$ git clone -n https://src.fedoraproject.org/rpms/corosync-qdevice.git /var/lib/mock/f45-build-4698-333/root/chroot_tmpdir/scmroot/corosync-qdevice
Cloning into '/var/lib/mock/f45-build-4698-333/root/chroot_tmpdir/scmroot/corosync-qdevice'...
$ git fetch origin bbc2c90fd5f1994a892b9ad0bc375cb0aae95b3a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/corosync-qdevice
 * [new ref]         bbc2c90fd5f1994a892b9ad0bc375cb0aae95b3a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bbc2c90 Fix smoke test