require 'optparse' options = { environment: (ENV['RAILS_ENV'] || ENV['RACK_ENV'] || "development").dup } code_or_file = nil command = 'bin/rails runner' if ARGV.first.nil? ARGV.push "-h" end ARGV.clone.options do |opts| opts.banner = "Usage: rails runner [options] [<'Some.ruby(code)'> | ]" opts.separator "" opts.on("-e", "--environment=name", String, "Specifies the environment for the runner to operate under (test/development/production).", "Default: development") { |v| options[:environment] = v } opts.separator "" opts.on("-h", "--help", "Show this help message.") { $stdout.puts opts; exit } opts.separator "" opts.separator "Examples: " opts.separator " rails runner 'puts Rails.env'" opts.separator " This runs the code `puts Rails.env` after loading the app" opts.separator "" opts.separator " rails runner path/to/filename.rb" opts.separator " This runs the Ruby file located at `path/to/filename.rb` after loading the app" if RbConfig::CONFIG['host_os'] !~ /mswin|mingw/ opts.separator "" opts.separator "You can also use runner as a shebang line for your executables:" opts.separator " -------------------------------------------------------------" opts.separator " #!/usr/bin/env #{File.expand_path(command)}" opts.separator "" opts.separator " Product.all.each { |p| p.price *= 2 ; p.save! }" opts.separator " -------------------------------------------------------------" end opts.order! { |o| code_or_file ||= o } rescue retry end ARGV.delete(code_or_file) ENV["RAILS_ENV"] = options[:environment] require APP_PATH Rails.application.require_environment! Rails.application.load_runner if code_or_file.nil? $stderr.puts "Run '#{command} -h' for help." exit 1 elsif File.exist?(code_or_file) $0 = code_or_file Kernel.load code_or_file else begin eval(code_or_file, binding, __FILE__, __LINE__) rescue SyntaxError, NameError $stderr.puts "Please specify a valid ruby command or the path of a script to run." $stderr.puts "Run '#{command} -h' for help." exit 1 end end