class ChefCLI::Policyfile::SolutionDependencies

def cookbook_deps_conflicts_for(cookbook_name, version)
  conflicts = []
  transitive_deps = find_cookbook_dep_by_name_and_version(cookbook_name, version)
  transitive_deps.each do |name, constraint|
    existing_cookbook = find_cookbook_dep_by_name(name)
    if existing_cookbook.nil?
      conflicts << "Cookbook #{name} isn't included in the existing cookbook set."
    elsif !constraint.satisfies?(existing_cookbook[0].version)
      conflicts << "Dependency on #{name} #{constraint} conflicts with existing version #{existing_cookbook[0]}"
    end
  end
  conflicts
end