[gnome-software/gnome-3-26] packagekit: Never call GetDetails when there are no source IDs

[Kalev Lember <klember src gnome org>]

commit 2c1ae00bcb523fd181a203046dc3183005aa398f
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 0f9574a1..7143c147 100644
--- a/plugins/packagekit/gs-plugin-packagekit-refine.c
+++ b/plugins/packagekit/gs-plugin-packagekit-refine.c
@@ -548,6 +548,8 @@ 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.app = NULL;