[Bug 3622] Please add an option to generate fish shell output

[bugzilla-daemon at mindrot.org]

https://bugzilla.mindrot.org/show_bug.cgi?id=3622

--- Comment #3 from Damien Miller <djm at mindrot.org> ---
AFAIK it's the reverse: tcsh is more popular than fish. Also there's
csh:

https://qa.debian.org/popcon.php?package=tcsh

which is another C-shell.

Re -U, the fish documentation says this:

> -U or --universal
> Sets a universal variable. The variable will be immediately available to all > the user’s fish instances on the machine, and will be persist across restarts > of the shell.

This would be a significant difference between how ssh-agent under fish
would work vs how it works with other shells. It seems superficially
convenient, but IMO it would be a bad idea as it would break things
like ssh forwarded agents.

(None of this is should be interpreted as an agreement to implement
fish support in ssh-agent, I'm just trying to bring some data to the
decision)

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