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Diffstat (limited to 'railties/lib/rails/commands/commands_tasks.rb')
| -rw-r--r-- | railties/lib/rails/commands/commands_tasks.rb | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/railties/lib/rails/commands/commands_tasks.rb b/railties/lib/rails/commands/commands_tasks.rb deleted file mode 100644 index 685d55eea8..0000000000 --- a/railties/lib/rails/commands/commands_tasks.rb +++ /dev/null @@ -1,185 +0,0 @@ -module Rails - # This is a class which takes in a rails command and initiates the appropriate - # initiation sequence. - # - # Warning: This class mutates ARGV because some commands require manipulating - # it before they are run. - class CommandsTasks # :nodoc: - attr_reader :argv - - HELP_MESSAGE = <<-EOT -Usage: rails COMMAND [ARGS] - -The most common rails commands are: - generate Generate new code (short-cut alias: "g") - console Start the Rails console (short-cut alias: "c") - server Start the Rails server (short-cut alias: "s") - test Run tests (short-cut alias: "t") - dbconsole Start a console for the database specified in config/database.yml - (short-cut alias: "db") - new Create a new Rails application. "rails new my_app" creates a - new application called MyApp in "./my_app" - -In addition to those, there are: - destroy Undo code generated with "generate" (short-cut alias: "d") - plugin new Generates skeleton for developing a Rails plugin - runner Run a piece of code in the application environment (short-cut alias: "r") - -All commands can be run with -h (or --help) for more information. -EOT - - COMMAND_WHITELIST = %w(plugin generate destroy console server dbconsole runner new version help test) - - def initialize(argv) - @argv = argv - end - - def run_command!(command) - command = parse_command(command) - if COMMAND_WHITELIST.include?(command) - send(command) - else - write_error_message(command) - end - end - - def plugin - require_command!("plugin") - end - - def generate - generate_or_destroy(:generate) - end - - def destroy - generate_or_destroy(:destroy) - end - - def console - require_command!("console") - options = Rails::Console.parse_arguments(argv) - - # RAILS_ENV needs to be set before config/application is required - ENV['RAILS_ENV'] = options[:environment] if options[:environment] - - # shift ARGV so IRB doesn't freak - shift_argv! - - require_application_and_environment! - Rails::Console.start(Rails.application, options) - end - - def server - set_application_directory! - require_command!("server") - - Rails::Server.new.tap do |server| - # We need to require application after the server sets environment, - # otherwise the --environment option given to the server won't propagate. - require APP_PATH - Dir.chdir(Rails.application.root) - server.start - end - end - - def test - require_command!("test") - end - - def dbconsole - require_command!("dbconsole") - Rails::DBConsole.start - end - - def runner - require_command!("runner") - end - - def new - if %w(-h --help).include?(argv.first) - require_command!("application") - else - exit_with_initialization_warning! - end - end - - def version - argv.unshift '--version' - require_command!("application") - end - - def help - write_help_message - end - - private - - def exit_with_initialization_warning! - puts "Can't initialize a new Rails application within the directory of another, please change to a non-Rails directory first.\n" - puts "Type 'rails' for help." - exit(1) - end - - def shift_argv! - argv.shift if argv.first && argv.first[0] != '-' - end - - def require_command!(command) - require "rails/commands/#{command}" - end - - def generate_or_destroy(command) - require 'rails/generators' - require_application_and_environment! - Rails.application.load_generators - require_command!(command) - end - - # Change to the application's path if there is no config.ru file in current directory. - # This allows us to run `rails server` from other directories, but still get - # the main config.ru and properly set the tmp directory. - def set_application_directory! - Dir.chdir(File.expand_path('../../', APP_PATH)) unless File.exist?(File.expand_path("config.ru")) - end - - def require_application_and_environment! - require APP_PATH - Rails.application.require_environment! - end - - def write_help_message - puts HELP_MESSAGE - end - - # Output an error message stating that the attempted command is not a valid rails command. - # Run the attempted command as a rake command with the --dry-run flag. If successful, suggest - # to the user that they possibly meant to run the given rails command as a rake command. - # Append the help message. - # - # Example: - # $ rails db:migrate - # Error: Command 'db:migrate' not recognized - # Did you mean: `$ rake db:migrate` ? - # (Help message output) - # - def write_error_message(command) - puts "Error: Command '#{command}' not recognized" - if %x{rake #{command} --dry-run 2>&1 } && $?.success? - puts "Did you mean: `$ rake #{command}` ?\n\n" - end - write_help_message - exit(1) - end - - def parse_command(command) - case command - when '--version', '-v' - 'version' - when '--help', '-h' - 'help' - else - command - end - end - end -end |