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/applications/networking/feedreaders/rss2email/default.nix

@@ -0,0 +1,50 @@
+{ pythonPackages, fetchurl, lib, nixosTests }:
+
+with pythonPackages;
+
+buildPythonApplication rec {
+  pname = "rss2email";
+  version = "3.13.1";
+
+  propagatedBuildInputs = [ feedparser html2text ];
+  checkInputs = [ beautifulsoup4 ];
+
+  src = fetchurl {
+    url = "mirror://pypi/r/rss2email/${pname}-${version}.tar.gz";
+    sha256 = "3994444766874bb35c9f886da76f3b24be1cb7bbaf40fad12b16f2af80ac1296";
+  };
+
+  outputs = [ "out" "man" "doc" ];
+
+  postPatch = ''
+    # sendmail executable is called from PATH instead of sbin by default
+    sed -e 's|/usr/sbin/sendmail|sendmail|' \
+        -i rss2email/config.py
+  '';
+
+  postInstall = ''
+    install -Dm 644 r2e.1 $man/share/man/man1/r2e.1
+    # an alias for better finding the manpage
+    ln -s -T r2e.1 $man/share/man/man1/rss2email.1
+
+    # copy documentation
+    mkdir -p $doc/share/doc/rss2email
+    cp AUTHORS COPYING CHANGELOG README.rst $doc/share/doc/rss2email/
+  '';
+
+  checkPhase = ''
+    runHook preCheck
+    env PATH=$out/bin:$PATH python ./test/test.py
+    runHook postCheck
+  '';
+
+  meta = with lib; {
+    description = "A tool that converts RSS/Atom newsfeeds to email";
+    homepage = "https://pypi.python.org/pypi/rss2email";
+    license = licenses.gpl2;
+    maintainers = with maintainers; [ Profpatsch ekleog ];
+  };
+  passthru.tests = {
+    smoke-test = nixosTests.rss2email;
+  };
+}