$ git clone -n https://src.fedoraproject.org/rpms/cxxtools.git /var/lib/mock/f33-build-317308-57800/root/chroot_tmpdir/scmroot/cxxtools
Cloning into '/var/lib/mock/f33-build-317308-57800/root/chroot_tmpdir/scmroot/cxxtools'...
$ git reset --hard 5383871d6f6a324460eae9758fa3bd8c250b743d
HEAD is now at 5383871 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild