Module: Wagn::ScriptWagnLoader

Defined in:
lib/wagn/script_wagn_loader.rb

Constant Summary collapse

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

Class Method Summary collapse

Class Method Details

.exec_script_wagn! ⇒ Object 



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# File 'lib/wagn/script_wagn_loader.rb', line 9

def self.exec_script_wagn!
  cwd = Dir.pwd
  return unless in_wagn_application? || in_wagn_application_subdirectory?
  exec RUBY, SCRIPT_WAGN, *ARGV if in_wagn_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_wagn! unless cwd == Dir.pwd
  end
rescue SystemCallError
  # could not chdir, no problem just return
end

.in_wagn_application? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/wagn/script_wagn_loader.rb', line 22

def self.in_wagn_application?
  File.exist?(SCRIPT_WAGN)
end

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

Returns:

  • (Boolean) 


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# File 'lib/wagn/script_wagn_loader.rb', line 26

def self.in_wagn_application_subdirectory? path=Pathname.new(Dir.pwd)
  File.exist?(File.join(path, SCRIPT_WAGN)) ||
    !path.root? && in_wagn_application_subdirectory?(path.parent)
end