$ git clone -n https://src.fedoraproject.org/rpms/nfdump.git /var/lib/mock/f31-build-96106-32804/root/chroot_tmpdir/scmroot/nfdump
Cloning into '/var/lib/mock/f31-build-96106-32804/root/chroot_tmpdir/scmroot/nfdump'...
$ git reset --hard f61886b0afad5bd8c1541bc14cf983a55b45b07c
HEAD is now at f61886b nfdump: 1.6.18 release