Testing

home-manager/common/software/cli/fish.nix

@@ -8,8 +8,11 @@
       set EDITOR vim
       ssh-add > /dev/null &> /dev/null
       if not set -q TMUX && not set -q DISABLE_TMUX
-        tmux attach || exec tmux new-session 
-        exit
+        if tmux has-session -t main
+          tmux attach-session -t main
+        else 
+          exec tmux new-session -t main
+        end 
       end
     '';