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#!/usr/bin/env ruby
# Entrypoint for Overcommit hook integration. Installing Overcommit will result
# in all of your git hooks being copied from this file, allowing the framework
# to manage your hooks for you.
# Prevent a Ruby stack trace from appearing when we interrupt the hook.
# Note that this will be overridden when Overcommit is loaded, since the
# InterruptHandler will redefine the trap at that time.
Signal.trap('INT') do
  puts 'Hook run interrupted'
# Allow hooks to be disabled via environment variable so git commands can be run
# in scripts without Overcommit running hooks
if ENV['OVERCOMMIT_DISABLE'].to_i != 0 || ENV['OVERCOMMIT_DISABLED'].to_i != 0
hook_type = File.basename($0)
if hook_type == 'overcommit-hook'
  puts "Don't run `overcommit-hook` directly; it is intended to be symlinked " \
       "by each hook in a repository's .git/hooks directory."
  exit 64 # EX_USAGE
# Check if Overcommit should invoke a Bundler context for loading gems
require 'yaml'
# rubocop:disable Style/RescueModifier
if gemfile = YAML.load_file('.overcommit.yml')['gemfile'] rescue nil
  ENV['BUNDLE_GEMFILE'] = gemfile
  require 'bundler'
    Bundler.setup
  rescue Bundler::BundlerError => ex
    puts "Problem loading '#{gemfile}': #{ex.message}"
    puts "Try running:\nbundle install --gemfile=#{gemfile}" if ex.is_a?(Bundler::GemNotFound)
    exit 78 # EX_CONFIG
# rubocop:enable Style/RescueModifier
  require 'overcommit'
rescue LoadError
  if gemfile
    puts 'You have specified the `gemfile` option in your Overcommit ' \
         'configuration but have not added the `overcommit` gem to ' \
         "#{gemfile}."
    puts 'This repository contains hooks installed by Overcommit, but the ' \
         "`overcommit` gem is not installed.\n" \
         'Install it with `gem install overcommit`.'
  exit 64 # EX_USAGE
  logger = Overcommit::Logger.new(STDOUT)
  Overcommit::Utils.log = logger
  # Ensure master hook is up-to-date
  installer = Overcommit::Installer.new(logger)
  if installer.run(Overcommit::Utils.repo_root, action: :update)
    exec($0, *ARGV) # Execute the updated hook with all original arguments
  config = Overcommit::ConfigurationLoader.new(logger).load_repo_config
  context = Overcommit::HookContext.create(hook_type, config, ARGV, STDIN)
  config.apply_environment!(context, ENV)
  printer = Overcommit::Printer.new(config, logger, context)
  runner = Overcommit::HookRunner.new(config, logger, context, printer)
  status = runner.run
  exit(status ? 0 : 65) # 65 = EX_DATAERR
rescue Overcommit::Exceptions::ConfigurationError => error
  puts error
  exit 78 # EX_CONFIG
rescue Overcommit::Exceptions::HookContextLoadError => error
  puts error
  puts 'Are you running an old version of Overcommit?'
  exit 69 # EX_UNAVAILABLE
rescue Overcommit::Exceptions::HookLoadError,
       Overcommit::Exceptions::InvalidHookDefinition => error
  puts error.message
  puts error.backtrace
  exit 78 # EX_CONFIG
rescue Overcommit::Exceptions::HookSetupFailed,
       Overcommit::Exceptions::HookCleanupFailed => error
  puts error.message
  exit 74 # EX_IOERR
rescue Overcommit::Exceptions::HookCancelled
  puts 'You cancelled the hook run'
  exit 130 # Ctrl-C cancel
rescue Overcommit::Exceptions::InvalidGitRepo => error
  puts error
  exit 64 # EX_USAGE
rescue Overcommit::Exceptions::ConfigurationSignatureChanged => error
  puts error
  puts "For more information, see #{Overcommit::REPO_URL}#security"
rescue Overcommit::Exceptions::InvalidHookSignature
rescue StandardError => error
  puts error.message
  puts error.backtrace
  puts "Report this bug at #{Overcommit::BUG_REPORT_URL}"
  exit 70 # EX_SOFTWARE
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