#!/bin/bash

KUBE_HOOKS_DIR="$(dirname "$(test -L "$0" && echo "$(dirname $0)/$(readlink "$0")" || echo "$0")")"

errors=0
for file in $(git diff --cached --name-only --diff-filter ACM | grep "\.go" | grep -v "third_party"); do
  diff="$(git show ":${file}" | gofmt -s -d)"
  if [[ -n "$diff" ]]; then
    echo "# *** ERROR: *** File ${file} has not been gofmt'd." >> $1
    errors=1
  fi
  boilerplate="$(${KUBE_HOOKS_DIR}/boilerplate.sh ${file})"
  if [[ "$boilerplate" -eq "0" ]]; then
    echo "# *** ERROR: *** File ${file} needs the boilerplate header in hooks/boilerplate.txt." >> $1
    errors=1
  fi
done

if [[ $errors == "1" ]]; then
  echo "# To fix these errors, run gofmt -s -w <file>." >> $1
  echo "# If you want to commit in spite of these format errors," >> $1
  echo "# then delete this line. Otherwise, your commit will be" >> $1
  echo "# aborted." >> $1
fi