From a054da4484c2dfad71636bfa948a4330ff70dbcb Mon Sep 17 00:00:00 2001
From: Guy Chronister <guychronister@outlook.com>
Date: Fri, 3 Apr 2026 08:42:44 -0500
Subject: [PATCH] coolreader: modernize derivation

---
 pkgs/by-name/co/coolreader/package.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/by-name/co/coolreader/package.nix b/pkgs/by-name/co/coolreader/package.nix
index fdf9bce196c8..8b15cb75533c 100644
--- a/pkgs/by-name/co/coolreader/package.nix
+++ b/pkgs/by-name/co/coolreader/package.nix
@@ -17,8 +17,8 @@ stdenv.mkDerivation (finalAttrs: {
   src = fetchFromGitHub {
     owner = "buggins";
     repo = "coolreader";
-    rev = "cr${finalAttrs.version}";
-    sha256 = "sha256-RgVEOaNBaEuPBC75B8PdCkbqMvEzNmnEYmiI1ny/WFQ=";
+    tag = "cr${finalAttrs.version}";
+    hash = "sha256-RgVEOaNBaEuPBC75B8PdCkbqMvEzNmnEYmiI1ny/WFQ=";
   };
 
   patches = [ ./cmake_policy_version_3_5.patch ];