…houdln't fail (was failing with function_clause)
…ts/2 implementation, allows avoiding confusing error messages being printed out
…ries. Thanks to Anthony Ramine!
…den "rebar" command
The current version first pulls with -U and then updates to the given revision. The problem with this approach is that hg requires to be in the repo to do it. This adds arguments to the port process to switch directories in between commands in order to update successfully