$ git clone -n https://src.fedoraproject.org/rpms/bind9-next.git /var/lib/mock/f41-build-3150608-40566/root/chroot_tmpdir/scmroot/bind9-next
Cloning into '/var/lib/mock/f41-build-3150608-40566/root/chroot_tmpdir/scmroot/bind9-next'...
$ git fetch origin 2ba9c2f961f85c5b91f091f908eb99bdccba4b11:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bind9-next
 * [new ref]         2ba9c2f961f85c5b91f091f908eb99bdccba4b11 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2ba9c2f Include changelog in the new format