<NME> Makefile
<BEF> # Requirements to build:
#   rsync
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)
LOGSTASH_URL=https://download.elasticsearch.org/logstash/logstash

WITH_JRUBY=java -jar $(shell pwd)/$(JRUBY) -S
JRUBY=vendor/jar/jruby-complete-$(JRUBY_VERSION).jar
JRUBY_URL=http://jruby.org.s3.amazonaws.com/downloads/$(JRUBY_VERSION)/jruby-complete-$(JRUBY_VERSION).jar
JRUBY_CMD=java -jar $(JRUBY)

ELASTICSEARCH_URL=http://download.elasticsearch.org/elasticsearch/elasticsearch
ELASTICSEARCH=vendor/jar/elasticsearch-$(ELASTICSEARCH_VERSION)
PLUGIN_FILES=$(shell find lib -type f| egrep '^lib/logstash/(inputs|outputs|filters|codecs)/[^/]+$$' | egrep -v '/(base|threadable).rb$$|/inputs/ganglia/')
QUIET=@
ifeq (@,$(QUIET))
	QUIET_OUTPUT=> /dev/null 2>&1
endif

WGET=$(shell which wget 2>/dev/null)
CURL=$(shell which curl 2>/dev/null)

# OS-specific options
TARCHECK=$(shell tar --help|grep wildcard|wc -l|tr -d ' ')
.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) 

# TODO(sissel): Stop using cpio for this
.PHONY: copy-ruby-files

#spec/outputs/graphite.rb spec/outputs/email.rb)
default:
	@echo "Make targets you might be interested in:"
	@echo "  tarball -- builds the tarball package"
	@echo "  tarball-test -- runs the test suite against the tarball package"

.VERSION.mk:
	echo "VERSION=${LOGSTASH_VERSION}" >> $@

vendor/jar: | vendor
	mkdir $@

.PHONY: vendor-jruby
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

.PHONY: clean-vendor
clean-vendor:
	-$(QUIET)rm -rf vendor

.PHONY: copy-ruby-files
copy-ruby-files: | build/ruby
	@# Copy lib/ and test/ files to the root
	$(QUIET)rsync -a --include "*/" --include "*.rb" --include "*.yaml" --exclude "*" ./lib/ ./build/ruby
	$(QUIET)rsync -a ./spec ./build/ruby
	@# Delete any empty directories copied by rsync.
	$(QUIET)find ./build/ruby -type d -empty -delete

vendor:
	$(QUIET)mkdir $@

vendor/jar: | vendor
	$(QUIET)mkdir $@

vendor-jruby: $(JRUBY)

$(JRUBY): | vendor/jar
	$(QUIET)echo "=> Downloading jruby $(JRUBY_VERSION)"
	$(QUIET)$(DOWNLOAD_COMMAND) $@ $(JRUBY_URL)

vendor/jar/elasticsearch-$(ELASTICSEARCH_VERSION).tar.gz: | wget-or-curl vendor/jar
	@echo "=> Fetching elasticsearch"
	$(QUIET)$(DOWNLOAD_COMMAND) $@ $(ELASTICSEARCH_URL)/elasticsearch-$(ELASTICSEARCH_VERSION).tar.gz

build/tarball/logstash-$(LOGSTASH_VERSION).tar.gz: | wget-or-curl build build/tarball
	@echo "=> Fetching logstash $(LOGSTASH_VERSION)"
	$(QUIET)$(DOWNLOAD_COMMAND) $@ $(LOGSTASH_URL)/logstash-$(LOGSTASH_VERSION).tar.gz

.PHONY: vendor-elasticsearch
vendor-elasticsearch: $(ELASTICSEARCH)
$(ELASTICSEARCH): $(ELASTICSEARCH).tar.gz | vendor/jar
	@echo "=> Pulling the jars out of $<"
	$(QUIET)tar -C $(shell dirname $@) -xf $< $(TAR_OPTS) --exclude '*sigar*' \
		'elasticsearch-$(ELASTICSEARCH_VERSION)/lib/*.jar'

.PHONY: vendor-gems
vendor-gems: | vendor/bundle

.PHONY: vendor/bundle
vendor/bundle: | vendor $(JRUBY)
	@echo "=> Ensuring ruby gems dependencies are in $@..."
	$(QUIET)GEM_HOME=./vendor/bundle/jruby/1.9/ GEM_PATH= $(JRUBY_CMD) --1.9 ./gembag.rb logstash-kafka.gemspec
	@# Purge any junk that fattens our jar without need!
	@# The riak gem includes previous gems in the 'pkg' dir. :(
	-$(QUIET)rm -rf $@/jruby/1.9/gems/riak-client-1.0.3/pkg
	@# Purge any rspec or test directories
	-$(QUIET)rm -rf $@/jruby/1.9/gems/*/spec $@/jruby/1.9/gems/*/test
	@# Purge any comments in ruby code.
	@#-find $@/jruby/1.9/gems/ -name '*.rb' | xargs -n1 sed -i -e '/^[ \t]*#/d; /^[ \t]*$$/d'

.PHONY: build
build:
	-$(QUIET)mkdir -p $@

build/ruby: | build
	-$(QUIET)mkdir -p $@

.PHONY: origin-logstash
origin-logstash: $(LOGSTASH)
$(LOGSTASH): $(LOGSTASH).tar.gz | build build/tarball
	@echo "=> Extracting $<"
		$(QUIET)tar -C $(shell dirname $@) -xf $< $(TAR_OPTS)
		$(QUIET)rm -rf $<

package: | prepare-tarball
	pkg/build.sh centos 6

build/tarball: | build
	-$(QUIET)mkdir $@

show:
	echo $(VERSION)

.PHONY: prepare-tarball
prepare-tarball tarball zip: WORKDIR=build/tarball/logstash-$(VERSION)
prepare-tarball: $(LOGSTASH) $(JRUBY) vendor-gems
prepare-tarball:
	@echo "=> Preparing tarball"
	$(QUIET)$(MAKE) $(WORKDIR)
	$(QUIET)rsync -a --relative lib spec vendor/bundle/jruby vendor/jar --exclude 'vendor/bundle/jruby/1.9/cache' --exclude 'vendor/bundle/jruby/1.9/gems/*/doc' --exclude 'vendor/jar/elasticsearch-$(ELASTICSEARCH_VERSION).tar.gz' $(WORKDIR)

.PHONY: tarball
tarball: | build/logstash-$(VERSION).tar.gz
build/logstash-$(VERSION).tar.gz: | prepare-tarball
	$(QUIET)tar -C $$(dirname $(WORKDIR)) -c $$(basename $(WORKDIR)) \
		| gzip -9c > $@
	@echo "=> tarball ready: $@"

.PHONY: zip
zip: | build/logstash-$(VERSION).zip
build/logstash-$(VERSION).zip: | prepare-tarball
	$(QUIET)(cd $$(dirname $(WORKDIR)); find $$(basename $(WORKDIR)) | zip $(PWD)/$@ -@ -9)$(QUIET_OUTPUT)
	@echo "=> zip ready: $@"

.PHONY: tarball-test
tarball-test: #build/logstash-$(VERSION).tar.gz
	$(QUIET)-rm -rf build/test-tarball/
	$(QUIET)mkdir -p build/test-tarball/
	tar -C build/test-tarball --strip-components 1 -xf build/logstash-$(VERSION).tar.gz
	(cd build/test-tarball; bin/logstash rspec spec/**/kafka*.rb)

<MSG> - download jruby source and compile it with 1.9 as the default.

<DFF> @@ -3,6 +3,7 @@ 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
+JRUBYC=java -jar $(PWD)/$(JRUBY) -S jrubyc
 ELASTICSEARCH_VERSION=0.17.6
 ELASTICSEARCH_URL=http://github.com/downloads/elasticsearch/elasticsearch
 ELASTICSEARCH=vendor/jar/elasticsearch-$(ELASTICSEARCH_VERSION)
@@ -29,7 +30,7 @@ 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) 
+	(cd lib; $(JRUBYC) -t ../build/ruby logstash/runner.rb) 
 
 # TODO(sissel): Stop using cpio for this
 .PHONY: copy-ruby-files
@@ -46,10 +47,31 @@ vendor:
 vendor/jar: | vendor
 	mkdir $@
 
-.PHONY: vendor-jruby
-vendor-jruby: $(JRUBY)
-$(JRUBY): | vendor/jar
-	wget -O $@ $(JRUBY_URL)/$(shell basename $@)
+#.PHONY: vendor-jruby
+#vendor-jruby: $(JRUBY)
+#$(JRUBY): | vendor/jar
+	#wget -O $@ $(JRUBY_URL)/$(shell basename $@)
+
+.PHONY: build-jruby
+build-jruby: $(JRUBY)
+
+$(JRUBY): build/jruby/jruby-1.6.4/lib/jruby-complete.jar
+	cp $< $@
+
+build/jruby: build
+	mkdir -p $@
+
+build/jruby/jruby-1.6.4/lib/jruby-complete.jar: build/jruby/jruby-$(JRUBY_VERSION)
+	# Patch that, yo.
+	sed -i -e 's/jruby.default.ruby.version=.*/jruby.default.ruby.version=1.9/' $</default.build.properties
+	(cd $<; ant jar-jruby-complete)
+
+build/jruby/jruby-$(JRUBY_VERSION): build/jruby/jruby-src-$(JRUBY_VERSION).tar.gz
+	tar -C build/jruby/ -zxf $<
+	# Build jruby from source targeted at 1.9
+
+build/jruby/jruby-src-$(JRUBY_VERSION).tar.gz: | build/jruby
+	wget -O $@ http://jruby.org.s3.amazonaws.com/downloads/$(JRUBY_VERSION)/jruby-src-$(JRUBY_VERSION).tar.gz
 
 vendor/jar/elasticsearch-$(ELASTICSEARCH_VERSION).tar.gz: | vendor/jar
 	@# --no-check-certificate is for github and wget not supporting wildcard

- download jruby source and compile it with 1.9 as the default.