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/servers/reproxy/default.nix

@@ -0,0 +1,44 @@
+{ lib, stdenv, buildGoModule, fetchFromGitHub }:
+
+buildGoModule rec {
+  pname = "reproxy";
+  version = "0.11.0";
+
+  src = fetchFromGitHub {
+    owner = "umputun";
+    repo = pname;
+    rev = "v${version}";
+    hash = "sha256-3kpGeG60WSpcIqVLw437gkDT8XLsDyhGL8/sEnhTgBw=";
+  };
+
+  postPatch = ''
+    # Requires network access
+    substituteInPlace app/main_test.go \
+      --replace "Test_Main" "Skip_Main"
+    substituteInPlace app/proxy/proxy_test.go \
+      --replace "TestHttp_matchHandler" "SkipHttp_matchHandler"
+  '' + lib.optionalString stdenv.isDarwin ''
+    # Fails on Darwin.
+    # https://github.com/umputun/reproxy/issues/77
+    substituteInPlace app/discovery/provider/file_test.go \
+      --replace "TestFile_Events" "SkipFile_Events" \
+      --replace "TestFile_Events_BusyListener" "SkipFile_Events_BusyListener"
+  '';
+
+  vendorSha256 = null;
+
+  ldflags = [
+    "-s" "-w" "-X main.revision=${version}"
+  ];
+
+  installPhase = ''
+    install -Dm755 $GOPATH/bin/app $out/bin/reproxy
+  '';
+
+  meta = with lib; {
+    description = "Simple edge server / reverse proxy";
+    homepage = "https://reproxy.io/";
+    license = licenses.mit;
+    maintainers = with maintainers; [ sikmir ];
+  };
+}