[gnome-software/wip/kalev/rpm-ostree-distro-upgrade-fixes: 20/21] rpm-ostree: Hook up distro upgrade triggering

[Kalev Lember <klember src gnome org>]

commit 229e3ccada85ec6fcec26d06435f680b3cac0ab1
Author: Kalev Lember <klember redhat com>
Date:   Thu Jan 9 14:54:18 2020 +0100

    rpm-ostree: Hook up distro upgrade triggering
    
    We were correctly downloading distro upgrades, but never deploying the
    new version.
    
    Fixes: https://gitlab.gnome.org/GNOME/gnome-software/issues/857

 plugins/rpm-ostree/gs-plugin-rpm-ostree.c | 61 +++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
---
diff --git a/plugins/rpm-ostree/gs-plugin-rpm-ostree.c b/plugins/rpm-ostree/gs-plugin-rpm-ostree.c
index 8e8da6f7..cccc7f5e 100644
--- a/plugins/rpm-ostree/gs-plugin-rpm-ostree.c
+++ b/plugins/rpm-ostree/gs-plugin-rpm-ostree.c
@@ -928,6 +928,67 @@ gs_plugin_update_app (GsPlugin *plugin,
        return TRUE;
 }
 
+gboolean
+gs_plugin_app_upgrade_trigger (GsPlugin *plugin,
+                               GsApp *app,
+                               GCancellable *cancellable,
+                               GError **error)
+{
+       GsPluginData *priv = gs_plugin_get_data (plugin);
+       const char *packages[] = { NULL };
+       g_autofree gchar *new_refspec = NULL;
+       g_autofree gchar *transaction_address = NULL;
+       g_autoptr(GVariant) options = NULL;
+       g_autoptr(TransactionProgress) tp = transaction_progress_new ();
+
+       /* only process this app if was created by this plugin */
+       if (g_strcmp0 (gs_app_get_management_plugin (app), gs_plugin_get_name (plugin)) != 0)
+               return TRUE;
+
+       /* check is distro-upgrade */
+       if (gs_app_get_kind (app) != AS_APP_KIND_OS_UPGRADE)
+               return TRUE;
+
+       /* construct new refspec based on the distro version we're upgrading to */
+       new_refspec = g_strdup_printf ("ostree://fedora/%s/x86_64/silverblue",
+                                      gs_app_get_version (app));
+
+       /* trigger the upgrade */
+       options = make_rpmostree_options_variant (FALSE,  /* reboot */
+                                                 TRUE,   /* allow-downgrade */
+                                                 TRUE,   /* cache-only */
+                                                 FALSE,  /* download-only */
+                                                 FALSE,  /* skip-purge */
+                                                 FALSE,  /* no-pull-base */
+                                                 FALSE,  /* dry-run */
+                                                 FALSE); /* no-overrides */
+
+       if (!gs_rpmostree_os_call_rebase_sync (priv->os_proxy,
+                                              options,
+                                              new_refspec,
+                                              packages,
+                                              NULL /* fd list */,
+                                              &transaction_address,
+                                              NULL /* fd list out */,
+                                              cancellable,
+                                              error)) {
+               gs_rpmostree_error_convert (error);
+               return FALSE;
+       }
+
+       if (!gs_rpmostree_transaction_get_response_sync (priv->sysroot_proxy,
+                                                        transaction_address,
+                                                        tp,
+                                                        cancellable,
+                                                        error)) {
+               gs_rpmostree_error_convert (error);
+               return FALSE;
+       }
+
+       /* success */
+       return TRUE;
+}
+
 static gboolean
 gs_plugin_repo_enable (GsPlugin *plugin,
                        GsApp *app,