Adjust files permissions on git repositories

script.sh

#!/usr/bin/env zsh

for FOLDER in *(/); do
  if [[ -d "$FOLDER/.git" ]]; then
    cd "$FOLDER" || continue

    MODIFIED_FILES=("${(@f)$(git ls-files -m)}")

    if (( ${#MODIFIED_FILES[@]} > 0 )); then
      echo "Applying chmod 644 in $FOLDER"
      chmod 644 -- "${MODIFIED_FILES[@]}"
    fi

    cd - >/dev/null || exit
  fi
done