Manjaro更新时，遇到signature from “xxx” is unknown trust问题。

解决方法

重置所有密钥。

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sudo rm -r /etc/pacman.d/gnupg
sudo pacman -Sy gnupg archlinux-keyring manjaro-keyring
sudo pacman-key --init
sudo pacman-key --populate archlinux manjaro 
sudo pacman-key --refresh-keys

Reference

[Updating failed] fzf-0.15.2-1-x86_64.pkg.tar.xz is corrupted - Newbie Corner - Manjaro