_completion_booster() {
  # All arguments except the first one
  args=("${COMP_WORDS[@]:1:$COMP_CWORD}")

  # Only split on newlines
  local IFS=$'\n'

  # Call completion (note that the first element of COMP_WORDS is
  # the executable itself)
  COMPREPLY=($(GO_FLAGS_COMPLETION=1 ${COMP_WORDS[0]} "${args[@]}"))
  return 0
}

complete -F _completion_booster booster