gitui: fix build for v0.27.0

Co-authored-by: Picnoir <picnoir@alternativebit.fr>

pkgs/by-name/gi/gitui/package.nix

@@ -9,6 +9,7 @@
   cmake,
   xclip,
   nix-update-script,
+  fetchpatch,
 }:
 let
   pname = "gitui";
@@ -39,6 +40,16 @@ rustPlatform.buildRustPackage {
     libiconv
   ];
 
+  patches = [
+    # Fixes the build for rust 1.89
+    # Upstream PR: https://github.com/gitui-org/gitui/pull/2663
+    # TOREMOVE for gitui > 0.27.0
+    (fetchpatch {
+      url = "https://github.com/gitui-org/gitui/commit/950e703cab1dd37e3d02e7316ec99cc0dc70513c.patch";
+      sha256 = "sha256-KDgOPLKGuJaF0Nc6rw9FPFmcI07I8Gyp/KNX8x6+2xw=";
+    })
+  ];
+
   postPatch = ''
     # The cargo config overrides linkers for some targets, breaking the build
     # on e.g. `aarch64-linux`. These overrides are not required in the Nix