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/virtualization/lxd-image-server/default.nix

@@ -0,0 +1,50 @@
+{ lib
+, openssl
+, rsync
+, python3
+, fetchFromGitHub
+, nixosTests
+}:
+
+python3.pkgs.buildPythonApplication rec {
+  pname = "lxd-image-server";
+  version = "0.0.4";
+
+  src = fetchFromGitHub {
+    owner = "Avature";
+    repo = "lxd-image-server";
+    rev = version;
+    sha256 = "yx8aUmMfSzyWaM6M7+WcL6ouuWwOpqLzODWSdNgwCwo=";
+  };
+
+  patches = [
+    ./state.patch
+    ./run.patch
+  ];
+
+  propagatedBuildInputs = with python3.pkgs; [
+    setuptools
+    attrs
+    click
+    inotify
+    cryptography
+    confight
+    python-pidfile
+  ];
+
+  makeWrapperArgs = [
+    ''--prefix PATH ':' "${lib.makeBinPath [ openssl rsync ]}"''
+  ];
+
+  doCheck = false;
+
+  passthru.tests.lxd-image-server = nixosTests.lxd-image-server;
+
+  meta = with lib; {
+    description = "Creates and manages a simplestreams lxd image server on top of nginx";
+    homepage = "https://github.com/Avature/lxd-image-server";
+    license = licenses.asl20;
+    platforms = platforms.unix;
+    maintainers = with maintainers; [ mkg20001 ];
+  };
+}