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diff --git a/rubygem-delorean-2.1.0-spec.tgz b/rubygem-delorean-2.1.0-spec.tgz
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diff --git a/rubygem-delorean.spec b/rubygem-delorean.spec
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+%global gem_name delorean
+Name:                rubygem-%{gem_name}
+Version:             2.1.0
+Release:             1
+Summary:             Delorean lets you travel in time with Ruby by mocking Time.now
+License:             MIT
+URL:                 https://github.com/bebanjo/delorean
+Source0:             http://rubygems.org/gems/%{gem_name}-%{version}.gem
+# to get specs:
+# git clone https://github.com/bebanjo/delorean.git && cd delorean
+# git checkout v2.1.0
+# tar -czf rubygem-delorean-2.1.0-spec.tgz spec/
+Source1:             %{name}-%{version}-spec.tgz
+BuildRequires:       ruby(release) rubygems-devel ruby rubygem(rspec) rubygem(activesupport)
+BuildRequires:       rubygem(chronic)
+BuildArch:           noarch
+%description
+Delorean lets you travel in time with Ruby by mocking Time.now.
+
+%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}
+tar xzf %{SOURCE1}
+rspec spec
+popd
+
+%files
+%dir %{gem_instdir}
+%license %{gem_instdir}/MIT-LICENSE
+%{gem_libdir}
+%exclude %{gem_cache}
+%{gem_spec}
+
+%files doc
+%doc %{gem_docdir}
+%doc %{gem_instdir}/README.md
+
+%changelog
+* Fri Aug 21 2020 fanjiachen <fanjiachen3@huawei.com> - 2.1.0-1
+- package init
diff --git a/rubygem-delorean.yaml b/rubygem-delorean.yaml
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+version_control: github
+src_repo: bebanjo/delorean
+tag_prefix: "v"
+seperator: "."