pantsbuild/pants — pull request #216 by jsirois (2014-06-12 21:36:38+00:00)
Title: Use a sensible default tmpdir for the jar-tool.

This avoids what is likely to be a common case of the
/tmp partition being different from the partition of
the repo using pants leading to slow jar creation due
to write once to /tmp, copy app the bytes to repo, then
delete /tmp original.

https://rbcommons.com/s/twitter/r/505/