From 133de89978435e70a51e6788b39cd5de28ef5492 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Robert=20Sch=C3=BCtz?= <nix@dotlambda.de>
Date: Wed, 21 Jan 2026 18:30:48 -0800
Subject: [PATCH] python3Packages.pandas: fix src reproducibility

---
 pkgs/development/python-modules/pandas/default.nix | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/python-modules/pandas/default.nix b/pkgs/development/python-modules/pandas/default.nix
index c083167e69bc..2e4f488abb8a 100644
--- a/pkgs/development/python-modules/pandas/default.nix
+++ b/pkgs/development/python-modules/pandas/default.nix
@@ -70,7 +70,10 @@ let
       owner = "pandas-dev";
       repo = "pandas";
       tag = "v${version}";
-      hash = "sha256-pJTi0CL/ymXwERBsN4i7vjyUehklPjSSgfwpYbgoI+c=";
+      postFetch = ''
+        sed -i 's/git_refnames = "[^"]*"/git_refnames = " (tag: ${src.tag})"/' $out/pandas/_version.py
+      '';
+      hash = "sha256-sUOPZZalTJBJwcqyXwDkmT9UX7Ni71vUa3YdFRwSiJY=";
     };
 
     build-system = [