s3tools/s3cmd — pull request #184 by mdomsch (2013-06-06 03:16:08+00:00)
Title: don't purge the HashCache if using --files-from

If getting the file list from files_from, it is going to be subset of
the actual tree. We should not purge content outside of that subset
as we don't know if it's valid or not. Leave it to a non-files_from
run to purge.