heroku/heroku-buildpack-scala — pull request #27 by 24601 (2012-11-03 05:04:12+00:00)
Title: Increase MaxPermSize on SBT commands & add other more-sane command line opts

Using Scala 2.10-RC1 exhausts the PermSize because of a large amounts of classes loaded, compiling compiler-interface fails under current settings. This ups MaxPermSize and sets a few other heap/memory related options to the SBT command line invocation to fix the issue.