Example GIF compiler script for Toasts.

toast.rb

#! /usr/bin/env ruby
require 'octokit'
require 'awesome_print'
require 'open-uri'

client = Octokit::Client.new(:login => ENV['GHUSER'], :oauth_token => ENV['GHTOKEN'])
repo = 'example/repo'

Dir.mkdir('build') if !File.exists?('build')

def build_issue(client, repo, number)
  comments = client.issue_comments(repo, number)
  num = 0
  comments.each do |comment|
    if m = comment.body.match(/\!\[(.*?)\]\((.*?)\)/)
      Dir.mkdir("build/#{number}") if !File.exists?("build/#{number}")

      uri = m[2]
      puts "  getting #{uri}"
      open(uri) do |f|
        num += 1
        ext = 'png'
        ext = 'jpg' if f.content_type == 'image/jpeg'
        file = "#{num}.#{ext}"
        s = File.open("build/#{number}/#{file}", "w+")
        s.write(f.read)
        s.close
      end
    end
  end
  Dir.chdir("build/#{number}") do
    puts "  building gif"
    `gifme -o toast.gif *`
  end
  file = "build/#{number}/toast.gif"
  if File.exists?(file)
    return file
  else
    return false
  end
end

toasts = client.list_issues(repo)
toasts.each do |issue|
  puts "Building ##{issue.number}: '#{issue.title}'"
  build_issue(client, repo, issue.number)
end