Method: Externals::Ext#init

Defined in:

lib/externals/ext.rb

#init(args, options = {}) ⇒ Object

# File 'lib/externals/ext.rb', line 697

def init args, options = {}
  raise ".externals already exists" if File.exist?('.externals')

  scm = options[:scm]
  type = options[:type]

  if !scm
    possible_project_classes = self.class.project_classes.select do |project_class|
      project_class.detected?
    end

    raise "Could not determine this project's scm" if  possible_project_classes.empty?
    if possible_project_classes.size > 1
      raise "This project appears to be managed by multiple SCMs: #{
      possible_project_classes.map(&:to_s).join(',')}
Please explicitly declare the SCM (using --git or --svn, or, by creating .externals manually"
    end

    scm = possible_project_classes.first.scm
  end

  if !type
    possible_project_types = self.class.project_types.select do |project_type|
      self.class.project_type_detector(project_type).detected?
    end

    if possible_project_types.size > 1
      raise "We found multiple project types that this could be: #{possible_project_types.join(',')}
Please use the --type option to tell ext which to use."
    elsif possible_project_types.size == 0
      puts "WARNING: We could not automatically determine the project type.
      Be sure to specify paths when adding subprojects to your .externals file"
    else
      type = possible_project_types.first
    end
  end

  config = Configuration::Configuration.new_empty
  raise ".externals already exists" if File.exist?('.externals')

  config.add_empty_section '.'

  # TODO: If we are using subversion, we should warn about not setting a branch
  if scm == "svn"
    if options[:branch]
      config['.'][:repository] = SvnProject.extract_repository(
        SvnProject.info_url,
        options[:branch]
      )
    elsif args[0]
      config['.'][:repository] = args[0].strip
    end
  end

  config['.'][:scm] = scm
  config['.'][:type] = type if type

  config.write '.externals'
  reload_configuration
end