$ git clone -n https://src.fedoraproject.org/rpms/tnef.git /var/lib/mock/f31-build-59874-28656/root/chroot_tmpdir/scmroot/tnef
Cloning into '/var/lib/mock/f31-build-59874-28656/root/chroot_tmpdir/scmroot/tnef'...
$ git reset --hard 7e22f6a6bff6ece21b6061d433910c4e2a4696cb
HEAD is now at 7e22f6a Update to release 1.4.17.