tmux: use builtin switch to last session

lol I reinvented the wheel

nix/homeModules/common/tmux/tmux.conf

@@ -72,6 +72,9 @@ bind -T copy-mode-vi C-t select-window -t 2
 bind -T copy-mode-vi C-n select-window -t 3
 bind -T copy-mode-vi C-s select-window -t 4
 
+# easier to hit than L
+bind l switch-client -l
+
 # CLOK
 bind C-t clock-mode
 set -g clock-mode-style 24

nix/homeModules/extra/tmux-fish-integration.nix

@@ -26,7 +26,6 @@
   programs.tmux.extraConfig = lib.mkBefore ''
     # sessionizer binds
     bind -n C-f run-shell "tmux new-window tmux-sessionizer"
-    bind l run-shell "tmux-last"
   '';
 
   home.packages = with pkgs; [

nix/packages/by-name/tmux-sessionizer/package.nix

@@ -53,28 +53,6 @@
     '';
   };
 
-  tmux-last = writeShellApplication {
-    name = "tmux-last";
-    text = ''
-      tmux_last=/tmp/TMUX_LAST
-      if [ ! -f $tmux_last ]; then
-          echo "Last session is not yet set"
-          return 1
-      fi
-
-      session_name="$(cat $tmux_last)"
-      session_path="$session_name"
-      if [ ! -d "$session_path" ]; then
-        session_path="/tmp"
-      fi
-
-      # bail if not in tmux, nothing to register
-      ${lib.getExe tmux-register-session} || :
-      ${lib.getExe tmux-maybe-create} "$session_name" "$session_path"
-      ${lib.getExe tmux-attach-or-switch} "$session_name"
-    '';
-  };
-
   tmux-sessionizer = writeShellApplication {
     name = "tmux-sessionizer";
     runtimeInputs = [fzf gnused];
@@ -121,7 +99,6 @@ in
       tmux-register-session
       tmux-maybe-create
       tmux-attach-or-switch
-      tmux-last
       tmux-sessionizer
     ];
   }