From 9dda958c3a949bf6447355fc56c8aaaf7d7e6bf6 Mon Sep 17 00:00:00 2001
From: Jan Tojnar <jtojnar@gmail.com>
Date: Thu, 14 Oct 2021 23:43:53 +0200
Subject: [PATCH] goocanvas2: add updateScript

---
 pkgs/development/libraries/goocanvas/2.x.nix | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/goocanvas/2.x.nix b/pkgs/development/libraries/goocanvas/2.x.nix
index 4194064a5a29..1f2966695d86 100644
--- a/pkgs/development/libraries/goocanvas/2.x.nix
+++ b/pkgs/development/libraries/goocanvas/2.x.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkg-config, gettext, gtk-doc, gobject-introspection, python2, gtk3, cairo, glib }:
+{ lib, stdenv, fetchurl, pkg-config, gettext, gtk-doc, gobject-introspection, python2, gtk3, cairo, glib, gnome }:
 
 stdenv.mkDerivation rec {
   pname = "goocanvas";
@@ -20,6 +20,15 @@ stdenv.mkDerivation rec {
   PKG_CONFIG_GOBJECT_INTROSPECTION_1_0_GIRDIR = "$(dev)/share/gir-1.0";
   PKG_CONFIG_GOBJECT_INTROSPECTION_1_0_TYPELIBDIR = "$(out)/lib/girepository-1.0";
 
+  passthru = {
+    updateScript = gnome.updateScript {
+      attrPath = "${pname}${lib.versions.major version}";
+      packageName = pname;
+      versionPolicy = "odd-unstable";
+      freeze = true;
+    };
+  };
+
   meta = with lib; {
     description = "Canvas widget for GTK based on the the Cairo 2D library";
     homepage = "https://wiki.gnome.org/Projects/GooCanvas";