class Hadoop < Formula desc "Framework for distributed processing of large data sets" homepage "https://hadoop.apache.org/" url "https://www.apache.org/dyn/closer.cgi?path=hadoop/common/hadoop-2.8.1/hadoop-2.8.1.tar.gz" mirror "https://archive.apache.org/dist/hadoop/common/hadoop-2.8.1/hadoop-2.8.1.tar.gz" sha256 "b5be527578ef2c8565cd435ab4ae71a024cad704f7bf597bd792082703bd77d9" bottle :unneeded depends_on :java => "1.7+" def install rm_f Dir["bin/*.cmd", "sbin/*.cmd", "libexec/*.cmd", "etc/hadoop/*.cmd"] libexec.install %w[bin sbin libexec share etc] bin.write_exec_script Dir["#{libexec}/bin/*"] sbin.write_exec_script Dir["#{libexec}/sbin/*"] # But don't make rcc visible, it conflicts with Qt (bin/"rcc").unlink inreplace "#{libexec}/etc/hadoop/hadoop-env.sh", "export JAVA_HOME=${JAVA_HOME}", "export JAVA_HOME=\"$(/usr/libexec/java_home)\"" inreplace "#{libexec}/etc/hadoop/yarn-env.sh", "# export JAVA_HOME=/home/y/libexec/jdk1.6.0/", "export JAVA_HOME=\"$(/usr/libexec/java_home)\"" inreplace "#{libexec}/etc/hadoop/mapred-env.sh", "# export JAVA_HOME=/home/y/libexec/jdk1.6.0/", "export JAVA_HOME=\"$(/usr/libexec/java_home)\"" end def caveats; <<-EOS.undent In Hadoop's config file: #{libexec}/etc/hadoop/hadoop-env.sh, #{libexec}/etc/hadoop/mapred-env.sh and #{libexec}/etc/hadoop/yarn-env.sh $JAVA_HOME has been set to be the output of: /usr/libexec/java_home EOS end test do system bin/"hadoop", "fs", "-ls" end end