diff -up evolution-data-server-3.12.11/addressbook/backends/webdav/e-book-backend-webdav.c.implement-webdav-refresh evolution-data-server-3.12.11/addressbook/backends/webdav/e-book-backend-webdav.c

--- evolution-data-server-3.12.11/addressbook/backends/webdav/e-book-backend-webdav.c.implement-webdav-refresh	2014-05-22 08:45:46.000000000 +0200

+++ evolution-data-server-3.12.11/addressbook/backends/webdav/e-book-backend-webdav.c	2015-05-04 19:15:14.463350678 +0200

@@ -832,6 +832,7 @@ static gboolean

 download_contacts (EBookBackendWebdav *webdav,

                    EFlag *running,

                    EDataBookView *book_view,

+		   gboolean force,

                    GCancellable *cancellable,

                    GError **error)

 {

@@ -851,7 +852,7 @@ download_contacts (EBookBackendWebdav *w

 	g_mutex_lock (&priv->update_lock);

-	if (!check_addressbook_changed (webdav, &new_ctag, cancellable)) {

+	if (!force && !check_addressbook_changed (webdav, &new_ctag, cancellable)) {

 		g_free (new_ctag);

 		g_mutex_unlock (&priv->update_lock);

 		return TRUE;

@@ -1072,7 +1073,7 @@ book_view_thread (gpointer data)

 	 * it's stopped */

 	g_object_ref (book_view);

-	download_contacts (webdav, closure->running, book_view, NULL, NULL);

+	download_contacts (webdav, closure->running, book_view, FALSE, NULL, NULL);

 	g_object_unref (book_view);

@@ -1218,7 +1219,7 @@ book_backend_webdav_get_backend_property

 	g_return_val_if_fail (prop_name != NULL, NULL);

 	if (g_str_equal (prop_name, CLIENT_BACKEND_PROPERTY_CAPABILITIES)) {

-		return g_strdup ("net,do-initial-query,contact-lists");

+		return g_strdup ("net,do-initial-query,contact-lists,refresh-supported");

 	} else if (g_str_equal (prop_name, BOOK_BACKEND_PROPERTY_REQUIRED_FIELDS)) {

 		return g_strdup (e_contact_field_name (E_CONTACT_FILE_AS));

@@ -1764,7 +1765,7 @@ book_backend_webdav_get_contact_list_syn

 	if (e_backend_get_online (E_BACKEND (backend))) {

 		/* make sure the cache is up to date */

-		if (!download_contacts (webdav, NULL, NULL, cancellable, error))

+		if (!download_contacts (webdav, NULL, NULL, FALSE, cancellable, error))

 			return FALSE;

 	}

@@ -1822,6 +1823,29 @@ book_backend_webdav_try_password_sync (E

 	return result;

 }

+static gboolean

+e_book_backend_webdav_refresh_sync (EBookBackend *book_backend,

+				    GCancellable *cancellable,

+				    GError **error)

+{

+	EBackend *backend;

+

+	g_return_val_if_fail (E_IS_BOOK_BACKEND_WEBDAV (book_backend), FALSE);

+

+	backend = E_BACKEND (book_backend);

+

+	if (!e_backend_get_online (backend) &&

+	    e_backend_is_destination_reachable (backend, cancellable, NULL)) {

+		e_backend_set_online (backend, TRUE);

+	}

+

+	if (e_backend_get_online (backend) && !g_cancellable_is_cancelled (cancellable)) {

+		return download_contacts (E_BOOK_BACKEND_WEBDAV (book_backend), NULL, NULL, TRUE, cancellable, error);

+	}

+

+	return TRUE;

+}

+

 static void

 e_book_backend_webdav_class_init (EBookBackendWebdavClass *class)

 {

@@ -1844,6 +1868,7 @@ e_book_backend_webdav_class_init (EBookB

 	backend_class->get_contact_list_sync = book_backend_webdav_get_contact_list_sync;

 	backend_class->start_view = e_book_backend_webdav_start_view;

 	backend_class->stop_view = e_book_backend_webdav_stop_view;

+	backend_class->refresh_sync = e_book_backend_webdav_refresh_sync;

 }

 static void

diff -up evolution-data-server-3.12.11/calendar/backends/caldav/e-cal-backend-caldav.c.implement-webdav-refresh evolution-data-server-3.12.11/calendar/backends/caldav/e-cal-backend-caldav.c

--- evolution-data-server-3.12.11/calendar/backends/caldav/e-cal-backend-caldav.c.implement-webdav-refresh	2014-11-12 17:57:45.000000000 +0100

+++ evolution-data-server-3.12.11/calendar/backends/caldav/e-cal-backend-caldav.c	2015-05-04 19:15:14.464350669 +0200

@@ -3013,9 +3013,17 @@ caldav_refresh (ECalBackendSync *backend

 	g_mutex_lock (&cbdav->priv->busy_lock);

 	if (!cbdav->priv->loaded

-	    || cbdav->priv->slave_cmd == SLAVE_SHOULD_DIE

-	    || !check_state (cbdav, &online, NULL)

-	    || !online) {

+	    || cbdav->priv->slave_cmd == SLAVE_SHOULD_DIE) {

+		g_mutex_unlock (&cbdav->priv->busy_lock);

+		return;

+	}

+

+	if (!e_backend_get_online (E_BACKEND (backend)) &&

+	    e_backend_is_destination_reachable (E_BACKEND (backend), cancellable, NULL)) {

+		e_backend_set_online (E_BACKEND (backend), TRUE);

+	}

+

+	if (!check_state (cbdav, &online, NULL) || !online) {

 		g_mutex_unlock (&cbdav->priv->busy_lock);

 		return;

 	}