inital steps into sops-nix. figured out ssh pubkey management.

lib/default.nix

@@ -0,0 +1,12 @@
+{lib}: {
+  dirToStrings = dir: (map (v: builtins.readFile "${dir}/${v}")
+    (builtins.filter (v:
+      (builtins.readFileType "${dir}/${v}") == "regular") (
+      if (builtins.pathExists dir && (builtins.readFileType dir) == "directory")
+      then
+        builtins.attrNames (
+          builtins.readDir dir
+        )
+      else []
+    )));
+}