just a script to check code climate stuff on git commit or what ever

code-climate-pre-hook-git.rb

#!/usr/bin/env ruby

files = []
waiting = true
threads = []
lines = []
ignore = [
  'db/schema.rb'
]


def compile_lines_changed(files)
  lines_changed = {}
  files.each do |file|
    changes = `git diff --unified=0 --cached #{file}`.scan(/@@.*@@/)
    lines_changed[file] = []
    changes.each do |c|
      c.delete('@').strip.split(' ').each do |change|
        values = change.split(',')
        if values.size == 2
          values = values.map(&:to_i)
          values.last.times.each do |time|
            lines_changed[file].push(values.first.abs + time)
          end
        elsif values.size == 1
          lines_changed[file].push(values.first.to_i.abs)
        end
      end
    end
  end
  lines_changed
end
files += `git diff --name-only --cached`.split("\n")
lines_changed = compile_lines_changed(files)

if files.size.zero?
  puts 'no files staged'
  exit 0
end
files.reject! { |x| ignore.include?(x) }
puts 'Checking changes'
files.each do |file|
  puts file
end

exit 0 if files.size.zero?

threads << Thread.new do
  index = 0
  chars = %w[| / - \\]
  while waiting
    print "codeclimate analyzing ... #{chars[(index += 1) % chars.length]}\r"
    sleep(1)
  end
  puts 'codeclimate analyzing ... done'
end

threads << Thread.new do
  lines = %x(codeclimate analyze #{files.join(' ')})
  waiting = false
end
threads.map(&:join)
exit true if lines.include?('Found 0 issues')

line_numbers = []
lines.split("\n").each do |line|
  if line.match?(/==.*==/)
    line_numbers = lines_changed[line.delete('=').strip.split.first] || []
    puts line
  elsif line.match(/^(\d*-\d*|\d*):/)
    numbers = line.match(/^(\d*-\d*|\d*):/)[0].split('-').map(&:to_i)
    range = if numbers.size == 2
              Range.new(*numbers)
            else
              Range.new(numbers.first, numbers.first)
            end
    puts(line) if (line_numbers & range.to_a).any?
  else
    puts line
  end
end


# Open input from keyboard usin IO.new(0) normal standard in is closed
fd = IO.sysopen "/dev/tty", "r"
ios = IO.new(fd, "r")

print 'Do you want to commit anyway?(Y) '
exit ios.gets.chomp == 'Y'