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/embedded/fpga/apio/default.nix

@@ -0,0 +1,75 @@
+{ lib
+, buildPythonApplication
+, fetchFromGitHub
+, click
+, semantic-version
+, requests
+, colorama
+, pyserial
+, wheel
+, scons
+, setuptools
+, tinyprog
+, pytestCheckHook
+}:
+
+buildPythonApplication rec {
+  pname = "apio";
+  version = "0.8.1";
+  format = "flit";
+
+  src = fetchFromGitHub {
+    owner = "FPGAwars";
+    repo = "apio";
+    rev = "v${version}";
+    sha256 = "sha256-04qAGTzusMT3GsaRxDoXNJK1Mslzxu+ugQclBJx8xzE=";
+  };
+
+  postPatch = ''
+    substituteInPlace pyproject.toml \
+      --replace 'scons==4.2.0' 'scons' \
+      --replace '==' '>='
+
+    substituteInPlace apio/managers/scons.py --replace \
+      'return "tinyprog --libusb --program"' \
+      'return "${tinyprog}/bin/tinyprog --libusb --program"'
+    substituteInPlace apio/util.py --replace \
+      '_command = join(get_bin_dir(), "tinyprog")' \
+      '_command = "${tinyprog}/bin/tinyprog"'
+
+    # semantic-version seems to not support version numbers like the one of tinyprog in Nixpkgs (1.0.24.dev114+gxxxxxxx).
+    # See https://github.com/rbarrois/python-semanticversion/issues/47.
+    # This leads to an error like "Error: Invalid version string: '1.0.24.dev114+g97f6353'"
+    # when executing "apio upload" for a TinyFPGA.
+    # Replace the dot with a dash to work around this problem.
+    substituteInPlace apio/managers/scons.py --replace \
+        'version = semantic_version.Version(pkg_version)' \
+        'version = semantic_version.Version(pkg_version.replace(".dev", "-dev"))'
+  '';
+
+  propagatedBuildInputs = [
+    click
+    semantic-version
+    requests
+    colorama
+    pyserial
+    wheel
+    scons
+    setuptools # needs pkg_resources at runtime (technically not needed when tinyprog is also in this list because of the propagatedBuildInputs of tinyprog)
+
+    tinyprog # needed for upload to TinyFPGA
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  pytestFlagsArray = [ "--offline" ];
+
+  meta = with lib; {
+    description = "Open source ecosystem for open FPGA boards";
+    homepage = "https://github.com/FPGAwars/apio";
+    license = licenses.gpl2Only;
+    maintainers = with maintainers; [ Luflosi ];
+  };
+}