$ git clone -n https://src.fedoraproject.org/rpms/ipp-usb.git /var/lib/mock/f45-build-14201-457/root/chroot_tmpdir/scmroot/ipp-usb
Cloning into '/var/lib/mock/f45-build-14201-457/root/chroot_tmpdir/scmroot/ipp-usb'...
$ git fetch origin 7dbc996457ded9403c4a77f3cc79cbf9be834a1e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ipp-usb
 * [new ref]         7dbc996457ded9403c4a77f3cc79cbf9be834a1e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7dbc996 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild