Facter.add(:operatingsystemrelease) do
    confine :operatingsystem => :fedora
    setcode do
        File::open("/etc/fedora-release", "r") do |f|
            line = f.readline.chomp
            if line =~ /\(Rawhide\)$/
                "Rawhide"
            elsif line =~ /release (\d+)/
                $1
            end
        end
    end
end

Facter.add(:operatingsystemrelease) do
    confine :operatingsystem => %w{RedHat}
    setcode do
        File::open("/etc/redhat-release", "r") do |f|
            line = f.readline.chomp
            if line =~ /\(Rawhide\)$/
                "Rawhide"
            elsif line =~ /release (\d+)/
                $1
            end
        end
    end
end

Facter.add(:operatingsystemrelease) do
    confine :operatingsystem => %w{CentOS}
    setcode do
      centos_release = Facter::Util::Resolution.exec("sed -r -e 's/CentOS release //' -e 's/ \((Branch|Final)\)//' /etc/redhat-release")
        if centos_release =~ /5/
          release = Facter::Util::Resolution.exec('rpm -q --qf \'%{VERSION}.%{RELEASE}\' centos-release | cut -d. -f1,2')
        else
          release = centos_release
        end
    end
end

Facter.add(:operatingsystemrelease) do
    confine :operatingsystem => %w{Debian}
    setcode do
        release = Facter::Util::Resolution.exec('cat /etc/debian_version')
     end
end

Facter.add(:operatingsystemrelease) do
    confine :operatingsystem => %w{Ubuntu}
    setcode do
        release = Facter::Util::Resolution.exec('cat /etc/issue')
            if release =~ /Ubuntu (\d+.\d+)/
                $1
            end
    end
end

Facter.add(:operatingsystemrelease) do
    confine :operatingsystem => %w{SLES}
    setcode do
        releasefile = Facter::Util::Resolution.exec('cat /etc/SuSE-release')
        if releasefile =~ /^VERSION\s*=\s*(\d+)/
            releasemajor = $1
            if releasefile =~ /^PATCHLEVEL\s*=\s*(\d+)/
                releaseminor = $1
            else
                releaseminor = 0
            end
            releasemajor + "." + releaseminor
        else
            "unknown"
        end
    end
end

Facter.add(:operatingsystemrelease) do
    confine :operatingsystem => %w{Solaris}
    setcode do
        full_release = File.readlines("/etc/release").to_s.match(/Solaris \w+ [\w\/]+ ([^_]+_[^_]+)/).to_a.last.chomp("wos")
        if full_release =~ /^s(\d+)\w(_\w\d)+/
            $1 + $2
        else
            full_release
        end
    end
end

Facter.add(:operatingsystemrelease) do
    setcode do Facter[:kernelrelease].value end
end