git-pre-commit-hook

#!/usr/bin/env ruby

require 'rubygems'
require 'yaml'
require 'json'

def puppet_parser_validate(file)
  system('puppet parser validate --storeconfigs ' + file)
end

def r10k_puppetfile_check(file)
  system('r10k puppetfile check ' + file)
end

def bash_check(file)
  system('bash -n ' + file)
end

def shell_check(file)
  system('shellcheck ' + file)
end

def puppet_lint(file)
  system('puppet-lint --log-format="%{filename} - %{KIND}:%{check} - %{message} on line %{line}" ' + File.absolute_path(file))
end

def puppet_epp_check(file)
  system('puppet epp validate ' + file)
end

def puppet_erb_check(file)
  system("erb -x -T '-' #{file} | ruby -c")
end

def yaml_check(file)
  YAML.load_file(file)
  rescue Exception => err
    puts "YAML invalid: #{err}"
    false
end

def json_check(file)
  JSON.parse( IO.read(file) )
  rescue Exception => err
    puts "JSON invalid: #{err}"
    false
end

# Go through list of files, and call an appropriate checker.
IO.popen('git diff --cached --name-only --diff-filter=ACM').readlines.each { |file|
  file.sub!(/^\w (.*)\n/,'\1')
  file.chomp! unless file.nil?
  puts "Processing #{file}"
  if file.match('\.pp$')
    exit 1 unless puppet_parser_validate file
    exit 1 unless puppet_lint file
  elsif file.match('\.epp$')
    exit 1 unless puppet_epp_check file
  elsif file.match('\.erb$')
    exit 1 unless puppet_erb_check file
  elsif file.match('Puppetfile')
    exit 1 unless r10k_puppetfile_check file
  elsif file.match('\.sh$')
    exit 1 unless bash_check file
    exit 1 unless shell_check file
  elsif file.match(/(\.yaml$|\.yml$|\.eyaml$)/)
    exit 1 unless yaml_check file
  elsif file.match('\.json$')
    exit 1 unless json_check file
  end
}