Added shortcut for lazygit in a popup

modules/home/apps/tmux/default.nix

@@ -58,7 +58,8 @@ in {
         tmuxPlugins.vim-tmux-navigator
       ];
 
-      extraConfig = ''
+      extraConfig =
+        ''
           # Scrolling with mouse wheel scrolls output instead of previous commands
           setw -g mouse on
 
@@ -72,6 +73,17 @@ in {
           bind C-j display-popup -E "${pkgs.tmux-sessionizer}/bin/tms switch"
           bind C-w display-popup -E "${pkgs.tmux-sessionizer}/bin/tms windows"
           bind C-s command-prompt -p "Rename active session to:" "run-shell '${pkgs.tmux-sessionizer}/bin/tms rename %1'"
+
+        ''
+        + lib.strings.optionalString config.programs.lazygit.enable ''
+          # Open lazygit in a popup
+          # Spins up a new session with a '-lg' suffix (hitting the shortcut
+          # toggles between attaching and detaching)
+          bind C-g if-shell "[[ $(tmux display-message -p '#S') == *-lg ]]" {
+            detach-client
+          } {
+            display-popup -h 90% -w 90% -E "tmux new-session -A -s $(tmux display-message -p '#S')-lg ${pkgs.lazygit}/bin/lazygit"
+          }
         '';
     };