Connect to the selected session in st

Signed-off-by: Oliver Davies <oliver@oliverdavies.uk>

modules/dmenu-tmux.nix

@@ -9,18 +9,19 @@
           name = "dmenu_tmux";
 
           text = ''
-            selected="$(z tmux list | dmenu -l 20)"
+            selected="$(z tmux list | dmenu -l 20)" || exit 0
 
-            if [[ -n "$selected" ]]; then
-              echo "$selected"
+            pkill -x st 2>/dev/null || true
+            sleep 0.1
 
-              # TODO: open a terminal with the selected session.
-            fi
+            exec st -e z tmux connect "$selected"
           '';
 
           runtimeInputs = with pkgs; [
             dmenu
             inputs.z.packages.${pkgs.stdenv.hostPlatform.system}.default
+
+            # TODO: ensure st is installed and that my version is used.
           ];
         })
       ];