Blame SOURCES/evolution-3.28.5-crash-empty-attendee.patch

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diff -up evolution-3.28.5/src/calendar/gui/e-comp-editor.c.crash-empty-attendee evolution-3.28.5/src/calendar/gui/e-comp-editor.c
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--- evolution-3.28.5/src/calendar/gui/e-comp-editor.c.crash-empty-attendee	2018-07-30 15:37:05.000000000 +0200
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+++ evolution-3.28.5/src/calendar/gui/e-comp-editor.c	2019-06-28 11:36:27.645365528 +0200
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@@ -2610,6 +2610,7 @@ e_comp_editor_fill_component (ECompEdito
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 			      icalcomponent *component)
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 {
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 	ECompEditorClass *comp_editor_class;
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+	GtkWidget *focused_widget;
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 	gboolean is_valid;
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 	g_return_val_if_fail (E_IS_COMP_EDITOR (comp_editor), FALSE);
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@@ -2619,8 +2620,30 @@ e_comp_editor_fill_component (ECompEdito
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 	g_return_val_if_fail (comp_editor_class != NULL, FALSE);
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 	g_return_val_if_fail (comp_editor_class->fill_component != NULL, FALSE);
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+	focused_widget = gtk_window_get_focus (GTK_WINDOW (comp_editor));
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+	if (focused_widget) {
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+		GtkWidget *parent, *ce_widget = GTK_WIDGET (comp_editor);
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+
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+		/* When a cell-renderer is focused and editing the cell content,
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+		   then unfocus it may mean to free the currently focused widget,
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+		   thus get the GtkTreeView in such cases. */
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+		parent = focused_widget;
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+		while (parent = gtk_widget_get_parent (parent), parent && parent != ce_widget) {
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+			if (GTK_IS_TREE_VIEW (parent)) {
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+				focused_widget = parent;
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+				break;
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+			}
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+		}
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+
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+		/* Save any pending changes */
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+		gtk_window_set_focus (GTK_WINDOW (comp_editor), NULL);
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+	}
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+
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 	is_valid = comp_editor_class->fill_component (comp_editor, component);
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+	if (focused_widget)
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+		gtk_window_set_focus (GTK_WINDOW (comp_editor), focused_widget);
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+
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 	if (is_valid && comp_editor->priv->validation_alert) {
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 		e_alert_response (comp_editor->priv->validation_alert, GTK_RESPONSE_CLOSE);
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 		g_clear_object (&comp_editor->priv->validation_alert);
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diff -up evolution-3.28.5/src/modules/calendar/e-cal-shell-content.c.crash-empty-attendee evolution-3.28.5/src/modules/calendar/e-cal-shell-content.c
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--- evolution-3.28.5/src/modules/calendar/e-cal-shell-content.c.crash-empty-attendee	2018-07-30 15:37:05.000000000 +0200
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+++ evolution-3.28.5/src/modules/calendar/e-cal-shell-content.c	2019-06-28 11:36:27.645365528 +0200
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@@ -847,9 +847,9 @@ cal_shell_content_get_attendee_prop (ica
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 	while (prop != NULL) {
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 		const gchar *attendee;
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-		attendee = icalproperty_get_attendee (prop);
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+		attendee = itip_strip_mailto (icalproperty_get_attendee (prop));
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-		if (g_str_equal (itip_strip_mailto (attendee), address))
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+		if (attendee && g_ascii_strcasecmp (attendee, address) == 0)
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 			return prop;
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 		prop = icalcomponent_get_next_property (