Pre-commit git hook for tracking new TODO/FIXME comments

pre-commit

#!/usr/bin/ruby
 
$refname = ARGV[0]
$oldrev = ARGV[1]
$newrev = ARGV[2]
 
def tasks
  puts 'Checking TODOs...'
  todo_pattern = /^\s*\+\s*([\/\#]+|<\!\-\-)\s*(FIXME|TODO)\W*([\s\w]+)(\-\->)?$/
  # Find task-oriented comments added with this commit
  diff_lines = `git diff-index -p -w --ignore-submodules -G"FIXME|TODO" HEAD`.split("\n")
  diff_lines.each do |line|
    if todo_pattern.match(line)
      # This simply prints them, but you could do something fancier here
      puts "#{$2}: #{$3}"
    end
  end
  puts "\n"
end
 
tasks