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ARGV << '--help' if ARGV.empty?
aliases = {
"g" => "generate",
"c" => "console",
"s" => "server",
"db" => "dbconsole"
}
command = ARGV.shift
command = aliases[command] || command
case command
when 'generate', 'destroy', 'plugin'
if command == "plugin" && ARGV.first == "new"
require "rails/commands/plugin_new"
elsif command == 'generate' && ARGV.first == "plugin_new"
puts "This generator should not be used directly as a generator. You should use `rails plugin new` command instead"
exit(1)
else
require APP_PATH
Rails.application.require_environment!
if defined?(ENGINE_PATH)
engine = Rails.application.railties.engines.find { |r| r.root.to_s == ENGINE_PATH }
Rails.application = engine
end
require "rails/commands/#{command}"
end
when 'benchmarker', 'profiler'
require APP_PATH
Rails.application.require_environment!
require "rails/commands/#{command}"
when 'console'
require 'rails/commands/console'
require APP_PATH
Rails.application.require_environment!
Rails::Console.start(Rails.application)
when 'server'
# Change to the application's path if there is no config.ru file in current dir.
# This allows us to run script/rails server from other directories, but still get
# the main config.ru and properly set the tmp directory.
Dir.chdir(File.expand_path('../../', APP_PATH)) unless File.exists?(File.expand_path("config.ru"))
require 'rails/commands/server'
Rails::Server.new.tap { |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
}
when 'dbconsole'
require 'rails/commands/dbconsole'
require APP_PATH
Rails::DBConsole.start(Rails.application)
when 'application', 'runner'
require "rails/commands/#{command}"
when 'new'
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."
when '--version', '-v'
ARGV.unshift '--version'
require 'rails/commands/application'
else
puts "Error: Command not recognized" unless %w(-h --help).include?(command)
puts <<-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")
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:
application Generate the Rails application code
destroy Undo code generated with "generate"
benchmarker See how fast a piece of code runs
profiler Get profile information from a piece of code
plugin Install a plugin
runner Run a piece of code in the application environment
All commands can be run with -h for more information.
EOT
end
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