Ruby SIG:Draft Package Guidelines/Example Ruby Lib Spec

A .spec could look like:

%global ruby_libname packagingtest

Name:           ruby-%{ruby_libname}
Version:        0.1
Release:        1%{?dist}
Summary:        Packaging test for Ruby

Group:          Development/Tools
License:        GPLv2+
URL:            http://www.example.org
BuildRoot:      %(mktemp -ud %{_tmppath}/%{name}-%{version}-%{release}-XXXXXX)
Source0:        packagingtest.txt.tar.gz

%(for ruby_version in 1.8.6 1.8.7 1.9.1; do echo "

%package -n ruby-${ruby_version}-%{ruby_libname}
BuildRequires:  ruby-${ruby_version}
# or,
BuildRequires:  ruby(abi) = ${ruby_version}
Requires:       ruby(abi) = ${ruby_version}
Summary:        Ruby ${ruby_version} version of this package

%description -n ruby-${ruby_version}-%{ruby_libname}
Some description for the Ruby ${ruby_version} version of this
package

"; done)

%description
Some description for the Ruby library

%prep
%(for ruby_version in 1.8.6 1.8.7 1.9.1; do echo "

%setup -q -c -n ruby-${ruby_version}-%{ruby_libname}

"; done)

%build
cd %{_builddir}

function buildit() {
%configure --with-ruby=ruby-$1
}

%(for ruby_version in 1.8.6 1.8.7 1.9.1; do echo "
pushd ruby-${ruby_version}-%{ruby_libname}
buildit ${ruby_version}
make %{?_smp_mflags}
popd

"; done)

%install
rm -rf %{buildroot}
%(for ruby_version in 1.8.6 1.8.7 1.9.1; do echo "

pushd ./${ruby_version}
make install DESTDIR=%{buildroot}

"; done)

%clean
rm -rf $RPM_BUILD_ROOT

%files
%defattr(-,root,root,-)
%doc

%changelog
* Sun Jul 27 2010 Jeroen van Meeuwen <kanarip@fedoraproject.org> - 0.1-1
- Do some foo