[glib] GTestDBus: Allow to specify the dbus-daemon binary

[Alexander Larsson <alexl src gnome org>]

commit 74214e2997e51fd96842aac2eee049e6b81a4595
Author: Alexander Larsson <alexl redhat com>
Date:   Thu Apr 19 11:01:24 2012 +0200

    GTestDBus: Allow to specify the dbus-daemon binary
    
    The env var G_TEST_DBUS_DAEMON lets you change dbus-daemon to
    whatever you want. This is useful to test with gdbus-daemon

 gio/gtestdbus.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/gio/gtestdbus.c b/gio/gtestdbus.c
index f79aade..99f855b 100644
--- a/gio/gtestdbus.c
+++ b/gio/gtestdbus.c
@@ -514,6 +514,9 @@ start_daemon (GTestDBus *self)
   gsize termpos;
   GError *error = NULL;
 
+  if (g_getenv ("G_TEST_DBUS_DAEMON") != NULL)
+    argv[0] = g_getenv ("G_TEST_DBUS_DAEMON");
+
   /* Write config file and set its path in argv */
   file = write_config_file (self);
   config_path = g_file_get_path (file);