Module: Rails::ScriptRailsLoader

Defined in:
railties/lib/rails/script_rails_loader.rb

Constant Summary collapse

RUBY = 
File.join(*RbConfig::CONFIG.values_at("bindir", "ruby_install_name")) + RbConfig::CONFIG["EXEEXT"]
SCRIPT_RAILS = 
File.join('script', 'rails')

Class Method Summary collapse

Class Method Details

.exec_script_rails! ⇒ Object 



8
9
10
11
12
13
14
15
16
17
18
19
 
# File 'railties/lib/rails/script_rails_loader.rb', line 8

def self.exec_script_rails!
  cwd = Dir.pwd
  return unless in_rails_application? || in_rails_application_subdirectory?
  exec RUBY, SCRIPT_RAILS, *ARGV if in_rails_application?
  Dir.chdir("..") do
    # Recurse in a chdir block: if the search fails we want to be sure
    # the application is generated in the original working directory.
    exec_script_rails! unless cwd == Dir.pwd
  end
rescue SystemCallError
  # could not chdir, no problem just return
end

.in_rails_application? ⇒ Boolean

Returns:

  • (Boolean) 


21
22
23
 
# File 'railties/lib/rails/script_rails_loader.rb', line 21

def self.in_rails_application?
  File.exists?(SCRIPT_RAILS)
end

.in_rails_application_subdirectory?(path = Pathname.new(Dir.pwd)) ⇒ Boolean

Returns:

  • (Boolean) 


25
26
27
 
# File 'railties/lib/rails/script_rails_loader.rb', line 25

def self.in_rails_application_subdirectory?(path = Pathname.new(Dir.pwd))
  File.exists?(File.join(path, SCRIPT_RAILS)) || !path.root? && in_rails_application_subdirectory?(path.parent)
end