Library/Formula/pyenv.rb


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require "formula"

class Pyenv < Formula
  homepage "https://github.com/yyuu/pyenv"
  head "https://github.com/yyuu/pyenv.git"
  url "https://github.com/yyuu/pyenv/archive/v20140615.tar.gz"
  sha1 "e5caf58319a4ccc393ea8f20378e43989d03deae"

  depends_on "autoconf" => [:recommended, :run]
  depends_on "pkg-config" => [:recommended, :run]

  def install
    inreplace "libexec/pyenv", "/usr/local", HOMEBREW_PREFIX
    prefix.install "bin", "completions", "libexec"
    prefix.install "plugins" => "default-plugins"

    var_lib = "#{HOMEBREW_PREFIX}/var/lib/pyenv"
    %w[plugins versions].each do |dir|
      var_dir = "#{var_lib}/#{dir}"
      mkdir_p var_dir
      ln_sf var_dir, "#{prefix}/#{dir}"
    end

    rm_f "#{var_lib}/plugins/python-build"
    ln_sf "#{prefix}/default-plugins/python-build", "#{var_lib}/plugins/python-build"
    %w[pyenv-install pyenv-uninstall python-build].each do |cmd|
      bin.install_symlink "#{prefix}/default-plugins/python-build/bin/#{cmd}"
    end
  end

  def caveats; <<-EOS.undent
    To enable shims and autocompletion add to your profile:
      if which pyenv > /dev/null; then eval "$(pyenv init -)"; fi

    To use Homebrew's directories rather than ~/.pyenv add to your profile:
      export PYENV_ROOT=#{opt_prefix}
    EOS
  end
end