Homebrew custom build script for Tmux and Iterm2.

tmux-iterm2.rb

require 'formula'

class TmuxIterm2 < Formula
  url 'http://iterm2.googlecode.com/files/iTerm2-1_0_0_20121224.zip'
  sha1 'a2ea1cb72f3cef193d929c1580ef82710bc7345b'
  
  head 'git://tmux.git.sourceforge.net/gitroot/tmux/tmux'

  depends_on 'pkg-config' => :build
  depends_on 'libevent'

  if build.head?
    depends_on :automake
    depends_on :libtool
  end

  def install
    system "tar -xvf tmux-for-iTerm2-20121224.tar.gz"
    
    Dir.chdir "tmux" do
      system "sh", "autogen.sh" if build.head?
      
      ENV.append "LDFLAGS", "-lresolv"
      system "./configure", "--disable-dependency-tracking",
                          "--prefix=#{prefix}", "--sysconfdir=#{etc}"
      system "make install"
      
      # Install bash completion scripts for use with bash-completion
      (prefix+'etc/bash_completion.d').install "examples/bash_completion_tmux.sh" => 'tmux-iterm2'
      
      # Install addtional meta file
      prefix.install 'NOTES'
    end   
  end

  def caveats; <<-EOS.undent
    Additional information can be found in:
      #{prefix}/NOTES
    EOS
  end

  def test
    system "#{bin}/tmux", "-V"
  end
end