--- /dev/null
+#
+# Conditional build:
+%bcond_without doc # don't build ri/rdoc
+
+%define pkgname native-package-installer
+Summary: Helps installing native packages on "gem install".freeze
+Name: ruby-%{pkgname}
+Version: 1.0.4
+Release: 0.1
+License: LGPL v3+
+#Source0: http://rubyforge.org/frs/download.php/18699/%{pkgname}-%{version}.tgz
+Source0: http://rubygems.org/downloads/%{pkgname}-%{version}.gem
+# Source0-md5: 84f4c35d5c9e858c94b4f650a24ff8c2
+Group: Development/Languages
+URL: https://github.com/ruby-gnome2/native-package-installer
+BuildRequires: rpm-rubyprov
+BuildRequires: rpmbuild(macros) >= 1.665
+# optional locale BR, see ri/rdoc building below
+%if %(locale -a | grep -q '^en_US$'; echo $?)
+BuildRequires: glibc-localedb-all
+%endif
+BuildArch: noarch
+BuildRoot: %{tmpdir}/%{name}-%{version}-root-%(id -u -n)
+
+%description
+Users need to install native packages to install an extension library
+that depends on native packages. It bores users because users need to
+install native packages and an extension library separately.
+native-package-installer helps to install native packages on
+"gem install". Users can install both native packages and
+an extension library by one action, "gem install".freeze
+
+%package rdoc
+Summary: HTML documentation for %{pkgname}
+Summary(pl.UTF-8): Dokumentacja w formacie HTML dla %{pkgname}
+Group: Documentation
+Requires: ruby >= 1:1.8.7-4
+
+%description rdoc
+HTML documentation for %{pkgname}.
+
+%description rdoc -l pl.UTF-8
+Dokumentacja w formacie HTML dla %{pkgname}.
+
+%package ri
+Summary: ri documentation for %{pkgname}
+Summary(pl.UTF-8): Dokumentacja w formacie ri dla %{pkgname}
+Group: Documentation
+Requires: ruby
+
+%description ri
+ri documentation for %{pkgname}.
+
+%description ri -l pl.UTF-8
+Dokumentacji w formacie ri dla %{pkgname}.
+
+%prep
+%setup -q -n %{pkgname}-%{version}
+
+%build
+# write .gemspec
+%__gem_helper spec
+
+# make gemspec self-contained
+ruby -r rubygems -e 'spec = eval(File.read("%{pkgname}-%{version}.gemspec"))
+ File.open("%{pkgname}-%{version}.gemspec", "w") do |file|
+ file.puts spec.to_ruby_for_cache
+end'
+
+#'
+
+# with rdoc/ri:
+# optional locale force, see BR above as well
+# UTF8 locale needed for doc generation
+export LC_ALL=en_US.UTF-8
+
+rdoc --ri --op ri lib
+rdoc --op rdoc lib
+# rm -r ri/NOT_THIS_MODULE_RELATED_DIRS
+rm ri/created.rid
+
+%install
+rm -rf $RPM_BUILD_ROOT
+install -d $RPM_BUILD_ROOT{%{ruby_vendorlibdir},%{ruby_specdir}}
+cp -a lib/* $RPM_BUILD_ROOT%{ruby_vendorlibdir}
+cp -p %{pkgname}-%{version}.gemspec $RPM_BUILD_ROOT%{ruby_specdir}
+
+install -d $RPM_BUILD_ROOT{%{ruby_vendorlibdir},%{ruby_specdir}}
+
+%if %{with doc}
+install -d $RPM_BUILD_ROOT{%{ruby_rdocdir}/%{name}-%{version},%{ruby_ridir}}
+cp -a rdoc/* $RPM_BUILD_ROOT%{ruby_rdocdir}/%{name}-%{version}
+cp -a ri/* $RPM_BUILD_ROOT%{ruby_ridir}
+%endif
+
+%clean
+rm -rf $RPM_BUILD_ROOT
+
+%files
+%defattr(644,root,root,755)
+%doc README.md
+%{ruby_vendorlibdir}/%{pkgname}.rb
+%{ruby_vendorlibdir}/%{pkgname}
+%{ruby_specdir}/%{pkgname}-%{version}.gemspec
+
+%if %{with doc}
+%files rdoc
+%defattr(644,root,root,755)
+%{ruby_rdocdir}/%{name}-%{version}
+
+%files ri
+%defattr(644,root,root,755)
+%{ruby_ridir}/NativePackageInstaller
+%endif