$ git clone -n https://src.fedoraproject.org/rpms/virtiofsd.git /var/lib/mock/f40-build-2235457-53434/root/chroot_tmpdir/scmroot/virtiofsd
Cloning into '/var/lib/mock/f40-build-2235457-53434/root/chroot_tmpdir/scmroot/virtiofsd'...
$ git fetch origin e354758f339f1981d4c8dc94c480dd53d05a7254:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/virtiofsd
 * [new ref]         e354758f339f1981d4c8dc94c480dd53d05a7254 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e354758 Update to version 1.9.0