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/pytest-cram/default.nix

@@ -0,0 +1,34 @@
+{ lib, buildPythonPackage, fetchPypi, pytest, cram, bash }:
+
+buildPythonPackage rec {
+  version = "0.2.2";
+  pname = "pytest-cram";
+
+  checkInputs = [ pytest ];
+  propagatedBuildInputs = [ cram ];
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0405ymmrsv6ii2qhq35nxfjkb402sdb6d13xnk53jql3ybgmiqq0";
+    extension = "tar.gz";
+  };
+
+  postPatch = ''
+    substituteInPlace pytest_cram/tests/test_options.py \
+      --replace "/bin/bash" "${bash}/bin/bash"
+  '';
+
+  # Remove __init__.py from tests folder, otherwise pytest raises an error that
+  # the imported and collected modules are different.
+  checkPhase = ''
+    rm pytest_cram/tests/__init__.py
+    pytest pytest_cram/ --ignore=pytest_cram/tests/test_examples.py
+  '';
+
+  meta = {
+    description = "Test command-line applications with pytest and cram";
+    homepage = "https://github.com/tbekolay/pytest-cram";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ jluttine ];
+  };
+}