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

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

5 files changed, 46 insertions, 0 deletions

diff --git a/modules/common/abstract-nord.png.license b/modules/common/abstract-nord.png.license
new file mode 100644
index 00000000..eae6a84c
--- /dev/null
+++ b/modules/common/abstract-nord.png.license
@@ -0,0 +1,9 @@
+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>.
diff --git a/modules/common/default.nix b/modules/common/default.nix
index 416e5a0c..ff948a0f 100644
--- a/modules/common/default.nix
+++ b/modules/common/default.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>.
 # This file contains common configuration applied to every host.
 # It should only `enable` options defined in the `modules/by-name` directory.
 {
diff --git a/modules/common/hooks/default.nix b/modules/common/hooks/default.nix
index e2d12807..5b694039 100644
--- a/modules/common/hooks/default.nix
+++ b/modules/common/hooks/default.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>.
 {
   pkgs,
   lib,
diff --git a/modules/common/hooks/scripts/sync-git-repo.sh b/modules/common/hooks/scripts/sync-git-repo.sh
index ad7368f3..fe0d0085 100755
--- a/modules/common/hooks/scripts/sync-git-repo.sh
+++ b/modules/common/hooks/scripts/sync-git-repo.sh
@@ -1,5 +1,15 @@
 #!/usr/bin/env sh
 
+# 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>.
+
 task_data="$(task _get rc.data.location)"
 [ "$task_data" ] || die "Taskwarrior should have a location set"
 
diff --git a/modules/common/projects.json.license b/modules/common/projects.json.license
new file mode 100644
index 00000000..eae6a84c
--- /dev/null
+++ b/modules/common/projects.json.license
@@ -0,0 +1,9 @@
+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>.