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

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

8 files changed, 76 insertions, 0 deletions

diff --git a/pkgs/by-name/mp/mpp-beetrm/mpp-beetrm.sh b/pkgs/by-name/mp/mpp-beetrm/mpp-beetrm.sh
index 5a94662b..83784743 100755
--- a/pkgs/by-name/mp/mpp-beetrm/mpp-beetrm.sh
+++ b/pkgs/by-name/mp/mpp-beetrm/mpp-beetrm.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>.
+
 beet remove --delete \
     title:"$(mpc --format '%title%' current)" \
     album:"$(mpc --format '%album%' current)"
diff --git a/pkgs/by-name/mp/mpp-beetrm/package.nix b/pkgs/by-name/mp/mpp-beetrm/package.nix
index 425d05fd..00672838 100644
--- a/pkgs/by-name/mp/mpp-beetrm/package.nix
+++ b/pkgs/by-name/mp/mpp-beetrm/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,
   # Dependencies
diff --git a/pkgs/by-name/mp/mpp-lyrics/mpp-lyrics.sh b/pkgs/by-name/mp/mpp-lyrics/mpp-lyrics.sh
index 178eb924..e1e929b5 100755
--- a/pkgs/by-name/mp/mpp-lyrics/mpp-lyrics.sh
+++ b/pkgs/by-name/mp/mpp-lyrics/mpp-lyrics.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>.
+
 die() {
     echo "Error: $1"
     exit 1
diff --git a/pkgs/by-name/mp/mpp-lyrics/package.nix b/pkgs/by-name/mp/mpp-lyrics/package.nix
index 23979c14..0b6d8993 100644
--- a/pkgs/by-name/mp/mpp-lyrics/package.nix
+++ b/pkgs/by-name/mp/mpp-lyrics/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,
   # Dependencies
diff --git a/pkgs/by-name/mp/mpp-searchadd/mpp-searchadd.sh b/pkgs/by-name/mp/mpp-searchadd/mpp-searchadd.sh
index 7195bd35..d76e73b8 100755
--- a/pkgs/by-name/mp/mpp-searchadd/mpp-searchadd.sh
+++ b/pkgs/by-name/mp/mpp-searchadd/mpp-searchadd.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>.
+
 beet list "$@" --path | while read -r track; do
     mpc add "$track"
 done
diff --git a/pkgs/by-name/mp/mpp-searchadd/package.nix b/pkgs/by-name/mp/mpp-searchadd/package.nix
index 2f9db4ca..91ff05e9 100644
--- a/pkgs/by-name/mp/mpp-searchadd/package.nix
+++ b/pkgs/by-name/mp/mpp-searchadd/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,
   # Dependencies.
diff --git a/pkgs/by-name/mp/mpp/mpp.sh b/pkgs/by-name/mp/mpp/mpp.sh
index 7941df07..1507d5cc 100755
--- a/pkgs/by-name/mp/mpp/mpp.sh
+++ b/pkgs/by-name/mp/mpp/mpp.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>.
+
 case "$1" in
 "searchadd")
     shift 1
diff --git a/pkgs/by-name/mp/mpp/package.nix b/pkgs/by-name/mp/mpp/package.nix
index 7d7e0527..0d2f6c8d 100644
--- a/pkgs/by-name/mp/mpp/package.nix
+++ b/pkgs/by-name/mp/mpp/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,
   symlinkJoin,