diff --git a/fast_gettext-1.4.1.gem b/fast_gettext-1.4.1.gem
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diff --git a/rubygem-fast_gettext.spec b/rubygem-fast_gettext.spec
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+%{?scl:%scl_package rubygem-%{gem_name}}
+%{!?scl:%global pkg_name %{name}}
+
+%global gem_name fast_gettext
+
+Summary: A simple, fast, memory-efficient and threadsafe implementation of GetText
+Name: %{?scl_prefix}rubygem-%{gem_name}
+Version: 1.4.1
+Release: 1
+Group: Development/Languages
+# fast_gettext is MIT. However the files in lib/vendor directory
+# are GPLv2+ or Ruby licensed.
+# https://github.com/grosser/fast_gettext/issues/50
+License: MIT and (GPLv2+ or Ruby)
+URL: https://github.com/grosser/fast_gettext
+Source0: https://rubygems.org/gems/%{gem_name}-%{version}.gem
+
+Requires: %{?scl_prefix_ruby}ruby(release)
+Requires: %{?scl_prefix_ruby}rubygems
+BuildRequires: %{?scl_prefix_ruby}ruby(release)
+BuildRequires: %{?scl_prefix_ruby}rubygems
+BuildRequires: %{?scl_prefix_ruby}rubygems-devel
+BuildArch: noarch
+Provides: %{?scl_prefix}rubygem(%{gem_name}) = %{version}
+%{?scl:Obsoletes: ruby193-rubygem-%{gem_name}}
+
+%description
+A simple, fast, memory-efficient and threadsafe implementation of GetText
+
+%package doc
+Summary: Documentation for %{pkg_name}
+Group: Documentation
+Requires: %{?scl_prefix}%{pkg_name} = %{version}-%{release}
+%{?scl:Obsoletes: ruby193-rubygem-%{gem_name}-doc}
+BuildArch: noarch
+
+%description doc
+Documentation for %{pkg_name}
+
+%prep
+%setup -n %{pkg_name}-%{version} -q -c -T
+mkdir -p .%{gem_dir}
+%{?scl:scl enable %{scl} - <<EOF}
+%gem_install -n %{SOURCE0}
+%{?scl:EOF}
+
+%build
+
+%install
+mkdir -p %{buildroot}%{gem_dir}
+cp -a .%{gem_dir}/* \
+        %{buildroot}%{gem_dir}/
+
+# SCL-enable shebang lines
+find %{buildroot}%{gem_libdir} -type f -exec \
+  sed -i -e 's"^#! /usr/bin/ruby"#!%{?scl:%_scl_root}/usr/bin/ruby"' {} +
+
+%files
+%dir %{gem_instdir}
+%doc %{gem_instdir}/Readme.md
+%{gem_libdir}
+%exclude %{gem_cache}
+%{gem_spec}
+
+%files doc
+%doc %{gem_instdir}/CHANGELOG
+%doc %{gem_docdir}
+
+%changelog
+* Mon Jun 07 2021 jiangxinyu <jiangxinyu@kylinos.cn> - 1.4.1-1
+- Init project
\ No newline at end of file