Generate change table for specific file using git commit history

blame.sh

#!/bin/bash

file=$1

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

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" | grep -o '[^\(]*$' | cut -d')' -f1 | grep -o '[^ ]*$'`
  newlines=""
  for line in $lines; do
    newlines="$newlines,$((line + count + 1))"
  done
  echo $dt - $user - $message - lines:$newlines
done