tree 2cc2c294c631ece09ce2d32b780133a4e368a7a6
parent 7a32577c3b7b9b082c3edbc63721eacc2f57feab
author Simon Stewart <simons@fb.com> 1381344153 -0700
committer Michael Bolin <mbolin@fb.com> 1381515864 -0700

Clean up temp files if there is no cache result.

Summary:
We create a temp file to uncache files to. However, if we miss the cache entirely, there
is no hit in the cache at all, we leave a zero-length file in the temp directory. Let's
clean that up to avoid cluttering the disk.

Test Plan:
buck test --all
Manually inspect the tmp dir for zero-length zip files