[gnome-software] When de-duplicating packages get useful data from the old package

[Richard Hughes <rhughes src gnome org>]

commit fdf2d7cf29929c2b700a7fcfd873f088df856cfe
Author: Richard Hughes <richard hughsie com>
Date:   Thu Sep 26 16:28:09 2013 +0100

    When de-duplicating packages get useful data from the old package

 src/gs-plugin-loader.c |   16 ++++++++++++++++
 1 files changed, 16 insertions(+), 0 deletions(-)
---
diff --git a/src/gs-plugin-loader.c b/src/gs-plugin-loader.c
index 6c095d5..281bd7f 100644
--- a/src/gs-plugin-loader.c
+++ b/src/gs-plugin-loader.c
@@ -106,6 +106,22 @@ gs_plugin_loader_dedupe (GsPluginLoader *plugin_loader, GsApp *app)
                        gs_app_set_state (new_app, GS_APP_STATE_UPDATABLE);
                }
 
+               /* save any properties we already know */
+               if (gs_app_get_source (app) != NULL)
+                       gs_app_set_source (new_app, gs_app_get_source (app));
+               if (gs_app_get_name (app) != NULL)
+                       gs_app_set_name (new_app, gs_app_get_name (app));
+               if (gs_app_get_summary (app) != NULL)
+                       gs_app_set_summary (new_app, gs_app_get_summary (app));
+               if (gs_app_get_description (app) != NULL)
+                       gs_app_set_description (new_app, gs_app_get_description (app));
+               if (gs_app_get_update_details (app) != NULL)
+                       gs_app_set_update_details (new_app, gs_app_get_update_details (app));
+               if (gs_app_get_update_version (app) != NULL)
+                       gs_app_set_update_version (new_app, gs_app_get_update_version (app));
+               if (gs_app_get_pixbuf (app) != NULL)
+                       gs_app_set_pixbuf (new_app, gs_app_get_pixbuf (app));
+
                /* this looks a little odd to unref the method parameter,
                 * but it allows us to do:
                 * app = gs_plugin_loader_dedupe (cache, app);