From 90ab7228c33e294c839b8e381e968827c048864e Mon Sep 17 00:00:00 2001
From: Lin Jian <me@linj.tech>
Date: Thu, 5 Dec 2024 07:53:11 +0800
Subject: [PATCH] emacsPackages.sdml-mode: fix build

---
 .../editors/emacs/elisp-packages/melpa-packages.nix  | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/pkgs/applications/editors/emacs/elisp-packages/melpa-packages.nix b/pkgs/applications/editors/emacs/elisp-packages/melpa-packages.nix
index 455d8df7530a..f0e9ad621a76 100644
--- a/pkgs/applications/editors/emacs/elisp-packages/melpa-packages.nix
+++ b/pkgs/applications/editors/emacs/elisp-packages/melpa-packages.nix
@@ -1508,6 +1508,18 @@ let
 
         scad-preview = ignoreCompilationError super.scad-preview; # elisp error
 
+        sdml-mode = super.sdml-mode.overrideAttrs (
+          finalAttrs: previousAttrs: {
+            patches = previousAttrs.patches or [ ] ++ [
+              (pkgs.fetchpatch {
+                name = "make-pretty-hydra-optional.patch";
+                url = "https://github.com/sdm-lang/emacs-sdml-mode/pull/3/commits/2368afe31c72073488411540e212c70aae3dd468.patch";
+                hash = "sha256-Wc4pquKV9cTRey9SdjY++UgcP+pGI0hVOOn1Cci8dpk=";
+              })
+            ];
+          }
+        );
+
         # https://github.com/wanderlust/semi/pull/29
         # missing optional dependencies
         semi = addPackageRequires super.semi [ self.bbdb-vcard ];