git pre-commit hook to format terraform files

pre-commit

#!/usr/bin/env /bin/sh
set -e

files=$(git diff --cached --name-only --diff-filter=d)
for f in $files
do
  if [ -e "$f" ] && [[ $f == *.tf ]]; then
    printf "Formatting $f\n"
    terraform fmt -check=true $f
  fi
done