modify bash prompt to include IP of tun0 and date

# By: twitter.com/mcbazza
# On: 2023/02/10
# Desc:
# place this in to ~/.bash_aliases and it will modify your
# bash prompt to include your VPN IP (from tun0) and the date
#   ┌──(bazza[10.10.xx.xx]㉿DESKTOP [2023-02-10])-[~]
#   └─$
#
# Disclaimer: No warranty given, or implied.

# Display IP of tun0 (if present)
if [[ ! -d /sys/class/net/tun0 ]]
then
    vpnIP="no-vpn"
else
    vpnIP=$(ifconfig tun0 | grep 'inet ' | awk '{print $2;}')
fi

PS1=$prompt_color'┌──${debian_chroot:+($debian_chroot)──}${VIRTUAL_ENV:+(\[\033[0;1m\]$(basename $VIRTUAL_ENV)'$prompt_color')}('$info_color'\u[$vpnIP]${prompt_symbol}\h [\D{%Y-%m-%d}]'$prompt_color')-[\[\033[0;1m\]\w'$prompt_color']\n'$prompt_color'└─'$info_color'\$\[\033[0m\] '