module Gem2Rpm

# File lib/gem2rpm.rb, line 37
def Gem2Rpm.convert(fname, template=TEMPLATE, out=$stdout,
                    nongem=true, local=false, doc_subpackage = true)
  format = Gem::Format.from_file_by_path(fname)
  spec = Gem2Rpm::Specification.new(format.spec)
  spec.description ||= spec.summary
  download_path = ""
  unless local
    begin
      download_path = find_download_url(spec.name, spec.version)
    rescue Gem::Exception => e
      $stderr.puts "Warning: Could not retrieve full URL for #{spec.name}\nWarning: Edit the specfile and enter the full download URL as 'Source0' manually"
      $stderr.puts "#{e.inspect}"
    end
  end
  template = ERB.new(template, 0, '-')
  out.puts template.result(binding)
rescue Gem::Exception => e
  puts e
end

# File lib/gem2rpm.rb, line 21
def self.find_download_url(name, version)
  installer = Gem::RemoteInstaller.new
  dummy, download_path = installer.find_gem_to_install(name, "=#{version}")
  download_path += "/gems/" if download_path.to_s != ""
  return download_path
end

# File lib/gem2rpm.rb, line 60
def Gem2Rpm.packager()
  packager = %xrpmdev-packager`.chomp

  if packager.empty?
    packager = %xrpm --eval '%{packager}'`.chomp
  end

  if packager.empty? or packager == '%{packager}'
    packager = "#{Etc::getpwnam(Etc::getlogin).gecos} <#{Etc::getlogin}@#{Socket::gethostname}>"
  end

  packager
end

# File lib/gem2rpm.rb, line 74
def Gem2Rpm.template_dir
  File.join(File.dirname(__FILE__), '..', 'templates')
end