Merge commit 'aae628b44518f0886a7f33b88c1131f47d853e70' * commit 'aae628b44518f0886a7f33b88c1131f47d853e70': Test that we correctly back up an empty file.
Merge commit 'aae628b44518f0886a7f33b88c1131f47d853e70' * commit 'aae628b44518f0886a7f33b88c1131f47d853e70': Test that we correctly back up an empty file.