The link mentions that it is only ran as part of a debian or RPM package build. Not to mention that on Arch sshd is not linked against liblzma anyways.

Install pacman-contrib, this gives you access to pacdiff which goes through all your pacnew files allowing you to see diffs of the changes and giving you different options to deal with them.

You might have better luck with https://feddit.nl/c/trendingcommunities

!trendingcommunities

The closest I know about are:
https://wiby.me/
and
https://search.marginalia.nu/

pcpartpicker is a fantastic resource for putting together a new build.

As far as lemmy communities go, there’s also !buildapc and !buildapc