$ git clone -n https://src.fedoraproject.org/rpms/aardvark-dns.git /var/lib/mock/f41-build-side-1-3125290-39494/root/chroot_tmpdir/scmroot/aardvark-dns
Cloning into '/var/lib/mock/f41-build-side-1-3125290-39494/root/chroot_tmpdir/scmroot/aardvark-dns'...
$ git fetch origin ef1174bd9e6c9dfaf860678588dd87bfc7d6b49e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/aardvark-dns
 * [new ref]         ef1174bd9e6c9dfaf860678588dd87bfc7d6b49e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ef1174b Update to 1.13.1 upstream release