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# frozen_string_literal: true
require "active_support/core_ext/string/strip"
module Rails
module Generators
module Actions
def initialize(*) # :nodoc:
super
@indentation = 0
@after_bundle_callbacks = []
end
# Adds an entry into +Gemfile+ for the supplied gem.
#
# gem "rspec", group: :test
# gem "technoweenie-restful-authentication", lib: "restful-authentication", source: "http://gems.github.com/"
# gem "rails", "3.0", git: "https://github.com/rails/rails"
# gem "RedCloth", ">= 4.1.0", "< 4.2.0"
def gem(*args)
options = args.extract_options!
name, *versions = args
# Set the message to be shown in logs. Uses the git repo if one is given,
# otherwise use name (version).
parts, message = [ quote(name) ], name.dup
if versions = versions.any? ? versions : options.delete(:version)
_versions = Array(versions)
_versions.each do |version|
parts << quote(version)
end
message << " (#{_versions.join(", ")})"
end
message = options[:git] if options[:git]
log :gemfile, message
parts << quote(options) unless options.empty?
in_root do
str = "gem #{parts.join(", ")}"
str = indentation + str
str = "\n" + str
append_file "Gemfile", str, verbose: false
end
end
# Wraps gem entries inside a group.
#
# gem_group :development, :test do
# gem "rspec-rails"
# end
def gem_group(*names, &block)
options = names.extract_options!
str = names.map(&:inspect)
str << quote(options) unless options.empty?
str = str.join(", ")
log :gemfile, "group #{str}"
in_root do
append_file "Gemfile", "\ngroup #{str} do", force: true
with_indentation(&block)
append_file "Gemfile", "\nend\n", force: true
end
end
def github(repo, options = {}, &block)
str = [quote(repo)]
str << quote(options) unless options.empty?
str = str.join(", ")
log :github, "github #{str}"
in_root do
append_file "Gemfile", "\n#{indentation}github #{str} do", force: true
with_indentation(&block)
append_file "Gemfile", "\n#{indentation}end", force: true
end
end
# Add the given source to +Gemfile+
#
# If block is given, gem entries in block are wrapped into the source group.
#
# add_source "http://gems.github.com/"
#
# add_source "http://gems.github.com/" do
# gem "rspec-rails"
# end
def add_source(source, options = {}, &block)
log :source, source
in_root do
if block
append_file "Gemfile", "\nsource #{quote(source)} do", force: true
with_indentation(&block)
append_file "Gemfile", "\nend\n", force: true
else
prepend_file "Gemfile", "source #{quote(source)}\n", verbose: false
end
end
end
# Adds a line inside the Application class for <tt>config/application.rb</tt>.
#
# If options <tt>:env</tt> is specified, the line is appended to the corresponding
# file in <tt>config/environments</tt>.
#
# environment do
# "config.action_controller.asset_host = 'cdn.provider.com'"
# end
#
# environment(nil, env: "development") do
# "config.action_controller.asset_host = 'localhost:3000'"
# end
def environment(data = nil, options = {})
sentinel = "class Application < Rails::Application\n"
env_file_sentinel = "Rails.application.configure do\n"
data ||= yield if block_given?
in_root do
if options[:env].nil?
inject_into_file "config/application.rb", optimize_indentation(data, 4), after: sentinel, verbose: false
else
Array(options[:env]).each do |env|
inject_into_file "config/environments/#{env}.rb", optimize_indentation(data, 2), after: env_file_sentinel, verbose: false
end
end
end
end
alias :application :environment
# Run a command in git.
#
# git :init
# git add: "this.file that.rb"
# git add: "onefile.rb", rm: "badfile.cxx"
def git(commands = {})
if commands.is_a?(Symbol)
run "git #{commands}"
else
commands.each do |cmd, options|
run "git #{cmd} #{options}"
end
end
end
# Create a new file in the <tt>vendor/</tt> directory. Code can be specified
# in a block or a data string can be given.
#
# vendor("sekrit.rb") do
# sekrit_salt = "#{Time.now}--#{3.years.ago}--#{rand}--"
# "salt = '#{sekrit_salt}'"
# end
#
# vendor("foreign.rb", "# Foreign code is fun")
def vendor(filename, data = nil)
log :vendor, filename
data ||= yield if block_given?
create_file("vendor/#{filename}", optimize_indentation(data), verbose: false)
end
# Create a new file in the <tt>lib/</tt> directory. Code can be specified
# in a block or a data string can be given.
#
# lib("crypto.rb") do
# "crypted_special_value = '#{rand}--#{Time.now}--#{rand(1337)}--'"
# end
#
# lib("foreign.rb", "# Foreign code is fun")
def lib(filename, data = nil)
log :lib, filename
data ||= yield if block_given?
create_file("lib/#{filename}", optimize_indentation(data), verbose: false)
end
# Create a new +Rakefile+ with the provided code (either in a block or a string).
#
# rakefile("bootstrap.rake") do
# project = ask("What is the UNIX name of your project?")
#
# <<-TASK
# namespace :#{project} do
# task :bootstrap do
# puts "I like boots!"
# end
# end
# TASK
# end
#
# rakefile('seed.rake', 'puts "Planting seeds"')
def rakefile(filename, data = nil)
log :rakefile, filename
data ||= yield if block_given?
create_file("lib/tasks/#{filename}", optimize_indentation(data), verbose: false)
end
# Create a new initializer with the provided code (either in a block or a string).
#
# initializer("globals.rb") do
# data = ""
#
# ['MY_WORK', 'ADMINS', 'BEST_COMPANY_EVAR'].each do |const|
# data << "#{const} = :entp\n"
# end
#
# data
# end
#
# initializer("api.rb", "API_KEY = '123456'")
def initializer(filename, data = nil)
log :initializer, filename
data ||= yield if block_given?
create_file("config/initializers/#{filename}", optimize_indentation(data), verbose: false)
end
# Generate something using a generator from Rails or a plugin.
# The second parameter is the argument string that is passed to
# the generator or an Array that is joined.
#
# generate(:authenticated, "user session")
def generate(what, *args)
log :generate, what
argument = args.flat_map(&:to_s).join(" ")
in_root { run_ruby_script("bin/rails generate #{what} #{argument}", verbose: false) }
end
# Runs the supplied rake task (invoked with 'rake ...')
#
# rake("db:migrate")
# rake("db:migrate", env: "production")
# rake("gems:install", sudo: true)
# rake("gems:install", capture: true)
def rake(command, options = {})
execute_command :rake, command, options
end
# Runs the supplied rake task (invoked with 'rails ...')
#
# rails_command("db:migrate")
# rails_command("db:migrate", env: "production")
# rails_command("gems:install", sudo: true)
# rails_command("gems:install", capture: true)
def rails_command(command, options = {})
execute_command :rails, command, options
end
# Just run the capify command in root
#
# capify!
def capify!
ActiveSupport::Deprecation.warn("`capify!` is deprecated and will be removed in the next version of Rails.")
log :capify, ""
in_root { run("#{extify(:capify)} .", verbose: false) }
end
# Make an entry in Rails routing file <tt>config/routes.rb</tt>
#
# route "root 'welcome#index'"
def route(routing_code)
log :route, routing_code
sentinel = /\.routes\.draw do\s*\n/m
in_root do
inject_into_file "config/routes.rb", optimize_indentation(routing_code, 2), after: sentinel, verbose: false, force: false
end
end
# Reads the given file at the source root and prints it in the console.
#
# readme "README"
def readme(path)
log File.read(find_in_source_paths(path))
end
# Registers a callback to be executed after bundle and spring binstubs
# have run.
#
# after_bundle do
# git add: '.'
# end
def after_bundle(&block)
@after_bundle_callbacks << block
end
private
# Define log for backwards compatibility. If just one argument is sent,
# invoke say, otherwise invoke say_status. Differently from say and
# similarly to say_status, this method respects the quiet? option given.
def log(*args) # :doc:
if args.size == 1
say args.first.to_s unless options.quiet?
else
args << (behavior == :invoke ? :green : :red)
say_status(*args)
end
end
# Runs the supplied command using either "rake ..." or "rails ..."
# based on the executor parameter provided.
def execute_command(executor, command, options = {}) # :doc:
log executor, command
env = options[:env] || ENV["RAILS_ENV"] || "development"
sudo = options[:sudo] && !Gem.win_platform? ? "sudo " : ""
config = { verbose: false }
config[:capture] = options[:capture] if options[:capture]
in_root { run("#{sudo}#{extify(executor)} #{command} RAILS_ENV=#{env}", config) }
end
# Add an extension to the given name based on the platform.
def extify(name) # :doc:
if Gem.win_platform?
"#{name}.bat"
else
name
end
end
# Surround string with single quotes if there is no quotes.
# Otherwise fall back to double quotes
def quote(value) # :doc:
if value.respond_to? :each_pair
return value.map do |k, v|
"#{k}: #{quote(v)}"
end.join(", ")
end
return value.inspect unless value.is_a? String
if value.include?("'")
value.inspect
else
"'#{value}'"
end
end
# Returns optimized string with indentation
def optimize_indentation(value, amount = 0) # :doc:
return "#{value}\n" unless value.is_a?(String)
if value.lines.size > 1
value.strip_heredoc.indent(amount)
else
"#{value.strip.indent(amount)}\n"
end
end
# Indent the +Gemfile+ to the depth of @indentation
def indentation # :doc:
" " * @indentation
end
# Manage +Gemfile+ indentation for a DSL action block
def with_indentation(&block) # :doc:
@indentation += 1
instance_eval(&block)
ensure
@indentation -= 1
end
end
end
end
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