def build_rss(index)
if @rss_host.nil? or @rss_gems_host.nil? then
if Gem.configuration.really_verbose then
alert_warning "no --rss-host or --rss-gems-host, RSS generation disabled"
end
return
end
require 'cgi'
require 'rubygems/text'
extend Gem::Text
Gem.time 'Generated rss' do
open @rss_index, 'wb' do |io|
rss_host = CGI.escapeHTML @rss_host
rss_title = CGI.escapeHTML(@rss_title || 'gems')
io.puts "<?xml version=\"1.0\"?>\n<rss version=\"2.0\">\n<channel>\n<title>\#{rss_title}</title>\n<link>http://\#{rss_host}</link>\n<description>Recently released gems from http://\#{rss_host}</description>\n<generator>RubyGems v\#{Gem::RubyGemsVersion}</generator>\n<docs>http://cyber.law.harvard.edu/rss/rss.html</docs>\n"
today = Gem::Specification::TODAY
yesterday = today - 86400
index = index.select do |_, spec|
spec_date = spec.date
case spec_date
when Date
Time.parse(spec_date.to_s) >= yesterday
when Time
spec_date >= yesterday
end
end
index = index.select do |_, spec|
spec_date = spec.date
case spec_date
when Date
Time.parse(spec_date.to_s) <= today
when Time
spec_date <= today
end
end
index.sort_by { |_, spec| [-spec.date.to_i, spec] }.each do |_, spec|
gem_path = CGI.escapeHTML "http://#{@rss_gems_host}/gems/#{spec.full_name}.gem"
size = File.stat(spec.loaded_from).size rescue next
description = spec.description || spec.summary || ''
authors = Array spec.authors
emails = Array spec.email
authors = emails.zip(authors).map do |email, author|
email += " (#{author})" if author and not author.empty?
end.join ', '
description = description.split(/\n\n+/).map do |chunk|
format_text chunk, 78
end
description = description.join "\n\n"
item = ''
item << "<item>\n<title>\#{CGI.escapeHTML spec.full_name}</title>\n<description>\n<pre>\#{CGI.escapeHTML description.chomp}</pre>\n</description>\n<author>\#{CGI.escapeHTML authors}</author>\n<guid>\#{CGI.escapeHTML spec.full_name}</guid>\n<enclosure url=\\\"\#{gem_path}\\\"\nlength=\\\"\#{size}\\\" type=\\\"application/octet-stream\\\" />\n<pubDate>\#{spec.date.rfc2822}</pubDate>\n"
item << "<link>\#{CGI.escapeHTML spec.homepage}</link>\n" if spec.homepage
item << "</item>\n"
io.puts item
end
io.puts "</channel>\n</rss>\n"
end
end
@files << @rss_index
end