teapot: update src

Reference: https://repology.org/project/teapot/information
Reference: https://github.com/NixOS/nixpkgs/issues/471645
(cherry picked from commit 173e1b6a11)

pkgs/by-name/te/teapot/package.nix

@@ -1,7 +1,7 @@
 {
   lib,
   stdenv,
-  fetchFromGitHub,
+  fetchzip,
   cmake,
   libtirpc,
   ncurses,
@@ -11,17 +11,11 @@ stdenv.mkDerivation (finalAttrs: {
   pname = "teapot";
   version = "2.3.0";
 
-  src = fetchFromGitHub {
-    owner = "museoa";
-    repo = "teapot";
-    tag = finalAttrs.version;
-    hash = "sha256-38XFjRzOGasr030f+mRYT+ptlabpnVJfa+1s7ZAjS+k=";
+  src = fetchzip {
+    url = "https://www.syntax-k.de/projekte/teapot/teapot-${finalAttrs.version}.tar.gz";
+    hash = "sha256-wzAwZwOMeTsuR5LhfjspGdejT6X1V8YJ8B7v9pcbxaY=";
   };
 
-  prePatch = ''
-    cd src
-  '';
-
   patches = [
     # include a local file in order to make cc happy
     ./001-fix-warning.patch
@@ -42,10 +36,6 @@ stdenv.mkDerivation (finalAttrs: {
   env.NIX_CFLAGS_COMPILE = toString [ "-I${libtirpc.dev}/include/tirpc" ];
   NIX_LDFLAGS = [ "-ltirpc" ];
 
-  cmakeConfigureFlags = [
-    "-DENABLE_HELP=OFF"
-  ];
-
   postPatch = ''
     substituteInPlace CMakeLists.txt \
       --replace-fail "cmake_minimum_required(VERSION 2.6)" "cmake_minimum_required(VERSION 3.10)"
@@ -78,8 +68,8 @@ stdenv.mkDerivation (finalAttrs: {
     maintainers = [ ];
     platforms = lib.platforms.unix;
     mainProgram = "teapot";
-    homepage = "https://github.com/museoa/teapot";
-    changelog = "https://github.com/museoa/teapot/releases/tag/${finalAttrs.version}";
+    homepage = "https://www.syntax-k.de/projekte/teapot/";
+    changelog = "https://www.syntax-k.de/projekte/teapot/";
   };
 })
 # TODO: patch/fix FLTK building