d25a24253867d5c64355abb5799bdbe"
 
 [[package]]
 name = "serde"
-version = "1.0.215"
+version = "1.0.217"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6513c1ad0b11a9376da888e3e0baa0077f1aed55c17f50e7b2397136129fb88f"
+checksum = "02fc4265df13d6fa1d00ecff087228cc0a2b5f3c0e87e258d8b94a156e984c70"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.215"
+version = "1.0.217"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad1e866f866923f252f05c889987993144fb74e722403468a4ebd70c3cd756c0"
+checksum = "5a9bf7cf98d04a2b28aead066b7496853d4779c9cc183c440dbac457641e19a0"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -703,9 +703,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.133"
+version = "1.0.135"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7fceb2473b9166b2294ef05efcb65a3db80803f0b03ef86a5fc88a2b85ee377"
+checksum = "2b0d7ba2887406110130a978386c4e1befb98c674b4fba677954e4db976630d9"
 dependencies = [
  "itoa",
  "memchr",
@@ -736,9 +736,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.90"
+version = "2.0.95"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "919d3b74a5dd0ccd15aeb8f93e7006bd9e14c295087c9896a110f490752bcf31"
+checksum = "46f71c0377baf4ef1cc3e3402ded576dccc315800fbc62dfc7fe04b009773b4a"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -756,11 +756,11 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "2.0.4"
+version = "2.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2f49a1853cf82743e3b7950f77e0f4d622ca36cf4317cba00c767838bac8d490"
+checksum = "f072643fd0190df67a8bab670c20ef5d8737177d6ac6b2e9a236cb096206b2cc"
 dependencies = [
- "thiserror-impl 2.0.4",
+ "thiserror-impl 2.0.9",
 ]
 
 [[package]]
@@ -776,9 +776,9 @@ dependencies = [
 
 [[package]]
 name = "thiserror-impl"
-version = "2.0.4"
+version = "2.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8381894bb3efe0c4acac3ded651301ceee58a15d47c2e34885ed1908ad667061"
+checksum = "7b50fa271071aae2e6ee85f842e2e28ba8cd2c5fb67f11fcb1fd70b276f9e7d4"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -861,9 +861,9 @@ checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.97"
+version = "0.2.99"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d15e63b4482863c109d70a7b8706c1e364eb6ea449b201a76c5b89cedcec2d5c"
+checksum = "a474f6281d1d70c17ae7aa6a613c87fce69a127e2624002df63dcb39d6cf6396"
 dependencies = [
  "cfg-if",
  "once_cell",
@@ -872,13 +872,12 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.97"
+version = "0.2.99"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8d36ef12e3aaca16ddd3f67922bc63e48e953f126de60bd33ccc0101ef9998cd"
+checksum = "5f89bb38646b4f81674e8f5c3fb81b562be1fd936d84320f3264486418519c79"
 dependencies = [
  "bumpalo",
  "log",
- "once_cell",
  "proc-macro2",
  "quote",
  "syn",
@@ -887,9 +886,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.97"
+version = "0.2.99"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "705440e08b42d3e4b36de7d66c944be628d579796b8090bfa3471478a2260051"
+checksum = "2cc6181fd9a7492eef6fef1f33961e3695e4579b9872a6f7c83aee556666d4fe"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
@@ -897,9 +896,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.97"
+version = "0.2.99"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "98c9ae5a76e46f4deecd0f0255cc223cfa18dc9b261213b8aa0c7b36f61b3f1d"
+checksum = "30d7a95b763d3c45903ed6c81f156801839e5ee968bb07e534c44df0fcd330c2"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -910,9 +909,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.97"
+version = "0.2.99"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ee99da9c5ba11bd675621338ef6fa52296b76b83305e9b6e5c77d4c286d6d49"
+checksum = "943aab3fdaaa029a6e0271b35ea10b72b943135afe9bffca82384098ad0e06a6"
 
 [[package]]
 name = "which"
diff --git a/nobodywho/default.nix b/nobodywho/default.nix
index 9148a47..9e5dfb6 100644
--- a/nobodywho/default.nix
+++ b/nobodywho/default.nix
@@ -5,17 +5,31 @@ rustPlatform.buildRustPackage {
   pname = "nobody";
   version = "0.0.0";
   src = ./.;
-  nativeBuildInputs = [ llvmPackages_12.bintools cmake vulkan-headers vulkan-loader shaderc vulkan-tools mesa.drivers ];
-  buildInputs = [ vulkan-loader vulkan-headers shaderc vulkan-tools mesa.drivers ];
+  nativeBuildInputs = [
+    llvmPackages_12.bintools
+    cmake
+    rustPlatform.bindgenHook
+    vulkan-headers
+    vulkan-loader
+    shaderc
+    vulkan-tools
+    mesa.drivers
+  ];
+  buildInputs = [
+    vulkan-loader
+    vulkan-headers
+    shaderc
+    vulkan-tools
+    mesa.drivers
+  ];
   cargoLock = {
     lockFile = ./Cargo.lock;
     outputHashes = {
       "gdextension-api-0.2.1" = "sha256-YkMbzObJGnmQa1XGT4ApRrfqAeOz7CktJrhYks8z0RY=";
-      "godot-0.2.0" = "sha256-jv0SsEiVrjCcOCVgc43gsTRk6HTImyRkRpZQRQD6rwc=";
+      "godot-0.2.2" = "sha256-6q7BcQ/6WvzJdVmyAVGPMtuIDJFYKaRrkv3/JQBi11M=";
       "llama-cpp-2-0.1.86" = "sha256-Fe8WPO1NAISGGDkX5UWM8ubekYbnnAwEcKf0De5x9AQ=";
     };
   };
-  env.LIBCLANG_PATH = "${libclang.lib}/lib/libclang.so";
   env.TEST_MODEL = fetchurl {
     name = "gemma-2-2b-it-Q5_K_M.gguf";
     url = "https://huggingface.co/bartowski/gemma-2-2b-it-GGUF/resolve/main/gemma-2-2b-it-Q5_K_M.gguf";
@@ -27,22 +41,6 @@ rustPlatform.buildRustPackage {
     sha256 = "sha256-7Djo2hQllrqpExJK5QVQ3ihLaRa/WVd+8vDLlmDC9RQ=";
   };
 
-  # See: https://hoverbear.org/blog/rust-bindgen-in-nix/
-  preBuild = ''
-    # From: https://github.com/NixOS/nixpkgs/blob/1fab95f5190d087e66a3502481e34e15d62090aa/pkgs/applications/networking/browsers/firefox/common.nix#L247-L253
-    # Set C flags for Rust's bindgen program. Unlike ordinary C
-    # compilation, bindgen does not invoke $CC directly. Instead it
-    # uses LLVM's libclang. To make sure all necessary flags are
-    # included we need to look in a few places.
-    export BINDGEN_EXTRA_CLANG_ARGS="$(< ${stdenv.cc}/nix-support/libc-crt1-cflags) \
-      $(< ${stdenv.cc}/nix-support/libc-cflags) \
-      $(< ${stdenv.cc}/nix-support/cc-cflags) \
-      $(< ${stdenv.cc}/nix-support/libcxx-cxxflags) \
-      ${lib.optionalString stdenv.cc.isClang "-idirafter ${stdenv.cc.cc}/lib/clang/${lib.getVersion stdenv.cc.cc}/include"} \
-      ${lib.optionalString stdenv.cc.isGNU "-isystem ${stdenv.cc.cc}/include/c++/${lib.getVersion stdenv.cc.cc} -isystem ${stdenv.cc.cc}/include/c++/${lib.getVersion stdenv.cc.cc}/${stdenv.hostPlatform.config} -idirafter ${stdenv.cc.cc}/lib/gcc/${stdenv.hostPlatform.config}/${lib.getVersion stdenv.cc.cc}/include"} \
-    "
-  '';
-
   checkPhase = ''
     cargo test -- --test-threads=1 --nocapture
   '';

From 52427dbaf701ed48ae246c76401d41b463bfe1d0 Mon Sep 17 00:00:00 2001
From: AsbjornOlling <asbjornolling@gmail.com>
Date: Tue, 7 Jan 2025 16:00:52 +0100
Subject: [PATCH 10/20] try with mesa drivers

---
 .github/workflows/main.yml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index c99ba7e..50ac2a0 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -190,6 +190,10 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v4
+      - name: "Install deps from distro"
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y mesa-vulkan-drivers
       - uses: cachix/install-nix-action@v27
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}

From 3f635b50115a328bd4613535bb5bc39c3e4a0f71 Mon Sep 17 00:00:00 2001
From: AsbjornOlling <asbjornolling@gmail.com>
Date: Wed, 8 Jan 2025 15:20:21 +0100
Subject: [PATCH 11/20] a debug step

---
 .github/workflows/main.yml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 50ac2a0..1ed1ac2 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -193,7 +193,9 @@ jobs:
       - name: "Install deps from distro"
         run: |
           sudo apt-get update
-          sudo apt-get install -y mesa-vulkan-drivers
+          sudo apt-get install -y mesa-vulkan-drivers vulkan-tools
+      - name: "Debug: list vulkan drivers"
+        run: "vulkaninfo --summary"
       - uses: cachix/install-nix-action@v27
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}

From 0fa6bae127fdd3d353daf8ef8227fdacb75419d8 Mon Sep 17 00:00:00 2001
From: AsbjornOlling <asbjornolling@gmail.com>
Date: Wed, 8 Jan 2025 15:42:14 +0100
Subject: [PATCH 12/20] add missing drivers from flake check

---
 .github/workflows/main.yml | 11 ++---------
 flake.nix                  |  3 ++-
 2 files changed, 4 insertions(+), 10 deletions(-)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 1ed1ac2..f638d3d 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -186,21 +186,14 @@ jobs:
         run: cargo test -- --nocapture --test-threads=1
         working-directory: ./nobodywho
   
-  integration-test:
+  nix-flake-check:
     runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v4
-      - name: "Install deps from distro"
-        run: |
-          sudo apt-get update
-          sudo apt-get install -y mesa-vulkan-drivers vulkan-tools
-      - name: "Debug: list vulkan drivers"
-        run: "vulkaninfo --summary"
       - uses: cachix/install-nix-action@v27
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
-      - run: nix build '.#game'
-      - run: cd result && ./game --headless
+      - run: nix flake check
 
 
   zip-distributable:
diff --git a/flake.nix b/flake.nix
index 23527c1..5a8014c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -17,9 +17,10 @@
       });
       nobodywho = pkgs.callPackage ./nobodywho {};
       integration-test = pkgs.callPackage ./example-game { inherit nobodywho; };
-      run-integration-test = pkgs.runCommand "checkgame" {} ''
+      run-integration-test = pkgs.runCommand "checkgame" { nativeBuildInputs = with pkgs; [ mesa.drivers ]; } ''
         cd ${integration-test}
         ${pkgs.steam-run}/bin/steam-run ./game --headless
+        touch $out
       '';
     in
   {

From c391441cd69dd897bb556dd88e4a6a4f552ee9fb Mon Sep 17 00:00:00 2001
From: AsbjornOlling <asbjornolling@gmail.com>
Date: Wed, 8 Jan 2025 15:50:45 +0100
Subject: [PATCH 13/20] use cachix binary cache for faster builds

---
 .github/workflows/main.yml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index f638d3d..d0c5b85 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -193,6 +193,10 @@ jobs:
       - uses: cachix/install-nix-action@v27
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
+      - uses: cachix/cachix-action@vXX
+        with:
+          name: nobodywho
+          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
       - run: nix flake check
 
 

From c1e50fedcf90ebbe7c3bb0dbdbb0ccd35f0d69f9 Mon Sep 17 00:00:00 2001
From: AsbjornOlling <asbjornolling@gmail.com>
Date: Wed, 8 Jan 2025 15:51:43 +0100
Subject: [PATCH 14/20] set proper cachix action version

---
 .github/workflows/main.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index d0c5b85..28f57da 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -193,7 +193,7 @@ jobs:
       - uses: cachix/install-nix-action@v27
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
-      - uses: cachix/cachix-action@vXX
+      - uses: cachix/cachix-action@v15
         with:
           name: nobodywho
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'

From 8f09621ee50d32b3ef3f0e8014ef0a42814ec113 Mon Sep 17 00:00:00 2001
From: AsbjornOlling <asbjornolling@gmail.com>
Date: Wed, 8 Jan 2025 15:57:23 +0100
Subject: [PATCH 15/20] well, screw caching anyway

---
 .github/workflows/main.yml | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 28f57da..a5a274a 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -193,11 +193,16 @@ jobs:
       - uses: cachix/install-nix-action@v27
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
-      - uses: cachix/cachix-action@v15
-        with:
-          name: nobodywho
-          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
-      - run: nix flake check
+      - name: "Install deps from distro"
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y vulkan-tools
+      - name: "build integration test"
+        run: "nix flake build '.#game'"
+      - name: "run integration test"
+        run: |
+          cd result
+          ./game --headless
 
 
   zip-distributable:

From 6f765861faeed5d2b2df61e400010de8ca9eb96f Mon Sep 17 00:00:00 2001
From: AsbjornOlling <asbjornolling@gmail.com>
Date: Wed, 8 Jan 2025 15:59:49 +0100
Subject: [PATCH 16/20] rename game -> integration-test

---
 .github/workflows/main.yml | 2 +-
 flake.nix                  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index a5a274a..55573dc 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -198,7 +198,7 @@ jobs:
           sudo apt-get update
           sudo apt-get install -y vulkan-tools
       - name: "build integration test"
-        run: "nix flake build '.#game'"
+        run: "nix build '.#integration-test'"
       - name: "run integration test"
         run: |
           cd result
diff --git a/flake.nix b/flake.nix
index 5a8014c..0a6a23c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -25,7 +25,7 @@
     in
   {
       packages.default = nobodywho;
-      packages.game = integration-test;
+      packages.integration-test = integration-test;
       checks.default = run-integration-test;
       devShells.default = import ./nobodywho/shell.nix { inherit pkgs; };
   });

From 6e1352a5ecfd97dc25690a470a6d8c4ccfe76443 Mon Sep 17 00:00:00 2001
From: AsbjornOlling <asbjornolling@gmail.com>
Date: Wed, 8 Jan 2025 16:20:33 +0100
Subject: [PATCH 17/20] go back to pure nix flake check

---
 .github/workflows/main.yml | 17 +++--------------
 1 file changed, 3 insertions(+), 14 deletions(-)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 55573dc..664bc25 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -190,20 +190,9 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v27
-        with:
-          github_access_token: ${{ secrets.GITHUB_TOKEN }}
-      - name: "Install deps from distro"
-        run: |
-          sudo apt-get update
-          sudo apt-get install -y vulkan-tools
-      - name: "build integration test"
-        run: "nix build '.#integration-test'"
-      - name: "run integration test"
-        run: |
-          cd result
-          ./game --headless
-
+      - uses: nixbuild/nix-quick-install-action@v27
+      - name: "nix flake check"
+        run: "nix flake check -L"
 
   zip-distributable:
     needs: [cargo-build-linux, cargo-build-macos, cargo-build-windows]

From 36781e844513d5217297e80a14dc0aaf11efda26 Mon Sep 17 00:00:00 2001
From: AsbjornOlling <asbjornolling@gmail.com>
Date: Wed, 8 Jan 2025 16:37:37 +0100
Subject: [PATCH 18/20] run without steam-run

---
 flake.nix | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/flake.nix b/flake.nix
index 0a6a23c..47c2c4c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -7,19 +7,13 @@
   outputs = { nixpkgs, flake-utils, ... }:
     flake-utils.lib.eachDefaultSystem (system:
     let
-      pkgs = (import nixpkgs {
-        system = system;
-         config.allowUnfreePredicate = pkg: builtins.elem (pkgs.lib.getName pkg) [
-             "steam-run"
-             "steam-original"
-             "steam-unwrapped"
-         ];
-      });
+      pkgs = (import nixpkgs { system = system; });
       nobodywho = pkgs.callPackage ./nobodywho {};
       integration-test = pkgs.callPackage ./example-game { inherit nobodywho; };
       run-integration-test = pkgs.runCommand "checkgame" { nativeBuildInputs = with pkgs; [ mesa.drivers ]; } ''
         cd ${integration-test}
-        ${pkgs.steam-run}/bin/steam-run ./game --headless
+        export HOME=$TMPDIR
+        ./game --headless
         touch $out
       '';
     in

From ead833f762743ddc5db4ba5b7e81c30d55cd4c9f Mon Sep 17 00:00:00 2001
From: AsbjornOlling <asbjornolling@gmail.com>
Date: Wed, 8 Jan 2025 16:50:08 +0100
Subject: [PATCH 19/20] patch interpreter

---
 example-game/default.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/example-game/default.nix b/example-game/default.nix
index 72ed3b8..bee60ce 100644
--- a/example-game/default.nix
+++ b/example-game/default.nix
@@ -42,5 +42,8 @@ stdenv.mkDerivation {
 
     cp ${model} $out/gemma-2-2b-it-Q4_K_M.gguf
     cp ${embedding_model} $out/bge-small-en-v1.5-q8_0.gguf
+
+    # Patch binaries.
+    patchelf --set-interpreter $(cat $NIX_CC/nix-support/dynamic-linker) $out/game
   '';
 }

From febeea515ced81e1c5187da151219cc479c4753b Mon Sep 17 00:00:00 2001
From: AsbjornOlling <asbjornolling@gmail.com>
Date: Wed, 8 Jan 2025 16:50:39 +0100
Subject: [PATCH 20/20] use same model in unit tests and integration tests

---
 nobodywho/default.nix | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/nobodywho/default.nix b/nobodywho/default.nix
index 9e5dfb6..7965670 100644
--- a/nobodywho/default.nix
+++ b/nobodywho/default.nix
@@ -31,9 +31,9 @@ rustPlatform.buildRustPackage {
     };
   };
   env.TEST_MODEL = fetchurl {
-    name = "gemma-2-2b-it-Q5_K_M.gguf";
-    url = "https://huggingface.co/bartowski/gemma-2-2b-it-GGUF/resolve/main/gemma-2-2b-it-Q5_K_M.gguf";
-    sha256 = "1njh254wpsg2j4wi686zabg63n42fmkgdmf9v3cl1zbydybdardy";
+    name = "gemma-2-2b-it-Q4_K_M.gguf";
+    url = "https://huggingface.co/bartowski/gemma-2-2b-it-GGUF/resolve/main/gemma-2-2b-it-Q4_K_M.gguf";
+    hash = "sha256-4K7oUGDxaPDy2Ec9fqQc4vMjDBvBN0hHUF6lmSiKd4c=";
   };
   env.TEST_EMBEDDINGS_MODEL = fetchurl {
     name = "bge-small-en-v1.5-q8_0.gguf";