./DVSwitch-System-Builder.sh
--2020-09-25 13:37:00--  http://dvswitch.org/install-dvswitch-repo
Resolving dvswitch.org (dvswitch.org)... 44.103.34.4
Connecting to dvswitch.org (dvswitch.org)|44.103.34.4|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 782
Saving to: ‘install-dvswitch-repo’

install-dvswitch-repo                                       100%[========================================================================================================================================>]     782  --.-KB/s    in 0s

2020-09-25 13:37:00 (4.73 MB/s) - ‘install-dvswitch-repo’ saved [782/782]

I'm testing it here on a remote RPi I don't want the whole script to execute because I am running it on the DVSwitch-Server RPi image which has all the programs already installed. So, I stopped the script (exit 0) after the wget from dvswitch.org. See below.

#!/usr/bin/env bash
set -o errexit

# N4IRS 02/10/2020

#################################################
#                                               #
#    Build a DVSwitch Server on a clean disk    #
#                                               #
#################################################

# Install DVSwitch Repository
cd /tmp

wget http://dvswitch.org/install-dvswitch-repo
chmod +x install-dvswitch-repo

exit 0