[gnome-software: 17/29] os-release: Make plugin setup asynchronous

[Philip Withnall <pwithnall src gnome org>]

commit 5bf814dcde0395507af20f2e796cc7211fa240c6
Author: Philip Withnall <pwithnall endlessos org>
Date:   Fri Oct 15 14:06:04 2021 +0100

    os-release: Make plugin setup asynchronous
    
    Signed-off-by: Philip Withnall <pwithnall endlessos org>
    
    Helps: #1472

 plugins/core/gs-plugin-os-release.c | 35 +++++++++++++++++++++++++++++------
 1 file changed, 29 insertions(+), 6 deletions(-)
---
diff --git a/plugins/core/gs-plugin-os-release.c b/plugins/core/gs-plugin-os-release.c
index 01f6c0d3f..e5500ce61 100644
--- a/plugins/core/gs-plugin-os-release.c
+++ b/plugins/core/gs-plugin-os-release.c
@@ -39,21 +39,32 @@ gs_plugin_os_release_init (GsPluginOsRelease *self)
        gs_app_set_state (self->app_system, GS_APP_STATE_INSTALLED);
 }
 
-gboolean
-gs_plugin_setup (GsPlugin *plugin, GCancellable *cancellable, GError **error)
+static void
+gs_plugin_os_release_setup_async (GsPlugin            *plugin,
+                                  GCancellable        *cancellable,
+                                  GAsyncReadyCallback  callback,
+                                  gpointer             user_data)
 {
        GsPluginOsRelease *self = GS_PLUGIN_OS_RELEASE (plugin);
+       g_autoptr(GTask) task = NULL;
        const gchar *cpe_name;
        const gchar *home_url;
        const gchar *name;
        const gchar *version;
        const gchar *os_id;
        g_autoptr(GsOsRelease) os_release = NULL;
+       g_autoptr(GError) local_error = NULL;
+
+       task = g_task_new (plugin, cancellable, callback, user_data);
+       g_task_set_source_tag (task, gs_plugin_os_release_setup_async);
 
        /* parse os-release, wherever it may be */
-       os_release = gs_os_release_new (error);
-       if (os_release == NULL)
-               return FALSE;
+       os_release = gs_os_release_new (&local_error);
+       if (os_release == NULL) {
+               g_task_return_error (task, g_steal_pointer (&local_error));
+               return;
+       }
+
        cpe_name = gs_os_release_get_cpe_name (os_release);
        if (cpe_name != NULL)
                gs_app_set_metadata (self->app_system, "GnomeSoftware::CpeName", cpe_name);
@@ -93,7 +104,15 @@ gs_plugin_setup (GsPlugin *plugin, GCancellable *cancellable, GError **error)
        }
 
        /* success */
-       return TRUE;
+       g_task_return_boolean (task, TRUE);
+}
+
+static gboolean
+gs_plugin_os_release_setup_finish (GsPlugin      *plugin,
+                                   GAsyncResult  *result,
+                                   GError       **error)
+{
+       return g_task_propagate_boolean (G_TASK (result), error);
 }
 
 gboolean
@@ -127,8 +146,12 @@ static void
 gs_plugin_os_release_class_init (GsPluginOsReleaseClass *klass)
 {
        GObjectClass *object_class = G_OBJECT_CLASS (klass);
+       GsPluginClass *plugin_class = GS_PLUGIN_CLASS (klass);
 
        object_class->dispose = gs_plugin_os_release_dispose;
+
+       plugin_class->setup_async = gs_plugin_os_release_setup_async;
+       plugin_class->setup_finish = gs_plugin_os_release_setup_finish;
 }
 
 GType