require 'formula' class Logstash < Formula homepage 'http://logstash.net/' url 'https://download.elasticsearch.org/logstash/logstash/logstash-1.4.1.tar.gz' sha1 '834599d28ce50012c221ece7a6783c5943221e36' def install inreplace %w{bin/logstash bin/logstash.lib.sh}, /^basedir=.*$/, "basedir=#{libexec}" libexec.install Dir["*"] bin.install_symlink libexec/"bin/logstash" end def caveats; <<-EOS.undent Logstash 1.4 emits an unhelpful error if you try to start it sans config. Please read the getting started guide located at: http://logstash.net/docs/latest/tutorials/getting-started-with-logstash EOS end test do system "#{bin}/logstash", "--version" system "/bin/echo 'hello world' | #{bin}/logstash agent -e 'input { stdin { type => stdin } } output { stdout { codec => rubydebug } }'" end end