From 75f5397fcf5039a0dc7d74e1c2c734b41a4d3097 Mon Sep 17 00:00:00 2001
From: Bobby Rong <rjl931189261@126.com>
Date: Fri, 19 Jun 2026 16:47:45 +0800
Subject: [PATCH] eom: Support avif, heif, jxl, webp

See Nixpkgs issue 532493.

(cherry picked from commit 476dd31c109c6663e04121b44862dbde0c3ee661)
---
 pkgs/by-name/eo/eom/package.nix | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/pkgs/by-name/eo/eom/package.nix b/pkgs/by-name/eo/eom/package.nix
index e8d86ae5898c..b69466468406 100644
--- a/pkgs/by-name/eo/eom/package.nix
+++ b/pkgs/by-name/eo/eom/package.nix
@@ -23,6 +23,11 @@
   wrapGAppsHook3,
   yelp-tools,
   gitUpdater,
+  gnome,
+  libavif,
+  libheif,
+  libjxl,
+  webp-pixbuf-loader,
 }:
 
 stdenv.mkDerivation (finalAttrs: {
@@ -64,6 +69,21 @@ stdenv.mkDerivation (finalAttrs: {
 
   enableParallelBuilding = true;
 
+  postInstall = ''
+    # In postInstall to run before gappsWrapperArgsHook.
+    export GDK_PIXBUF_MODULE_FILE="${
+      gnome._gdkPixbufCacheBuilder_DO_NOT_USE {
+        extraLoaders = [
+          libavif
+          libheif.lib
+          libjxl
+          librsvg
+          webp-pixbuf-loader
+        ];
+      }
+    }"
+  '';
+
   passthru.updateScript = gitUpdater {
     odd-unstable = true;
     rev-prefix = "v";