[arch-general] PKGBUILD ERROR

[mudongliang]

I got the following errors in "yaourt -S sublime-text-dev" :

sublime-text-dev 3.3083-2  (2015-07-07 21:14)
( Unsupported package: Potentially dangerous ! )
==> Edit PKGBUILD ? [Y/n] ("A" to abort)
==> ------------------------------------
==> y

Please add $VISUAL to your environment variables
for example:
export VISUAL="vim" (in ~/.bashrc)
(replace vim with your favorite editor)

==> Edit PKGBUILD with:  vim

==> ERROR: Running makepkg as root is not allowed as it can cause permanent,
catastrophic damage to your system.
Unable to read PKGBUILD

Waiting for help.Thank you all!
     - mudongliang