Makefile targets to generate normalized release tarballs.

"make dist" will generate riak/riak-<version>.tar.gz with riak/deps fully
populated. "make dist" clean will clean it up.

Makefile

@@ -1,3 +1,5 @@
+RIAK_TAG		= $(shell hg identify -t)
+
 .PHONY: rel deps
 
 all: deps compile
@@ -11,7 +13,7 @@ deps:
 clean:
 	./rebar clean
 
-distclean: clean devclean relclean
+distclean: clean devclean relclean ballclean
 	./rebar delete-deps
 
 test: 
@@ -79,4 +81,23 @@ orgs-README:
 dialyzer: compile
 	@dialyzer -Wno_return -c apps/riak/ebin
 
+# Release tarball creation
+# Generates a tarball that includes all the deps sources so no checkouts are necessary
+
+distdir:
+	$(if $(findstring tip,$(RIAK_TIP)),$(error "You can't generate a release tarball from tip"))
+	mkdir distdir
+	hg clone . distdir/riak-clone
+	cd distdir/riak-clone; \
+	hg archive ../$(RIAK_TAG); \
+	mkdir ../$(RIAK_TAG)/deps; \
+	make deps; \
+	for dep in deps/*; do cd $${dep} && hg archive ../../../$(RIAK_TAG)/$${dep}; cd ../..; done
+
+dist $(RIAK_TAG).tar.gz: distdir
+	cd distdir; \
+	tar czf ../$(RIAK_TAG).tar.gz $(RIAK_TAG)
+
+ballclean:
+	rm -rf $(RIAK_TAG).tar.gz distdir