add copyright and license notice + remove dead code

1 files changed, 17 insertions, 0 deletions

diff --git a/utils/io.go b/utils/io.go
index fcc341e..a0aa70c 100644
--- a/utils/io.go
+++ b/utils/io.go
@@ -1,3 +1,20 @@
+/* Copyright (C) 2021 Nicolas Peugnet <n.peugnet@free.fr>
+
+   This file is part of dna-backup.
+
+   dna-backup is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   dna-backup is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with dna-backup.  If not, see <https://www.gnu.org/licenses/>. */
+
 package utils
 
 import (