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git_hooks

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Add git hooks to your Elixir projects

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git_hooks lib git.ex
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lib/git.ex 

defmodule GitHooks.Git do

  @moduledoc false



  alias Mix.Project



  @doc false

  @spec resolve_git_path() :: any

  def resolve_git_path do

    :git_hooks

    |> Application.get_env(:git_path)

    |> case do

      nil ->

        path = Path.join(Project.deps_path(), "/../.git")



        if File.dir?(path) do

          path

        else

          resolve_git_submodule_path(path)

        end



      custom_path ->

        custom_path

    end

  end



  @spec resolve_git_submodule_path(String.t()) :: any

  defp resolve_git_submodule_path(git_path) do

    with {:ok, contents} <- File.read(git_path),

         %{"dir" => submodule_dir} <- Regex.named_captures(~r/^gitdir:\s+(?<dir>.*)$/, contents) do

      Project.deps_path()

      |> Path.join("/../" <> submodule_dir)

    else

      _error ->

        raise "Error resolving git submodule path '#{git_path}'"

    end

  end

end