Script: updates-void
A script that shows if there are updates for Void Linux.
Configuration
You have to add the xbps-install command to the /etc/sudoers NOPASSWD of your user:
user ALL=(ALL) NOPASSWD: /usr/bin/xbps-install
Module
[module/updates-void]
type = custom/script
exec = ~/polybar-scripts/updates-void.sh
interval = 20