#!/usr/bin/env ruby
# frozen_string_literal: true

require "set"
require "json"

fingerprints = Set.new

ARGF.each_line do |line|
  fingerprint = JSON.parse(line)['fingerprint']
  $stdout.puts(line) && $stdout.flush if fingerprints.add?(fingerprint)
end

warn("auto_explain log contains #{fingerprints.size} entries")