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deps_nix

2.6.2
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Mix task that converts Mix dependencies to Nix derivations

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deps_nix lib deps_nix util.ex
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lib/deps_nix/util.ex 

defmodule DepsNix.Util do

  @spec indent(String.t() | nil) :: String.t()

  def indent(nil) do

    ""

  end



  def indent(str) do

    ("  " <> str)

    |> String.replace(~r/\n(.+)/, "\n  \\1")

    |> String.replace(~r/^ +$/, "")

  end



  def indent(str, from: start_line) do

    lines = String.split(str, "\n")

    not_indented = Enum.take(lines, start_line)

    indented = Enum.drop(lines, start_line)



    not_indented_result = not_indented |> Enum.join("\n")

    indent_result = indented |> Enum.map_join("\n", &indent/1)



    [not_indented_result, indent_result] |> Enum.join("\n")

  end

end