require 'formula' class Hadoop < Formula homepage 'http://hadoop.apache.org/common/' url 'http://www.apache.org/dyn/closer.cgi?path=hadoop/core/hadoop-1.1.1/hadoop-1.1.1.tar.gz' sha1 '3b7f226e437a30bb8eee12093179c81ae94e7896' def install rm_f Dir["bin/*.bat"] libexec.install %w[bin conf lib webapps contrib] libexec.install Dir['*.jar'] bin.write_exec_script Dir["#{libexec}/bin/*"] # But don't make rcc visible, it conflicts with Qt (bin/'rcc').unlink inreplace "#{libexec}/conf/hadoop-env.sh", "# export JAVA_HOME=/usr/lib/j2sdk1.5-sun", "export JAVA_HOME=\"$(/usr/libexec/java_home)\"" end def caveats; <<-EOS.undent In Hadoop's config file: #{libexec}/conf/hadoop-env.sh $JAVA_HOME has been set to be the output of: /usr/libexec/java_home EOS end end