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/rainbowstream/default.nix

@@ -0,0 +1,80 @@
+{ lib
+, arrow
+, buildPythonPackage
+, fetchFromGitHub
+, freetype
+, glibcLocales
+, libjpeg
+, pillow
+, pocket
+, pyfiglet
+, pysocks
+, python
+, python-dateutil
+, requests
+, twitter
+, zlib
+}:
+
+buildPythonPackage rec {
+  pname = "rainbowstream";
+  version = "1.5.5";
+
+  src = fetchFromGitHub {
+    owner = "orakaro";
+    repo = pname;
+    # Request for tagging, https://github.com/orakaro/rainbowstream/issues/314
+    rev = "96141fac10675e0775d703f65a59c4477a48c57e";
+    sha256 = "0j0qcc428lk9b3l0cr2j418gd6wd5k4160ham2zn2mmdmxn5bldg";
+  };
+
+  buildInputs = [
+    freetype
+    glibcLocales
+    libjpeg
+    zlib
+  ];
+
+  propagatedBuildInputs = [
+    arrow
+    pillow
+    pocket
+    pyfiglet
+    pysocks
+    python-dateutil
+    requests
+    twitter
+  ];
+
+  patches = [ ./image.patch ];
+
+  postPatch = ''
+    clib=$out/${python.sitePackages}/rainbowstream/image.so
+    substituteInPlace rainbowstream/c_image.py \
+      --replace @CLIB@ $clib
+    sed -i 's/requests.*"/requests"/' setup.py
+  '';
+
+  LC_ALL = "en_US.UTF-8";
+
+  postInstall = ''
+    mkdir -p $out/lib
+    cc -fPIC -shared -o $clib rainbowstream/image.c
+    for prog in "$out/bin/"*; do
+      wrapProgram "$prog" \
+        --prefix PYTHONPATH : "$PYTHONPATH"
+    done
+  '';
+
+  # Project has no tests
+  doCheck = false;
+
+  pythonImportsCheck = [ "rainbowstream" ];
+
+  meta = with lib; {
+    description = "Streaming command-line twitter client";
+    homepage = "https://github.com/orakaro/rainbowstream";
+    license = licenses.mit;
+    maintainers = with maintainers; [ thoughtpolice ];
+  };
+}