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git_ops

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A tool for managing the version and changelog of a project using conventional commits.

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git_ops lib git_ops version_replace.ex
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lib/git_ops/version_replace.ex 

defmodule GitOps.VersionReplace do

  @moduledoc """

  Functions that handle the logic behind replacing the version in related files.

  """



  @spec update_mix_project(module, String.t(), String.t()) :: String.t() | {:error, :bad_replace}

  def update_mix_project(mix_project, current_version, new_version, opts \\ []) do

    file = mix_project.module_info()[:compile][:source]



    update_file(file, "@version \"#{current_version}\"", "@version \"#{new_version}\"", opts)

  end



  @spec update_readme(String.t(), String.t(), String.t()) :: String.t() | {:error, :bad_replace}

  def update_readme(readme, current_version, new_version, opts \\ []) do

    update_file(readme, ", \"~> #{current_version}\"", ", \"~> #{new_version}\"", opts)

  end



  defp update_file(file, replace, pattern, opts) do

    contents = File.read!(file)



    new_contents = String.replace(contents, replace, pattern)



    if new_contents == contents do

      {:error, :bad_replace}

    else

      unless opts[:dry_run] do

        File.write!(file, new_contents)

      end



      String.trim(new_contents, contents)

    end

  end

end