From 9d84f435e351dfe89f5e7b1c7ca6f4cdb3fe06aa Mon Sep 17 00:00:00 2001
From: Artturin <Artturin@artturin.com>
Date: Sun, 12 Jun 2022 04:15:04 +0300
Subject: [PATCH] nixVersions.nix_2_9: pull patch to add missing git-dir flags

---
 pkgs/tools/package-management/nix/default.nix | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/pkgs/tools/package-management/nix/default.nix b/pkgs/tools/package-management/nix/default.nix
index 47c442cc8da0..c46d2319df41 100644
--- a/pkgs/tools/package-management/nix/default.nix
+++ b/pkgs/tools/package-management/nix/default.nix
@@ -89,6 +89,14 @@ in lib.makeExtensible (self: {
   nix_2_9 = common {
     version = "2.9.1";
     sha256 = "sha256-qNL3lQPBsnStkru3j1ajN/H+knXI+X3dku8/dBfSw3g=";
+    patches = [
+      # add missing --git-dir flags
+      # remove once 2.9.2 is out
+      (fetchpatch {
+        url = "https://github.com/NixOS/nix/commit/1a994cc35b33dcfd484e7a96be0e76e23bfb9029.patch";
+        sha256 = "sha256-7rDlqWRSVPijbvrTm4P+YykbMWyJryorXqGLEgg8/Wo=";
+      })
+    ];
   };
 
   stable = self.nix_2_9;