Class: Teapot::Command::Build

Inherits:
Samovar::Command
  • Object
show all
Defined in:
lib/teapot/command/build.rb

Instance Method Summary collapse

Instance Method Details

#invoke(parent) ⇒ Object 



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# File 'lib/teapot/command/build.rb', line 42

def invoke(parent)
  context = parent.context
  
  # The targets to build:
  if @targets.any?
    selection = context.select(@targets)
  else
    selection = context.select(context.configuration.targets[:build])
  end
  
  chain = selection.chain
  
  ordered = chain.ordered
  
  if @options[:only]
    ordered = selection.direct_targets(ordered)
  end
  
  controller = ::Build::Controller.new(logger: parent.logger, limit: @options[:limit]) do |controller|
    ordered.each do |resolution|
      target = resolution.provider
      
      if target.build
        environment = target.environment(selection.configuration, chain)
        
        controller.add_target(target, environment.flatten, self.argv)
      end
    end
  end
  
  walker = nil
  
  # We need to catch interrupt here, and exit with the correct exit code:
  begin
    controller.run do |walker|
      # show_dependencies(walker)
      
      # Only run once is asked:
      unless @options[:continuous]
        if walker.failed?
          raise BuildFailedError.new("Failed to build all nodes successfully!")
        end
      
        break
      end
    end
  rescue Interrupt
    if walker && walker.failed?
      raise BuildFailedError.new("Failed to build all nodes successfully!")
    end
  end
  
  return chain, ordered
end

#show_dependencies(walker) ⇒ Object 



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# File 'lib/teapot/command/build.rb', line 97

def show_dependencies(walker)
  outputs = {}
  
  walker.tasks.each do |node, task|
    # puts "Task #{task} (#{node}) outputs:"
    
    task.outputs.each do |path|
      path = path.to_s
      
      # puts "\t#{path}"
      
      outputs[path] = task
    end
  end
  
  walker.tasks.each do |node, task|
    dependencies = {}
    task.inputs.each do |path|
      path = path.to_s
      
      if generating_task = outputs[path]
        dependencies[path] = generating_task
      end
    end
    
    puts "Task #{task.inspect} has #{dependencies.count} dependencies."
    dependencies.each do |path, task|
      puts "\t#{task.inspect}: #{path}"
    end
  end
end