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/networking/shadowsocks-rust/default.nix

@@ -0,0 +1,44 @@
+{ lib, stdenv, fetchFromGitHub, rustPlatform, pkg-config, openssl, CoreServices, libiconv }:
+
+rustPlatform.buildRustPackage rec {
+  pname = "shadowsocks-rust";
+  version = "1.14.3";
+
+  src = fetchFromGitHub {
+    rev = "v${version}";
+    owner = "shadowsocks";
+    repo = pname;
+    sha256 = "sha256-tRiziyCw1Qpm22RtZHeKt4VFReJidFHsPxPSjxIA3hA=";
+  };
+
+  cargoSha256 = "sha256-snnzNb1yJ8L5pMvNNEIf5hZOpFV6DKOWGtGP1T3YTWg=";
+
+  RUSTC_BOOTSTRAP = 1;
+
+  nativeBuildInputs = [ pkg-config ];
+
+  buildInputs = [ openssl ]
+    ++ lib.optionals stdenv.isDarwin [ CoreServices libiconv ];
+
+  cargoBuildFlags = [
+    "--features=aead-cipher-extra,local-dns,local-http-native-tls,local-redir,local-tun"
+  ];
+
+  # all of these rely on connecting to www.example.com:80
+  checkFlags = [
+    "--skip=http_proxy"
+    "--skip=tcp_tunnel"
+    "--skip=udp_tunnel"
+    "--skip=udp_relay"
+    "--skip=socks4_relay_connect"
+    "--skip=socks5_relay_aead"
+    "--skip=socks5_relay_stream"
+  ];
+
+  meta = with lib; {
+    homepage = "https://github.com/shadowsocks/shadowsocks-rust";
+    description = "A Rust port of shadowsocks";
+    license = licenses.mit;
+    maintainers = [ maintainers.marsam ];
+  };
+}