HashNuke/heroku-buildpack-elixir — pull request #12 by ericmj (2014-08-10 21:40:29+00:00)
Title: Change hex dir

Changes the config option `always_build_deps` to `always_rebuild`. The idea is to be more resilient against bugs in the buildpack.

Hex recently changed to use the directory `~/.hex` instead of `~/.mix` so it needs to be reflected in the buildpack. I think this fixes the recent issue on the mailing list.