Cane, Flay, Brakeman rake tasks with non-zero exit code

code_stats.rb

namespace :brakeman do

  desc "Run Brakeman"
  task :run, :output_files do |t, args|
    begin
      require 'brakeman'

      files = args[:output_files].split(' ') if args[:output_files]
      tracker = Brakeman.run app_path: ".", output_files: files, print_report: false, ignore_model_output: true

      puts "Running Brakeman..."

      if tracker.checks.all_warnings.length != 0
        puts tracker.report

        puts "Found #{tracker.checks.all_warnings.length} view warnings, should be 0."
        puts "Found #{tracker.checks.warnings.length} security warnings, should be 0."
        puts "Found #{tracker.errors.length} parse errors (these can be ignored)."
        fail "!!! Brakeman found warnings that need to be fixed !!!"
      end

      puts "Brakeman Finished! No warnings found."
    rescue LoadError
      warn "Brakeman not available."
    end
  end
end

namespace :cane do
  desc "Run Cane"
  task :run do
    begin
      require 'cane/cli'

      puts "Running Cane..."

      # will pick up .cane from root of project
      unless Cane::CLI.run([])
        fail "!!! Cane found warnings that need to be fixed !!!"
      end

      puts "Cane Finished! No warnings found."
    rescue LoadError
      warn "Cane not available."
    end
  end
end

namespace :flay do

  desc "Run Flay"
  task :run do
    begin
      require "flay"

      puts "Running Flay..."

      flay = Flay.new({mass: 30})
      flay.process(*Flay.expand_dirs_to_files(%w[app]))

      fail "!!! Flay found warnings that need to be fixed !!!" if flay.report.size >= 1

      puts "Flay Finished! No warnings found."
    rescue LoadError
      warn "Flay not available."
    end
  end
end