{ fetchFromGitHub, nettools, python
, twisted, foolscap, nevow, zfec
, setuptools, setuptoolsTrial, pyasn1, zope_interface
, service-identity, pyyaml, magic-wormhole, treq, appdirs
, beautifulsoup4, eliot, autobahn, cryptography
}:
python.pkgs.buildPythonPackage rec {
  version = "1.14.0.dev";
  name = "tahoe-lafs-${version}";
  src = fetchFromGitHub {
    owner = "LeastAuthority";
    repo = "tahoe-lafs";
    # A branch of master with the storage plugin web resource reuse issue
    # resolved.  https://tahoe-lafs.org/trac/tahoe-lafs/ticket/3265
    rev = "1fef61981940bbd63ffc4242c3b589258622d117";
    sha256 = "0kgkg7wd0nkj8f5p46341vjkr6nz3kf0fimd44d9kypm4rn8xczv";
  };

  postPatch = ''
    sed -i "src/allmydata/util/iputil.py" \
        -es"|_linux_path = '/sbin/ifconfig'|_linux_path = '${nettools}/bin/ifconfig'|g"

    # Chroots don't have /etc/hosts and /etc/resolv.conf, so work around
    # that.
    for i in $(find src/allmydata/test -type f)
    do
      sed -i "$i" -e"s/localhost/127.0.0.1/g"
    done
  '';


  propagatedBuildInputs = with python.pkgs; [
    twisted foolscap nevow zfec appdirs
    setuptoolsTrial pyasn1 zope_interface
    service-identity pyyaml magic-wormhole treq
    beautifulsoup4 eliot autobahn cryptography setuptools
  ];

  checkInputs = with python.pkgs; [
    hypothesis
    testtools
    fixtures
  ];

  checkPhase = ''
    $out/bin/tahoe --version
  '';
}