Pre-commit hook to remind committer to run rake-assets-precompile

pre-commit

#!/bin/bash
#
# if changed assets are being committed, prompt the user to confirm
# they have precompiled assets.

if test $(git diff --cached --name-only | grep app/assets | wc -l) != 0
then
  # grab user input
  exec < /dev/tty

  echo "Assets have changed. Have you performed rake assets:precompile?"
  read -p "Continue commit (Yes/No)?" choice
  echo "Received answer $choice"
  if [ "$choice" == "Yes" ]; then
     exit 0
  else
     echo "Abandoning commit"
     exit 1
  fi
fi