diff --git a/jbuilder-2.7.0.gem b/jbuilder-2.7.0.gem
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diff --git a/rubygem-jbuilder.spec b/rubygem-jbuilder.spec
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+%global gem_name jbuilder
+Name:                rubygem-%{gem_name}
+Version:             2.7.0
+Release:             1
+Summary:             Create JSON structures via a Builder-style DSL
+License:             MIT
+URL:                 https://github.com/rails/jbuilder
+Source0:             https://rubygems.org/gems/%{gem_name}-%{version}.gem
+BuildRequires:       ruby(release) rubygems-devel ruby rubygem(activemodel) rubygem(multi_json)
+BuildRequires:       rubygem(mocha) rubygem(railties)
+BuildArch:           noarch
+%description
+Jbuilder gives you a simple DSL for declaring JSON structures that beats
+massaging giant hash structures. This is particularly helpful when
+the generation process is fraught with conditionals and loops.
+
+%package doc
+Summary:             Documentation for %{name}
+Requires:            %{name} = %{version}-%{release}
+BuildArch:           noarch
+
+%description doc
+Documentation for %{name}.
+
+%prep
+%setup -q -c -T
+%gem_install -n %{SOURCE0}
+
+%build
+
+%install
+mkdir -p %{buildroot}%{gem_dir}
+cp -a .%{gem_dir}/* \
+        %{buildroot}%{gem_dir}/
+
+%check
+pushd .%{gem_instdir}
+sed -i '/bundler\/setup/ s/^/#/' test/test_helper.rb
+ruby -Ilib:test -e "Dir.glob './test/*_test.rb', &method(:require)"
+popd
+
+%files
+%dir %{gem_instdir}
+%{gem_libdir}
+%exclude %{gem_cache}
+%exclude %{gem_instdir}/.*
+%license %{gem_instdir}/MIT-LICENSE
+%{gem_spec}
+
+%files doc
+%doc %{gem_docdir}
+%doc %{gem_instdir}/CHANGELOG.md
+%doc %{gem_instdir}/CONTRIBUTING.md
+%{gem_instdir}/Gemfile
+%doc %{gem_instdir}/README.md
+%{gem_instdir}/Rakefile
+%{gem_instdir}/%{gem_name}.gemspec
+%{gem_instdir}/test
+%{gem_instdir}/gemfiles
+%{gem_instdir}/Appraisals
+
+%changelog
+* Wed Aug 19 2020 tuShenmei <tushenmei@huawei.com> - 2.7.0-1
+- package init
diff --git a/rubygem-jbuilder.yaml b/rubygem-jbuilder.yaml
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+version_control: github
+src_repo: rails/jbuilder
+tag_prefix: "jbuilder-"
+separator: "."