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/webdav-server-rs/default.nix

@@ -0,0 +1,47 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, rustPlatform
+, libtirpc
+, pam
+, rpcsvc-proto
+, enablePAM ? stdenv.isLinux
+}:
+
+rustPlatform.buildRustPackage rec {
+  pname = "webdav-server-rs";
+  # The v0.4.0 tag cannot build.  So we use the 547602e commit.
+  version = "unstable-2021-08-16";
+
+  src = fetchFromGitHub {
+    owner = "miquels";
+    repo = pname;
+    rev = "547602e78783935b4ddd038fb795366c9c476bcc";
+    sha256 = "sha256-nTygUEjAUXD0mRTmjt8/UPVfZA4rP6oop1s/fI5mYeg=";
+  };
+
+  cargoHash = "sha256-TDDfGQig4i/DpsilTPqMQ1oT0mXK5DKlZmwsPPLrzFc=";
+
+  buildInputs = [ libtirpc ] ++ lib.optional enablePAM pam;
+  nativeBuildInputs = [ rpcsvc-proto ];
+
+  buildNoDefaultFeatures = true;
+  buildFeatures = [ "quota" ] ++ lib.optional enablePAM "pam";
+
+  postPatch = ''
+    substituteInPlace fs_quota/build.rs \
+       --replace '/usr/include/tirpc' '${libtirpc.dev}/include/tirpc'
+  '';
+
+  meta = with lib; {
+    description = "An implementation of WebDAV server in Rust";
+    longDescription = ''
+      webdav-server-rs is an implementation of WebDAV with full support for
+      RFC4918.  It also supports local unix accounts, PAM authentication, and
+      quota.
+    '';
+    homepage = "https://github.com/miquels/webdav-server-rs";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ pmy ];
+  };
+}