Try ssh Include feature and document the use case

[zshamrock]

As if there are multiple config files, or the config file which you want to share among the team members and put it into the source control, being able to reference it from the .ssh/config over the Include would be the great thing, as to avoid to duplicate the entities in the .ssh/config and outside of it.

[zshamrock]

To make bash auto complete work

scop/bash-completion#162
scop/bash-completion@1016e43

and about SSH Include

https://io.adafruit.com/blog/notebook/2016/09/27/ssh-config-includes/