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/development/python-modules/i-pi/default.nix

@@ -0,0 +1,41 @@
+{ buildPythonPackage, lib, fetchFromGitHub, gfortran
+, makeWrapper, numpy, pytest, mock, pytest-mock
+} :
+
+buildPythonPackage rec {
+  pname = "i-pi";
+  version = "2.4.0";
+
+  src = fetchFromGitHub {
+    owner = "i-pi";
+    repo = "i-pi";
+    rev = "v${version}";
+    sha256 = "0d0ag57aa0fsqjwya27fyj8alimjvlxzgh6hxjqy1k4ap9h3n1cy";
+  };
+
+  nativeBuildInputs = [
+    gfortran
+    makeWrapper
+  ];
+
+  propagatedBuildInputs = [ numpy ];
+
+  checkInputs = [
+    pytest
+    mock
+    pytest-mock
+  ];
+
+  postFixup = ''
+    wrapProgram $out/bin/i-pi \
+      --set IPI_ROOT $out
+  '';
+
+  meta = with lib; {
+    description = "A universal force engine for ab initio and force field driven (path integral) molecular dynamics";
+    license = with licenses; [ gpl3Only mit ];
+    homepage = "http://ipi-code.org/";
+    platforms = platforms.linux;
+    maintainers = [ maintainers.sheepforce ];
+  };
+}