From 33a31890647a7fa1ef8bbed1fc8381a7665357b4 Mon Sep 17 00:00:00 2001
From: Stefan Frijters <sfrijters@gmail.com>
Date: Sat, 2 May 2026 02:29:16 +0200
Subject: [PATCH] nixpkgs-manual.epub: use structuredAttrs instead of
 passAsFile

---
 doc/doc-support/epub.nix | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/doc/doc-support/epub.nix b/doc/doc-support/epub.nix
index 2b8d6b5f2470..a77c9d5dd6f8 100644
--- a/doc/doc-support/epub.nix
+++ b/doc/doc-support/epub.nix
@@ -37,16 +37,16 @@ runCommand "manual.epub"
       </book>
     '';
 
-    passAsFile = [ "epub" ];
+    __structuredAttrs = true;
   }
   ''
     mkdir scratch
-    xsltproc \
+    printf "%s" "$epub" | xsltproc \
       --param chapter.autolabel 0 \
       --nonet \
       --output scratch/ \
       ${docbook_xsl_ns}/xml/xsl/docbook/epub/docbook.xsl \
-      $epubPath
+      -
 
     echo "application/epub+zip" > mimetype
     zip -0Xq -b "$TMPDIR" "$out" mimetype