Favicon Maker Rails Task

favicon.rake

require 'favicon_maker'

def say(message)
  puts message unless Rake.application.options.silent
end

namespace :favicon do
  task :generate => :environment do
    FaviconMaker.generate do
      setup do
        template_dir  Rails.root.join(%w(app assets images))
        output_dir    Rails.public_path
      end
      
      from "favicon.png" do
        icon "apple-touch-icon-76x76-precomposed.png"
        icon "apple-touch-icon-72x72-precomposed.png"
        icon "apple-touch-icon-60x60-precomposed.png"
        icon "apple-touch-icon-57x57-precomposed.png"
        icon "apple-touch-icon-precomposed.png", size: "57x57"
        icon "apple-touch-icon.png", size: "57x57"
        icon "favicon-32x32.png"
        icon "favicon-16x16.png"
        icon "favicon.png", size: "16x16"
        icon "favicon.ico", size: "64x64,32x32,24x24,16x16"
      end
    
      each_icon do |filepath|
        says "Generated favicon at: #{filepath}"
      end
    end
  end
end

Gemfile

gem 'favicon_maker', '~> 1.3'