Method: LibGems::SourceIndex.load_specification

Defined in:
lib/libgems/source_index.rb

.load_specification(file_name) ⇒ Object

Loads a ruby-format specification from file_name and returns the loaded spec.



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# File 'lib/libgems/source_index.rb', line 85

def load_specification(file_name)
  return nil unless file_name and File.exist? file_name

  spec_code = if defined? Encoding then
                File.read file_name, :encoding => 'UTF-8'
              else
                File.read file_name
              end.untaint

  begin
    gemspec = LibGems.with_rubygems_compat{ eval(spec_code, binding, file_name) }

    if gemspec.is_a?(LibGems::Specification)
      gemspec.loaded_from = file_name
      return gemspec
    end
    alert_warning "File '#{file_name}' does not evaluate to a gem specification"
  rescue SignalException, SystemExit
    raise
  rescue SyntaxError => e
    alert_warning e
    alert_warning spec_code
  rescue Exception => e
    alert_warning "#{e.inspect}\n#{spec_code}"
    alert_warning "Invalid .gemspec format in '#{file_name}'"
  end

  return nil
end