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Certain attributes are required on specific tags in an RSS feed. If a feed is missing one of these attributes, a MissingAttributeError is raised.

BasicSpecification is an abstract class which implements some common code used by both Specification and StubSpecification.

The command manager registers and installs all the individual sub-commands supported by the gem command.

Extra commands can be provided by writing a rubygems_plugin.rb file in an installed gem. You should register your command against the Gem::CommandManager instance, like this:

# file rubygems_plugin.rb
require 'rubygems/command_manager'

Gem::CommandManager.instance.register_command :edit

You should put the implementation of your command in rubygems/commands.

# file rubygems/commands/edit_command.rb
class Gem::Commands::EditCommand < Gem::Command
  # ...
end

See Gem::Command for instructions on writing gem commands.

Raised when attempting to uninstall a gem that isn’t in GEM_HOME.

Potentially raised when a specification is validated.

Used to raise parsing and loading errors

Potentially raised when a specification is validated.

Raised when a gem dependencies file specifies a ruby version that does not match the current version.

Raised by Gem::Validator when something is not right in a gem.

Raised to indicate that a system exit should occur with the specified exit_code

Raised by Resolver when a dependency requests a gem for which there is no spec.