$ git clone -n https://src.fedoraproject.org/rpms/erlang-erlsyslog.git /var/lib/mock/f41-build-side-1-2811250-32927/root/chroot_tmpdir/scmroot/erlang-erlsyslog
Cloning into '/var/lib/mock/f41-build-side-1-2811250-32927/root/chroot_tmpdir/scmroot/erlang-erlsyslog'...
$ git fetch origin 053a869bc09de3266436aea02ed5f6c19f260b63:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-erlsyslog
 * [new ref]         053a869bc09de3266436aea02ed5f6c19f260b63 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 053a869 Cosmetic changes