$ git clone -n https://src.fedoraproject.org/rpms/dnsviz.git /var/lib/mock/f41-build-side-1-2935666-35250/root/chroot_tmpdir/scmroot/dnsviz
Cloning into '/var/lib/mock/f41-build-side-1-2935666-35250/root/chroot_tmpdir/scmroot/dnsviz'...
$ git fetch origin 7da510612961e6f7454a04fb0c3aae93f2bb8da4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dnsviz
 * [new ref]         7da510612961e6f7454a04fb0c3aae93f2bb8da4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7da5106 Skip testing SHA1