$ git clone -n https://src.fedoraproject.org/rpms/tfdocgen.git /var/lib/mock/f31-build-71951-30800/root/chroot_tmpdir/scmroot/tfdocgen
Cloning into '/var/lib/mock/f31-build-71951-30800/root/chroot_tmpdir/scmroot/tfdocgen'...
$ git reset --hard 55e8db77202d8681836a2af6c65f1739807c0da9
HEAD is now at 55e8db7 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild