MarsSeed [1] filed a deletion request for catimporter [2]: Never worked since submission to AUR. Also upstream is abandoned since 3 years ago. [a] And its ruby lib dependencies on AUR are legacy and not compatible with current Ruby libs in repo. [a]: https://github.com/ferdi2005/catimporter [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/catimporter/