crowbar/crowbar-ha

IGNORED_CLASSES = ["RSpec::Core::ExampleGroup"]
DUMP_FILE = "rubydeps.dump"
DOT_FILE  = "rubydeps.dot"
SVG_FILE  = "rubydeps.svg"

task default: "spec"

task :spec do
  sh "rspec"
end

file DUMP_FILE do
  sh "RUBYDEPS=y rspec"
end

file DOT_FILE => DUMP_FILE do
  ignore_regexp = IGNORED_CLASSES.join "|"
  sh "rubydeps --class-name-filter='^(?!#{ignore_regexp})'"
  dot = File.read(DOT_FILE)
  dot.gsub!("rankdir=LR", "rankdir=TB")
  # Unfortunately due to https://github.com/dcadenas/rubydeps/issues/4
  # we need to manually exclude some superfluous dependencies which
  # go in the wrong direction.
  dot.gsub!(/\\\n/, "")
  dot.gsub!(/^(?=\s+Object )/, "#")
  dot.gsub!(/^(?=\s+"Pacemaker::Resource::Meta" ->)/, "#")
  dot.gsub!(/^(?=\s+"Pacemaker::CIBObject" ->)/, "#")
  dot.gsub!(/^(?=\s+"Chef::Mixin::Pacemaker::StandardCIBObject" -> "(?!Pacemaker::CIBObject))/, "#")
  dot.gsub!(/^(?=\s+"Chef::Mixin::Pacemaker::RunnableResource" -> "(?!Pacemaker::CIBObject))/, "#")
  File.open(DOT_FILE, "w") { |f| f.write(dot) }
end

file SVG_FILE => DOT_FILE do
  sh "dot -Tsvg #{DOT_FILE} > #{SVG_FILE}"
end

namespace :rubydeps do
  desc "Clean rubydeps dump"
  task :clean do
    FileUtils.rm_f([DUMP_FILE])
  end

  desc "Regenerate #{DUMP_FILE}"
  task dump: DUMP_FILE

  desc "Regenerate #{DOT_FILE}"
  task dot: DOT_FILE

  desc "Regenerate #{SVG_FILE}"
  task svg: SVG_FILE
end