   defp git!(args, into \\ %Mix.Shell{}) do
     case System.cmd("git", args, into: into, stderr_to_stdout: true) do
       {response, 0} -> response
-      {_, _} -> Mix.raise "Command \"git #{Enum.join(args, " ")}\" failed"
+      {_, _} -> Mix.raise("Command \"git #{Enum.join(args, " ")}\" failed")
     end
   end
 

    case Mix.State.fetch(:git_available) do
      {:ok, true} ->
        :ok
      :error ->
        if System.find_executable("git") do
          Mix.State.put(:git_available, true)
        else
          Mix.raise "Error fetching/updating Git repository: the \"git\" "  <>
            "executable is not available in your PATH. Please install "   <>
            "Git on this machine or pass --no-deps-check if you want to " <>
            "run a previously built application on a system without Git."
        end
    end
  end

    # Are we inside a Git repository?
    opts[:checkout]
    |> Path.join(".git/HEAD")
    |> File.regular?()
  end

  def lock_status(opts) do
