pre-commit.sh

#!/bin/sh

failure_status=0

git_cmd() {
  git diff --diff-filter=d --cached --name-only | grep -E $1
}

if_fail() {
  if [ $? -ne 0 ]; then
    failure_status=1
  fi
}

header() {
  echo "$(tput bold)$1$(tput sgr0)"
}


files=$(git_cmd '\.(jsx?|graphql)$')

if [[ ! -z $files ]]; then
  header "Running ESLint..."

  for file in $files; do
    git show :$file | node_modules/.bin/eslint --stdin --stdin-filename $file

    if_fail
  done
fi

files=$(git_cmd '\.(r(b|u)|rake)$')

if [[ ! -z $files ]]; then
  header "Running RuboCop..."

  bundle exec rubocop-git --config .rubocop.yml --cached

  if_fail

  if [[ ! -z $PRE_COMMIT_USE_REEK ]]; then
    header "Running reek..."

    for file in $files; do
      reek $file

      if_fail
    done
  fi
fi

if [[ $failure_status -eq 1 ]]; then
  echo "Please check your code and try again."
  echo "If you absolutely cannot deal with all the above issues, use git commit --no-verify ..."
fi

exit $failure_status