From f0500ffd867ea4f285787e4075e4d8b8b558c46f Mon Sep 17 00:00:00 2001
From: Guy Chronister <guychronister@outlook.com>
Date: Mon, 16 Feb 2026 13:47:20 -0600
Subject: [PATCH] mcfm: modernize derivation

---
 pkgs/by-name/mc/{MCFM => mcfm}/package.nix | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
 rename pkgs/by-name/mc/{MCFM => mcfm}/package.nix (84%)

diff --git a/pkgs/by-name/mc/MCFM/package.nix b/pkgs/by-name/mc/mcfm/package.nix
similarity index 84%
rename from pkgs/by-name/mc/MCFM/package.nix
rename to pkgs/by-name/mc/mcfm/package.nix
index 4ed8058f37d2..ef149b53a875 100644
--- a/pkgs/by-name/mc/MCFM/package.nix
+++ b/pkgs/by-name/mc/mcfm/package.nix
@@ -13,13 +13,13 @@ let
     python3 = null;
   };
 in
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "MCFM";
   version = "10.0.1";
 
   src = fetchurl {
-    url = "https://mcfm.fnal.gov/downloads/${pname}-${version}.tar.gz";
-    sha256 = "sha256-3Dg4KoILb0XhgGkzItDh/1opCtYrrIvtbuALYqPUvE8=";
+    url = "https://mcfm.fnal.gov/downloads/MCFM-${finalAttrs.version}.tar.gz";
+    hash = "sha256-3Dg4KoILb0XhgGkzItDh/1opCtYrrIvtbuALYqPUvE8=";
   };
 
   postPatch = ''
@@ -50,4 +50,4 @@ stdenv.mkDerivation rec {
     maintainers = with lib.maintainers; [ veprbl ];
     platforms = lib.platforms.x86_64;
   };
-}
+})