- Rake is way harder to read/maintain/debug than Makefiles, plus I can

do more with less (so far 50% smaller of what I have converted)
  'make jar' now makes the monolith jar. Jar passes all tests.

Makefile

@@ -0,0 +1,125 @@
+VERSION=$(shell ruby -r./VERSION -e 'puts LOGSTASH_VERSION')
+
+JRUBY_VERSION=1.6.4
+JRUBY_URL=http://repository.codehaus.org/org/jruby/jruby-complete/$(JRUBY_VERSION)
+JRUBY=vendor/jar/jruby-complete-$(JRUBY_VERSION).jar
+ELASTICSEARCH_VERSION=0.17.6
+ELASTICSEARCH_URL=http://github.com/downloads/elasticsearch/elasticsearch
+ELASTICSEARCH=vendor/jar/elasticsearch-$(ELASTICSEARCH_VERSION)
+
+default: compile
+
+# Compile config grammar (ragel -> ruby)
+compile-grammar: lib/logstash/config/grammar.rb
+lib/logstash/config/grammar.rb: lib/logstash/config/grammar.rl
+	$(MAKE) -C lib/logstash/config grammar.rb
+
+.PHONY: clean
+clean:
+	-rm -rf .bundle
+	-sh "rm -rf build"
+	-sh "rm -rf vendor"
+
+compile: compile-grammar compile-runner | build/ruby
+
+.PHONY: compile-runner
+compile-runner: build/ruby/logstash/runner.class
+build/ruby/logstash/runner.class: lib/logstash/runner.rb | build/ruby
+	(cd lib; jrubyc -t ../build/ruby logstash/runner.rb) 
+
+.PHONY: copy-ruby-files
+copy-ruby-files: | build/ruby
+	@# Copy lib/ and test/ files to the root.
+	git ls-files | grep '^lib/.*\.rb$$' | sed -e 's,^lib/,,' \
+	| (cd lib; cpio -p --make-directories ../build/ruby)
+	git ls-files | grep '^test/.*\.rb$$' | sed -e 's,^test/,,' \
+	| (cd test; cpio -p --make-directories ../build/ruby)
+
+# TODO(sissel): Copy all .rb files from lib and test to build/ruby
+
+.PHONY: jar
+jar: | compile
+
+vendor: 
+	mkdir $@
+
+vendor/jar: | vendor
+	mkdir $@
+
+#vendor-jruby: vendor/jar/jruby-complete-$(JRUBY_VERSION).jar
+vendor-jruby: $(JRUBY)
+$(JRUBY): | vendor/jar
+	wget -O $@ $(JRUBY_URL)/$(shell basename $@)
+
+vendor/jar/elasticsearch-$(ELASTICSEARCH_VERSION).tar.gz: | vendor/jar
+	@# --no-check-certificate is for github and wget not supporting wildcard
+	@# certs sanely.
+	wget --no-check-certificate \
+		-O $@ $(ELASTICSEARCH_URL)/elasticsearch-$(ELASTICSEARCH_VERSION).tar.gz
+
+vendor-elasticsearch: $(ELASTICSEARCH)
+$(ELASTICSEARCH): $(ELASTICSEARCH).tar.gz | vendor/jar
+	@echo "Pulling the jars out of $<"
+	tar -C $(shell dirname $@) -xf $< --exclude '*sigar*' \
+		'elasticsearch-$(ELASTICSEARCH_VERSION)/lib/*.jar'
+
+# Always run vendor/bundle
+.PHONY: fix-bundler
+fix-bundler:
+	-rm -rf .bundle
+
+.PHONY: vendor-gems
+vendor-gems: | vendor/bundle
+
+.PHONY: vendor/bundle
+vendor/bundle: | fix-bundler
+	@echo "=> Installing gems to vendor/bundle/..."
+	bundle install --path vendor/bundle
+
+gem: logstash-$(VERSION).gem
+
+logstash-$(VERSION).gem: compile 
+	gem build logstash.gemspec
+
+build:
+	-mkdir -p $@
+
+build/ruby: | build
+	-mkdir -p $@
+
+# TODO(sissel): Update this to be like.. functional.
+# TODO(sissel): Skip sigar?
+# Run this one always? Hmm..
+.PHONY: build/monolith
+build/monolith: vendor-elasticsearch vendor-jruby vendor-gems | build
+build/monolith: compile copy-ruby-files
+	-mkdir -p $@
+	@# Unpack all the 3rdparty jars and any jars in gems
+	find $$PWD/vendor/bundle $$PWD/vendor/jar -name '*.jar' \
+	| (cd $@; xargs -P2 -tn1 jar xf)
+	@# Purge any extra files we don't need in META-INF (like manifests and
+	@# TODO(sissel): Simplify this.
+	-rm -f $@/META-INF/{INDEX.LIST,MANIFEST.MF,ECLIPSEF.RSA,ECLIPSEF.SF}
+
+# Learned how to do pack gems up into the jar mostly from here:
+# http://blog.nicksieger.com/articles/2009/01/10/jruby-1-1-6-gems-in-a-jar
+jar: build/logstash-$(VERSION)-monolithic.jar
+build/logstash-$(VERSION)-monolithic.jar: | build/monolith
+build/logstash-$(VERSION)-monolithic.jar: JAR_ARGS=-C build/ruby .
+build/logstash-$(VERSION)-monolithic.jar: JAR_ARGS+=-C build/monolith .
+build/logstash-$(VERSION)-monolithic.jar: JAR_ARGS+=-C vendor/bundle/jruby/1.8 gems
+build/logstash-$(VERSION)-monolithic.jar: JAR_ARGS+=-C vendor/bundle/jruby/1.8 specifications
+build/logstash-$(VERSION)-monolithic.jar: JAR_ARGS+=-C lib logstash/web/public
+build/logstash-$(VERSION)-monolithic.jar: JAR_ARGS+=-C lib logstash/web/views
+build/logstash-$(VERSION)-monolithic.jar: JAR_ARGS+=patterns
+build/logstash-$(VERSION)-monolithic.jar:
+	jar cfe $@ logstash.runner $(JAR_ARGS)
+	jar i $@
+
+.PHONY: test
+test: 
+	ruby bin/logstash test
+
+docs: docgen doccopy docindex
+
+# XXX Finish here' stopped at require_output_env