Don't commit ipdb, debugger, console, and print statements.

pre-commit.rb

#!/usr/bin/env ruby
 
FORBIDDEN = [ 
  /\bdebugger\b/,
  /\bprint\b/,
  /\bconsole\.*\b/,
  /\bipdb\b/,
  /\b\.only\b/,
]
 
full_diff = `git diff --cached --`
 
full_diff.scan(%r{^\+\+\+ b/(.+)\n@@.*\n([\s\S]*?)(?:^diff|\z)}).each do |file, diff|
  added = diff.split("\n").select { |x| x.start_with?("+") }.join("\n")
  if FORBIDDEN.any? { |re| added.match(re) }
    puts "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
    puts %{WHAT ARE YOU THINKING YOU ASSHOLE! You cannnot commit "#{$1 || $&}" to #{file}}
    puts "To commit anyway, use --no-verify (which you fucking shouldn't do!)"
    puts "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
    exit 1
  end 
end