Creates a new old-format package reader for gem. Old-format packages cannot be written.
Creates a new TarHeader using vals
Creates a new TarReader on io and yields it to the block, if given.
Creates a new TarWriter, yielding it if a block is given
Creates a new GemDependencyAPI that will add dependencies to the Gem::RequestSet set based on the dependency API description in path.
Creates a new ActivationRequest that will activate spec. The parent request is used to provide diagnostics in case of conflicts.
Creates a new APISet that will retrieve gems from uri using the RubyGems API URL dep_uri which is described at guides.rubygems.org/rubygems-org-api
Creates a BestSet for the given sources or Gem::sources if none are specified. sources must be a Gem::SourceList.
Creates a new ComposedSet containing sets. Use Gem::Resolver::compose_sets instead.
Creates a new resolver conflict when dependency is in conflict with an already activated specification.
Creates a new DependencyRequest for dependency from requester. +requester may be nil if the request came from a user.
An IndexSpecification is created from the index format described in ‘gem help generate_index`.
The set contains other specifications for this (URL) source.
The name, version and platform are the name, version and platform of the gem.
Creates a new InstallerSet that will look for gems in domain.
Creates a new LockSet from the given sources
Creates a new RequirementList.
Creates a SourceSet for the given sources or Gem::sources if none are specified. sources must be a Gem::SourceList.
A SpecSpecification is created for a set for a Gem::Specification in spec. The source is either where the spec came from, or should be loaded from.
Sets default instance variables for the specification.