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cross-posted from: https://leminal.space/post/4750886

It took me some time to work out how to get my ssh agent set up in Niri so I though I would share what I did. I'm using NixOS and Home Manager. I put this in my Home Manager config:

 nix

    
services.gnome-keyring = {
  enable = true;
  components = [ "pkcs11" "secrets" "ssh" ];
};
home.sessionVariables.SSH_AUTH_SOCK = "$XDG_RUNTIME_DIR/keyring/ssh";

  

I'm using GDM according to NixOS' default configuration which I think runs gnome-keyring (I thought I saw it in the process list before I set up the user unit), and I think that configuration is automatically unlocking gnome-keyring when I log in via PAM integration. But apparently I need to run gnome-keyring again in my window manager session. Home Manager's services.gnome-keyring adds a systemd user unit that does that.

It took me a while to figure this out. I use Home Manager to manage my Gnome settings by setting dconf.settings = { ... }. My settings are non-trivial (for example my paperwm module). So it's helpful for me to check the actual dconf settings that Home Manager produces.

To do that build your configuration with home-manager build, open result/activate, and find a line that looks like this:

 bash

    
$DRY_RUN_CMD $DCONF_DBUS_RUN_SESSION /nix/store/4ab7dx08wx640444m71axlqvbrvz73bv-dconf-0.40.0/bin/dconf load / 
  < /nix/store/0hdnvwx8d9sifd6ib8n2hhblyblq0ccp-hm-dconf.ini

  

The store path for hm-dconf.ini has the settings.

Edit: added a line break to the script line so you can see the relevant store path