Comment 7 for bug 739495

+1 This feature could be very useful.

@Tomas Pospisek : For now you can use only do some cheat with a shell script.
For example having your configuration file in ~/.ssh/config.d and make that type of alias:
alias ssh="cat ~/.ssh/config.d/* > ~/.ssh/config ; ssh"
It my way to keep my config file up-to-date.

I subscribe to this ticket.

(In reply to comment #2)
> +1 I needed just this today
> The usecase is the following:
> * my employer is maintaining a ssh_config file that registers all
> machines
> * I have some settings and hosts of my own
> How do I usefully integrate those two files?
> *t