Dringsim [1] filed a deletion request for bilibilitool-dotnet-git [2]: This package is no longer available since the repository (https://github.com/RayWangQvQ/BiliBiliTool) has been disabled by GitHub due to a violation of GitHub's terms of service.
[1] https://aur.archlinux.org/account/Dringsim/ [2] https://aur.archlinux.org/pkgbase/bilibilitool-dotnet-git/
