$ git clone -n https://src.fedoraproject.org/rpms/titools.git /var/lib/mock/f45-build-37232-712/root/chroot_tmpdir/scmroot/titools
Cloning into '/var/lib/mock/f45-build-37232-712/root/chroot_tmpdir/scmroot/titools'...
$ git fetch origin 9a851a9690b0b4fe87218ef9261f3a4039fe3498:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/titools
 * [new ref]         9a851a9690b0b4fe87218ef9261f3a4039fe3498 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9a851a9 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild