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

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

6 files changed, 59 insertions, 0 deletions

diff --git a/bootstrap/01_activate.sh b/bootstrap/01_activate.sh
index 72d947c5..832fe669 100755
--- a/bootstrap/01_activate.sh
+++ b/bootstrap/01_activate.sh
@@ -1,5 +1,15 @@
 #! /usr/bin/env dash
 
+# 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>.
+
 # shellcheck source=/dev/null
 SHELL_LIBRARY_VERSION="2.1.2" . %SHELL_LIBRARY_PATH
 
diff --git a/bootstrap/01_install.sh b/bootstrap/01_install.sh
index 25122568..3e33866a 100755
--- a/bootstrap/01_install.sh
+++ b/bootstrap/01_install.sh
@@ -1,5 +1,15 @@
 #! /usr/bin/env dash
 
+# 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>.
+
 # shellcheck source=/dev/null
 SHELL_LIBRARY_VERSION="2.1.2" . %SHELL_LIBRARY_PATH
 
diff --git a/bootstrap/02_setup.sh b/bootstrap/02_setup.sh
index e68b9a90..5d811030 100755
--- a/bootstrap/02_setup.sh
+++ b/bootstrap/02_setup.sh
@@ -1,5 +1,15 @@
 #! /usr/bin/env dash
 
+# 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>.
+
 # shellcheck source=/dev/null
 SHELL_LIBRARY_VERSION="2.1.2" . %SHELL_LIBRARY_PATH
 
diff --git a/bootstrap/03_config_setup.sh b/bootstrap/03_config_setup.sh
index 349e8ebc..872d1fe1 100755
--- a/bootstrap/03_config_setup.sh
+++ b/bootstrap/03_config_setup.sh
@@ -1,5 +1,15 @@
 #! /usr/bin/env dash
 
+# 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>.
+
 # shellcheck source=/dev/null
 SHELL_LIBRARY_VERSION="2.1.2" . %SHELL_LIBRARY_PATH
 
diff --git a/bootstrap/99_ensure_config_variables.sh b/bootstrap/99_ensure_config_variables.sh
index f0380f6b..12d9ce8f 100755
--- a/bootstrap/99_ensure_config_variables.sh
+++ b/bootstrap/99_ensure_config_variables.sh
@@ -1,5 +1,15 @@
 #! /usr/bin/env dash
 
+# 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>.
+
 # shellcheck source=/dev/null
 SHELL_LIBRARY_VERSION="2.1.2" . %SHELL_LIBRARY_PATH
 
diff --git a/bootstrap/default.nix b/bootstrap/default.nix
index c47df9da..a5492290 100644
--- a/bootstrap/default.nix
+++ b/bootstrap/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,
   sysLib,