# File lib/rubygems/commands/dependency_command.rb, line 158 def find_reverse_dependencies(spec) result = [] Gem.source_index.each do |name, sp| sp.dependencies.each do |dep| dep = Gem::Dependency.new(*dep) unless Gem::Dependency === dep if spec.name == dep.name and dep.version_requirements.satisfied_by?(spec.version) then result << [sp.full_name, dep] end end end result end