DISTRIBUTION_DEFAULT="sname"
NODE_DEFAULT="livebook_server"

if [ ! -z "$LIVEBOOK_CLUSTER" ]; then
  DISTRIBUTION_DEFAULT="name";
fi

if [ "$LIVEBOOK_CLUSTER" = "fly" ]; then
  export ERL_AFLAGS="-proto_dist inet6_tcp"
  export LIVEBOOK_CLUSTER="dns:${FLY_APP_NAME}.internal"
  NODE_DEFAULT="${FLY_APP_NAME}-${FLY_IMAGE_REF##*-}@${FLY_PRIVATE_IP}"
fi

if [ -f "${RELEASE_ROOT}/user/env.sh" ]; then
  . "${RELEASE_ROOT}/user/env.sh"
fi

export RELEASE_MODE=interactive
export RELEASE_NODE=${LIVEBOOK_NODE:-${RELEASE_NODE:-${NODE_DEFAULT}}}
export RELEASE_DISTRIBUTION=${LIVEBOOK_DISTRIBUTION:-${RELEASE_DISTRIBUTION:-${DISTRIBUTION_DEFAULT}}}

if [ "$LIVEBOOK_EPMDLESS" = "true" ] || [ "$LIVEBOOK_EPMDLESS" = "1" ]; then
  export ELIXIR_ERL_OPTIONS="${ELIXIR_ERL_OPTIONS} -epmd_module Elixir.Livebook.EPMD -start_epmd false -erl_epmd_port 0"
fi

if [ ! -z "${LIVEBOOK_COOKIE}" ]; then export RELEASE_COOKIE=${LIVEBOOK_COOKIE}; fi
cookie_path="${RELEASE_ROOT}/releases/COOKIE"
if [ ! -f $cookie_path ] && [ -z "$RELEASE_COOKIE" ]; then
  RELEASE_COOKIE=$(cat /dev/urandom | env LC_ALL=C tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1)
  echo "$RELEASE_COOKIE" > "$cookie_path" || export RELEASE_COOKIE
fi