# File lib/rubygems/source_index.rb, line 84 def initialize specs_or_dirs = [] @gems = {} @spec_dirs = nil case specs_or_dirs when Hash then specs_or_dirs.each do |full_name, spec| add_spec spec end when Array, String then self.spec_dirs = Array(specs_or_dirs) refresh! else arg = specs_or_dirs.inspect warn "NOTE: SourceIndex.new(#{arg}) is deprecated; From #{caller.first}." end end