When updating my system today, I got this error:
error: i3lock: signature from "Thorsten TÃ¶pper " is unknown trust error: failed to commit transaction (invalid or corrupted package) Errors occurred, no packages were upgraded.
Whoa! I started googling and of course I found the answer, as
Arch is one of the best documented distros, next to Gentoo.
In short, after the release of pacman 4.x (check with
, one has to change the options to one’s enabled repos (in /etc/pacman.conf)
SigLevel = PackageRequired to
SigLevel = Optional TrustAll.
For more info, check here.