## # An InstalledSpecification represents a gem that is already installed # locally. class Gem::Resolver::InstalledSpecification < Gem::Resolver::SpecSpecification def == other # :nodoc: self.class === other and @set == other.set and @spec == other.spec end ## # This is a null install as this specification is already installed. # +options+ are ignored. def install options yield nil end ## # Returns +true+ if this gem is installable for the current platform. def installable_platform? # BACKCOMPAT If the file is coming out of a specified file, then we # ignore the platform. This code can be removed in RG 3.0. return true if @source.kind_of? Gem::Source::SpecificFile super end ## # The source for this specification def source @source ||= Gem::Source::Installed.new end end