$ git clone -n https://src.fedoraproject.org/rpms/go-fdo-client.git /var/lib/mock/f45-build-11653-433/root/chroot_tmpdir/scmroot/go-fdo-client
Cloning into '/var/lib/mock/f45-build-11653-433/root/chroot_tmpdir/scmroot/go-fdo-client'...
$ git fetch origin e6466c251f8655ce653aca3387a6ec42afcc5934:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/go-fdo-client
 * [new ref]         e6466c251f8655ce653aca3387a6ec42afcc5934 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e6466c2 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild