Fix AT_SPI_BUS for Xwayland apps run as root (#1821345)

Resolves: #1951119

(cherry picked from Fedora commit d6dd6c34d44609e680e2501efca60d76a8063e53)

at-spi2-core.spec

@@ -1,11 +1,14 @@
 Name:           at-spi2-core
 Version:        2.40.0
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        Protocol definitions and daemon for D-Bus at-spi
 
 License:        LGPLv2+
 URL:            http://www.linuxfoundation.org/en/AT-SPI_on_D-Bus
 Source0:        http://download.gnome.org/sources/at-spi2-core/2.40/%{name}-%{version}.tar.xz
+# scriptlet to set AT_SPI_BUS for XWayland apps that run as root (i.e. anaconda)
+# https://bugzilla.redhat.com/show_bug.cgi?id=1821345
+Source1:        xwayland-session-scriptlet
 
 BuildRequires:  dbus-devel
 BuildRequires:  gettext
@@ -46,6 +49,8 @@ API documentation for libatspi.
 
 %install
 %meson_install
+install -d %{buildroot}%{_sysconfdir}/xdg/Xwayland-session.d
+install -m 0755 %{SOURCE1} %{buildroot}%{_sysconfdir}/xdg/Xwayland-session.d/00-at-spi
 
 %{find_lang} %{name}
 
@@ -57,6 +62,12 @@ API documentation for libatspi.
 %dir %{_datadir}/defaults/at-spi2
 %{_datadir}/defaults/at-spi2/accessibility.conf
 %{_sysconfdir}/xdg/autostart/at-spi-dbus-bus.desktop
+# the 'logical' owner of this dir is gnome-settings-daemon, but g-s-d
+# indirectly depends on this package, so depending on it to provide
+# this directory would create a circular dependency. so we just co-own
+# it instead
+%dir %{_sysconfdir}/xdg/Xwayland-session.d
+%{_sysconfdir}/xdg/Xwayland-session.d/00-at-spi
 %{_libdir}/libatspi.so.*
 %dir %{_libdir}/girepository-1.0
 %{_libdir}/girepository-1.0/Atspi-2.0.typelib
@@ -74,6 +85,9 @@ API documentation for libatspi.
 %{_libdir}/pkgconfig/atspi-2.pc
 
 %changelog
+* Thu Apr 15 2021 Adam Williamson <awilliam@redhat.com> - 2.40.0-3
+- Install a scriptlet to fix AT_SPI_BUS for Xwayland apps run as root (#1821345)
+
 * Thu Apr 15 2021 Mohan Boddu <mboddu@redhat.com> - 2.40.0-2
 - Rebuilt for RHEL 9 BETA on Apr 15th 2021. Related: rhbz#1947937
 

xwayland-session-scriptlet

@@ -0,0 +1,3 @@
+#!/bin/sh
+
+xprop -root -format AT_SPI_BUS 8s -set 'AT_SPI_BUS' "$( busctl call --user org.a11y.Bus /org/a11y/bus org.a11y.Bus GetAddress | sed 's/s "\(.*\)"/\1/' )"