$ git clone -n https://src.fedoraproject.org/rpms/librcc.git /var/lib/mock/f31-build-94563-32495/root/chroot_tmpdir/scmroot/librcc
Cloning into '/var/lib/mock/f31-build-94563-32495/root/chroot_tmpdir/scmroot/librcc'...
$ git reset --hard f7d52c0c49ae3780806d655ad72d78be3fb68bd3
HEAD is now at f7d52c0 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild