$ git clone -n https://src.fedoraproject.org/rpms/aardvark-dns.git /var/lib/mock/f41-build-side-1-2645800-27204/root/chroot_tmpdir/scmroot/aardvark-dns
Cloning into '/var/lib/mock/f41-build-side-1-2645800-27204/root/chroot_tmpdir/scmroot/aardvark-dns'...
$ git fetch origin 5716cbb68b57f0b9cfa7af6f841922620b63af28:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/aardvark-dns
 * [new ref]         5716cbb68b57f0b9cfa7af6f841922620b63af28 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5716cbb install builddeps for tmt tests