[gnome-software/wip/temp/ubuntu-xenial-rebased-corrected: 34/331] Improve install/remove



commit 11589692ed5e70e40666c78d120655ba174d7bfa
Author: Robert Ancell <robert ancell canonical com>
Date:   Fri Feb 5 11:57:52 2016 +1300

    Improve install/remove

 src/plugins/gs-plugin-apt.c |   80 +++++++++++++++++++++++++-----------------
 1 files changed, 48 insertions(+), 32 deletions(-)
---
diff --git a/src/plugins/gs-plugin-apt.c b/src/plugins/gs-plugin-apt.c
index c4c7f7b..1ae3b15 100644
--- a/src/plugins/gs-plugin-apt.c
+++ b/src/plugins/gs-plugin-apt.c
@@ -212,6 +212,13 @@ gs_plugin_add_installed (GsPlugin *plugin,
        return TRUE;
 }
 
+typedef struct
+{
+       GMainLoop *loop;
+       GsApp *app;
+       gchar **result;
+} TransactionData;
+
 static void
 transaction_property_changed_cb (GDBusConnection *connection,
                                 const gchar *sender_name,
@@ -221,13 +228,13 @@ transaction_property_changed_cb (GDBusConnection *connection,
                                 GVariant *parameters,
                                 gpointer user_data)
 {
-       GsApp *app = user_data;
+       TransactionData *data = user_data;
        const gchar *name;
        g_autoptr(GVariant) value = NULL;
 
        g_variant_get (parameters, "(&sv)", &name, &value);
        if (strcmp (name, "Progress") == 0)
-               gs_app_set_progress (app, g_variant_get_int32 (value));
+               gs_app_set_progress (data->app, g_variant_get_int32 (value));
 }
 
 static void
@@ -239,14 +246,11 @@ transaction_finished_cb (GDBusConnection *connection,
                         GVariant *parameters,
                         gpointer user_data)
 {
-       GMainLoop *loop = user_data;
-       const gchar *result;
+       TransactionData *data = user_data;
 
-       g_variant_get (parameters, "(&s)", &result);
-       g_printerr ("FINISHED %s\n", result);
-       // FIXME: Check result is "exit-success"
+       g_variant_get (parameters, "(s)", data->result);
 
-       g_main_loop_quit (loop);
+       g_main_loop_quit (data->loop);
 }
 
 static gboolean
@@ -255,8 +259,10 @@ aptd_transaction (const gchar *method, GsApp *app, GError **error)
        g_autoptr(GDBusConnection) conn = NULL;
        g_autoptr(GVariant) result = NULL;
        GVariantBuilder builder;
-       gchar *transaction_path = NULL;
+       g_autofree gchar *transaction_path = NULL, *transaction_result = NULL;
        g_autoptr(GMainLoop) loop = NULL;
+       guint property_signal, finished_signal;
+       TransactionData data;
 
        conn = g_bus_get_sync (G_BUS_TYPE_SYSTEM, NULL, error);
        if (conn == NULL)
@@ -282,34 +288,36 @@ aptd_transaction (const gchar *method, GsApp *app, GError **error)
 
        loop = g_main_loop_new (NULL, FALSE);
 
-       // FIXME: Keep handlers to remove later
-       g_dbus_connection_signal_subscribe (conn,
-                                           "org.debian.apt",
-                                           "org.debian.apt.transaction",
-                                           "PropertyChanged",
-                                           transaction_path,
-                                           NULL,
-                                           G_DBUS_SIGNAL_FLAGS_NONE,
-                                           transaction_property_changed_cb,
-                                           app,
-                                           NULL);
-       g_dbus_connection_signal_subscribe (conn,
-                                           "org.debian.apt",
-                                           "org.debian.apt.transaction",
-                                           "Finished",
-                                           transaction_path,
-                                           NULL,
-                                           G_DBUS_SIGNAL_FLAGS_NONE,
-                                           transaction_finished_cb,
-                                           loop,
-                                           NULL);
+       data.app = app;
+       data.loop = loop;
+       data.result = &transaction_result;
+       property_signal = g_dbus_connection_signal_subscribe (conn,
+                                                             "org.debian.apt",
+                                                             "org.debian.apt.transaction",
+                                                             "PropertyChanged",
+                                                             transaction_path,
+                                                             NULL,
+                                                             G_DBUS_SIGNAL_FLAGS_NONE,
+                                                             transaction_property_changed_cb,
+                                                             &data,
+                                                             NULL);
+       finished_signal = g_dbus_connection_signal_subscribe (conn,
+                                                             "org.debian.apt",
+                                                             "org.debian.apt.transaction",
+                                                             "Finished",
+                                                             transaction_path,
+                                                             NULL,
+                                                             G_DBUS_SIGNAL_FLAGS_NONE,
+                                                             transaction_finished_cb,
+                                                             &data,
+                                                             NULL);
        result = g_dbus_connection_call_sync (conn,
                                              "org.debian.apt",
                                              transaction_path,
                                              "org.debian.apt.transaction",
                                              "Run",
                                              g_variant_new ("()"),
-                                             G_VARIANT_TYPE (""),
+                                             G_VARIANT_TYPE ("()"),
                                              G_DBUS_CALL_FLAGS_NONE,
                                              -1,
                                              NULL,
@@ -318,8 +326,16 @@ aptd_transaction (const gchar *method, GsApp *app, GError **error)
                return FALSE;
 
        g_main_loop_run (loop);
+       g_dbus_connection_signal_unsubscribe (conn, property_signal);
+       g_dbus_connection_signal_unsubscribe (conn, finished_signal);
 
-       gs_app_set_state (app, AS_APP_STATE_INSTALLED);
+       if (g_strcmp0 (transaction_result, "exit-success") != 0) {
+               g_set_error (error,
+                            GS_PLUGIN_ERROR,
+                            GS_PLUGIN_ERROR_FAILED,
+                            "apt trasaction returned result %s", transaction_result);
+               return FALSE;
+       }
 
        return TRUE;
 }


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