initialize_copy(other)
public
Initializes a copy of a {DependencyGraph}, ensuring that all {#vertices}
are properly copied. @param [DependencyGraph] other the graph to copy.
# File lib/rubygems/resolver/molinillo/lib/molinillo/dependency_graph.rb, line 77
def initialize_copy(other)
super
@vertices = {}
@log = other.log.dup
traverse = lambda do |new_v, old_v|
return if new_v.outgoing_edges.size == old_v.outgoing_edges.size
old_v.outgoing_edges.each do |edge|
destination = add_vertex(edge.destination.name, edge.destination.payload)
add_edge_no_circular(new_v, destination, edge.requirement)
traverse.call(destination, edge.destination)
end
end
other.vertices.each do |name, vertex|
new_vertex = add_vertex(name, vertex.payload, vertex.root?)
new_vertex.explicit_requirements.replace(vertex.explicit_requirements)
traverse.call(new_vertex, vertex)
end
end
