[gnome-software] Do the PackageKit refresh as a background transaction

[Richard Hughes <rhughes src gnome org>]

commit 6d6e4dcdb9a716ce515c689308a9070ba5130c02
Author: Richard Hughes <richard hughsie com>
Date:   Mon Apr 25 13:37:15 2016 +0100

    Do the PackageKit refresh as a background transaction
    
    This means we don't block foreground actions like resolve, install and remove.

 src/plugins/gs-plugin-packagekit-refresh.c |   15 +++++++--------
 1 files changed, 7 insertions(+), 8 deletions(-)
---
diff --git a/src/plugins/gs-plugin-packagekit-refresh.c b/src/plugins/gs-plugin-packagekit-refresh.c
index b3998f2..5152cc9 100644
--- a/src/plugins/gs-plugin-packagekit-refresh.c
+++ b/src/plugins/gs-plugin-packagekit-refresh.c
@@ -60,6 +60,8 @@ gs_plugin_initialize (GsPlugin *plugin)
 {
        GsPluginData *priv = gs_plugin_alloc_data (plugin, sizeof(GsPluginData));
        priv->task = pk_task_new ();
+       pk_task_set_only_download (priv->task, TRUE);
+       pk_client_set_background (PK_CLIENT (priv->task), TRUE);
        pk_client_set_interactive (PK_CLIENT (priv->task), FALSE);
 }
 
@@ -155,7 +157,6 @@ gs_plugin_refresh (GsPlugin *plugin,
 
        /* download all the packages themselves */
        if (flags & GS_PLUGIN_REFRESH_FLAGS_PAYLOAD) {
-               PkBitfield transaction_flags;
                g_auto(GStrv) package_ids = NULL;
                g_autoptr(PkPackageSack) sack = NULL;
                g_autoptr(PkResults) results2 = NULL;
@@ -164,14 +165,12 @@ gs_plugin_refresh (GsPlugin *plugin,
                if (pk_package_sack_get_size (sack) == 0)
                        return TRUE;
                package_ids = pk_package_sack_get_ids (sack);
-               transaction_flags = pk_bitfield_value (PK_TRANSACTION_FLAG_ENUM_ONLY_DOWNLOAD);
                gs_plugin_status_update (plugin, NULL, GS_PLUGIN_STATUS_WAITING);
-               results2 = pk_client_update_packages (PK_CLIENT (priv->task),
-                                                     transaction_flags,
-                                                     package_ids,
-                                                     cancellable,
-                                                     gs_plugin_packagekit_progress_cb, &data,
-                                                     error);
+               results2 = pk_task_update_packages_sync (priv->task,
+                                                        package_ids,
+                                                        cancellable,
+                                                        gs_plugin_packagekit_progress_cb, &data,
+                                                        error);
                if (results2 == NULL) {
                        gs_plugin_packagekit_convert_gerror (error);
                        return FALSE;