From f8cdb3eee183ddfbd6cd7ea39aef19da553db481 Mon Sep 17 00:00:00 2001
From: coolcuber <rpgeorg@clemson.edu>
Date: Wed, 10 Jun 2026 11:06:38 -0400
Subject: [PATCH] macaulay2: 1.26.05->1.26.06

---
 pkgs/by-name/ma/macaulay2/package.nix | 20 +++++++-------------
 1 file changed, 7 insertions(+), 13 deletions(-)

diff --git a/pkgs/by-name/ma/macaulay2/package.nix b/pkgs/by-name/ma/macaulay2/package.nix
index 04c20ea6ab78..7bb50d08f63d 100644
--- a/pkgs/by-name/ma/macaulay2/package.nix
+++ b/pkgs/by-name/ma/macaulay2/package.nix
@@ -64,19 +64,19 @@
 }:
 stdenv.mkDerivation (finalAttrs: {
   pname = "macaulay2";
-  version = "1.26.05";
+  version = "1.26.06";
 
   src = fetchFromGitHub {
     owner = "Macaulay2";
     repo = "M2";
     tag = "release-${finalAttrs.version}";
-    hash = "sha256-UiPLownaFtuYFUlZhBl+Nl/sRZRhG9OUwepZtFTkTqc";
+    hash = "sha256-2e39qzBO63Ft+yw+tJChLsupeinalTkDwXp3WBF2wms=";
     fetchSubmodules = true;
   };
 
   docs = fetchurl {
     url = "https://macaulay2.com/Downloads/OtherSourceCode/Macaulay2-docs-${finalAttrs.version}.tar.gz";
-    hash = "sha256-rz9b7HvxfxI978yM9wE7XvLu7DO38i/amokXBU0RjSg=";
+    hash = "sha256-0+ilvDh87Gmwzx0bLhT6nnadcPwgU3uB6pKhP9VqW0Q=";
   };
 
   buildInputs = [
@@ -152,16 +152,10 @@ stdenv.mkDerivation (finalAttrs: {
 
   postPatch = ''
     sed -i 's/AC_SUBST(REL,.*uname -r.*)/AC_SUBST(REL,"")/' configure.ac
-    substituteInPlace Macaulay2/packages/DeterminantalRepresentations.m2 \
-      --replace-fail "eps = 1e-15" "eps = 1e-14"
-  ''
-  # TODO remove in v1.26.06 (see https://github.com/Macaulay2/M2/pull/4334)
-  # ForeignFunctions.m2 uses `brew --prefix` to discover potential library paths,
-  # which fails when Homebrew is not installed.
-  # We patch it to return an empty path instead, which should be harmless
-  + ''
-    substituteInPlace Macaulay2/packages/ForeignFunctions.m2 \
-      --replace-fail 'get "!brew --prefix"' 'try get "!brew --prefix" else ""'
+    substituteInPlace configure.ac \
+      --replace-fail "[\$gfan_version], [ge], [0.8]" "[\$gfan_version], [ge], [0.6]"
+    substituteInPlace Macaulay2/packages/gfanInterface.m2 \
+      --replace-fail 'MinimumVersion => ("0.8"' 'MinimumVersion => ("0.6"'
   '';
 
   preConfigure = ''