The moment they come out with a Linux client, the moment I will be a customer.

There's native support for gdrive in GNOME via accounts.

I've been using https://github.com/odeke-em/drive for awhile without issues, originally written by a Googler. I've also heard good things about insync.

You can use rclone while you wait: https://rclone.org/

The original Google product thread is gone, is there a mirror?