PKGBUILD for cubo
All you need to do is download the PKGBUILD from this repository. Then run the following command:
makepkg -cf
This will create a file that ends in .pkg.tar.xz (for example, cubo-0.2.1.r0.e0dcc39-1-x86_64.pkg.tar.xz
)
Then run:
sudo pacman -U *.pkg.tar.xz