$ git clone -n https://src.fedoraproject.org/rpms/bind.git /var/lib/mock/f40-build-2195410-51525/root/chroot_tmpdir/scmroot/bind
Cloning into '/var/lib/mock/f40-build-2195410-51525/root/chroot_tmpdir/scmroot/bind'...
$ git fetch origin 00135d6b207d17ae97d0437c39762b30f813db6e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bind
 * [new ref]         00135d6b207d17ae97d0437c39762b30f813db6e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 00135d6 Update to 9.18.20 (#2249835)