module Gem2Rpm

# File lib/gem2rpm.rb, line 33
def Gem2Rpm.convert(fname, template=TEMPLATE, out=$stdout,
                    nongem=true, local=false, doc_subpackage = true)
  package = Gem2Rpm::Package.new(fname)
  format = Gem2Rpm::Format.new(package)
  spec = Gem2Rpm::Specification.new(package.spec)
  spec.description ||= spec.summary
  download_path = ""
  unless local
    begin
      download_path = find_download_url(spec.name, spec.version)
    rescue DownloadUrlError => 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 15
def self.find_download_url(name, version)
  dep = Gem::Dependency.new(name, "=#{version}")
  fetcher = Gem2Rpm::SpecFetcher.new(Gem::SpecFetcher.fetcher)

  spec_and_source, errors = fetcher.spec_for_dependency(dep, false)

  raise DownloadUrlError.new(errors.first.error.message) unless errors.empty?

  spec, source = spec_and_source.first

  if source && source.uri
    download_path = source.uri.to_s
    download_path += "gems/"
  end

  download_path
end

# File lib/gem2rpm.rb, line 57
def Gem2Rpm.packager()
  packager = %xrpmdev-packager`.chomp rescue ''

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

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

  packager
end

# File lib/gem2rpm.rb, line 72
def Gem2Rpm.template_dir
  File.join(File.dirname(__FILE__), '..', 'templates')
end