Shibumi [1] filed a request to merge viper [2] into viper-framework [3]: please delete viper. I pushed viper-framework because I had to name viper-git to viper-framework-git because of an another package called viper-git.
[1] https://aur.archlinux.org/account/Shibumi/ [2] https://aur.archlinux.org/pkgbase/viper/ [3] https://aur.archlinux.org/pkgbase/viper-framework/
