MarsSeed [1] filed a deletion request for libnss-gw-name-git [2]: Broken, unused. Upstream not actively maintained since 2012. Does not support IPv6, so it seems obsolete.
[1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/libnss-gw-name-git/
