NicolasPetton/amber — pull request #263 by herby (2012-12-10 18:09:14+00:00)
Title: AlternativeTMPDIR when mktemp not present

Users of portableGit in Windows do not have mktemp.
TMPDIR ended up empty and compiler.js was created at /.
Good thing is "rm -rf " trap failed with empty arguments
and it did not remove everything.