gt-or-eq.rb

#!/usr/bin/env ruby

# Usage:
#
#   gt-or-eq.rb hitimes-1.0.4
#
require 'open-uri'
require 'rubygems'

base_url = "http://rubygems.org/quick/Marshal.4.8"

gem = ARGV.shift

begin 
  marshal_z = open("#{base_url}/#{gem}.gemspec.rz").read
  marshal   = Gem.inflate( marshal_z )
  spec      = Marshal.load( marshal )
  spec.dependencies.each do |dep|
    dep.requirement.requirements.each do |req|
      if req.first == ">=" then
        puts "Bad #{spec.email} you are using #{req.inspect}"
      end
    end
  end
rescue => e
  $stderr.puts "Error: #{e.message}"
end