My mirror has that, as would my upstream mirror, I suspect it's related to an earlier mentioned issue in switching upstream servers.

On Tue, Jun 14, 2016 at 2:14 PM, Gabríel Arthúr Pétursson <> wrote:

It seems that almost all mirrors have a broken lastsync file, whose
contents solely consists of the string "\/bin/sh" instead of the usual
UNIX timestamp.

Is this a known issue?

Thanks in advance!