The @CommandLine@ is able to compress, pre-package, and pre-gzip all the assets specified in the configuration file, in order to avoid an initial round of slow requests after a fresh deployment.
Make sure that we have a readable configuration file. The @jammit@ command can't run without one.
# File lib/jammit/command_line.rb, line 37 def ensure_configuration_file config = @options[:config_path] return true if File.exists?(config) && File.readable?(config) puts "Could not find the asset configuration file \"#{config}\"" exit(1) end
Uses @OptionParser@ to grab the options: --output, --config, and --base-url...
# File lib/jammit/command_line.rb, line 46 def parse_options @options = { :config_path => Jammit::DEFAULT_CONFIG_PATH, :output_folder => nil, :base_url => nil, :force => false } @option_parser = OptionParser.new do |opts| opts.on('-o', '--output PATH', 'output folder for packages (default: "public/assets")') do |output_folder| @options[:output_folder] = output_folder end opts.on('-c', '--config PATH', 'path to assets.yml (default: "config/assets.yml")') do |config_path| @options[:config_path] = config_path end opts.on('-u', '--base-url URL', 'base URL for MHTML (ex: "http://example.com")') do |base_url| @options[:base_url] = base_url end opts.on('-f', '--force', 'force a rebuild of all assets') do |force| @options[:force] = force end opts.on('-p', '--packages LIST', 'list of packages to build (ex: "core,ui", default: all)') do |package_names| @options[:package_names] = package_names.split(/,\s*/).map {|n| n.to_sym } end opts.on('-P', '--public-root PATH', 'path to public assets (default: "public")') do |public_root| puts "Option for PUBLIC_ROOT" @options[:public_root] = public_root end opts.on_tail('-v', '--version', 'display Jammit version') do puts "Jammit version #{Jammit::VERSION}" exit end end @option_parser.banner = BANNER @option_parser.parse!(ARGV) end
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