@return [RequirementState] the current state the resolution is
operating upon
Register an event handler p which is called every time a line in file_name is executed.
Example:
Tracer.set_get_line_procs("example.rb", lambda { |line| puts "line number executed is #{line}" })
Clear recorded tracing information.
Quietly ensure the Gem directory dir contains all the proper subdirectories for handling default gems. If we can’t create a directory due to a permission problem, then we will silently continue.
If mode is given, missing directories are created with this mode.
World-writable directories will never be created.
Find a Gem::Specification of default gem from path
Creates a State object from opts, which ought to be Hash to create a new State instance configured by opts, something else to create an unconfigured instance. If opts is a State object, it is just returned.
Initializes this object from orig if it can be duplicated/cloned and returns it.
Rewinds the graph to the state tagged as ‘tag` @param [Object] tag the tag to rewind to @return [Void]
Initializes a copy of a {DependencyGraph}, ensuring that all {#vertices} are properly copied. @param [DependencyGraph] other the graph to copy.
Called roughly every {#progress_rate}, this method should convey progress to the user.
@return [void]