Sha256: 92c1f1079d647b6403d16b2a6bb2bd345f11036168959aa770a6aea6e36eafc5
Contents?: true
Size: 782 Bytes
Versions: 17
Compression:
Stored size: 782 Bytes
Contents
# -*- ruby -*-
begin
require 'rgl/dot'
require 'rgl/implicit'
rescue Exception
nil
end
# Example usage:
#
# rake -R/home/hd/src/rgl/rakelib -f /usr/lib/ruby/gems/1.8/gems/rails-1.0.0/Rakefile dep_graph
desc "Generate dependency graph of rake tasks"
task :dep_graph do |task|
this_task = task.name
dep = RGL::ImplicitGraph.new do |g|
# vertices of the graph are all defined tasks without this task
g.vertex_iterator do |b|
Rake::Task.tasks.each do |t|
b.call(t) unless t.name == this_task
end
end
# neighbors of task t are its prerequisites
g.adjacent_iterator { |t, b| t.prerequisites.each(&b) }
g.directed = true
end
dep.write_to_graphic_file('png', this_task)
puts "Wrote dependency graph to #{this_task}.png."
end
Version data entries
17 entries across 17 versions & 1 rubygems