messy code deserves a one-liner doc

README.md

@@ -2,23 +2,30 @@
 
 ## Goals
 
-- [ ] Learn nix
-- [ ] Services I want to separate from my kubernetes cluster I will use Nix.
-- [ ] Approval-based update automation for flakes.
-- [ ] Expand usage to other shell environments such as WSL, etc
-- [ ] keep it simple, use trusted boring tools
+-   [ ] Learn nix
+-   [ ] Services I want to separate from my kubernetes cluster I will use Nix.
+-   [ ] Approval-based update automation for flakes.
+-   [ ] Expand usage to other shell environments such as WSL, etc
+-   [ ] keep it simple, use trusted boring tools
 
 ## TODO
 
-- [x] Forgejo Actions
-- [ ] Bring over hosts
-  - [x] Varda (forgejo)
-  - [x] Thinkpad T470
-  - [x] Legion 15 AMD/Nvidia
-  - [x] Telperion (network services)
-  - [ ] Gandalf (NixNAS)
+-   [x] Forgejo Actions
+-   [ ] Bring over hosts
+    -   [x] Varda (forgejo)
+    -   [x] Thinkpad T470
+    -   [x] Legion 15 AMD/Nvidia
+    -   [x] Telperion (network services)
+    -   [ ] Gandalf (NixNAS)
 
 ## Links & References
 
-- [truxnell/dotfiles](https://github.com//truxnell/nix-config/)
-- [billimek/dotfiles](https://github.com/billimek/dotfiles/)
+-   [truxnell/dotfiles](https://github.com//truxnell/nix-config/)
+-   [billimek/dotfiles](https://github.com/billimek/dotfiles/)
+
+## Upgrading the borgmatic template for reference
+
+```sh
+borgmatic config generate --source nixos/hosts/shadowfax/config/borgmatic/borgmatic-template.yaml --destination nixos/hosts/shadowfax/config/borgmatic/borgmatic-t
+emplate.yaml  --overwrite
+```

nixos/hosts/shadowfax/config/borgmatic/default.nix

@@ -1,8 +1,10 @@
-{ lib, ... }:
+{lib, ...}:
+# Includes all files with .nix suffix in the current directory except default.nix
 let
   dir = ./.;
-  files = lib.filterAttrs (name: type:
-    type == "regular" && name != "default.nix" && lib.hasSuffix ".nix" name
+  files = lib.filterAttrs (
+    name: type:
+      type == "regular" && name != "default.nix" && lib.hasSuffix ".nix" name
   ) (builtins.readDir dir);
   imports = map (name: "${dir}/${name}") (builtins.attrNames files);
 in {