lol

xbps: limit to platforms.linux

Darwin is a no-go at least:
https://github.com/NixOS/nixpkgs/pull/40730#issuecomment-390284212

+1
+1
pkgs/tools/package-management/xbps/default.nix
··· 32 32 meta = with stdenv.lib; { 33 33 homepage = https://github.com/voidlinux/xbps; 34 34 description = "The X Binary Package System"; 35 + platforms = platforms.linux; # known to not work on Darwin, at least 35 36 license = licenses.bsd2; 36 37 maintainers = with maintainers; [ dtzWill ]; 37 38 };