ruby/rubygems · error · Gem::OptionParser::InvalidArgument

#{value} (#{valid.join ", "} are valid)

Error message

#{value} (#{valid.join ", "} are valid)

What it means

Error "#{value} (#{valid.join ", "} are valid)" thrown in ruby/rubygems.

Source

Thrown at lib/rubygems/security_option.rb:32

  class Policy # :nodoc:
  end
end

##
# Mixin methods for security option for Gem::Commands

module Gem::SecurityOption
  def add_security_option
    Gem::OptionParser.accept Gem::Security::Policy do |value|
      require_relative "security"

      raise Gem::OptionParser::InvalidArgument, "OpenSSL not installed" unless
        defined?(Gem::Security::HighSecurity)

      policy = Gem::Security::Policies[value]
      unless policy
        valid = Gem::Security::Policies.keys.sort
        raise Gem::OptionParser::InvalidArgument, "#{value} (#{valid.join ", "} are valid)"
      end
      policy
    end

    add_option(:"Install/Update", "-P", "--trust-policy POLICY",
               Gem::Security::Policy,
               "Specify gem trust policy") do |value, options|
      options[:security_policy] = value
    end
  end
end

View on GitHub (pinned to 86cbb817a3)

Solutions

1. Use one of the valid security policy names listed in the message (e.g. --trust-policy MediumSecurity)

When it happens

Trigger: Thrown at lib/rubygems/security_option.rb:32 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of ruby/rubygems@86cbb817a3 (2026-08-23). Data as JSON: /api/errors/f1470a173436bdf9. Report an issue: GitHub.