$ git clone -n https://src.fedoraproject.org/rpms/cim-schema.git /var/lib/mock/f45-build-3995-329/root/chroot_tmpdir/scmroot/cim-schema
Cloning into '/var/lib/mock/f45-build-3995-329/root/chroot_tmpdir/scmroot/cim-schema'...
$ git fetch origin 9cfcd38434d8d0af1c4e64031c596d0eeb50e564:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cim-schema
 * [new ref]         9cfcd38434d8d0af1c4e64031c596d0eeb50e564 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9cfcd38 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild