Git blame and comment in every file

blame.sh

#!/bin/bash

for file in $(git ls-files); do

  commits=`git blame $file | cut -f1 -d' ' | sort -u`
  count=`git blame $file | cut -f1 -d' ' | sort -u | wc -l`
  comments=""

  for commit in $commits; do
    newcommit=`echo $commit | sed -e 's/^\^//g'`
    user=`git show -s --format='%an' $newcommit`
    dt=`git show -s --format=%ci $newcommit`
    message=`git log --format=%B -n 1 $newcommit`
    lines=`git blame $file | grep "^$commit" | cut -d '(' -f 2- | cut -d ')' -f 1 | grep -o '[^ ]*$'`
    newlines=""
    for line in $lines; do
      newlines="$newlines,$((line + count))"
    done
    comments="${comments}# $dt - $user - $message - lines:$newlines\n"
  done

  echo -e "${comments}$(cat $file)" > $file

done