diff --git a/diff-lcs-1.3.gem b/diff-lcs-1.3.gem
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diff --git a/rubygem-diff-lcs.spec b/rubygem-diff-lcs.spec
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+%global gem_name diff-lcs
+%{!?_with_bootstrap: %global bootstrap 0}
+Name:                rubygem-%{gem_name}
+Version:             1.3
+Release:             1
+Summary:             Provide a list of changes between two sequenced collections
+License:             GPLv2+ or Artistic or MIT
+URL:                 https://github.com/halostatue/diff-lcs
+Source0:             https://rubygems.org/gems/diff-lcs-%{version}.gem
+BuildRequires:       rubygems-devel
+%if ! 0%{?bootstrap}
+BuildRequires:       rubygem(rspec)
+%endif
+BuildRequires:       ruby(release)
+BuildArch:           noarch
+%description
+Diff::LCS computes the difference between two Enumerable sequences using the
+McIlroy-Hunt longest common subsequence (LCS) algorithm. It includes utilities
+to create a simple HTML diff output format and a standard diff-like tool.
+
+%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}/
+mkdir -p %{buildroot}%{_bindir}
+cp -pa .%{_bindir}/* \
+        %{buildroot}%{_bindir}/
+find %{buildroot}%{gem_instdir}/bin -type f | xargs chmod a+x
+sed -i 's|^#!.*|#!/usr/bin/ruby|' %{buildroot}%{gem_instdir}/bin/{htmldiff,ldiff}
+%if ! 0%{?bootstrap}
+
+%check
+pushd .%{gem_instdir}
+rspec spec
+popd
+%endif
+
+%files
+%dir %{gem_instdir}
+%{_bindir}/htmldiff
+%{_bindir}/ldiff
+%exclude %{gem_instdir}/.*
+%license %{gem_instdir}/License.md
+%license %{gem_instdir}/docs
+%{gem_instdir}/bin
+%{gem_libdir}
+%exclude %{gem_cache}
+%{gem_spec}
+
+%files doc
+%doc %{gem_docdir}
+%doc %{gem_instdir}/Code-of-Conduct.md
+%doc %{gem_instdir}/Contributing.md
+%doc %{gem_instdir}/History.md
+%doc %{gem_instdir}/Manifest.txt
+%{gem_instdir}/autotest
+%doc %{gem_instdir}/README.rdoc
+%{gem_instdir}/Rakefile
+%{gem_instdir}/spec
+
+%changelog
+* Mon Aug 10 2020 yanan li <liyanan032@huawei.com> - 1.3-1
+- Package init
diff --git a/rubygem-diff-lcs.yaml b/rubygem-diff-lcs.yaml
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+git_url: https://github.com/halostatue/diff-lcs.git
+version_control: github
+src_repo: halostatue/diff-lcs
+tag_prefix: "^v"
+seperator: "."