feat(home/fish): move fish's code to external files

It's easier to edit / debug / test the code that way.

This also add a new function (`find-ssh-agent') to find or start a new
ssh agent when a shell is started.

1 files changed, 3 insertions, 18 deletions

diff --git a/home/shell/fish/default.nix b/home/shell/fish/default.nix
index d000cd9..f3e41d9 100644
--- a/home/shell/fish/default.nix
+++ b/home/shell/fish/default.nix
@@ -1,7 +1,6 @@
 { config, lib, pkgs, ... }:
 let
   cfg = config.my.home.shell;
-  swayEnabled = config.my.home.wm.windowManager == "sway";
   aliases = config.my.home.shell.aliases;
 in
 {
@@ -9,24 +8,10 @@ in
     programs.fish = {
       enable = true;
       shellAliases = aliases;
-      interactiveShellInit = ''
-        set fish_greeting
-
-        # Tmux on terminal start, unless we're in a SSH connection
-        if status is-interactive
-          if test -z "$SSH_CONNECTION"
-            if not tmux has-session 2>/dev/null; or test -z "$TMUX"
-              exec tmux new-session -A -s 0
-            end
-          end
-        end
-      '';
-      loginShellInit = lib.mkIf swayEnabled ''
-        if test -z "$DISPLAY"; and test (tty) = "/dev/tty1"
-          exec sway
-        end
-      '';
+      interactiveShellInit = builtins.readFile ./interactive.fish;
+      loginShellInit = builtins.readFile ./login.fish;
     };
+
     xdg.configFile."fish/functions" = {
       source = ./functions;
       recursive = true;