My mirror has that, as would my upstream mirror, mirror.es.its.nyu.edu. 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 <gabriel@system.is> wrote:
Hi,
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.