diff --git a/backports-3.11.4.gem b/backports-3.11.4.gem
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diff --git a/rubygem-backports.spec b/rubygem-backports.spec
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+%global gem_name backports
+Name:                rubygem-%{gem_name}
+Version:             3.11.4
+Release:             1
+Summary:             Backports of Ruby features for older Ruby
+License:             MIT
+URL:                 http://github.com/marcandre/backports
+Source0:             https://rubygems.org/gems/%{gem_name}-%{version}.gem
+BuildRequires:       ruby(release) rubygems-devel ruby rubygem(activesupport) rubygem(test-unit)
+BuildArch:           noarch
+%description
+Essential backports that enable many of the nice features of Ruby 1.8.7 up to
+2.1.0 for earlier versions.
+
+%package doc
+Summary:             Documentation for %{name}
+Requires:            %{name} = %{version}-%{release}
+BuildArch:           noarch
+%description doc
+Documentation for %{name}.
+
+%prep
+%setup -q -n  %{gem_name}-%{version}
+
+%build
+gem build ../%{gem_name}-%{version}.gemspec
+%gem_install
+
+%install
+mkdir -p %{buildroot}%{gem_dir}
+cp -a .%{gem_dir}/* \
+        %{buildroot}%{gem_dir}/
+
+%check
+pushd .%{gem_instdir}
+sed -i "s/^/#/" lib/backports/rails/module.rb
+ruby -Ilib -e 'Dir.glob "./test/**/*_test.rb", &method(:require)'
+popd
+
+%files
+%dir %{gem_instdir}
+%exclude %{gem_instdir}/.*
+%license %{gem_instdir}/LICENSE.txt
+%{gem_instdir}/backports.gemspec
+%{gem_libdir}
+%exclude %{gem_cache}
+%{gem_spec}
+
+%files doc
+%doc %{gem_docdir}
+%doc %{gem_instdir}/CHANGELOG.rdoc
+%{gem_instdir}/Gemfile*
+%doc %{gem_instdir}/README.rdoc
+%{gem_instdir}/Rakefile
+%{gem_instdir}/default.mspec
+%{gem_instdir}/frozen_old_spec
+%{gem_instdir}/set_version
+%{gem_instdir}/spec
+%{gem_instdir}/test
+
+%changelog
+* Wed Aug 19 2020 shenleizhao <shenleizhao@huawei.com> - 3.11.4-1
+- package init
diff --git a/rubygem-backports.yaml b/rubygem-backports.yaml
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+version_control: github
+src_repo: marcandre/backports
+tag_prefix: "v" 
+separator: "."