@return [Object] the requirement that led to a version of a possibility
with the given name being activated.
Requires the dependencies that the recently activated spec has @param [Object] activated_spec the specification that has just been
activated
@return [void]
Pushes a new {DependencyState} that encapsulates both existing and new requirements @param [Array] new_requirements @return [void]
Check that a method is callable via dRuby.
obj is the object we want to invoke the method on. msg_id is the method name, as a Symbol.
If the method is an insecure method (see insecure_method?) a SecurityError is thrown. If the method is private or undefined, a NameError is thrown.
A private helper method
Return all files in this gem that match for glob.
Checks the permissions of the credentials file. If they are not 0600 an error message is displayed and RubyGems aborts.
Performs various checks before installing the gem such as the install repository is writable and its directories exist, required Ruby and rubygems versions are met and that dependencies are installed.
Version and dependency checks are skipped if this install is forced.
The dependent check will be skipped if the install is ignoring dependencies.