Homebrew brew formula for Varnish'es Hitch TLS Proxy Server

hitch.rb

class Hitch < Formula
  desc "A scalable TLS proxy by Varnish Software"
  homepage "https://github.com/varnish/hitch"
  url "https://github.com/varnish/hitch/archive/hitch-1.3.0-beta2.tar.gz"
  sha256 "fbec6197a77c54f23e941cf0fcecbb8f6c24086ebe2c45467d30b330a370fe90"
  head "https://github.com/varnish/hitch.git"

  depends_on "automake" => :build
  depends_on "autoconf" => :build
  depends_on "pkg-config" => :build

  depends_on "libev"
  depends_on "openssl"

  option "with-session-cache", "Enable session cache support"

  resource "ebtree" do
    url "https://github.com/haproxy/ebtree.git"
  end if build.with? "session-cache"

  def install
    ssl = Formula["openssl"]

    system "./bootstrap"
    cfg_opts = [ "--disable-dependency-tracking",
                 "--disable-silent-rules",
                 "--without-rst2man",
                 "--prefix=#{prefix}",
                 "CFLAGS=-I#{ssl.opt_include}",
                 "LDFLAGS=-L#{ssl.opt_lib}" ]
    if build.with? "session-cache"
      src_ebtree = File.join(Dir.pwd, 'src', 'ebtree')
      resource("ebtree").stage do
        system "cp -a '#{Dir.pwd}' '#{src_ebtree}'"
      end
      cfg_opts << "--enable-sessioncache"
    end
    system(*(%w[./configure] + cfg_opts))
    system "make", "install"
  end

  test do
    system "hitch --help"
  end
end