class Bundler::Molinillo::Resolver::Resolution

def initial_state
  graph = DependencyGraph.new.tap do |dg|
    original_requested.each { |r| dg.add_root_vertex(name_for(r), nil).tap { |v| v.explicit_requirements << r } }
  end
  requirements = sort_dependencies(original_requested, graph, {})
  initial_requirement = requirements.shift
  DependencyState.new(
    initial_requirement && name_for(initial_requirement),
    requirements,
    graph,
    initial_requirement,
    initial_requirement && search_for(initial_requirement),
    0,
    {}
  )
end