From 5a5decd2eb9a32276e7f5e0f8f0aff5bb69c6d36 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Na=C3=AFm=20Favier?= <n@monade.li>
Date: Tue, 7 Feb 2023 13:58:34 +0100
Subject: [PATCH] doc: use `gitignoreSource`

Running `make -C doc` to build the manual locally leaves .xml artifacts
in the tree. These are ignored by git, but they still get included in
the build when not using flakes, which causes the corresponding chapters
not to be built.
---
 doc/default.nix | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/doc/default.nix b/doc/default.nix
index 1d5fa4811a36..ac405c379038 100644
--- a/doc/default.nix
+++ b/doc/default.nix
@@ -1,6 +1,5 @@
 { pkgs ? (import ./.. { }), nixpkgs ? { }}:
 let
-  lib = pkgs.lib;
   doc-support = import ./doc-support { inherit pkgs nixpkgs; };
 in pkgs.stdenv.mkDerivation {
   name = "nixpkgs-manual";
@@ -15,7 +14,7 @@ in pkgs.stdenv.mkDerivation {
     xmlformat
   ];
 
-  src = lib.cleanSource ./.;
+  src = pkgs.nix-gitignore.gitignoreSource [] ./.;
 
   postPatch = ''
     ln -s ${doc-support} ./doc-support/result