Module: Build

Defined in:
lib/build/name.rb,
lib/build/rule.rb,
lib/build/task.rb,
lib/build/version.rb,
lib/build/graphviz.rb,
lib/build/rulebook.rb,
lib/build/rule_node.rb,
lib/build/build_node.rb,
lib/build/chain_node.rb,
lib/build/controller.rb,
lib/build/provision_node.rb,
lib/build/dependency_node.rb

Defined Under Namespace

Modules: DependenciesFailed, ProvisionsFailed Classes: BuildNode, BuildTask, ChainNode, Controller, DependencyNode, DependencyTask, Name, NoApplicableRule, ProvisionNode, ProvisionTask, Rule, RuleNode, Rulebook, Task

Constant Summary collapse

VERSION = 
"2.7.0"

Class Method Summary collapse

Class Method Details

.graph_visualisation(walker) ⇒ Object

Generate a Graphviz graph visualisation of the build graph.



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# File 'lib/build/graphviz.rb', line 10

def self.graph_visualisation(walker)
	graph = Graphviz::Graph.new("G", rankdir: "LR")
	
	walker.tasks.each do |node, task|
		input_nodes = []
		output_nodes = []
		
		task.inputs.each do |path|
			input_nodes << graph.add_node(path.basename)
		end
		
		task.outputs.each do |path|
			output_nodes << graph.add_node(path.basename)
		end
		
		if output_nodes.size == 1
			input_nodes.each do |input_node|
				edge = input_node.connect(output_nodes.first)
				edge.attributes[:label] = node.title
			end
		end
	end
	
	return graph
end