class Datadog::Core::Remote::Configuration::Repository

def [](path)
  @contents[path]
end

def commit(transaction)
  previous = contents.dup
  touched = transaction.operations.each_with_object([]) do |op, acc|
    acc << op.apply(self)
  end
  changes = ChangeSet.new
  touched.uniq.each do |path|
    next if path.nil?
    changes.add(path, previous[path], @contents[path])
  end
  changes.freeze
end

def initialize
  @contents = ContentList.new
  @opaque_backend_state = nil
  @root_version = UNVERIFIED_ROOT_VERSION
  @targets_version = INITIAL_TARGETS_VERSION
end

def paths
  @contents.paths
end

def state
  State.new(self)
end

def transaction
  transaction = Transaction.new
  yield(self, transaction)
  commit(transaction)
end