Alex Miller's new add-lib capability, hacked into ClojureScript:
deps.edn:
{:deps {org.clojure/clojurescript {:git/url "https://github.com/mfikes/clojurescript"
:sha "4fa9edd736d47b8ef5648b61b199e64ef80735bb"}
org.clojure/tools.deps.alpha {:git/url "https://github.com/clojure/tools.deps.alpha.git"
:sha "d492e97259c013ba401c5238842cd3445839d020"}}}