class Pgtune < Formula
  desc "Tuning wizard for postgresql.conf"
  homepage "http://pgfoundry.org/projects/pgtune"
  url "http://pgfoundry.org/frs/download.php/2449/pgtune-0.9.3.tar.gz"
  sha256 "31ac5774766dd9793d8d2d3681d1edb45760897c8eda3afc48b8d59350dee0ea"

  # 0.9.3 does not have settings for PostgreSQL 9.x, but the trunk does
  head "https://github.com/gregs1104/pgtune.git"

  def install
    # By default, pgtune searches for settings in the directory
    # where the script is being run from. We replace the default
    # path with pgtune_share.
    pgtune_share = share/"pgtune"
    inreplace "pgtune" do |s|
      s.sub! /(parser\.add_option\('-S'.*default=).*,/, "\\1\"#{pgtune_share}\","
    end
    bin.install "pgtune"
    pgtune_share.install Dir["pg_settings*"]
  end
end