From f63098a9c52fe7e93dba3af880e8fe714d86935c Mon Sep 17 00:00:00 2001
From: Jan Tojnar <jtojnar@gmail.com>
Date: Mon, 15 Mar 2021 22:58:07 +0100
Subject: [PATCH] =?UTF-8?q?gegl=5F0=5F4:=200.4.26=20=E2=86=92=200.4.28?=
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NEWS: https://gitlab.gnome.org/GNOME/gegl/-/commit/91ace253930a83874f30a1d13e0ea5bbc2e5174c
Changes: https://gitlab.gnome.org/GNOME/gegl/-/compare/GEGL_0_4_26...GEGL_0_4_28

- New dependency maxflow.
- dot path has been briefly hardcoded added (https://gitlab.gnome.org/GNOME/gegl/-/commit/5ac40e3c3f9ab25b1208a96a8fdcae6fd72958ef) but then it was switched back to finding it on PATH (https://gitlab.gnome.org/GNOME/gegl/-/commit/1f50456de59c686941a861d299a63bfcd4126ee5). Given that it is optional dependency only needed for debugging and graphviz is big, I have decided not to hardcode it in a patch.
---
 pkgs/development/libraries/gegl/4.0.nix | 20 ++++++--------------
 1 file changed, 6 insertions(+), 14 deletions(-)

diff --git a/pkgs/development/libraries/gegl/4.0.nix b/pkgs/development/libraries/gegl/4.0.nix
index af3c9d84ac7c..2093328f5793 100644
--- a/pkgs/development/libraries/gegl/4.0.nix
+++ b/pkgs/development/libraries/gegl/4.0.nix
@@ -1,11 +1,10 @@
 { lib, stdenv
 , fetchurl
-, fetchpatch
 , pkg-config
 , vala
 , gobject-introspection
 , gtk-doc
-, docbook_xsl
+, docbook-xsl-nons
 , docbook_xml_dtd_43
 , glib
 , babl
@@ -15,6 +14,7 @@
 , librsvg
 , lensfun
 , libspiro
+, maxflow
 , netsurf
 , pango
 , poly2tri-c
@@ -35,25 +35,16 @@
 
 stdenv.mkDerivation rec {
   pname = "gegl";
-  version = "0.4.26";
+  version = "0.4.28";
 
   outputs = [ "out" "dev" "devdoc" ];
   outputBin = "dev";
 
   src = fetchurl {
     url = "https://download.gimp.org/pub/gegl/${lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
-    sha256 = "sha256-DzceLtK5IWL+/T3edD5kjKCKahsrBQBIZ/vdx+IR5CQ=";
+    sha256 = "sha256-HRENhXfVTMo7NCOTFb03xXzLJ91DVWVQdKLSs/2JeQA=";
   };
 
-  patches = [
-    # fix build with darwin: https://github.com/NixOS/nixpkgs/issues/99108
-    # https://gitlab.gnome.org/GNOME/gegl/-/merge_requests/83
-    (fetchpatch {
-      url = "https://gitlab.gnome.org/GNOME/gegl/-/merge_requests/83.patch";
-      sha256 = "sha256-CSBYbJ2xnEN23xrla1qqr244jxOR5vNK8ljBSXdg4yE=";
-    })
-  ];
-
   nativeBuildInputs = [
     pkg-config
     gettext
@@ -62,7 +53,7 @@ stdenv.mkDerivation rec {
     vala
     gobject-introspection
     gtk-doc
-    docbook_xsl
+    docbook-xsl-nons
     docbook_xml_dtd_43
   ];
 
@@ -73,6 +64,7 @@ stdenv.mkDerivation rec {
     librsvg
     lensfun
     libspiro
+    maxflow
     netsurf.libnsgif
     pango
     poly2tri-c