uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/tools/graphics/amber/default.nix

@@ -0,0 +1,95 @@
+{ lib, stdenv
+, fetchFromGitHub
+, cmake
+, pkg-config
+, python3
+, vulkan-headers
+, vulkan-loader
+}:
+let
+  glslang = fetchFromGitHub {
+    owner = "KhronosGroup";
+    repo = "glslang";
+    rev = "81cc10a498b25a90147cccd6e8939493c1e9e20e";
+    hash = "sha256-jTOxZ1nU7kvtdWjPzyIp/5ZeKw3JtYyqhlFeIE7CyX8=";
+  };
+
+  lodepng = fetchFromGitHub {
+    owner = "lvandeve";
+    repo = "lodepng";
+    rev = "5601b8272a6850b7c5d693dd0c0e16da50be8d8d";
+    hash = "sha256-dD8QoyOoGov6VENFNTXWRmen4nYYleoZ8+4TpICNSpo=";
+  };
+
+  shaderc = fetchFromGitHub {
+    owner = "google";
+    repo = "shaderc";
+    rev = "e72186b66bb90ed06aaf15cbdc9a053581a0616b";
+    hash = "sha256-hd1IGsWksgAfB8Mq5yZOzSyNGxXsCJxb350pD/Gcskk=";
+  };
+
+  spirv-headers = fetchFromGitHub {
+    owner = "KhronosGroup";
+    repo = "SPIRV-Headers";
+    rev = "b42ba6d92faf6b4938e6f22ddd186dbdacc98d78";
+    hash = "sha256-ks9JCj5rj+Xu++7z5RiHDkU3/sFXhcScw8dATfB/ot0=";
+  };
+
+  spirv-tools = fetchFromGitHub {
+    owner = "KhronosGroup";
+    repo = "SPIRV-Tools";
+    rev = "a73e724359a274d7cf4f4248eba5be1e7764fbfd";
+    hash = "sha256-vooJHtgVRlBNkQG4hulYOxIgHH4GMhXw7N4OEbkKJvU=";
+  };
+
+in
+stdenv.mkDerivation rec {
+  pname = "amber";
+  version = "unstable-2022-04-21";
+
+  src = fetchFromGitHub {
+    owner = "google";
+    repo = pname;
+    rev = "8b145a6c89dcdb4ec28173339dd176fb7b6f43ed";
+    hash = "sha256-+xFYlUs13khT6r475eJJ+XS875h2sb+YbJ8ZN4MOSAA=";
+  };
+
+  buildInputs = [
+    vulkan-headers
+    vulkan-loader
+  ];
+
+  nativeBuildInputs = [
+    cmake
+    pkg-config
+    python3
+  ];
+
+  # Tests are disabled so we do not have to pull in googletest and more dependencies
+  cmakeFlags = [ "-DAMBER_SKIP_TESTS=ON" ];
+
+  prePatch = ''
+    cp -r ${glslang}/ third_party/glslang
+    cp -r ${lodepng}/ third_party/lodepng
+    cp -r ${shaderc}/ third_party/shaderc
+    cp -r ${spirv-tools}/ third_party/spirv-tools
+    cp -r ${spirv-headers}/ third_party/spirv-headers
+    chmod u+w -R third_party
+
+    substituteInPlace CMakeLists.txt \
+      --replace "-Werror" ""
+    substituteInPlace tools/update_build_version.py \
+      --replace "not os.path.exists(directory)" "True"
+  '';
+
+  installPhase = ''
+    install -Dm755 -t $out/bin amber image_diff
+  '';
+
+  meta = with lib; {
+    description = "Multi-API shader test framework";
+    homepage = "https://github.com/google/amber";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ Flakebi ];
+  };
+}