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/development/compilers/elm/packages/elm-test-rs.nix

@@ -0,0 +1,31 @@
+{ lib, rustPlatform, fetchurl, openssl, stdenv, darwin }:
+
+rustPlatform.buildRustPackage rec {
+  pname = "elm-test-rs";
+  version = "2.0";
+
+  src = fetchurl {
+    url = "https://github.com/mpizenberg/elm-test-rs/archive/v${version}.tar.gz";
+    sha256 = "sha256:1manr42w613r9vyji7pxx5gb08jcgkdxv29qqylrqlwxa8d5dcid";
+  };
+
+  buildInputs = lib.optionals (!stdenv.isDarwin) [
+    openssl
+  ] ++ lib.optionals stdenv.isDarwin (with darwin.apple_sdk.frameworks; [
+    Security
+    CoreServices
+  ]);
+
+  cargoSha256 = "sha256:1dpdlzv96kpc25yf5jgsz9qldghyw35x382qpxhkadkn5dryzjvd";
+  verifyCargoDeps = true;
+
+  # Tests perform networking and therefore can't work in sandbox
+  doCheck = false;
+
+  meta = with lib; {
+    description = "Fast and portable executable to run your Elm tests";
+    homepage = "https://github.com/mpizenberg/elm-test-rs";
+    license = licenses.bsd3;
+    maintainers = [ maintainers.jpagex ];
+  };
+}