$ git clone -n https://src.fedoraproject.org/rpms/liblbfgs.git /var/lib/mock/f45-build-16474-486/root/chroot_tmpdir/scmroot/liblbfgs
Cloning into '/var/lib/mock/f45-build-16474-486/root/chroot_tmpdir/scmroot/liblbfgs'...
$ git fetch origin 8d692b7e463e0279c733d3dccdc19a0fda7903fb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/liblbfgs
 * [new ref]         8d692b7e463e0279c733d3dccdc19a0fda7903fb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8d692b7 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild