mxcl/homebrew — pull request #8975 by jennifersmith (2011-12-05 01:51:22+00:00)
Title: Changed leiningen formula to point to 1.6.2 

Made the leiningen formula use the 1.6.2 tagged version of leiningen. otherwise it fails as trying to get non existent binaries for 2.X . Perhaps you would want to repoint this to version 2.X once there are releases for it.