$ git clone -n https://src.fedoraproject.org/rpms/wildcard.git /var/lib/mock/f45-build-46465-835/root/chroot_tmpdir/scmroot/wildcard
Cloning into '/var/lib/mock/f45-build-46465-835/root/chroot_tmpdir/scmroot/wildcard'...
$ git fetch origin b0151d0d83b47925195e64634e95362c99dea52a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/wildcard
 * [new ref]         b0151d0d83b47925195e64634e95362c99dea52a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b0151d0 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild