/*
sgodup -- File deduplication utility
-Copyright (C) 2020-2021 Sergey Matveev <stargrave@stargrave.org>
+Copyright (C) 2020-2023 Sergey Matveev <stargrave@stargrave.org>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
func main() {
flag.Usage = func() {
fmt.Fprintf(os.Stderr, `sgodup -- file deduplication utility
-Copyright (C) 2020-2021 Sergey Matveev
+Copyright (C) 2020-2023 Sergey Matveev
License GPLv3: GNU GPL version 3 <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.