Git Hook - "pre commit" - Add Copyright To Modified File

git-hook-add-copyright-to-modified-file.sh

#!/bin/sh


CPRGHT_NOTICE='/* Copyright (c) 2023 Raphael Brand
                License MIT
*/
'
for file in $(git status --porcelain | grep -E '^(M|A)' | awk '{print $2}')
do
  if ! (( $(grep -ir 'Copyright' $file | wc -l) >= 1 )); then
    echo "$CPRGHT_NOTICE$(cat $file)" > temp && mv temp $file
  fi
done