treewide: Add nice GPL-3.0-or-later license header

This change also ensures that this repo is reuse-3.0 compliant.

2 files changed, 19 insertions, 14 deletions

diff --git a/pkgs/by-name/sn/snap-sync-forked/package.nix b/pkgs/by-name/sn/snap-sync-forked/package.nix
index 6e020b60..4be1b222 100644
--- a/pkgs/by-name/sn/snap-sync-forked/package.nix
+++ b/pkgs/by-name/sn/snap-sync-forked/package.nix
@@ -1,3 +1,12 @@
+# nixos-config - My current NixOS configuration
+#
+# Copyright (C) 2025 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
+# This file is part of my nixos-config.
+#
+# You should have received a copy of the License along with this program.
+# If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
 {
   writeShellApplication,
   bash,
diff --git a/pkgs/by-name/sn/snap-sync-forked/snap-sync-forked.sh b/pkgs/by-name/sn/snap-sync-forked/snap-sync-forked.sh
index 29f14b4f..cefd7c84 100755
--- a/pkgs/by-name/sn/snap-sync-forked/snap-sync-forked.sh
+++ b/pkgs/by-name/sn/snap-sync-forked/snap-sync-forked.sh
@@ -1,22 +1,18 @@
 #!/usr/bin/env bash
 
+# nixos-config - My current NixOS configuration
 #
-# snap-sync
-# https://github.com/wesbarnett/snap-sync
 # Copyright (C) 2016-2021 Wes Barnett
+# Copyright (C) 2025 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
+# This file is part of my nixos-config.
+#
+# You should have received a copy of the License along with this program.
+# If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
 
-# 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
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-
-# This program 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 this program; if not, write to the Free Software Foundation, Inc.,
+# snap-sync
+# https://github.com/wesbarnett/snap-sync
 
 # -------------------------------------------------------------------------