{
# 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 = "home-update-flake";

  runtimeInputs = with pkgs; [ ];

  text = ''
    # Exit when errors occur
    set -e

    echo "Updating flake..."
    nix flake update ~/.dotfiles

    set +e
    git -C ~/.dotfiles diff --quiet flake.lock
    LOCK_FILE_CHANGED=$?
    set -e
    if [[ $LOCK_FILE_CHANGED == 1 ]]; then
        CURRENT_GENERATION=$(home-manager generations | head -n 1 | cut -d " " -f 5)

        echo "found current gen"

        MESSAGE="Update flake at home-manager generation $CURRENT_GENERATION"

        git -C ~/.dotfiles commit flake.lock -m "$MESSAGE"
        echo "Updated flake.lock file committed to git!"
    else
        echo "No updates available."
    fi
  '';
}