updates the binary in place! make sure you back up your vere folder cause this guy deletes it

update_binary.sh

#!/usr/bin/env bash
BINARY_HOME="./urbit-bin"

OS="$(uname -s)"
case "${OS}" in
    Linux*)     target="linux64";;
    MINGW*)     target="windows";;
    Darwin*)    target="darwin";;
    CYGWIN*)    target="windows";;
    *)          echo "UNKNOWN:${OS}"
                exit -1
                ;;
esac


rm -rf $BINARY_HOME
mkdir $BINARY_HOME
URL="https://github.com/urbit/urbit/releases/latest/download/$target.tgz"
echo $URL
curl -JLO $URL
tar zxvf ./$target.tgz -C $BINARY_HOME --strip=1
rm ./$target.tgz
if [[ $target = "linux64" ]]; then
  if ! [[ -x "$(command -v setcap)" ]]; then
    echo "run sudo setcap 'cap_net_bind_service=+ep' $BINARY_HOME/urbit after installing setcap"
  fi
  echo "allowing port 80 bind through setcap..."
  sudo setcap 'cap_net_bind_service=+ep' $BINARY_HOME/urbit
fi