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-rw-r--r--modules/by-name/lf/lf/colors.license9
-rwxr-xr-xmodules/by-name/lf/lf/commands/base.sh10
-rw-r--r--modules/by-name/lf/lf/commands/default.nix19
-rwxr-xr-xmodules/by-name/lf/lf/commands/run.sh10
-rwxr-xr-xmodules/by-name/lf/lf/commands/scripts/archive_compress.sh10
-rwxr-xr-xmodules/by-name/lf/lf/commands/scripts/archive_decompress.sh10
-rwxr-xr-xmodules/by-name/lf/lf/commands/scripts/cd_project_root.sh10
-rwxr-xr-xmodules/by-name/lf/lf/commands/scripts/chmod.sh10
-rwxr-xr-xmodules/by-name/lf/lf/commands/scripts/cow_cp.sh10
-rwxr-xr-xmodules/by-name/lf/lf/commands/scripts/dragon.sh10
-rwxr-xr-xmodules/by-name/lf/lf/commands/scripts/dragon_individual.sh10
-rwxr-xr-xmodules/by-name/lf/lf/commands/scripts/dragon_stay.sh10
-rwxr-xr-xmodules/by-name/lf/lf/commands/scripts/execute.sh10
-rwxr-xr-xmodules/by-name/lf/lf/commands/scripts/follow_link.sh10
-rwxr-xr-xmodules/by-name/lf/lf/commands/scripts/mk_directory.sh10
-rwxr-xr-xmodules/by-name/lf/lf/commands/scripts/mk_file.sh10
-rwxr-xr-xmodules/by-name/lf/lf/commands/scripts/mk_link.sh10
-rwxr-xr-xmodules/by-name/lf/lf/commands/scripts/mk_script.sh10
-rwxr-xr-xmodules/by-name/lf/lf/commands/scripts/open.sh15
-rwxr-xr-xmodules/by-name/lf/lf/commands/scripts/set_clipboard_path.sh10
-rwxr-xr-xmodules/by-name/lf/lf/commands/scripts/set_wallpaper.sh14
-rwxr-xr-xmodules/by-name/lf/lf/commands/scripts/stripspace.sh10
-rwxr-xr-xmodules/by-name/lf/lf/commands/scripts/trash.sh10
-rwxr-xr-xmodules/by-name/lf/lf/commands/scripts/trash_clear.sh10
-rwxr-xr-xmodules/by-name/lf/lf/commands/scripts/trash_restore.sh11
-rwxr-xr-xmodules/by-name/lf/lf/commands/scripts/view_file.sh10
-rw-r--r--modules/by-name/lf/lf/ctpv/default.nix50
-rw-r--r--modules/by-name/lf/lf/ctpv/helpers.sh12
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/any.sh21
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/application/archive/atool.sh13
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/application/archive/default.nix9
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/application/dll/default.nix9
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/application/dll/dll.sh17
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/application/epub/default.nix19
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/application/epub/epub.sh17
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/application/pdf/default.nix10
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/application/pdf/pdf.sh13
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/application/pgp/default.nix9
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/application/pgp/pgp.sh13
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/application/sqlite/default.nix9
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/application/sqlite/sqlite.sh13
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/application/x-bittorrent/default.nix9
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/application/x-bittorrent/torrent.sh13
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/application/x-pem-file/default.nix20
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/application/x-pem-file/pem.sh18
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/audio/audio.sh13
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/audio/default.nix10
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/default.nix18
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/font/default.nix10
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/font/font.sh13
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/image/default.nix9
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/image/image.sh13
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/image/svg+xml/default.nix9
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/image/svg+xml/svg.sh13
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/image/x-xcf/default.nix9
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/image/x-xcf/xcf.sh13
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/inode/default.nix9
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/inode/ls.sh13
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/inode/symlink.sh13
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/libreoffice.sh13
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/remove_default_previews.nix9
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/text/bat.sh13
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/text/default.nix9
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/text/diff/default.nix9
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/text/diff/delta.sh13
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/text/glow.sh13
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/text/html/default.nix13
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/text/html/elinks.sh18
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/text/json/default.nix9
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/text/json/jq.sh13
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/video/default.nix9
-rw-r--r--modules/by-name/lf/lf/ctpv/prev/video/video.sh13
-rw-r--r--modules/by-name/lf/lf/icons.license9
-rw-r--r--modules/by-name/lf/lf/keybindings/default.nix9
-rw-r--r--modules/by-name/lf/lf/module.nix18
-rw-r--r--modules/by-name/lf/lf/wrappers/default.nix4
-rw-r--r--modules/by-name/lf/lf/wrappers/ll/default.nix18
-rwxr-xr-xmodules/by-name/lf/lf/wrappers/ll/ll.sh29
-rw-r--r--modules/by-name/lf/lf/wrappers/lm/default.nix18
-rwxr-xr-xmodules/by-name/lf/lf/wrappers/lm/lm.sh28
80 files changed, 836 insertions, 188 deletions
diff --git a/modules/by-name/lf/lf/colors.license b/modules/by-name/lf/lf/colors.license
new file mode 100644
index 00000000..eae6a84c
--- /dev/null
+++ b/modules/by-name/lf/lf/colors.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/by-name/lf/lf/commands/base.sh b/modules/by-name/lf/lf/commands/base.sh
index 61b59a7b..99852c3e 100755
--- a/modules/by-name/lf/lf/commands/base.sh
+++ b/modules/by-name/lf/lf/commands/base.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>.
+
 # shellcheck disable=SC2269
 id="$id"
 
diff --git a/modules/by-name/lf/lf/commands/default.nix b/modules/by-name/lf/lf/commands/default.nix
index 0c42607b..f953834b 100644
--- a/modules/by-name/lf/lf/commands/default.nix
+++ b/modules/by-name/lf/lf/commands/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, ...}: let
   functionCall = {
     name,
@@ -116,6 +125,7 @@ in {
     dependencies = with pkgs; [
       river # for `riverctl`
       swaybg
+      procps
     ];
   };
 
@@ -124,22 +134,17 @@ in {
     dependencies = [pkgs.gnused];
   };
 
-  open = async {
-    name = "open";
-    dependencies = [pkgs.handlr-regex];
-  };
-
   trash = pipe {
     name = "trash";
     dependencies = [pkgs.trash-cli];
   };
   trash_clear = shell {
     name = "trash_clear";
-    dependencies = with pkgs; [conceal fzf gawk trashy];
+    dependencies = with pkgs; [conceal fzf gawk trashy gnused];
   };
   trash_restore = shell {
     name = "trash_restore";
-    dependencies = with pkgs; [conceal fzf gawk trashy];
+    dependencies = with pkgs; [conceal fzf gawk trashy gnused];
   };
 
   view_file = async {
diff --git a/modules/by-name/lf/lf/commands/run.sh b/modules/by-name/lf/lf/commands/run.sh
index 6a9b8cab..06106aed 100755
--- a/modules/by-name/lf/lf/commands/run.sh
+++ b/modules/by-name/lf/lf/commands/run.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>.
+
 # Run one of the commands for debugging purposes.
 
 [ "$#" -gt 1 ] || {
diff --git a/modules/by-name/lf/lf/commands/scripts/archive_compress.sh b/modules/by-name/lf/lf/commands/scripts/archive_compress.sh
index c3776a80..b42688bf 100755
--- a/modules/by-name/lf/lf/commands/scripts/archive_compress.sh
+++ b/modules/by-name/lf/lf/commands/scripts/archive_compress.sh
@@ -1,3 +1,13 @@
+# 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 shell=sh
 
 # shellcheck disable=SC2269
diff --git a/modules/by-name/lf/lf/commands/scripts/archive_decompress.sh b/modules/by-name/lf/lf/commands/scripts/archive_decompress.sh
index 08374176..11d634b1 100755
--- a/modules/by-name/lf/lf/commands/scripts/archive_decompress.sh
+++ b/modules/by-name/lf/lf/commands/scripts/archive_decompress.sh
@@ -1,3 +1,13 @@
+# 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 shell=sh
 
 # shellcheck disable=SC2269
diff --git a/modules/by-name/lf/lf/commands/scripts/cd_project_root.sh b/modules/by-name/lf/lf/commands/scripts/cd_project_root.sh
index 19100947..c2de61e6 100755
--- a/modules/by-name/lf/lf/commands/scripts/cd_project_root.sh
+++ b/modules/by-name/lf/lf/commands/scripts/cd_project_root.sh
@@ -1,3 +1,13 @@
+# 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 shell=sh
 
 # shellcheck disable=SC2269
diff --git a/modules/by-name/lf/lf/commands/scripts/chmod.sh b/modules/by-name/lf/lf/commands/scripts/chmod.sh
index 3dc5f19c..757f3c9c 100755
--- a/modules/by-name/lf/lf/commands/scripts/chmod.sh
+++ b/modules/by-name/lf/lf/commands/scripts/chmod.sh
@@ -1,3 +1,13 @@
+# 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 shell=sh
 
 # shellcheck disable=SC2269
diff --git a/modules/by-name/lf/lf/commands/scripts/cow_cp.sh b/modules/by-name/lf/lf/commands/scripts/cow_cp.sh
index 98675b9e..dbe00654 100755
--- a/modules/by-name/lf/lf/commands/scripts/cow_cp.sh
+++ b/modules/by-name/lf/lf/commands/scripts/cow_cp.sh
@@ -1,5 +1,15 @@
 #!/usr/bin/env bash
 
+# 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/modules/by-name/lf/lf/commands/scripts/dragon.sh b/modules/by-name/lf/lf/commands/scripts/dragon.sh
index 916c09ee..a4a52c72 100755
--- a/modules/by-name/lf/lf/commands/scripts/dragon.sh
+++ b/modules/by-name/lf/lf/commands/scripts/dragon.sh
@@ -1,3 +1,13 @@
+# 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 shell=sh
 
 # shellcheck disable=SC2269
diff --git a/modules/by-name/lf/lf/commands/scripts/dragon_individual.sh b/modules/by-name/lf/lf/commands/scripts/dragon_individual.sh
index c6b3b2a6..370e9753 100755
--- a/modules/by-name/lf/lf/commands/scripts/dragon_individual.sh
+++ b/modules/by-name/lf/lf/commands/scripts/dragon_individual.sh
@@ -1,3 +1,13 @@
+# 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 shell=sh
 
 # shellcheck disable=SC2269
diff --git a/modules/by-name/lf/lf/commands/scripts/dragon_stay.sh b/modules/by-name/lf/lf/commands/scripts/dragon_stay.sh
index 7296a6b9..86a19370 100755
--- a/modules/by-name/lf/lf/commands/scripts/dragon_stay.sh
+++ b/modules/by-name/lf/lf/commands/scripts/dragon_stay.sh
@@ -1,3 +1,13 @@
+# 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 shell=sh
 
 # shellcheck disable=SC2269
diff --git a/modules/by-name/lf/lf/commands/scripts/execute.sh b/modules/by-name/lf/lf/commands/scripts/execute.sh
index 1d5dc87f..ce62dfa0 100755
--- a/modules/by-name/lf/lf/commands/scripts/execute.sh
+++ b/modules/by-name/lf/lf/commands/scripts/execute.sh
@@ -1,3 +1,13 @@
+# 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 shell=sh
 
 # shellcheck disable=SC2269
diff --git a/modules/by-name/lf/lf/commands/scripts/follow_link.sh b/modules/by-name/lf/lf/commands/scripts/follow_link.sh
index 509fc2e0..71fa6825 100755
--- a/modules/by-name/lf/lf/commands/scripts/follow_link.sh
+++ b/modules/by-name/lf/lf/commands/scripts/follow_link.sh
@@ -1,3 +1,13 @@
+# 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 shell=sh
 
 # shellcheck disable=SC2269
diff --git a/modules/by-name/lf/lf/commands/scripts/mk_directory.sh b/modules/by-name/lf/lf/commands/scripts/mk_directory.sh
index 58921ccd..f3bd6d29 100755
--- a/modules/by-name/lf/lf/commands/scripts/mk_directory.sh
+++ b/modules/by-name/lf/lf/commands/scripts/mk_directory.sh
@@ -1,3 +1,13 @@
+# 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 shell=sh
 
 # shellcheck disable=SC2269
diff --git a/modules/by-name/lf/lf/commands/scripts/mk_file.sh b/modules/by-name/lf/lf/commands/scripts/mk_file.sh
index 5dafe30d..78271aaa 100755
--- a/modules/by-name/lf/lf/commands/scripts/mk_file.sh
+++ b/modules/by-name/lf/lf/commands/scripts/mk_file.sh
@@ -1,3 +1,13 @@
+# 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 shell=sh
 
 # shellcheck disable=SC2269
diff --git a/modules/by-name/lf/lf/commands/scripts/mk_link.sh b/modules/by-name/lf/lf/commands/scripts/mk_link.sh
index 40b2099d..35f49c38 100755
--- a/modules/by-name/lf/lf/commands/scripts/mk_link.sh
+++ b/modules/by-name/lf/lf/commands/scripts/mk_link.sh
@@ -1,3 +1,13 @@
+# 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 shell=sh
 
 # shellcheck disable=SC2269
diff --git a/modules/by-name/lf/lf/commands/scripts/mk_script.sh b/modules/by-name/lf/lf/commands/scripts/mk_script.sh
index bbdf6d39..a708825d 100755
--- a/modules/by-name/lf/lf/commands/scripts/mk_script.sh
+++ b/modules/by-name/lf/lf/commands/scripts/mk_script.sh
@@ -1,3 +1,13 @@
+# 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 shell=sh
 
 # shellcheck disable=SC2269
diff --git a/modules/by-name/lf/lf/commands/scripts/open.sh b/modules/by-name/lf/lf/commands/scripts/open.sh
deleted file mode 100755
index b494074f..00000000
--- a/modules/by-name/lf/lf/commands/scripts/open.sh
+++ /dev/null
@@ -1,15 +0,0 @@
-# shellcheck shell=sh
-
-# shellcheck disable=SC2269
-f="$f"
-# shellcheck disable=SC2269
-fx="$fx"
-# shellcheck disable=SC2269
-fs="$fs"
-# shellcheck disable=SC2269
-id="$id"
-
-# TODO: For some reason, `xdg-utils` tries to open firefox with it's default profile for
-# _everything_. Using `handlr-regex` sort-of solves this. <2025-04-04>
-handlr open "$f"
-# vim: ft=sh
diff --git a/modules/by-name/lf/lf/commands/scripts/set_clipboard_path.sh b/modules/by-name/lf/lf/commands/scripts/set_clipboard_path.sh
index 893452e1..f4cb5115 100755
--- a/modules/by-name/lf/lf/commands/scripts/set_clipboard_path.sh
+++ b/modules/by-name/lf/lf/commands/scripts/set_clipboard_path.sh
@@ -1,3 +1,13 @@
+# 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 shell=sh
 
 # shellcheck disable=SC2269
diff --git a/modules/by-name/lf/lf/commands/scripts/set_wallpaper.sh b/modules/by-name/lf/lf/commands/scripts/set_wallpaper.sh
index 4387cd9a..6311031e 100755
--- a/modules/by-name/lf/lf/commands/scripts/set_wallpaper.sh
+++ b/modules/by-name/lf/lf/commands/scripts/set_wallpaper.sh
@@ -1,3 +1,13 @@
+# 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 shell=sh
 
 # shellcheck disable=SC2269
@@ -9,8 +19,8 @@ fs="$fs"
 # shellcheck disable=SC2269
 id="$id"
 
-pid="$(pgrep swaybg)"
-[ -n "$pid" ] && kill "$pid"
+# Kill all previous instances
+pkill swaybg
 
 # We cannot control the available commands for river.
 # Thus we ensure that it can correctly start `swaybg`
diff --git a/modules/by-name/lf/lf/commands/scripts/stripspace.sh b/modules/by-name/lf/lf/commands/scripts/stripspace.sh
index 95f8f742..9253b6de 100755
--- a/modules/by-name/lf/lf/commands/scripts/stripspace.sh
+++ b/modules/by-name/lf/lf/commands/scripts/stripspace.sh
@@ -1,3 +1,13 @@
+# 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 shell=sh
 
 # shellcheck disable=SC2269
diff --git a/modules/by-name/lf/lf/commands/scripts/trash.sh b/modules/by-name/lf/lf/commands/scripts/trash.sh
index 958bc3f9..68b36774 100755
--- a/modules/by-name/lf/lf/commands/scripts/trash.sh
+++ b/modules/by-name/lf/lf/commands/scripts/trash.sh
@@ -1,3 +1,13 @@
+# 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 shell=sh
 
 # shellcheck disable=SC2269
diff --git a/modules/by-name/lf/lf/commands/scripts/trash_clear.sh b/modules/by-name/lf/lf/commands/scripts/trash_clear.sh
index a41dce27..597995f9 100755
--- a/modules/by-name/lf/lf/commands/scripts/trash_clear.sh
+++ b/modules/by-name/lf/lf/commands/scripts/trash_clear.sh
@@ -1,3 +1,13 @@
+# 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 shell=sh
 
 while IFS="$(printf '\n')" read -r file; do
diff --git a/modules/by-name/lf/lf/commands/scripts/trash_restore.sh b/modules/by-name/lf/lf/commands/scripts/trash_restore.sh
index 5a7624db..7b078c26 100755
--- a/modules/by-name/lf/lf/commands/scripts/trash_restore.sh
+++ b/modules/by-name/lf/lf/commands/scripts/trash_restore.sh
@@ -1,3 +1,13 @@
+# 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 shell=sh
 
 # shellcheck disable=SC2269
@@ -13,6 +23,5 @@ while IFS="$(printf '\n')" read -r file; do
     set -- "$@" "$(pwd)/$file"
 done <"$(conceal list | fzf --multi --ansi | awk '{$1="";$2=""; print $0}' | sed 's/^\s*//' | tmp)"
 
-
 [ "$#" -ne 0 ] && trash restore --match=exact "$@"
 # vim: ft=sh
diff --git a/modules/by-name/lf/lf/commands/scripts/view_file.sh b/modules/by-name/lf/lf/commands/scripts/view_file.sh
index 38e6b778..48cdd85e 100755
--- a/modules/by-name/lf/lf/commands/scripts/view_file.sh
+++ b/modules/by-name/lf/lf/commands/scripts/view_file.sh
@@ -1,3 +1,13 @@
+# 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 shell=sh
 
 # shellcheck disable=SC2269
diff --git a/modules/by-name/lf/lf/ctpv/default.nix b/modules/by-name/lf/lf/ctpv/default.nix
index 3748eca4..6f9988b9 100644
--- a/modules/by-name/lf/lf/ctpv/default.nix
+++ b/modules/by-name/lf/lf/ctpv/default.nix
@@ -1,5 +1,13 @@
+# 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>.
 {
-  sysLib,
   lib,
   config,
   pkgs,
@@ -8,15 +16,15 @@
   functionCall = {
     name,
     dependencies,
-    replacementStrings,
     scriptPath,
-    ...
+    environment,
   }:
-    sysLib.writeShellScript {
+    pkgs.writeShellApplication {
       inherit name;
-      src = scriptPath;
-      keepPath = false;
-      inherit replacementStrings dependencies;
+      text = builtins.readFile ./helpers.sh + builtins.readFile scriptPath;
+      inheritPath = false;
+      runtimeInputs = dependencies;
+      runtimeEnv = environment;
     }
     + "/bin/${name}";
 
@@ -24,8 +32,8 @@
     matches,
     priority,
     dependencies,
-    replacementStrings,
     previewer,
+    environment,
   }: let
     mkMimePath = val: let
       split = lib.strings.splitString "/" val;
@@ -49,7 +57,7 @@
       inherit
         name
         dependencies
-        replacementStrings
+        environment
         ;
       scriptPath = previewer;
     };
@@ -93,6 +101,12 @@
         };
       };
 
+      environment = lib.mkOption {
+        type = lib.types.attrsOf lib.types.str;
+        default = {};
+        description = "Environment variables to set for the script";
+      };
+
       previewer = lib.mkOption {
         type = lib.types.pathInStore;
         description = "The path to the preview script or binary";
@@ -104,13 +118,6 @@
         default = 0;
         description = "The priority to use this previewer.";
       };
-      replacementStrings = lib.mkOption {
-        type = lib.types.attrsOf (lib.types.either lib.types.str lib.types.pathInStore);
-        default = {
-          HELPERS = ./helpers.sh;
-        };
-        description = "Arbitrary strings to replace in the shell script.";
-      };
       dependencies = lib.mkOption {
         type = lib.types.listOf lib.types.package;
         default = [];
@@ -153,17 +160,6 @@ in {
 
     package = lib.mkPackageOption pkgs "ctpv-64-types" {};
 
-    # TODO: This is necessary, as the `./prev` dir is imported separately and as such
-    # cannot access the `./helpers.sh` file in it's parent directory.
-    # This separate import should ideally be removed. <2024-12-15>
-    helpers = lib.mkOption {
-      default = ./helpers.sh;
-      type = lib.types.pathInStore;
-
-      internal = true;
-      readOnly = true;
-    };
-
     previewers = lib.mkOption {
       description = ''
         The previewers to add to the config file.
diff --git a/modules/by-name/lf/lf/ctpv/helpers.sh b/modules/by-name/lf/lf/ctpv/helpers.sh
index 6dc7fee6..71524082 100644
--- a/modules/by-name/lf/lf/ctpv/helpers.sh
+++ b/modules/by-name/lf/lf/ctpv/helpers.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 disable=SC2269
 cache_f="$cache_f"
 # shellcheck disable=SC2269
@@ -59,7 +69,7 @@ preview_xxd() {
     # This has been derived mathematically.
     octet_columns=$(((2 * w - 22) / 7))
 
-    if [ -n "$CTPV_LESS_PREVIEWER" ]; then
+    if [ "${CTPV_LESS_PREVIEWER:-unset}" != "-unset" ]; then
         __base_xxd_preview "$1"
     else
         __base_xxd_preview "$1" -len "$((h * octet_columns))"
diff --git a/modules/by-name/lf/lf/ctpv/prev/any.sh b/modules/by-name/lf/lf/ctpv/prev/any.sh
index 38dfd538..01c31e2b 100644
--- a/modules/by-name/lf/lf/ctpv/prev/any.sh
+++ b/modules/by-name/lf/lf/ctpv/prev/any.sh
@@ -1,16 +1,23 @@
 #! /usr/bin/env dash
 
-# shellcheck source=/dev/null
-SHELL_LIBRARY_VERSION="2.1.2" . %SHELL_LIBRARY_PATH
+# 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 disable=SC2269
 f="$f"
 # shellcheck disable=SC2269
 w="$w"
 # shellcheck disable=SC2269
-e="$e"
+e="${e:-[missing extension]}"
 # shellcheck disable=SC2269
-m="$m"
+m="${m:-[missing mime type]}"
 # shellcheck disable=SC2269
 h="$h"
 
@@ -19,8 +26,6 @@ extension="$e"
 # shellcheck disable=SC2269
 mime="$m"
 
-. %HELPERS
-
 is_not_printable() {
     grep --text --quiet '[^[:print:]]' "$1"
 }
@@ -33,8 +38,8 @@ case "$mime" in
 *)
     echo "(ctpv did not recognize this file, with extension: '$extension' and mime: '$mime')"
 
-    directory_storage="%STORAGE_DIRECTORY/$mime"
-    mkdir --parents "$(dirname "%STORAGE_DIRECTORY/$mime")"
+    directory_storage="$STORAGE_DIRECTORY/$mime"
+    mkdir --parents "$(dirname "$STORAGE_DIRECTORY/$mime")"
 
     printf "%s -- %s\n" "$f" "$extension" >>"$directory_storage"
     ;;
diff --git a/modules/by-name/lf/lf/ctpv/prev/application/archive/atool.sh b/modules/by-name/lf/lf/ctpv/prev/application/archive/atool.sh
index 5f4baac7..2bf8a89f 100644
--- a/modules/by-name/lf/lf/ctpv/prev/application/archive/atool.sh
+++ b/modules/by-name/lf/lf/ctpv/prev/application/archive/atool.sh
@@ -1,11 +1,16 @@
 #! /usr/bin/env dash
 
-# shellcheck source=/dev/null
-SHELL_LIBRARY_VERSION="2.1.2" . %SHELL_LIBRARY_PATH
+# 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 disable=SC2269
 f="$f"
 
-. %HELPERS
-
 atool --list -- "$f"
diff --git a/modules/by-name/lf/lf/ctpv/prev/application/archive/default.nix b/modules/by-name/lf/lf/ctpv/prev/application/archive/default.nix
index febacb7d..aee5c732 100644
--- a/modules/by-name/lf/lf/ctpv/prev/application/archive/default.nix
+++ b/modules/by-name/lf/lf/ctpv/prev/application/archive/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, ...}: {
   soispha.programs.lf.ctpv.previewers = {
     atool = {
diff --git a/modules/by-name/lf/lf/ctpv/prev/application/dll/default.nix b/modules/by-name/lf/lf/ctpv/prev/application/dll/default.nix
index 00c7e389..121f419d 100644
--- a/modules/by-name/lf/lf/ctpv/prev/application/dll/default.nix
+++ b/modules/by-name/lf/lf/ctpv/prev/application/dll/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, ...}: {
   soispha.programs.lf.ctpv.previewers = {
     dll = {
diff --git a/modules/by-name/lf/lf/ctpv/prev/application/dll/dll.sh b/modules/by-name/lf/lf/ctpv/prev/application/dll/dll.sh
index 678506eb..6ec68d55 100644
--- a/modules/by-name/lf/lf/ctpv/prev/application/dll/dll.sh
+++ b/modules/by-name/lf/lf/ctpv/prev/application/dll/dll.sh
@@ -1,19 +1,24 @@
 #! /usr/bin/env dash
 
-# shellcheck source=/dev/null
-SHELL_LIBRARY_VERSION="2.1.2" . %SHELL_LIBRARY_PATH
+# 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 disable=SC2269
 f="$f"
 # shellcheck disable=SC2269
 w="$w"
 # shellcheck disable=SC2269
-e="$e"
+e="${e:-[missing extension]}"
 # shellcheck disable=SC2269
-m="$m"
+m="${m:-[missing mime type]}"
 # shellcheck disable=SC2269
 h="$h"
 
-. %HELPERS
-
 preview_xxd "$f"
diff --git a/modules/by-name/lf/lf/ctpv/prev/application/epub/default.nix b/modules/by-name/lf/lf/ctpv/prev/application/epub/default.nix
index 40510a78..d28503e2 100644
--- a/modules/by-name/lf/lf/ctpv/prev/application/epub/default.nix
+++ b/modules/by-name/lf/lf/ctpv/prev/application/epub/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, ...}: {
   soispha.programs.lf.ctpv.previewers = {
     epub = {
@@ -5,11 +14,11 @@
       matches.mime = ["application/epub+zip"];
       matches.extension = ["epub"];
       priority = 1;
-      dependencies = with pkgs; [
-        bk
-        epub-thumbnailer
-        chafa
-        gnused
+      dependencies = [
+        pkgs.bk
+        pkgs.epub-thumbnailer
+        pkgs.chafa
+        pkgs.gnused
       ];
     };
   };
diff --git a/modules/by-name/lf/lf/ctpv/prev/application/epub/epub.sh b/modules/by-name/lf/lf/ctpv/prev/application/epub/epub.sh
index 703e7dad..87c33dff 100644
--- a/modules/by-name/lf/lf/ctpv/prev/application/epub/epub.sh
+++ b/modules/by-name/lf/lf/ctpv/prev/application/epub/epub.sh
@@ -1,23 +1,28 @@
 #! /usr/bin/env dash
 
-# shellcheck source=/dev/null
-SHELL_LIBRARY_VERSION="2.1.2" . %SHELL_LIBRARY_PATH
+# 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 disable=SC2269
 f="$f"
 # shellcheck disable=SC2269
 w="$w"
 # shellcheck disable=SC2269
-e="$e"
+e="${e:-[missing extension]}"
 # shellcheck disable=SC2269
-m="$m"
+m="${m:-[missing mime type]}"
 # shellcheck disable=SC2269
 h="$h"
 # shellcheck disable=SC2269
 cache_f="$cache_f"
 
-. %HELPERS
-
 epub() {
     epub-thumbnailer "$f" "$cache_f" 20000
 }
diff --git a/modules/by-name/lf/lf/ctpv/prev/application/pdf/default.nix b/modules/by-name/lf/lf/ctpv/prev/application/pdf/default.nix
index d3061ea8..e30aab3e 100644
--- a/modules/by-name/lf/lf/ctpv/prev/application/pdf/default.nix
+++ b/modules/by-name/lf/lf/ctpv/prev/application/pdf/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, ...}: {
   soispha.programs.lf.ctpv.previewers = {
     pdf = {
@@ -8,6 +17,7 @@
         pkgs.poppler_utils # for `pdftoppm`
         pkgs.chafa
         pkgs.gnused
+        pkgs.coreutils
       ];
     };
   };
diff --git a/modules/by-name/lf/lf/ctpv/prev/application/pdf/pdf.sh b/modules/by-name/lf/lf/ctpv/prev/application/pdf/pdf.sh
index 2f807b1a..2c2e5ff9 100644
--- a/modules/by-name/lf/lf/ctpv/prev/application/pdf/pdf.sh
+++ b/modules/by-name/lf/lf/ctpv/prev/application/pdf/pdf.sh
@@ -1,15 +1,20 @@
 #! /usr/bin/env dash
 
-# shellcheck source=/dev/null
-SHELL_LIBRARY_VERSION="2.1.2" . %SHELL_LIBRARY_PATH
+# 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 disable=SC2269
 f="$f"
 # shellcheck disable=SC2269
 cache_f="$cache_f"
 
-. %HELPERS
-
 pdf() {
     pdftoppm -f 1 -l 1 \
         -scale-to-x 1920 \
diff --git a/modules/by-name/lf/lf/ctpv/prev/application/pgp/default.nix b/modules/by-name/lf/lf/ctpv/prev/application/pgp/default.nix
index 32f42783..c9001176 100644
--- a/modules/by-name/lf/lf/ctpv/prev/application/pgp/default.nix
+++ b/modules/by-name/lf/lf/ctpv/prev/application/pgp/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, ...}: {
   soispha.programs.lf.ctpv.previewers = {
     pgp = {
diff --git a/modules/by-name/lf/lf/ctpv/prev/application/pgp/pgp.sh b/modules/by-name/lf/lf/ctpv/prev/application/pgp/pgp.sh
index a4eefd96..cfe359ea 100644
--- a/modules/by-name/lf/lf/ctpv/prev/application/pgp/pgp.sh
+++ b/modules/by-name/lf/lf/ctpv/prev/application/pgp/pgp.sh
@@ -1,13 +1,18 @@
 #! /usr/bin/env dash
 
-# shellcheck source=/dev/null
-SHELL_LIBRARY_VERSION="2.1.2" . %SHELL_LIBRARY_PATH
+# 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 disable=SC2269
 f="$f"
 # shellcheck disable=SC2269
 w="$w"
 
-. %HELPERS
-
 hide_script_env sq inspect --certifications -- "$f"
diff --git a/modules/by-name/lf/lf/ctpv/prev/application/sqlite/default.nix b/modules/by-name/lf/lf/ctpv/prev/application/sqlite/default.nix
index 54b8c29e..ab200dd9 100644
--- a/modules/by-name/lf/lf/ctpv/prev/application/sqlite/default.nix
+++ b/modules/by-name/lf/lf/ctpv/prev/application/sqlite/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, ...}: {
   soispha.programs.lf.ctpv.previewers = {
     sqlite = {
diff --git a/modules/by-name/lf/lf/ctpv/prev/application/sqlite/sqlite.sh b/modules/by-name/lf/lf/ctpv/prev/application/sqlite/sqlite.sh
index 07e77a93..2d3a45fe 100644
--- a/modules/by-name/lf/lf/ctpv/prev/application/sqlite/sqlite.sh
+++ b/modules/by-name/lf/lf/ctpv/prev/application/sqlite/sqlite.sh
@@ -1,15 +1,20 @@
 #! /usr/bin/env dash
 
-# shellcheck source=/dev/null
-SHELL_LIBRARY_VERSION="2.1.2" . %SHELL_LIBRARY_PATH
+# 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 disable=SC2269
 f="$f"
 # shellcheck disable=SC2269
 w="$w"
 
-. %HELPERS
-
 echo "SQLite database. Schema:"
 echo
 
diff --git a/modules/by-name/lf/lf/ctpv/prev/application/x-bittorrent/default.nix b/modules/by-name/lf/lf/ctpv/prev/application/x-bittorrent/default.nix
index 504623a0..dfd6911b 100644
--- a/modules/by-name/lf/lf/ctpv/prev/application/x-bittorrent/default.nix
+++ b/modules/by-name/lf/lf/ctpv/prev/application/x-bittorrent/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, ...}: {
   soispha.programs.lf.ctpv.previewers = {
     torrent = {
diff --git a/modules/by-name/lf/lf/ctpv/prev/application/x-bittorrent/torrent.sh b/modules/by-name/lf/lf/ctpv/prev/application/x-bittorrent/torrent.sh
index 16cfcbcd..38838d2e 100644
--- a/modules/by-name/lf/lf/ctpv/prev/application/x-bittorrent/torrent.sh
+++ b/modules/by-name/lf/lf/ctpv/prev/application/x-bittorrent/torrent.sh
@@ -1,13 +1,18 @@
 #! /usr/bin/env dash
 
-# shellcheck source=/dev/null
-SHELL_LIBRARY_VERSION="2.1.2" . %SHELL_LIBRARY_PATH
+# 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 disable=SC2269
 f="$f"
 # shellcheck disable=SC2269
 cache_f="$cache_f"
 
-. %HELPERS
-
 transmission-show -- "$f"
diff --git a/modules/by-name/lf/lf/ctpv/prev/application/x-pem-file/default.nix b/modules/by-name/lf/lf/ctpv/prev/application/x-pem-file/default.nix
new file mode 100644
index 00000000..fb82aa8a
--- /dev/null
+++ b/modules/by-name/lf/lf/ctpv/prev/application/x-pem-file/default.nix
@@ -0,0 +1,20 @@
+# nixos-config - My current NixOS configuration
+#
+# Copyright (C) 2025 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
+# This file is part of my nixos-config.
+#
+# You should have received a copy of the License along with this program.
+# If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+{pkgs, ...}: {
+  soispha.programs.lf.ctpv.previewers = {
+    pem = {
+      previewer = ./pem.sh;
+      matches.mime = ["application/x-pem-file"];
+      dependencies = [
+        pkgs.openssl
+      ];
+    };
+  };
+}
diff --git a/modules/by-name/lf/lf/ctpv/prev/application/x-pem-file/pem.sh b/modules/by-name/lf/lf/ctpv/prev/application/x-pem-file/pem.sh
new file mode 100644
index 00000000..2948e25a
--- /dev/null
+++ b/modules/by-name/lf/lf/ctpv/prev/application/x-pem-file/pem.sh
@@ -0,0 +1,18 @@
+#! /usr/bin/env dash
+
+# nixos-config - My current NixOS configuration
+#
+# Copyright (C) 2025 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
+# This file is part of my nixos-config.
+#
+# You should have received a copy of the License along with this program.
+# If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
+# shellcheck disable=SC2269
+f="$f"
+# shellcheck disable=SC2269
+cache_f="$cache_f"
+
+openssl x509 -in "$f" -text -noout
diff --git a/modules/by-name/lf/lf/ctpv/prev/audio/audio.sh b/modules/by-name/lf/lf/ctpv/prev/audio/audio.sh
index c5abc646..324a2170 100644
--- a/modules/by-name/lf/lf/ctpv/prev/audio/audio.sh
+++ b/modules/by-name/lf/lf/ctpv/prev/audio/audio.sh
@@ -1,15 +1,20 @@
 #! /usr/bin/env dash
 
-# shellcheck source=/dev/null
-SHELL_LIBRARY_VERSION="2.1.2" . %SHELL_LIBRARY_PATH
+# 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 disable=SC2269
 f="$f"
 # shellcheck disable=SC2269
 cache_f="$cache_f"
 
-. %HELPERS
-
 audio() {
     ffmpegthumbnailer -i "$f" -s 0 -q 5 -t 10 -o "$cache_f" 2>/dev/null
 }
diff --git a/modules/by-name/lf/lf/ctpv/prev/audio/default.nix b/modules/by-name/lf/lf/ctpv/prev/audio/default.nix
index 0c60e9d5..7ae5d7fd 100644
--- a/modules/by-name/lf/lf/ctpv/prev/audio/default.nix
+++ b/modules/by-name/lf/lf/ctpv/prev/audio/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, ...}: {
   soispha.programs.lf.ctpv.previewers = {
     audio = {
@@ -9,6 +18,7 @@
 
         pkgs.chafa
         pkgs.gnused
+        pkgs.coreutils
       ];
     };
   };
diff --git a/modules/by-name/lf/lf/ctpv/prev/default.nix b/modules/by-name/lf/lf/ctpv/prev/default.nix
index b59430f8..d7e420d0 100644
--- a/modules/by-name/lf/lf/ctpv/prev/default.nix
+++ b/modules/by-name/lf/lf/ctpv/prev/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,
   config,
@@ -10,18 +19,15 @@ in {
       previewer = ./any.sh;
       priority = -1;
       matches.mime = ["*/*"];
-      replacementStrings = {
-        # FIXME: This declaration replaces the default (although it should be merged with
-        # the default value.) There must be a way, so that repeating the default values is
-        # not needed. <2024-12-15>
-        HELPERS = cfg.ctpv.helpers;
-
+      environment = {
         STORAGE_DIRECTORY = "${cfg.ctpv.xdgDataHome}/ctpv/missing_previews";
       };
 
       dependencies = [
         pkgs.tinyxxd # For xxd
         pkgs.bat
+        pkgs.gnugrep
+        pkgs.coreutils
       ];
     };
   };
diff --git a/modules/by-name/lf/lf/ctpv/prev/font/default.nix b/modules/by-name/lf/lf/ctpv/prev/font/default.nix
index 306e7892..76a284f4 100644
--- a/modules/by-name/lf/lf/ctpv/prev/font/default.nix
+++ b/modules/by-name/lf/lf/ctpv/prev/font/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, ...}: {
   soispha.programs.lf.ctpv.previewers = {
     font = {
@@ -13,6 +22,7 @@
         pkgs.fontforge # for `fontimage`
         pkgs.chafa
         pkgs.gnused
+        pkgs.coreutils
       ];
     };
   };
diff --git a/modules/by-name/lf/lf/ctpv/prev/font/font.sh b/modules/by-name/lf/lf/ctpv/prev/font/font.sh
index 4065557e..49e12ec7 100644
--- a/modules/by-name/lf/lf/ctpv/prev/font/font.sh
+++ b/modules/by-name/lf/lf/ctpv/prev/font/font.sh
@@ -1,15 +1,20 @@
 #! /usr/bin/env dash
 
-# shellcheck source=/dev/null
-SHELL_LIBRARY_VERSION="2.1.2" . %SHELL_LIBRARY_PATH
+# 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 disable=SC2269
 f="$f"
 # shellcheck disable=SC2269
 cache_f="$cache_f"
 
-. %HELPERS
-
 font() {
     fontimage -o "$cache_f.png" "$f" 2>/dev/null &&
         mv -- "$cache_f.png" "$cache_f"
diff --git a/modules/by-name/lf/lf/ctpv/prev/image/default.nix b/modules/by-name/lf/lf/ctpv/prev/image/default.nix
index 87fba00c..79037d5a 100644
--- a/modules/by-name/lf/lf/ctpv/prev/image/default.nix
+++ b/modules/by-name/lf/lf/ctpv/prev/image/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, ...}: {
   soispha.programs.lf.ctpv.previewers = {
     image = {
diff --git a/modules/by-name/lf/lf/ctpv/prev/image/image.sh b/modules/by-name/lf/lf/ctpv/prev/image/image.sh
index b5b97668..d021cbf6 100644
--- a/modules/by-name/lf/lf/ctpv/prev/image/image.sh
+++ b/modules/by-name/lf/lf/ctpv/prev/image/image.sh
@@ -1,11 +1,16 @@
 #! /usr/bin/env dash
 
-# shellcheck source=/dev/null
-SHELL_LIBRARY_VERSION="2.1.2" . %SHELL_LIBRARY_PATH
+# 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 disable=SC2269
 f="$f"
 
-. %HELPERS
-
 send_image "$f"
diff --git a/modules/by-name/lf/lf/ctpv/prev/image/svg+xml/default.nix b/modules/by-name/lf/lf/ctpv/prev/image/svg+xml/default.nix
index 90915c84..25bd6f77 100644
--- a/modules/by-name/lf/lf/ctpv/prev/image/svg+xml/default.nix
+++ b/modules/by-name/lf/lf/ctpv/prev/image/svg+xml/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, ...}: {
   soispha.programs.lf.ctpv.previewers = {
     svg = {
diff --git a/modules/by-name/lf/lf/ctpv/prev/image/svg+xml/svg.sh b/modules/by-name/lf/lf/ctpv/prev/image/svg+xml/svg.sh
index 04a06f56..b16e4fc5 100644
--- a/modules/by-name/lf/lf/ctpv/prev/image/svg+xml/svg.sh
+++ b/modules/by-name/lf/lf/ctpv/prev/image/svg+xml/svg.sh
@@ -1,15 +1,20 @@
 #! /usr/bin/env dash
 
-# shellcheck source=/dev/null
-SHELL_LIBRARY_VERSION="2.1.2" . %SHELL_LIBRARY_PATH
+# 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 disable=SC2269
 f="$f"
 # shellcheck disable=SC2269
 cache_f="$cache_f"
 
-. %HELPERS
-
 svg() {
     magick "$f" "jpg:$cache_f"
 }
diff --git a/modules/by-name/lf/lf/ctpv/prev/image/x-xcf/default.nix b/modules/by-name/lf/lf/ctpv/prev/image/x-xcf/default.nix
index a3394ef4..5af6c501 100644
--- a/modules/by-name/lf/lf/ctpv/prev/image/x-xcf/default.nix
+++ b/modules/by-name/lf/lf/ctpv/prev/image/x-xcf/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, ...}: {
   soispha.programs.lf.ctpv.previewers = {
     xcf = {
diff --git a/modules/by-name/lf/lf/ctpv/prev/image/x-xcf/xcf.sh b/modules/by-name/lf/lf/ctpv/prev/image/x-xcf/xcf.sh
index 1603e337..4ad4b34b 100644
--- a/modules/by-name/lf/lf/ctpv/prev/image/x-xcf/xcf.sh
+++ b/modules/by-name/lf/lf/ctpv/prev/image/x-xcf/xcf.sh
@@ -1,15 +1,20 @@
 #! /usr/bin/env dash
 
-# shellcheck source=/dev/null
-SHELL_LIBRARY_VERSION="2.1.2" . %SHELL_LIBRARY_PATH
+# 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 disable=SC2269
 f="$f"
 # shellcheck disable=SC2269
 cache_f="$cache_f"
 
-. %HELPERS
-
 xcf() {
     # TODO: Add this (currently it fails, as gimp lacks the `python-fu` evaluator) <2024-11-25>
     true
diff --git a/modules/by-name/lf/lf/ctpv/prev/inode/default.nix b/modules/by-name/lf/lf/ctpv/prev/inode/default.nix
index eaade0f1..fe5ee3e1 100644
--- a/modules/by-name/lf/lf/ctpv/prev/inode/default.nix
+++ b/modules/by-name/lf/lf/ctpv/prev/inode/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, ...}: {
   soispha.programs.lf.ctpv.previewers = {
     ls = {
diff --git a/modules/by-name/lf/lf/ctpv/prev/inode/ls.sh b/modules/by-name/lf/lf/ctpv/prev/inode/ls.sh
index f73bd1c2..73e036eb 100644
--- a/modules/by-name/lf/lf/ctpv/prev/inode/ls.sh
+++ b/modules/by-name/lf/lf/ctpv/prev/inode/ls.sh
@@ -1,7 +1,14 @@
 #! /usr/bin/env dash
 
-# shellcheck source=/dev/null
-SHELL_LIBRARY_VERSION="2.1.2" . %SHELL_LIBRARY_PATH
+# 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 disable=SC2269
 f="$f"
@@ -10,6 +17,4 @@ cache_d="$cache_d"
 # shellcheck disable=SC2269
 cache_f="$cache_f"
 
-. %HELPERS
-
 ls --color --group-directories-first -- "$f"
diff --git a/modules/by-name/lf/lf/ctpv/prev/inode/symlink.sh b/modules/by-name/lf/lf/ctpv/prev/inode/symlink.sh
index b30957d0..2629f62a 100644
--- a/modules/by-name/lf/lf/ctpv/prev/inode/symlink.sh
+++ b/modules/by-name/lf/lf/ctpv/prev/inode/symlink.sh
@@ -1,13 +1,18 @@
 #! /usr/bin/env dash
 
-# shellcheck source=/dev/null
-SHELL_LIBRARY_VERSION="2.1.2" . %SHELL_LIBRARY_PATH
+# 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 disable=SC2269
 f="$f"
 
-. %HELPERS
-
 #
 # do nothing because in src/ctpv.c some kind of a "preview"
 # is already printed
diff --git a/modules/by-name/lf/lf/ctpv/prev/libreoffice.sh b/modules/by-name/lf/lf/ctpv/prev/libreoffice.sh
index ec57da0b..ade1038e 100644
--- a/modules/by-name/lf/lf/ctpv/prev/libreoffice.sh
+++ b/modules/by-name/lf/lf/ctpv/prev/libreoffice.sh
@@ -1,7 +1,14 @@
 #! /usr/bin/env dash
 
-# shellcheck source=/dev/null
-SHELL_LIBRARY_VERSION="2.1.2" . %SHELL_LIBRARY_PATH
+# 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 disable=SC2269
 f="$f"
@@ -10,8 +17,6 @@ cache_d="$cache_d"
 # shellcheck disable=SC2269
 cache_f="$cache_f"
 
-. %HELPERS
-
 doc() {
     # File produced by libreoffice
     jpg="$(printf '%s\n' "$f" | sed 's|^.*/||; s|\..*$||')"
diff --git a/modules/by-name/lf/lf/ctpv/prev/remove_default_previews.nix b/modules/by-name/lf/lf/ctpv/prev/remove_default_previews.nix
index 1407386b..6614fa8d 100644
--- a/modules/by-name/lf/lf/ctpv/prev/remove_default_previews.nix
+++ b/modules/by-name/lf/lf/ctpv/prev/remove_default_previews.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>.
 {...}: {
   soispha.programs.lf.ctpv.extraConfigPre = ''
     remove any
diff --git a/modules/by-name/lf/lf/ctpv/prev/text/bat.sh b/modules/by-name/lf/lf/ctpv/prev/text/bat.sh
index be952aea..b20e9cea 100644
--- a/modules/by-name/lf/lf/ctpv/prev/text/bat.sh
+++ b/modules/by-name/lf/lf/ctpv/prev/text/bat.sh
@@ -1,13 +1,18 @@
 #! /usr/bin/env dash
 
-# shellcheck source=/dev/null
-SHELL_LIBRARY_VERSION="2.1.2" . %SHELL_LIBRARY_PATH
+# 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 disable=SC2269
 f="$f"
 # shellcheck disable=SC2269
 w="$w"
 
-. %HELPERS
-
 preview_bat "$f"
diff --git a/modules/by-name/lf/lf/ctpv/prev/text/default.nix b/modules/by-name/lf/lf/ctpv/prev/text/default.nix
index 14e74a4d..edb6e09d 100644
--- a/modules/by-name/lf/lf/ctpv/prev/text/default.nix
+++ b/modules/by-name/lf/lf/ctpv/prev/text/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, ...}: {
   soispha.programs.lf.ctpv.previewers = {
     glow = {
diff --git a/modules/by-name/lf/lf/ctpv/prev/text/diff/default.nix b/modules/by-name/lf/lf/ctpv/prev/text/diff/default.nix
index e0fa15bb..f21acd5e 100644
--- a/modules/by-name/lf/lf/ctpv/prev/text/diff/default.nix
+++ b/modules/by-name/lf/lf/ctpv/prev/text/diff/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, ...}: {
   soispha.programs.lf.ctpv.previewers = {
     delta = {
diff --git a/modules/by-name/lf/lf/ctpv/prev/text/diff/delta.sh b/modules/by-name/lf/lf/ctpv/prev/text/diff/delta.sh
index 6a4e9a4e..d30565df 100644
--- a/modules/by-name/lf/lf/ctpv/prev/text/diff/delta.sh
+++ b/modules/by-name/lf/lf/ctpv/prev/text/diff/delta.sh
@@ -1,11 +1,16 @@
 #! /usr/bin/env dash
 
-# shellcheck source=/dev/null
-SHELL_LIBRARY_VERSION="2.1.2" . %SHELL_LIBRARY_PATH
+# 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 disable=SC2269
 f="$f"
 
-. %HELPERS
-
 delta <"$f"
diff --git a/modules/by-name/lf/lf/ctpv/prev/text/glow.sh b/modules/by-name/lf/lf/ctpv/prev/text/glow.sh
index 301fe675..2e8d9f58 100644
--- a/modules/by-name/lf/lf/ctpv/prev/text/glow.sh
+++ b/modules/by-name/lf/lf/ctpv/prev/text/glow.sh
@@ -1,15 +1,20 @@
 #! /usr/bin/env dash
 
-# shellcheck source=/dev/null
-SHELL_LIBRARY_VERSION="2.1.2" . %SHELL_LIBRARY_PATH
+# 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 disable=SC2269
 f="$f"
 # shellcheck disable=SC2269
 w="$w"
 
-. %HELPERS
-
 # Specify the style, to force `glow` to output colors.
 # tracking issue: https://github.com/charmbracelet/glow/issues/654
 # We can't use `hide_script_env` because of some bespoke reason. (It just forces glow to
diff --git a/modules/by-name/lf/lf/ctpv/prev/text/html/default.nix b/modules/by-name/lf/lf/ctpv/prev/text/html/default.nix
deleted file mode 100644
index 2a7a9a9f..00000000
--- a/modules/by-name/lf/lf/ctpv/prev/text/html/default.nix
+++ /dev/null
@@ -1,13 +0,0 @@
-{pkgs, ...}: {
-  # TODO: I might want to use lynx/w3m instead <2024-11-24>
-  soispha.programs.lf.ctpv.previewers = {
-    elinks = {
-      previewer = ./elinks.sh;
-      priority = 1;
-      matches.mime = ["text/html"];
-      dependencies = [
-        pkgs.elinks
-      ];
-    };
-  };
-}
diff --git a/modules/by-name/lf/lf/ctpv/prev/text/html/elinks.sh b/modules/by-name/lf/lf/ctpv/prev/text/html/elinks.sh
deleted file mode 100644
index ca0de22e..00000000
--- a/modules/by-name/lf/lf/ctpv/prev/text/html/elinks.sh
+++ /dev/null
@@ -1,18 +0,0 @@
-#! /usr/bin/env dash
-
-# shellcheck source=/dev/null
-SHELL_LIBRARY_VERSION="2.1.2" . %SHELL_LIBRARY_PATH
-
-# shellcheck disable=SC2269
-f="$f"
-# shellcheck disable=SC2269
-w="$w"
-
-. %HELPERS
-
-elinks \
-    -dump 1 -dump-width "$w" \
-    -no-references -no-numbering <"$f"
-
-# lynx -dump -nonumbers -nolist -width="$w" -- "$f"
-# w3m -dump "$f"
diff --git a/modules/by-name/lf/lf/ctpv/prev/text/json/default.nix b/modules/by-name/lf/lf/ctpv/prev/text/json/default.nix
index 7e2ef090..9538c365 100644
--- a/modules/by-name/lf/lf/ctpv/prev/text/json/default.nix
+++ b/modules/by-name/lf/lf/ctpv/prev/text/json/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, ...}: {
   soispha.programs.lf.ctpv.previewers = {
     jq = {
diff --git a/modules/by-name/lf/lf/ctpv/prev/text/json/jq.sh b/modules/by-name/lf/lf/ctpv/prev/text/json/jq.sh
index bf807d1d..fa7c47b6 100644
--- a/modules/by-name/lf/lf/ctpv/prev/text/json/jq.sh
+++ b/modules/by-name/lf/lf/ctpv/prev/text/json/jq.sh
@@ -1,11 +1,16 @@
 #! /usr/bin/env dash
 
-# shellcheck source=/dev/null
-SHELL_LIBRARY_VERSION="2.1.2" . %SHELL_LIBRARY_PATH
+# 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 disable=SC2269
 f="$f"
 
-. %HELPERS
-
 jq --color-output . <"$f"
diff --git a/modules/by-name/lf/lf/ctpv/prev/video/default.nix b/modules/by-name/lf/lf/ctpv/prev/video/default.nix
index f38f61c7..d500fbd9 100644
--- a/modules/by-name/lf/lf/ctpv/prev/video/default.nix
+++ b/modules/by-name/lf/lf/ctpv/prev/video/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, ...}: {
   soispha.programs.lf.ctpv.previewers = {
     video = {
diff --git a/modules/by-name/lf/lf/ctpv/prev/video/video.sh b/modules/by-name/lf/lf/ctpv/prev/video/video.sh
index e42e3612..dac75205 100644
--- a/modules/by-name/lf/lf/ctpv/prev/video/video.sh
+++ b/modules/by-name/lf/lf/ctpv/prev/video/video.sh
@@ -1,15 +1,20 @@
 #! /usr/bin/env dash
 
-# shellcheck source=/dev/null
-SHELL_LIBRARY_VERSION="2.1.2" . %SHELL_LIBRARY_PATH
+# 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 disable=SC2269
 f="$f"
 # shellcheck disable=SC2269
 cache_f="$cache_f"
 
-. %HELPERS
-
 video() {
     ffmpegthumbnailer -i "$f" -o "$cache_f" -s 0 -t 50% 2>/dev/null
 }
diff --git a/modules/by-name/lf/lf/icons.license b/modules/by-name/lf/lf/icons.license
new file mode 100644
index 00000000..eae6a84c
--- /dev/null
+++ b/modules/by-name/lf/lf/icons.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/by-name/lf/lf/keybindings/default.nix b/modules/by-name/lf/lf/keybindings/default.nix
index c5d6427d..d4c2a6a3 100644
--- a/modules/by-name/lf/lf/keybindings/default.nix
+++ b/modules/by-name/lf/lf/keybindings/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>.
 {
   uid,
   downloadDir,
diff --git a/modules/by-name/lf/lf/module.nix b/modules/by-name/lf/lf/module.nix
index 6dc8e919..ea9970ef 100644
--- a/modules/by-name/lf/lf/module.nix
+++ b/modules/by-name/lf/lf/module.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,
   config,
@@ -10,6 +19,8 @@
   commands = import ./commands {inherit pkgs sysLib shell_library system;};
   keybindings = import ./keybindings {inherit (cfg.keymaps) uid downloadDir;};
 
+  packages = import ./wrappers {inherit pkgs;};
+
   cfg = config.soispha.programs.lf;
 in {
   imports = [
@@ -49,6 +60,11 @@ in {
         "lf/colors".source = ./colors;
       };
 
+      programs.zsh.shellAliases = {
+        ll = ". ${lib.getExe packages.ll}";
+        lm = ". ${lib.getExe packages.lm}";
+      };
+
       programs.lf = {
         enable = true;
 
@@ -75,7 +91,7 @@ in {
           icons = true;
           ifs = "\\n"; # internal field separator for shell commands
           #info = "size"; # show the size of a directory
-          shell = "sh";
+          shell = "${lib.getExe pkgs.dash}";
           shellopts = "-eu"; # e: exit on error; u: error for unset variables
         };
         extraConfig = ''
diff --git a/modules/by-name/lf/lf/wrappers/default.nix b/modules/by-name/lf/lf/wrappers/default.nix
new file mode 100644
index 00000000..7257a66e
--- /dev/null
+++ b/modules/by-name/lf/lf/wrappers/default.nix
@@ -0,0 +1,4 @@
+{pkgs}: {
+  ll = pkgs.callPackage ./ll {};
+  lm = pkgs.callPackage ./lm {};
+}
diff --git a/modules/by-name/lf/lf/wrappers/ll/default.nix b/modules/by-name/lf/lf/wrappers/ll/default.nix
new file mode 100644
index 00000000..6e4ee336
--- /dev/null
+++ b/modules/by-name/lf/lf/wrappers/ll/default.nix
@@ -0,0 +1,18 @@
+# nixos-config - My current NixOS configuration
+#
+# Copyright (C) 2025 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
+# This file is part of my nixos-config.
+#
+# You should have received a copy of the License along with this program.
+# If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+{writeShellApplication}:
+writeShellApplication {
+  name = "ll";
+  text = builtins.readFile ./ll.sh;
+
+  # This is sourced in the shell
+  inheritPath = true;
+  bashOptions = [];
+}
diff --git a/modules/by-name/lf/lf/wrappers/ll/ll.sh b/modules/by-name/lf/lf/wrappers/ll/ll.sh
new file mode 100755
index 00000000..e012cffa
--- /dev/null
+++ b/modules/by-name/lf/lf/wrappers/ll/ll.sh
@@ -0,0 +1,29 @@
+#!/usr/bin/env dash
+
+# nixos-config - My current NixOS configuration
+#
+# Copyright (C) 2025 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
+# This file is part of my nixos-config.
+#
+# You should have received a copy of the License along with this program.
+# If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
+last_directory="$(mktemp)"
+cleanup() {
+    rm "$last_directory"
+}
+trap cleanup EXIT
+
+command lf -last-dir-path="$last_directory" "$@"
+
+dir="$(cat "$last_directory")"
+if cd "$dir"; then
+    [ -d "$XDG_RUNTIME_DIR/ll" ] || mkdir "$XDG_RUNTIME_DIR/ll"
+    echo "$dir" >"$XDG_RUNTIME_DIR/ll/last_directory"
+else
+    die "$dir does not exist!"
+fi
+
+# vim: ft=sh
diff --git a/modules/by-name/lf/lf/wrappers/lm/default.nix b/modules/by-name/lf/lf/wrappers/lm/default.nix
new file mode 100644
index 00000000..42bdc687
--- /dev/null
+++ b/modules/by-name/lf/lf/wrappers/lm/default.nix
@@ -0,0 +1,18 @@
+# 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}:
+writeShellApplication {
+  name = "lm";
+  text = builtins.readFile ./lm.sh;
+
+  # This is sourced in the shell
+  inheritPath = true;
+  bashOptions = [];
+}
diff --git a/modules/by-name/lf/lf/wrappers/lm/lm.sh b/modules/by-name/lf/lf/wrappers/lm/lm.sh
new file mode 100755
index 00000000..71213721
--- /dev/null
+++ b/modules/by-name/lf/lf/wrappers/lm/lm.sh
@@ -0,0 +1,28 @@
+#!/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
+}
+
+msg() {
+    echo "$1"
+}
+
+if [ -f "$XDG_RUNTIME_DIR/ll/last_directory" ]; then
+    last_dir="$(cat "$XDG_RUNTIME_DIR/ll/last_directory")"
+    cd "$last_dir" || die "$last_dir does not exist!"
+else
+    msg "No last directory saved (try using ll instead)."
+fi
+# vim: ft=sh