WHO DOES YOUR GEM WORK FOR?!

who_do_you_work_for.rb

#!/usr/bin/env ruby
# Thanks, http://www.schneems.com/blogs/2015-09-30-reverse-rubygems/

require 'net/https'
require 'json'
require 'uri'

gem_name = ENV["GEM_NAME"]

def rubygems_get(gem_name: "", endpoint: "")
  path = File.join("/api/v1/gems/", gem_name, endpoint).chomp("/") + ".json"
  uri = URI.parse("https://rubygems.org#{path}")
  http = Net::HTTP.new(uri.host, uri.port)
  http.use_ssl = true
  http.verify_mode = OpenSSL::SSL::VERIFY_NONE # yikes

  request = Net::HTTP::Get.new(uri.request_uri)
  response = http.request(request)
  JSON.parse(response.body)
end

results = rubygems_get(gem_name: gem_name, endpoint: "reverse_dependencies")

require 'ruby-progressbar' # `gem install ruby-progressbar` - probably move to bundler?
progress_bar = ProgressBar.create(total: results.length)
weighted_results = {}
results.each do |name|
  begin
    weighted_results[name] = rubygems_get(gem_name: name)["downloads"]
    progress_bar.increment
  rescue => e             
    puts "#{name} #{e.message}"
  end
end

puts "\n"
weighted_results.sort {|(k1, v1), (k2, v2)| v2 <=> v1 }.first(50).each_with_index do |(k, v), i|
  puts "#{i}) #{k}: #{v}"
end

FYI you can use bundler/inline to declare gems https://github.com/bundler/bundler/blob/master/lib/bundler/inline.rb