I created a fresh Pop! OS installation in a virtual machine and verified that without the fix, hp-plugin tries to use su to authenticate as the root user (which for most users has no password), and the installation fails. Applying the fix, hp-plugin properly uses sudo and the installation is successful.
I created a fresh Pop! OS installation in a virtual machine and verified that without the fix, hp-plugin tries to use su to authenticate as the root user (which for most users has no password), and the installation fails. Applying the fix, hp-plugin properly uses sudo and the installation is successful.