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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', 'benchmarker', 'profiler'
require APP_PATH
require "rails/commands/#{command}"
when 'console'
require 'rails/commands/console'
require APP_PATH
when 'server'
require 'rails/commands/server' { |server|
require APP_PATH
when 'dbconsole'
require 'rails/commands/dbconsole'
require APP_PATH
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'
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.
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