[gnome-software] When de-duplicating packages preserve the updatable state

[Richard Hughes <rhughes src gnome org>]

commit 6b9479b56ff7ff36e1abc7832e2974ed9d91f032
Author: Richard Hughes <richard hughsie com>
Date:   Thu Sep 26 16:27:29 2013 +0100

    When de-duplicating packages preserve the updatable state

 src/gs-plugin-loader.c |   10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)
---
diff --git a/src/gs-plugin-loader.c b/src/gs-plugin-loader.c
index f05a502..6c095d5 100644
--- a/src/gs-plugin-loader.c
+++ b/src/gs-plugin-loader.c
@@ -96,7 +96,15 @@ gs_plugin_loader_dedupe (GsPluginLoader *plugin_loader, GsApp *app)
        /* already exists */
        new_app = g_hash_table_lookup (priv->app_cache, gs_app_get_id (app));
        if (new_app != NULL) {
-               /* already exists */
+               /* an [updatable] installable package is more information than
+                * just the fact that something is installed */
+               if (gs_app_get_state (app) == GS_APP_STATE_UPDATABLE &&
+                   gs_app_get_state (new_app) == GS_APP_STATE_INSTALLED) {
+                       /* we have to do the little dance to appease the
+                        * angry gnome controlling the state-machine */
+                       gs_app_set_state (new_app, GS_APP_STATE_UNKNOWN);
+                       gs_app_set_state (new_app, GS_APP_STATE_UPDATABLE);
+               }
 
                /* this looks a little odd to unref the method parameter,
                 * but it allows us to do: