HomebrewでMaven2とMaven3を共存させるためのFormula(Maven2)

maven2.rb

require 'formula'

class Maven2 < Formula
  url 'http://www.apache.org/dist/maven/binaries/apache-maven-2.2.1-bin.tar.gz'
  homepage 'http://maven.apache.org/'
  md5 '3f829ed854cbacdaca8f809e4954c916'

  def install
    rm_f Dir["bin/*.bat"]

    # Fix the permissions on the global settings file.
    chmod 0644, Dir["conf/settings.xml"]

    # Install jars in libexec to avoid conflicts
    prefix.install %w{ NOTICE.txt LICENSE.txt README.txt }
    libexec.install Dir['*']

    bin.mkpath
    ln_s "#{libexec}/bin/mvn", bin+"mvn2"
    ln_s "#{libexec}/bin/mvnDebug", bin+"mvnDebug2"
  end
end