[gnome-software] packagekit: Never call GetDetails when there are no source IDs

[Kalev Lember <klember src gnome org>]

commit 81379d56cc7966c88a48e01ab8d92bcf74ccf0fa
Author: Kalev Lember <klember redhat com>
Date:   Tue Feb 6 14:20:36 2018 +0100

    packagekit: Never call GetDetails when there are no source IDs
    
    Based on a downstream patch by Richard Hughes <richard hughsie com>
    
    https://bugzilla.redhat.com/show_bug.cgi?id=1445651

 plugins/packagekit/gs-plugin-packagekit-refine.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/plugins/packagekit/gs-plugin-packagekit-refine.c 
b/plugins/packagekit/gs-plugin-packagekit-refine.c
index f2746384..0a5f9db0 100644
--- a/plugins/packagekit/gs-plugin-packagekit-refine.c
+++ b/plugins/packagekit/gs-plugin-packagekit-refine.c
@@ -312,6 +312,8 @@ gs_plugin_packagekit_refine_details2 (GsPlugin *plugin,
                        g_ptr_array_add (package_ids, g_strdup (package_id));
                }
        }
+       if (package_ids->len == 0)
+               return TRUE;
        g_ptr_array_add (package_ids, NULL);
 
        data.plugin = plugin;