From b894f988ab64e555edd2e7324deaf4bf95064eaa Mon Sep 17 00:00:00 2001
From: Herwig Hochleitner <herwig@bendlas.net>
Date: Wed, 4 Sep 2024 23:13:14 +0200
Subject: [PATCH] mkDepsCache: use fetchTree in shallow=false mode

---
 pkgs/mkDepsCache.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/mkDepsCache.nix b/pkgs/mkDepsCache.nix
index 0331d01..00d7146 100644
--- a/pkgs/mkDepsCache.nix
+++ b/pkgs/mkDepsCache.nix
@@ -52,6 +52,9 @@ let
         allRefs = true;
         narHash = hash;
         inherit url rev;
+        # deep cloning is necessary, for allRefs to work
+        # See https://nix.dev/manual/nix/latest/language/builtins.html#source-types
+        shallow = false;
       };
     };