fix: Properly persist Straight.el dir

README.org

@@ -387,6 +387,10 @@ Run various checks on the system.
 
 - Check for available upgrades. Flake inputs, overlays, emacs packages, etc.
 
+*** TODO ~persist status~
+
+List persistent files per user, and show their mount strategy.
+
 * References
 
 Following is a subset of the many places I've learnt from.

users/crumb/programs/emacs.nix

@@ -48,7 +48,10 @@ let
     '';
   };
 in {
-  sydnix.impermanence.cache.directories = [ straightBaseDir ];
+  sydnix.impermanence.cache.directories = [
+    # Impermanence expects the path to be relative to ~.
+    (lib.removePrefix config.home.homeDirectory straightBaseDir)
+  ];
   home.packages = [ emacsWrapper ];
 
   # TODO: Make sure this is using the right package for Emacs...