$ git clone -n https://src.fedoraproject.org/rpms/python-cvelib.git /var/lib/mock/f45-build-30201-643/root/chroot_tmpdir/scmroot/python-cvelib
Cloning into '/var/lib/mock/f45-build-30201-643/root/chroot_tmpdir/scmroot/python-cvelib'...
$ git fetch origin 30823637579a25a8098f89ced3e70bdbb81e4a46:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-cvelib
 * [new ref]         30823637579a25a8098f89ced3e70bdbb81e4a46 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3082363 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild