Fix accidental ABI break (#1197773)

GConf2.spec

@@ -10,7 +10,7 @@
 Summary: A process-transparent configuration system
 Name: GConf2
 Version: 3.2.6
-Release: 25%{?dist}
+Release: 26%{?dist}
 License: LGPLv2+ and GPLv2+
 #VCS: git:git://git.gnome.org/gconf
 Source0: http://download.gnome.org/sources/GConf/3.2/GConf-%{version}.tar.xz
@@ -23,6 +23,9 @@ Patch0: GConf-gettext.patch
 # https://bugzilla.gnome.org/show_bug.cgi?id=671490
 Patch1: drop-spew.patch
 
+# https://bugzilla.redhat.com/show_bug.cgi?id=1197773
+Patch2: gconf-3.2.6-gconf-engine_key_is_writable.patch
+
 # https://bugzilla.redhat.com/show_bug.cgi?id=755992
 Patch99: workaround-crash.patch
 Patch100: pkill-hack.patch
@@ -77,6 +80,7 @@ development using GConf.
 %setup -q -n GConf-%{version}
 %patch0 -p1 -b .gettext
 %patch1 -p1 -b .drop-spew
+%patch2 -p1 -b .abi-break
 
 %patch99 -p1 -b .workaround-crash
 %patch100 -p1 -b .pkill-hack
@@ -175,6 +179,9 @@ fi
 %{_mandir}/man1/gsettings-schema-convert.1*
 
 %changelog
+* Fri May 03 2019 David King <amigadave@amigadave.com> - 3.2.6-26
+- Fix accidental ABI break (#1197773)
+
 * Mon Feb 18 2019 Parag Nemade <pnemade@redhat.com> - 3.2.6-25
 - Fix python shebang to python3 environment
 - used 2to3 to convert gsettings-schema-convert to run under python3

gconf-3.2.6-gconf-engine_key_is_writable.patch

@@ -0,0 +1,47 @@
+From 7fc5106b58e9270e0d92b4c054a120628320b410 Mon Sep 17 00:00:00 2001
+From: Vincent Untz <vuntz@gnome.org>
+Date: Tue, 21 Feb 2012 15:26:47 +0100
+Subject: [PATCH] gconf-dbus: Add gconf_engine_key_is_writable()
+
+This went missing in the dbus port, and so we broke ABI.
+It's really the same code as in the corba code.
+
+https://bugzilla.gnome.org/show_bug.cgi?id=668948
+---
+ gconf/gconf-dbus.c |   23 +++++++++++++++++++++++
+ 1 files changed, 23 insertions(+), 0 deletions(-)
+
+Index: GConf-3.2.6/gconf/gconf-dbus.c
+===================================================================
+--- GConf-3.2.6.orig/gconf/gconf-dbus.c	2013-06-06 02:39:13.243932775 +0200
++++ GConf-3.2.6/gconf/gconf-dbus.c	2013-06-06 02:39:13.239932729 +0200
+@@ -2195,6 +2195,29 @@
+     }
+ }
+ 
++gboolean
++gconf_engine_key_is_writable (GConfEngine *conf,
++                              const gchar *key,
++                              GError     **err)
++{
++  gboolean is_writable = TRUE;
++  GConfValue *val;
++
++  CHECK_OWNER_USE (conf);
++
++  /* FIXME implement IDL to allow getting only writability
++   * (not that urgent since GConfClient caches this crap
++   * anyway)
++   */
++
++  val = gconf_engine_get_full(conf, key, NULL, TRUE,
++                              NULL, &is_writable, err);
++
++  gconf_value_free (val);
++
++  return is_writable;
++}
++
+ static void
+ cnxn_get_all_func (gpointer key,
+ 		   gpointer value,