Solr 4.0 brew recipe

solr.rb

require 'formula'

class Solr < Formula
  url 'http://www.apache.org/dyn/closer.cgi?path=lucene/solr/4.0.0/apache-solr-4.0.0.tgz'
  homepage 'http://lucene.apache.org/solr/'
  sha1 '0cb61d9572516fc627785201b79b3a85e95f877d'

  def script; <<-EOS.undent
    #!/bin/sh
    if [ -z "$1" ]; then
      echo "Usage: $ solr path/to/config/dir"
    else
      cd #{libexec}/example && java -Dsolr.solr.home=$1 -jar start.jar
    fi
    EOS
  end

  def install
    libexec.install Dir['*']
    (bin+'solr').write script
  end

  def caveats; <<-EOS.undent
    To start solr:
        solr path/to/solr/config/dir

    See the solr homepage for more setup information:
        brew home solr
    EOS
  end
end