$ git clone -n https://src.fedoraproject.org/rpms/rtl-433.git /var/lib/mock/f45-build-34728-691/root/chroot_tmpdir/scmroot/rtl-433
Cloning into '/var/lib/mock/f45-build-34728-691/root/chroot_tmpdir/scmroot/rtl-433'...
$ git fetch origin 1b81dd1199e3a562103fdbf233a5976b29ae0588:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rtl-433
 * [new ref]         1b81dd1199e3a562103fdbf233a5976b29ae0588 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1b81dd1 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild