moby: fix to preserve browser cache across boots

hosts/common/users.nix

@@ -99,10 +99,11 @@ in
       # TODO: move this to ~/private!
       ".local/share/keyrings"
     ];
-    sane.impermanence.dirs.home.cryptClearOnBoot = [
+    # TODO: fix this ugly solution that allows moby to have firefox cache not erased every boot.
+    sane.impermanence.dirs.home.cryptClearOnBoot = lib.mkIf (config.networking.hostName != "moby") [
       # cache is probably too big to fit on the tmpfs
       # ".cache"
-      ".cache/mozilla"
+      config.sane.web-browser.cacheDir
     ];
 
     # convenience

hosts/moby/default.nix

@@ -26,6 +26,7 @@
   # usability compromises
   sane.impermanence.dirs.home.private = [
     config.sane.web-browser.dotDir
+    config.sane.web-browser.cacheDir
   ];
   sane.impermanence.dirs.home.plaintext = [
     ".config/pulse"  # persist pulseaudio volume

modules/home-manager/firefox.nix

@@ -19,12 +19,14 @@ let
     # });
     libName = "librewolf";
     dotDir = ".librewolf";
+    cacheDir = ".cache/librewolf";  # TODO: is it?
     desktop = "librewolf.desktop";
   };
   firefoxSettings = {
     browser = pkgs.firefox-esr-unwrapped;
     libName = "firefox";
     dotDir = ".mozilla/firefox";
+    cacheDir = ".cache/mozilla";
     desktop = "firefox.desktop";
   };
   defaultSettings = firefoxSettings;