Disable macOS software update nag/badging

NoUpdates.sh

#!/bin/sh
#
# 1) Run this script
# 2) Reboot
# 3) System Settings -> General -> Software Update
#
# Software Update should check for updates, list available updates,
# but then remove the badge (and nags)
#

DOMAIN=/Library/Preferences/com.apple.SoftwareUpdate

sudo defaults delete $DOMAIN

sudo defaults write $DOMAIN AutomaticCheckEnabled -bool no
sudo defaults write $DOMAIN AutomaticDownload -bool no
sudo defaults write $DOMAIN AutomaticallyInstallMacOSUpdates -bool no
sudo defaults write $DOMAIN ConfigDataInstall -bool no
sudo defaults write $DOMAIN CriticalUpdateInstall -bool no
sudo defaults write $DOMAIN DisableSoftwareUpdateBadging -bool yes
sudo defaults write $DOMAIN DisableSoftwareUpdateNotifications -bool yes