:post_install: |-
  find %{buildroot}%{_libdir}/ruby/gems/*/gems/%{mod_name}-%{version} -name .gitmodules -print -delete
  find %{buildroot}%{_libdir}/ruby/gems/*/gems/%{mod_name}-%{version} -name .gitkeep -print -delete
  find %{buildroot}%{_libdir}/ruby/gems/*/gems/%{mod_name}-%{version} -name .gitignore -print -delete
  find %{buildroot}%{_libdir}/ruby/gems/*/gems/%{mod_name}-%{version} -name \*.jar -print -delete
  find %{buildroot}%{_libdir}/ruby/gems/*/gems/%{mod_name}-%{version} -name '*.[h|c|o]' -print -delete