pre-* git scripts

pre-commit.rb

#!/usr/bin/env ruby
require 'pty'
require 'colorize'
require 'tempfile'


def system_stdout(cmd)
  system('touch tempfile')
  system("script -q /dev/null #{cmd} | tee tempfile")
  output = File.readlines 'tempfile'
  system('rm tempfile')
  output.join("\n")
end


def fail_commit
  puts
  puts "\aCOMMIT FAILED!!".red
  puts 'If you want to bypass this pre-commit hook, run the command again with the `-n` flag.'
  puts
  exit 1
end

def run_rubocop
  puts "Running rubocop...\n".black

	files = `$(git diff --cached --name-only --diff-filter=AMC | grep "\.rb$" | tr '\n' ' ')`
  
  cmd = "bundle exec rubocop #{files} -R --auto-correct --format fuubar"
  traceroute_output = system_stdout(cmd)
  n_errors = traceroute_output.scan(/(\d+) offense detected/)[0].to_i

  puts "#{n_errors} failed!".yellow
  
  fail_commit unless n_errors.zero?  
end

run_rubocop
puts
exit 0

pre-push.rb

# #!/usr/bin/env ruby
require 'colorize'

def system_stdout(cmd)
  system('touch tempfile')
  system("script -q /dev/null #{cmd} | tee tempfile")
  output = File.readlines 'tempfile'
  system('rm tempfile')
  output.join("\n")
end


def fail_commit
  puts
  puts "\aCOMMIT FAILED!!".red
  puts 'If you want to bypass this pre-push hook, run the command again with the `-n` flag.'
  puts
  exit 1
end

def run_test_suite
  puts "Running full test suite...\n".black
  rspec_output = system_stdout('rspec')

  n_examples = rspec_output.match(/(\d+) examples/)[0].to_i rescue 0
  n_failures = rspec_output.match(/(\d+) failure/)[0].to_i rescue 0
  n_errors   = (rspec_output.match(/(\d+) errors/)[0].to_i rescue 0) + n_failures
  n_pending  = rspec_output.match(/(\d+) pending/)[0].to_i rescue 0
  
  fail_commit unless n_errors.zero?
end


def run_traceroute
  puts "Running traceroute...\n".black
  traceroute_output = system_stdout('rake traceroute')
  n_errors = traceroute_output.scan(/\((\d+)\)/).map { |e| e[0].to_i rescue 0 }
  n_errors = (n_errors | [0]).reduce(:+)
  puts "#{n_errors} failed!".yellow
  fail_commit unless n_errors.zero?  
end


puts
run_test_suite
puts
run_traceroute
puts
exit 0