MarsSeed [1] filed a deletion request for haka [2]: Broken niche infosec tool from 2015; not developed since. [a]
I recommend deletion. [a]: https://github.com/haka-security/haka/releases [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/haka/
