fix: Variable expansion in retry loop (#308)

  local delay="$1"

  local msg="Retrying failed download in X seconds..."

  for i in $(seq $delay -1 1); do

    info "${msg/X/$i}"

  info "${msg/X/$delay}"

  for i in $(seq "$delay" -1 1); do

    html "${msg/X/$i}"

    sleep 1

  done