preserve the fish history

modules/environment/user-impermanence.nix

@@ -14,6 +14,13 @@ with lib; {
   };
 
   config = mkIf config.environment.impermanence.enable {
+    home-manager.users = listToAttrs (map (name: {
+        inherit name;
+        value.home.persistence.default = {
+          persistentStoragePath = "/persistent/home/${name}";
+        };
+      })
+      config.environment.impermanence.users);
     systemd.services = listToAttrs (flatten (map (name: let
         cfg = config.users.users.${name};
       in [

programs/shell/fish/home-manager.nix

@@ -1,3 +1,6 @@
 {...}: {
   programs.fish.enable = true;
+  home.persistence.default.files = [
+    ".local/share/fish/fish_history"
+  ];
 }

users/root/default.nix

@@ -10,12 +10,5 @@
     neededForUsers = true;
     sopsFile = ./password.yaml;
   };
-  home-manager.users.root = {config, ...}: {
-    home.persistence."/persistent/${config.home.username}" = {
-      files = [
-        ".bash_history"
-      ];
-    };
-  };
   environment.impermanence.users = ["root"];
 }