$ git clone -n https://src.fedoraproject.org/rpms/ding-libs.git /var/lib/mock/f45-build-7526-365/root/chroot_tmpdir/scmroot/ding-libs
Cloning into '/var/lib/mock/f45-build-7526-365/root/chroot_tmpdir/scmroot/ding-libs'...
$ git fetch origin 5db4bfd02034933bb60e7d34e4201a5fc021f9f8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ding-libs
 * [new ref]         5db4bfd02034933bb60e7d34e4201a5fc021f9f8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5db4bfd Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild