Rescanning changed files

gistfile1.rb

my_rails_app = "your/path/here"
changed_files = ["changed/files/here"]

require 'brakeman'

#Do initial scan
tracker = Brakeman.run :app_path => my_rails_app

puts "Warnings: #{tracker.checks.all_warnings.length}"
puts "Errors: #{tracker.errors.length}"

#Wait for it...
print "Press enter to rescan..."
gets

#This will rescan files and run the checks again, returning a Brakeman::RescanReport
report = Brakeman.rescan tracker, changed_files

#Output information if report changed
if report.warnings_changed?
  puts "Warnings: #{report.all_warnings.length}"
  puts "Errors: #{tracker.errors.length}"

  #Report difference in report (if any)
  puts "New: #{report.new_warnings.length}"

  report.new_warnings.each do |w|
    puts w.format_message
  end

  puts "Fixed: #{report.fixed_warnings.length}"

  report.fixed_warnings.each do |w|
    puts w.format_message
  end
else
  puts "No warnings changed."
  puts "Total warnings: #{report.all_warnings.length}"
end