home/{zsh,bash}: add mutable source

home/home.nix

@@ -122,6 +122,9 @@ in {
       enable = true;
       historyFile = "${config.xdg.dataHome}/bash_history";
       historySize = 100000;
+      bashrcExtra = ''
+        source "${config.xdg.configHome}/mutable_env.sh"
+      '';
     };
 
     bat.enable = true;

home/programs/zsh/default.nix

@@ -84,6 +84,8 @@ in
       if ! { [ "$TERM" = "screen" ] && [ -n "$TMUX" ]; } then
         zstyle ':fzf-tab:*' fzf-command ftb-tmux-popup
       fi
+
+      source "${config.xdg.configHome}/mutable_env.sh"
     '';
   };
 }