diff --git a/net-ssh-4.2.0.gem b/net-ssh-4.2.0.gem
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diff --git a/rubygem-net-ssh.spec b/rubygem-net-ssh.spec
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+++ b/rubygem-net-ssh.spec
@@ -0,0 +1,86 @@
+%global pkg_name %{name}
+%global gem_name net-ssh
+
+Summary: Net::SSH: a pure-Ruby implementation of the SSH2 client protocol
+Name: rubygem-%{gem_name}
+Version: 4.2.0
+Release: 1
+Group: Development/Languages
+License: MIT
+URL: https://github.com/net-ssh/net-ssh
+Source0: https://rubygems.org/gems/%{gem_name}-%{version}.gem
+Source1: https://github.com/%{gem_name}/%{gem_name}/archive/refs/tags/v%{version}.tar.gz
+
+Requires: ruby(release) >= 2
+Requires: ruby(rubygems)
+Requires: ruby
+BuildRequires: ruby(release) >= 2
+BuildRequires: rubygems-devel
+BuildRequires: ruby
+BuildArch: noarch
+Provides: rubygem(%{gem_name}) = %{version}
+Obsoletes: ruby193-rubygem-%{gem_name}
+
+%description
+Net::SSH: a pure-Ruby implementation of the SSH2 client protocol.
+
+%package doc
+Summary: Documentation for %{pkg_name}
+Group: Documentation
+Requires: %{pkg_name} = %{version}-%{release}
+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}
+%gem_install -n %{SOURCE0}
+
+%build
+
+%install
+mkdir -p %{buildroot}%{gem_dir}
+cp -a .%{gem_dir}/* \
+        %{buildroot}%{gem_dir}/
+
+# file-not-utf8 correction
+pushd %{buildroot}%{gem_instdir}
+iconv --from=ISO-8859-1 --to=UTF-8 THANKS.txt > THANKS.txt.new && \
+touch -r THANKS.txt THANKS.txt.new && \
+mv THANKS.txt.new THANKS.txt
+popd
+
+find %{buildroot}%{gem_instdir}/support/ -name *.rb -exec \
+  sed -ri '1sX/usr/bin/rubyX/usr/bin/env rubyX' {} +
+
+%files
+%defattr(-, root, root, -)
+%dir %{gem_instdir}
+%{gem_libdir}
+%doc %{gem_instdir}/LICENSE.txt
+%exclude %{gem_cache}
+%{gem_spec}
+
+%files doc
+%defattr(-, root, root, -)
+%doc %{gem_docdir}
+%doc %{gem_instdir}/README.rdoc
+%doc %{gem_instdir}/THANKS.txt
+%doc %{gem_instdir}/CHANGES.txt
+%{gem_instdir}/Gemfile*
+%{gem_instdir}/Manifest
+%{gem_instdir}/Rakefile
+%{gem_instdir}/support
+# Required to run tests
+%{gem_instdir}/net-ssh.gemspec
+%{gem_instdir}/net-ssh-public_cert.pem
+%exclude %{gem_instdir}/.*
+%exclude %{gem_instdir}/appveyor.yml
+%exclude %{gem_instdir}/ISSUE_TEMPLATE.md
+
+%changelog
+* Mon Jun 07 2021 jiangxinyu <jiangxinyu@kylinos.cn> - 4.2.0-1
+- Init project
\ No newline at end of file
diff --git a/v4.2.0.tar.gz b/v4.2.0.tar.gz
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