$ git clone -n https://src.fedoraproject.org/rpms/flpsed.git /var/lib/mock/f45-build-9087-398/root/chroot_tmpdir/scmroot/flpsed
Cloning into '/var/lib/mock/f45-build-9087-398/root/chroot_tmpdir/scmroot/flpsed'...
$ git fetch origin 9fc5659ba95a3a9035415faf196c78588d06640b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/flpsed
 * [new ref]         9fc5659ba95a3a9035415faf196c78588d06640b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9fc5659 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild