$ git clone -n https://src.fedoraproject.org/rpms/dl.git /var/lib/mock/f45-build-7557-367/root/chroot_tmpdir/scmroot/dl
Cloning into '/var/lib/mock/f45-build-7557-367/root/chroot_tmpdir/scmroot/dl'...
$ git fetch origin 461f3a7626ae39147f414c538e7a42bc1156d15b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dl
 * [new ref]         461f3a7626ae39147f414c538e7a42bc1156d15b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 461f3a7 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild