home/qutebrowser: add tree tabs patch

overlays/default.nix

@@ -3,7 +3,8 @@ let
   addPatches = pkg: patches: pkg.overrideAttrs (oldAttrs: {
     patches = (oldAttrs.patches or [ ]) ++ patches;
   });
-in {
+in
+{
   # For every flake input, aliases 'pkgs.inputs.${flake}' to
   # 'inputs.${flake}.packages.${pkgs.system}' or
   # 'inputs.${flake}.legacyPackages.${pkgs.system}' or
@@ -37,7 +38,7 @@ in {
     # nix = addPatches prev.nix [ ./nix-make-installables-expr-context.patch ];
 
     # https://gitlab.com/CalcProgrammer1/OpenRGB/-/issues/2918
-    openrgb  = addPatches prev.openrgb [ ./openrgb-all-devices.diff ];
+    openrgb = addPatches prev.openrgb [ ./openrgb-all-devices.diff ];
 
     xdg-utils-spawn-terminal = addPatches prev.xdg-utils [ ./xdg-open-spawn-terminal.diff ];
 
@@ -56,6 +57,17 @@ in {
     # Sane default values and crash avoidance (https://github.com/k-vernooy/trekscii/pull/1)
     trekscii = addPatches prev.trekscii [ ./trekscii.patch ];
 
+    qutebrowser-qt6 = prev.qutebrowser-qt6.overrideAttrs (oldAttrs: {
+      version = "unstable-2023-07-25";
+      src = final.fetchFromGitHub {
+        owner = "qutebrowser";
+        repo = "qutebrowser";
+        rev = "6d84462d68ec1ce4cde459297e0c52ad3c2bf29f";
+        hash = "sha256-oAjhzTeZ7TNBR6lxBpNdDGJHnTdnWU16lZtlrvZhfE0=";
+      };
+      patches = (oldAttrs.patches or [ ]) ++ [ ./qutebrowser-tree-tabs.diff ];
+    });
+
     scgit = prev.cgit-pink.overrideAttrs (_: {
       pname = "scgit";
       version = "0.1";