Kata Trainer

trainer.sh

# mkdir kata-name; cd kata-name
# git init .
# curl -sL https://gist.github.com/alvarobp/be0adbec727dca097f84/raw -o trainer.sh
# git add trainer.sh
# echo 'trainer.sh' > .gitignore
# git add .gitignore
# git commit -m'Kata with trainer.sh'
# sh trainer.sh

PERIOD=${PERIOD:-120}
COMMAND=${COMMAND:-bundle exec rspec}

exec >/dev/null
exec 2>&1

there_are_changes() {
  ! git diff --quiet && git ls-files --other --exclude-standard --directory | egrep -v '/$'
}

success() {
  there_are_changes && git add --all . && git commit -m"$(date)"
}

failure() {
  there_are_changes && git reset --hard
}

run() {
  echo 'TRAINING STARTED'

  sleep $PERIOD

  while true; do
    eval $COMMAND && success || failure
    sleep $PERIOD
  done
}

run