bao: explicitly use nixGL

nix-conf/home-manager/base/graphics.nix

@@ -11,7 +11,7 @@ in
     _enable = lib.mkOption {
       type = types.bool;
       description = "Whether the graphics is implicitly enabled (final)";
-      internal = true;
+      # internal = true;
       default = false;
     };
     useNixGL = {
@@ -35,7 +35,7 @@ in
   # they will also need to do `config.base.shells.enable`
   # generally, we want the behavior: import means enable
   config = lib.mkIf cfgEnable {
-    base.graphics._enable = cfgEnable;
+    base.graphics._enable = lib.mkForce true;
     base.shells = {
       shellAliases = lib.mkIf (cfg.useNixGL.defaultPackage != null) {
         nixGL = cfg.useNixGL.defaultPackage;

nix-conf/home-manager/flake.nix

@@ -108,6 +108,7 @@
                 # defaults to a bad value (on purpose), we should configure a
                 # it to be the proper path
                 base.keepass.path = "/perso/garden/keepass.kdbx";
+                base.graphics.useNixGL.defaultPackage = "nixGLNvidia";
               }
             ];
             # optionally pass inarguments to module