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/tools/networking/linkchecker/default.nix

@@ -0,0 +1,54 @@
+{ stdenv, lib, fetchFromGitHub, python3Packages, gettext }:
+
+with python3Packages;
+
+buildPythonApplication rec {
+  pname = "linkchecker";
+  version = "10.0.1";
+
+  src = fetchFromGitHub {
+    owner = pname;
+    repo = pname;
+    rev = "v" + version;
+    sha256 = "sha256-OOssHbX9nTCURpMKIy+95ZTvahuUAabLUhPnRp3xpN4=";
+  };
+
+  nativeBuildInputs = [ gettext ];
+
+  propagatedBuildInputs = [
+    configargparse
+    argcomplete
+    beautifulsoup4
+    pyopenssl
+    dnspython
+    pyxdg
+    requests
+  ];
+
+  checkInputs = [
+    parameterized
+    pytest
+  ];
+
+  postPatch = ''
+    sed -i 's/^requests.*$/requests>=2.2/' requirements.txt
+    sed -i "s/'request.*'/'requests >= 2.2'/" setup.py
+  '';
+
+  # test_timeit2 is flakey, and depends sleep being precise to the milisecond
+  checkPhase = ''
+    ${lib.optionalString stdenv.isDarwin ''
+      # network tests fails on darwin
+      rm tests/test_network.py tests/checker/test_http*.py tests/checker/test_content_allows_robots.py tests/checker/test_noproxy.py
+    ''}
+      pytest --ignore=tests/checker/{test_telnet,telnetserver}.py \
+        -k 'not TestLoginUrl and not test_timeit2'
+  '';
+
+  meta = {
+    description = "Check websites for broken links";
+    homepage = "https://linkcheck.github.io/linkchecker/";
+    license = lib.licenses.gpl2;
+    maintainers = with lib.maintainers; [ peterhoeg tweber ];
+  };
+}