36d0f367de
This was lost back in ffedee6ed523864dd5f871ffd85e3c2099d579a2. Getting this to work is slightly tricky because ssh-agent runs as a user unit, and so doesn't know the user's $DISPLAY.
*** NixOS *** NixOS is a Linux distribution based on the purely functional package management system Nix. More information can be found at http://nixos.org/nixos and in the manual in doc/manual.