defmodule Mix.Tasks.Version.Up do
  use Mix.Task

  alias Mix.Tasks.Version

  @shortdoc "Inc to next version, and commit changes to git"
  def run(mode) do
    next_version = Version.Inc.run(mode)
    updated_version = Version.Current.calc(mode)

    if next_version == updated_version do
      IO.puts("Committing updates to git")
      repo = Git.new(".")
      {:ok, _} = Git.add(repo, ["mix.exs", "README.md"])
      {:ok, output} = Git.commit(repo, ["-m", "v#{updated_version}"])
      IO.puts(output)
    else
      IO.puts("Unable to update version, stopping task. Sorry we couldn't automate better :-(")
    end

    updated_version
  end
end