Class: Build::ChainNode

Inherits:
Graph::Node
  • Object
show all
Defined in:
lib/build/chain_node.rb

Instance Method Summary collapse

Constructor Details

#initialize(chain, arguments, environment) ⇒ ChainNode

Returns a new instance of ChainNode.



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# File 'lib/build/chain_node.rb', line 28

def initialize(chain, arguments, environment)
  @chain = chain
  @arguments = arguments
  @environment = environment
  
  # Wait here, for all dependent targets, to be done:
  super(Files::List::NONE, :inherit, chain)
end

Instance Method Details

#apply!(scope) ⇒ Object 



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# File 'lib/build/chain_node.rb', line 98

def apply!(scope)
  @chain.dependencies.each do |dependency|
    apply_dependency(scope, dependency)
  end
end

#apply_dependency(scope, dependency) ⇒ Object 



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# File 'lib/build/chain_node.rb', line 41

def apply_dependency(scope, dependency)
  logger = scope.logger
  
  # logger.debug {"Traversing: #{dependency}..."}
  
  environments = [@environment]
  public_environments = []
  provisions = @chain.resolved[dependency]
  public_alias = dependency.alias?
  
  provisions.each do |provision|
    provision.each_dependency do |nested_dependency|
      if environment = apply_dependency(scope, nested_dependency)
        # logger.debug("Evaluating #{nested_dependency} -> #{provision} generated: #{environment}")
        
        environments << environment
        
        if public_alias || nested_dependency.public?
          public_environments << environment
        # else
        #   logger.debug("Skipping #{nested_dependency} in public environment.")
        end
      end
    end
  end
  
  unless dependency.alias?
    logger.debug {"Building: #{dependency}"}
    
    # environments.each do |environment|
    #   logger.debug {"Using #{environment}"}
    # end
    
    local_environment = Build::Environment.combine(*environments)&.evaluate || Build::Environment.new
    
    # logger.debug("Local Environment: #{local_environment}")
    
    task_class = Rulebook.for(local_environment).with(Task, environment: local_environment)
    task = task_class.new(scope.walker, self, scope.group, logger: scope.logger)
    
    output_environment = nil
    
    task.visit do
      output_environment = Build::Environment.new(local_environment, name: dependency.name)
      
      provisions.each do |provision|
        # When executing the environment build steps, we create new build nodes. But those build nodes are not capturing the right task class.
        output_environment.construct!(task, *@arguments, &provision.value)
      end
      
      public_environments << output_environment.dup(parent: nil, name: dependency.name)
    end
  end
  
  return Build::Environment.combine(*public_environments)
end

#task_class ⇒ Object 



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# File 'lib/build/chain_node.rb', line 37

def task_class
  Task
end

#to_s ⇒ Object 



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# File 'lib/build/chain_node.rb', line 104

def to_s
  "#<#{self.class}>"
end