The full path to the gem (install path + full name).
Return all files in this gem that match for glob.
Returns a string usable in Dir.glob to match all requirable paths for this spec.
Display to the user that a gem couldn’t be found and reasons why
Creates an option parser and fills it in with the help info for the command.
Checks the permissions of the credentials file. If they are not 0600 an error message is displayed and RubyGems aborts.
Returns the RubyGems.org API key