From b32208c32c584bdcabc96c9a087419d550bd18b9 Mon Sep 17 00:00:00 2001
From: Paul-Nicolas Madelaine <pnm@pnm.tf>
Date: Sat, 21 May 2022 08:00:00 +0200
Subject: [PATCH] amaranth: patch out use of deprecated jinja2 function

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

diff --git a/pkgs/development/python-modules/amaranth/default.nix b/pkgs/development/python-modules/amaranth/default.nix
index 99fe555e3f3..938b44202b9 100644
--- a/pkgs/development/python-modules/amaranth/default.nix
+++ b/pkgs/development/python-modules/amaranth/default.nix
@@ -57,6 +57,10 @@ buildPythonPackage rec {
     substituteInPlace setup.py \
       --replace "Jinja2~=2.11" "Jinja2>=2.11" \
       --replace "pyvcd~=0.2.2" "pyvcd"
+
+    # jinja2.contextfunction was removed in jinja2 v3.1
+    substituteInPlace amaranth/build/plat.py \
+      --replace "@jinja2.contextfunction" "@jinja2.pass_context"
   '';
 
   pythonImportsCheck = [ "amaranth" ];