diff --git a/activemodel-5.2.3.gem b/activemodel-5.2.3.gem
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diff --git a/rubygem-activemodel.spec b/rubygem-activemodel.spec
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+%global gem_name activemodel
+%{?_with_bootstrap: %global bootstrap 1}
+Name:                rubygem-%{gem_name}
+Version:             5.2.3
+Release:             1
+Summary:             A toolkit for building modeling frameworks (part of Rails)
+License:             MIT
+URL:                 http://rubyonrails.org
+Source0:             https://rubygems.org/gems/activemodel-5.2.3.gem
+Source1:             https://github.com/rails/rails/archive/v5.2.3.tar.gz
+BuildRequires:       ruby(release) rubygems-devel ruby >= 2.2.2 rubygem(activesupport) = %{version}
+%if ! 0%{?bootstrap}
+BuildRequires:       rubygem(railties) = %{version}
+%endif
+BuildRequires:       rubygem(bcrypt) => 3.1.2 rubygem(builder)
+BuildArch:           noarch
+%description
+A toolkit for building modeling frameworks like Active Record. Rich support
+for attributes, callbacks, validations, serialization, internationalization,
+and testing.
+
+%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 xzvf %{SOURCE1}
+cd rails-%{version}/%{gem_name}
+%if 0%{?bootstrap}
+mv ./test/cases/railtie_test.rb{,.disable}
+%endif
+ruby -Ilib:test -e "Dir.glob('./test/**/*_test.rb').sort.each {|t| require t}"
+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}/CHANGELOG.md
+%doc %{gem_instdir}/README.rdoc
+
+%changelog
+* Sat Aug 8 2020 chengzihan <chengzihan2@huawei.com> - 5.2.3-1
+- Package init
diff --git a/rubygem-activemodel.yaml b/rubygem-activemodel.yaml
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+version_control: github
+src_repo: rails/rails
+tag_prefix: "v"
+seperator: "."
diff --git a/v5.2.3.tar.gz b/v5.2.3.tar.gz
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