#!/bin/sh
#
# 1. Rename to pre-commit
# 2. Copy to .git/hooks/pre-commit

docker ps 1> /dev/null 2>&1

if [ $? -ne 0 ]; then
  echo "Check that docker is running correctly"
  exit 1
fi

app="$(git rev-parse --show-toplevel)/src"

errors=$(\
  docker run \
    --cpu-shares 1024 \
    --rm=true \
    --volume $app:/app \
    bbcnews/rubocop-config --format simple --fail-level F 2> /dev/null | grep '^F:' | wc -l | tr -d '[[:space:]]')

if [ $errors -gt 0 ]; then
  echo "Rubocop reported $errors errors. Please double check your code"
  exit 1
fi