$ git clone -n https://src.fedoraproject.org/rpms/aardvark-dns.git /var/lib/mock/f41-build-side-1-2844798-33879/root/chroot_tmpdir/scmroot/aardvark-dns
Cloning into '/var/lib/mock/f41-build-side-1-2844798-33879/root/chroot_tmpdir/scmroot/aardvark-dns'...
$ git fetch origin 8ce49640f5d357fe98d57a4ad3af09196042fd9f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/aardvark-dns
 * [new ref]         8ce49640f5d357fe98d57a4ad3af09196042fd9f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8ce4964 install builddeps for tmt tests