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/cocotb/default.nix

@@ -0,0 +1,58 @@
+{ lib
+, stdenv
+, buildPythonPackage
+, fetchPypi
+, setuptools
+, setuptools-scm
+, cocotb-bus
+, pytestCheckHook
+, swig
+, verilog
+}:
+
+buildPythonPackage rec {
+  pname = "cocotb";
+  version = "1.6.2";
+
+  # - we need to use the tarball from PyPi
+  #   or the full git checkout (with .git)
+  # - using fetchFromGitHub will cause a build failure,
+  #   because it does not include required metadata
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-SY+1727DbWMg6CnmHw8k/VP0dwBRYszn+YyyvZXgvUs=";
+  };
+
+  nativeBuildInputs = [ setuptools-scm ];
+
+  buildInputs = [ setuptools ];
+
+  postPatch = ''
+    patchShebangs bin/*.py
+
+    # POSIX portability (TODO: upstream this)
+    for f in \
+      cocotb/share/makefiles/Makefile.* \
+      cocotb/share/makefiles/simulators/Makefile.*
+    do
+      substituteInPlace $f --replace 'shell which' 'shell command -v'
+    done
+
+    # remove circular dependency cocotb-bus from setup.py
+    substituteInPlace setup.py --replace "'cocotb-bus<1.0'" ""
+  '';
+
+  checkInputs = [ cocotb-bus pytestCheckHook swig verilog ];
+
+  checkPhase = ''
+    export PATH=$out/bin:$PATH
+  '';
+
+  meta = with lib; {
+    description = "Coroutine based cosimulation library for writing VHDL and Verilog testbenches in Python";
+    homepage = "https://github.com/cocotb/cocotb";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ matthuszagh ];
+    broken = stdenv.isDarwin;
+  };
+}