default.nix: filter `flake.lock` from source

default.nix

@@ -22,6 +22,7 @@ rustPlatform.buildRustPackage rec {
       ])
       (type == "regular" && lib.elem baseName [
         "flake.nix"
+        "flake.lock"
         "default.nix"
         "module.nix"
         ".envrc"

flake.nix

@@ -38,7 +38,9 @@
         package = self.packages.${system}.greg-ng-wrapped;
       in {
         type = "app";
-        program = lib.getExe package;
+        program = toString (pkgs.writeShellScript "greg-ng" ''
+          ${lib.getExe package} --mpv-socket-path /tmp/greg-ng-mpv.sock -vvvv
+        '');
       };
     });