From 7b87de4700dfa797e606c8a63f0e24c22ef1a38a Mon Sep 17 00:00:00 2001
From: Atridad Lahiji <me@atri.dad>
Date: Mon, 16 Feb 2026 15:53:48 -0700
Subject: [PATCH] Update librewolf.nix

---
 modules/librewolf.nix | 106 +++++++++++++-----------------------------
 1 file changed, 33 insertions(+), 73 deletions(-)

diff --git a/modules/librewolf.nix b/modules/librewolf.nix
index 021d82a..6130fa8 100644
--- a/modules/librewolf.nix
+++ b/modules/librewolf.nix
@@ -8,24 +8,6 @@ let
       DisablePocket = true;
       DisableFirefoxAccounts = true;
 
-      FirefoxHome = {
-        Search = true;
-        TopSites = true;
-        SponsoredTopSites = false;
-        Highlights = false;
-        Pocket = false;
-        SponsoredPocket = false;
-      };
-
-      SanitizeOnShutdown = {
-        Cache = true;
-        Cookies = false;
-        History = false;
-        Sessions = true;
-        SiteSettings = false;
-        OfflineApps = true;
-      };
-
       ExtensionSettings = {
         "{446900e4-71c2-419f-a6a7-df9c091e268b}" = {
           install_url = "https://addons.mozilla.org/firefox/downloads/latest/bitwarden-password-manager/latest.xpi";
@@ -39,71 +21,49 @@ let
           install_url = "https://addons.mozilla.org/firefox/downloads/latest/ublock-origin/latest.xpi";
           installation_mode = "force_installed";
         };
-        "{15cb5e64-94bd-41aa-91cf-751bb1a84972}" = {
-          install_url = "https://addons.mozilla.org/firefox/downloads/latest/catppuccin-macchiato-lavender2/latest.xpi";
-          installation_mode = "force_installed";
-        };
-      };
-
-      Preferences = {
-        "browser.startup.homepage" = {
-          Value = "about:home";
-          Status = "locked";
-        };
-        "extensions.autoDisableScopes" = {
-          Value = 0;
-          Status = "locked";
-        };
-        "browser.toolbars.bookmarks.visibility" = {
-          Value = "always";
-          Status = "locked";
-        };
-        "network.cookie.cookieBehavior" = {
-          Value = 1;
-          Status = "locked";
-        };
-        "privacy.clearOnShutdown.cookies" = {
-          Value = false;
-          Status = "locked";
-        };
-        "privacy.clearOnShutdown.history" = {
-          Value = false;
-          Status = "locked";
-        };
-        "sidebar.revamp" = {
-          Value = true;
-          Status = "locked";
-        };
-        "sidebar.verticalTabs" = {
-          Value = true;
-          Status = "locked";
-        };
-        "sidebar.main.tools" = {
-          Value = "bookmarks,history,tabs";
-          Status = "locked";
-        };
-        "sidebar.visibility" = {
-          Value = "always";
-          Status = "locked";
-        };
-        "extensions.activeThemeID" = {
-          Value = "{1d573fb2-437c-4440-9b7b-b72a3eaec105}";
-          Status = "locked";
-        };
       };
     };
   };
 
   policiesFile = pkgs.writeText "librewolf-policies.json" policiesJson;
+
+  autoconfigLoader = pkgs.writeText "autoconfig.js" ''
+    pref("general.config.filename", "autoconfig.cfg");
+    pref("general.config.obscure_value", 0);
+  '';
+
+  autoconfigCfg = pkgs.writeText "autoconfig.cfg" ''
+    // First line must be a comment
+    lockPref("extensions.activeThemeID", "firefox-alpenglow@mozilla.org");
+
+    // Other stubborn prefs can go here if needed
+    lockPref("sidebar.revamp", true);
+    lockPref("sidebar.verticalTabs", true);
+  '';
+
 in
 {
   system.activationScripts.postActivation.text = ''
-    DIST_DIR="/Applications/LibreWolf.app/Contents/Resources/distribution"
-    if [ -d "/Applications/LibreWolf.app" ]; then
+    APP_DIR="/Applications/LibreWolf.app"
+    if [ -d "$APP_DIR" ]; then
+      echo ">>> Applying LibreWolf Policies & AutoConfig..."
+
+      DIST_DIR="$APP_DIR/Contents/Resources/distribution"
       mkdir -p "$DIST_DIR"
-      cp ${policiesFile} "$DIST_DIR/policies.json"
+      cp -f ${policiesFile} "$DIST_DIR/policies.json"
       chmod 644 "$DIST_DIR/policies.json"
-      echo "LibreWolf policies applied."
+
+      PREF_DIR="$APP_DIR/Contents/Resources/defaults/pref"
+      mkdir -p "$PREF_DIR"
+      cp -f ${autoconfigLoader} "$PREF_DIR/autoconfig.js"
+      chmod 644 "$PREF_DIR/autoconfig.js"
+
+      cp -f ${autoconfigCfg} "$APP_DIR/Contents/Resources/autoconfig.cfg"
+      chmod 644 "$APP_DIR/Contents/Resources/autoconfig.cfg"
+
+      echo ">>> Done."
+    else
+      echo ">>> LibreWolf.app not found. Skipping."
     fi
   '';
 }