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/flexget/default.nix

@@ -0,0 +1,80 @@
+{ lib
+, python3Packages
+, fetchFromGitHub
+}:
+
+python3Packages.buildPythonApplication rec {
+  pname = "flexget";
+  version = "3.3.15";
+
+  # Fetch from GitHub in order to use `requirements.in`
+  src = fetchFromGitHub {
+    owner = "flexget";
+    repo = "flexget";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-SNAhuiUO8f92LAdnV9q04xK4yT+AVAS+YAHPPtHdMYI=";
+  };
+
+  postPatch = ''
+    # Symlink requirements.in because upstream uses `pip-compile` which yields
+    # python-version dependent requirements
+    ln -sf requirements.in requirements.txt
+
+    # remove dependency constraints
+    sed 's/[~<>=].*//' -i requirements.txt
+
+    # "zxcvbn-python" was renamed to "zxcvbn", and we don't have the former in
+    # nixpkgs. See: https://github.com/NixOS/nixpkgs/issues/62110
+    substituteInPlace requirements.txt --replace "zxcvbn-python" "zxcvbn"
+  '';
+
+  # ~400 failures
+  doCheck = false;
+
+  propagatedBuildInputs = with python3Packages; [
+    # See https://github.com/Flexget/Flexget/blob/master/requirements.in
+    APScheduler
+    beautifulsoup4
+    click
+    colorama
+    feedparser
+    guessit
+    html5lib
+    jinja2
+    jsonschema
+    loguru
+    more-itertools
+    psutil
+    pynzb
+    PyRSS2Gen
+    python-dateutil
+    pyyaml
+    rebulk
+    requests
+    rich
+    rpyc
+    sqlalchemy
+
+    # WebUI requirements
+    cherrypy
+    flask-compress
+    flask-cors
+    flask_login
+    flask-restful
+    flask-restx
+    flask
+    pyparsing
+    werkzeug
+    zxcvbn
+
+    # Plugins requirements
+    transmission-rpc
+  ];
+
+  meta = with lib; {
+    homepage = "https://flexget.com/";
+    description = "Multipurpose automation tool for all of your media";
+    license = licenses.mit;
+    maintainers = with maintainers; [ marsam ];
+  };
+}