{ pkgs, ... }:
pkgs.writeShellApplication {
  name = "cache";
  meta.description = "Access the website's attic cache.";
  runtimeInputs = [
    pkgs.attic-client
    pkgs.findutils
    pkgs.gnugrep
  ];
  text = ''
    SERVER="https://attic.qo.is/"
    CACHE_NAME="qois"
    CACHE_REPO="$CACHE_NAME:qois-infrastructure"
    if [ -z "$ATTIC_AUTH_TOKEN" ]; then
      echo "Please set the \$ATTIC_AUTH_TOKEN environment variable to access the cache."
      exit 3
    fi
    attic login "$CACHE_NAME" "$SERVER" "$ATTIC_AUTH_TOKEN"

    case "$1" in
      use)
        attic use "$CACHE_REPO"
      ;;
      push)
        RESULT_PATH="./result"
        # Add build dependencies as well
        nix-store -qR --include-outputs "$(nix-store -qd $RESULT_PATH)"   | grep -v '\.drv$' \
          | xargs attic push "$CACHE_REPO" "$RESULT_PATH"
      ;;

    esac
  '';
}