{
  # Snowfall Lib provides a customized `lib` instance with access to your flake's library
  # as well as the libraries available from your flake's inputs.
  lib,
  # You also have access to your flake's inputs.
  inputs,

  # All other arguments come from NixPkgs. You can use `pkgs` to pull packages or helpers
  # programmatically or you may add the named attributes as arguments here.
  pkgs,
  stdenv,
  ...
}:

pkgs.writeShellApplication {
  name = "conda-direnv";

  runtimeInputs = with pkgs; [
    conda
    yq
  ];

  text = ''
    if [ ! -f environment.yml ]; then
       echo "environment.yml does not exist! Exiting..."
       exit 1
    fi

    ENV_NAME=$(${pkgs.yq}/bin/yq ".name" environment.yml -r)
    if [ "$ENV_NAME" == "" ] || [ "$ENV_NAME" == "null" ]; then
        echo "Property \"name\" not in environment.yml or empty! Exiting..."
        exit 1
    fi

    echo Welcome to your conda environment "$ENV_NAME"! Activating...

    condanew() {
        conda env create -f environment.yml -n $ENV_NAME
        conda activate $ENV_NAME
    }

    exec ${pkgs.conda}/bin/conda-shell
    conda activate $ENV_NAME || condanew

    echo "Environment active! To update it, run:"
    echo -e "\tconda env update -f environment.yml -n $ENV_NAME"

    "$SHELL" # needs to be last line so that conda-shell actually enters a shell
  '';
}