From 22b30f7074aa70040f55e35abd07470d945fea1a Mon Sep 17 00:00:00 2001
From: Alexander Larsson <alexl@redhat.com>
Date: Fri, 15 Jan 2016 16:15:25 +0100
Subject: [PATCH] lib: Add xdg_app_installation_update_appdata_sync

---
 lib/xdg-app-installation.c | 43 ++++++++++++++++++++++++++++++++++++++
 lib/xdg-app-installation.h |  6 ++++++
 2 files changed, 49 insertions(+)

diff --git a/lib/xdg-app-installation.c b/lib/xdg-app-installation.c
index 57379e3d..38b0c9c1 100644
--- a/lib/xdg-app-installation.c
+++ b/lib/xdg-app-installation.c
@@ -1117,6 +1117,49 @@ xdg_app_installation_fetch_remote_ref_sync (XdgAppInstallation *self,
   return NULL;
 }
 
+static void
+no_progress_cb (OstreeAsyncProgress *progress, gpointer user_data)
+{
+}
+
+/**
+ * xdg_app_installation_update_appdata_sync:
+ * @self: a #XdgAppInstallation
+ * @remote_name: the name of the remote
+ * @arch: Architecture to update, or %NULL for the local machine arch
+ * @out_changed: (nullable): Set to %TRUE if the contents of the appdata changed, %FALSE if nothing changed
+ * @cancellable: (nullable): a #GCancellable
+ * @error: return location for a #GError
+ *
+ * Updates the local copy of appdata for @remote_name for the specified @arch.
+ *
+ * Returns: %TRUE on success, or %FALSE on error
+ */
+gboolean
+xdg_app_installation_update_appdata_sync (XdgAppInstallation  *self,
+                                          const char          *remote_name,
+                                          const char          *arch,
+                                          gboolean            *out_changed,
+                                          GCancellable        *cancellable,
+                                          GError             **error)
+{
+  XdgAppInstallationPrivate *priv = xdg_app_installation_get_instance_private (self);
+  g_autoptr(XdgAppDir) dir_clone = NULL;
+  g_autoptr(OstreeAsyncProgress) ostree_progress = NULL;
+
+  /* Pull, prune, etc are not threadsafe, so we work on a copy */
+  dir_clone = xdg_app_dir_clone (priv->dir);
+
+  ostree_progress = ostree_async_progress_new_and_connect (no_progress_cb, NULL);
+  return xdg_app_dir_update_appdata (dir_clone,
+                                     remote_name,
+                                     arch,
+                                     out_changed,
+                                     ostree_progress,
+                                     cancellable,
+                                     error);
+}
+
 /**
  * xdg_app_installation_create_monitor:
  * @self: a #XdgAppInstallation
diff --git a/lib/xdg-app-installation.h b/lib/xdg-app-installation.h
index 10e7e02f..c6994fbc 100644
--- a/lib/xdg-app-installation.h
+++ b/lib/xdg-app-installation.h
@@ -163,5 +163,11 @@ XDG_APP_EXTERN XdgAppRemoteRef  *xdg_app_installation_fetch_remote_ref_sync
                                                                                   const char          *branch,
                                                                                   GCancellable        *cancellable,
                                                                                   GError             **error);
+XDG_APP_EXTERN gboolean          xdg_app_installation_update_appdata_sync        (XdgAppInstallation  *self,
+                                                                                  const char          *remote_name,
+                                                                                  const char          *arch,
+                                                                                  gboolean            *out_changed,
+                                                                                  GCancellable        *cancellable,
+                                                                                  GError             **error);
 
 #endif /* __XDG_APP_INSTALLATION_H__ */