anchor.diff:      ln -s ${native}/lib/libvdirsyncer_rustext* rust/target/release/
     '';
   
  -  LC_ALL = "en_US.utf8";
  -
     checkPhase = ''
       rm -rf vdirsyncer
       export PYTHONPATH=$out/${python3Packages.python.sitePackages}:$PYTHONPATH
  
positive.code: { stdenv, python3Packages, fetchFromGitHub, fetchpatch, glibcLocales, rustPlatform, pkgconfig, openssl, Security }:
  
  # Packaging documentation at:
  # https://github.com/untitaker/vdirsyncer/blob/master/docs/packaging.rst
  
negative.code:     shippai
    ];
  
    nativeBuildInputs = with python3Packages; [ setuptools_scm ];
  
    checkInputs = with python3Packages; [ hypothesis pytest pytest-localserver pytest-subtesthack ];
  
    patches = [
      # Fixes for hypothesis: https://github.com/pimutils/vdirsyncer/pull/779
  