Rubocop no pre-commit

pre-commit

#!/bin/sh
#
# Check for ruby style errors
# To install follow:
# 1. add this file to your repository .git/hooks/pre-commit
# 2. chmod +x .git/hooks/pre-commit
# 
# To skip rubocop checks, before you commit things do:
# SKIP_RC=1 git commit -m 'my skipped commit'

red='\033[0;31m'
green='\033[0;32m'
yellow='\033[0;33m'
NC='\033[0m'

against=HEAD

# Check if rubocop is installed for the current project
bin/bundle exec rubocop -v >/dev/null 2>&1 || { echo -e >&2 "${red}[Ruby Style][Fatal]: Add rubocop to your Gemfile"; exit 1; }

# Get only the staged files
FILES="$(git diff --cached --name-only --diff-filter=AMC | grep "\.rb$" | tr '\n' ' ')"

echo -e "${green}[Ruby Style][Info]: Checking Ruby Style${NC}"

if [ -n "$FILES" ]
then
	echo -e "${green}[Ruby Style][Info]: ${FILES}${NC}"

	if [ ! -f '.rubocop.yml' ]; then
	  echo -e "${yellow}[Ruby Style][Warning]: No .rubocop.yml config file.${NC}"
	fi

  if [ "$SKIP_RC" = "1" ]; then
    echo -e "${green}[Ruby Style][SKIP]: Skipped rubocop spec ${NC}"
    exit 0
  fi

	# Run rubocop on the staged files
	bin/bundle exec rubocop -a ${FILES}

  if [ $? -ne 0 ]; then
    echo -e "${red}[Ruby Style][Error]: Fix the issues and commit again${NC}"
    exit 1
  fi
else
	echo -e "${green}[Ruby Style][Info]: No files to check${NC}"
fi

exit 0