$ git clone -n https://src.fedoraproject.org/rpms/hut.git /var/lib/mock/f45-build-13782-454/root/chroot_tmpdir/scmroot/hut
Cloning into '/var/lib/mock/f45-build-13782-454/root/chroot_tmpdir/scmroot/hut'...
$ git fetch origin 6ce267a58dff7178aa28c2e41f78af8335b70535:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hut
 * [new ref]         6ce267a58dff7178aa28c2e41f78af8335b70535 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6ce267a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild