From 098fc2c41eb78dfb5ab925bae025db1e1bf2c1a3 Mon Sep 17 00:00:00 2001
From: Martin Larsson <larssonmartin1998@gmail.com>
Date: Tue, 15 Jul 2025 13:40:21 +0200
Subject: [PATCH] Improve SSH life on Linux with Keychain and Tmux agent
 forwarding, now resembles Mac experience.

---
 nix/home/linux.nix | 12 ++++++++++++
 tmux/tmux.conf     |  6 +++---
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/nix/home/linux.nix b/nix/home/linux.nix
index 0f077fc..03f1dee 100644
--- a/nix/home/linux.nix
+++ b/nix/home/linux.nix
@@ -34,6 +34,16 @@ in
     ./common/firefox.nix
   ];
 
+  programs = {
+    zsh.initContent = ''
+      # Just ensure SSH agent is available, don't preload keys
+      if [ ! -S ~/.ssh/ssh_auth_sock ]; then
+        ln -sf "$SSH_AUTH_SOCK" ~/.ssh/ssh_auth_sock 2>/dev/null
+      fi
+      export SSH_AUTH_SOCK=~/.ssh/ssh_auth_sock
+    '';
+  };
+
   home = {
     packages = with pkgs; [
       pythonEnv
@@ -55,11 +65,13 @@ in
       sway-audio-idle-inhibit
       ffmpeg
       imv
+      keychain
     ];
 
     file = utils.mk_symlinks { inherit config dotfiles; };
   };
   services = {
     mako.enable = true;
+    ssh-agent.enable = true;
   };
 }
diff --git a/tmux/tmux.conf b/tmux/tmux.conf
index 9453f65..edb3948 100644
--- a/tmux/tmux.conf
+++ b/tmux/tmux.conf
@@ -130,9 +130,9 @@ set -g status-right "#($HOME/.config/tmux/tmux-status-right.sh)"
 set -g status-bg "#171B24"
 set -g status-style bold
 
-# set -g @catppuccin_flavour "macchiato"
-# set -g @catppuccin_status_background "#1e2030"
-# set -g @plugin "catppuccin/tmux"
+# SSH agent forwarding
+set-option -g update-environment "SSH_AUTH_SOCK SSH_CONNECTION"
+setenv -g SSH_AUTH_SOCK $HOME/.ssh/ssh_auth_sock
 
 set -g @plugin "tmux-plugins/tpm"
 run "~/dev/git/tpm/tpm"