Way to open files from Transmit in Sublime Text 2 as new tab, not new window

Answering my own question here.

A follower on Twitter recommended Sublime FTP ($16), a third-party add-on by the author of Package Control, Will Bond.

For my own setup, I use his Sublime SFTP Solution which maps a local folder to the remote version. This setup allows me to quickly access my files.

Since working with remote files can come with some risk, I use Joel Thornton's Automatic Backups add-on to create a time-stamped backup of whatever file I have just saved. That way, in case something tragic happens, I can quickly roll back to an earlier version of my file.

As shown in this answer on SuperUser, you can set this behaviour by changing the open_files_in_new_window setting in Sublime Text to false. (Note that it's recommended that you override the setting in the Settings - User file rather than changing it in Settings - Default.)