$ git clone -n https://src.fedoraproject.org/rpms/rubygem-rkerberos.git /var/lib/mock/f31-build-52918-27776/root/chroot_tmpdir/scmroot/rubygem-rkerberos
Cloning into '/var/lib/mock/f31-build-52918-27776/root/chroot_tmpdir/scmroot/rubygem-rkerberos'...
$ git reset --hard e0d844b0e3cd3560a522b9978b2fd7ffd7657c78
HEAD is now at e0d844b - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild