$ git clone -n https://src.fedoraproject.org/rpms/libecoli.git /var/lib/mock/f45-build-16132-483/root/chroot_tmpdir/scmroot/libecoli
Cloning into '/var/lib/mock/f45-build-16132-483/root/chroot_tmpdir/scmroot/libecoli'...
$ git fetch origin ad535fa32c3d15df51ac5b09036bdf95ee3340e7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libecoli
 * [new ref]         ad535fa32c3d15df51ac5b09036bdf95ee3340e7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ad535fa Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild