chromebrew

#!/bin/bash
VALID=
if test $1; then
  OPTS="-i --install -r --remove -u --update"
  for o in $OPTS; do
    if [ $o == $1 ]; then
      VALID=1
      break
    fi
  done
fi
if [ -z "$VALID" ]; then
  echo "Usage: chromebrew -i | --install | -r | --remove | -u | --update"
  exit 1
fi
if [[ $1 == "-i" || $1 == "--install" ]]; then
  command -v crew > /dev/null && { echo "chromebrew is currently installed."; exit 1; }
  rm -f install.sh
  curl -Ls git.io/vddgY -o install.sh && yes | bash install.sh
else
  command -v crew > /dev/null || { echo "chromebrew is not installed.  To install, execute 'chromebrew -i | --install'."; exit 1; }
fi
if [[ $1 == "-r" || $1 == "--remove" ]]; then
  echo -n "WARNING!  Are you sure you want to uninstall crew? [y/N]: "; read -n1 UNINSTALL
  if [ "$UNINSTALL" == "y" ]; then
    sudo dev_install --reinstall -y
  fi
fi
if [[ $1 == "-u" || $1 == "--update" ]]; then
  crew update
  yes | crew upgrade
fi