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/dogdns/default.nix

@@ -0,0 +1,49 @@
+{ lib
+, rustPlatform
+, fetchFromGitHub
+, installShellFiles
+, stdenv
+, pkg-config
+, openssl
+, just
+, pandoc
+, Security
+}:
+
+rustPlatform.buildRustPackage rec {
+  pname = "dogdns";
+  version = "unstable-2021-10-07";
+
+  src = fetchFromGitHub {
+    owner = "ogham";
+    repo = "dog";
+    rev = "721440b12ef01a812abe5dc6ced69af6e221fad5";
+    sha256 = "sha256-y3T0vXg7631FZ4bzcbQjz3Buui/DFxh9LG8BZWwynp0=";
+  };
+
+  nativeBuildInputs = [ installShellFiles just pandoc ]
+    ++ lib.optionals stdenv.isLinux [ pkg-config ];
+  buildInputs = lib.optionals stdenv.isLinux [ openssl ]
+    ++ lib.optionals stdenv.isDarwin [ Security ];
+
+  outputs = [ "out" "man" ];
+
+  postBuild = ''
+    just man
+  '';
+
+  cargoSha256 = "sha256-agepQVJbqbjzFbEBKbM7BNxc8FlklOrCsTgCAOcuptc=";
+
+  postInstall = ''
+    installShellCompletion completions/dog.{bash,fish,zsh}
+    installManPage ./target/man/*.1
+  '';
+
+  meta = with lib; {
+    description = "Command-line DNS client";
+    homepage = "https://dns.lookup.dog";
+    license = licenses.eupl12;
+    maintainers = with maintainers; [ bbigras ma27 ];
+    mainProgram = "dog";
+  };
+}