librewolf: Init

This is currently in testing, as qutebrowser has some severe drawbacks.

users/simon/modules/default.nix

@@ -10,6 +10,7 @@
     ./gpg.nix
     ./gtk.nix
     ./htop.nix
+    ./librewolf.nix
     ./logitech.nix
     ./mail
     ./makemkv.nix

users/simon/modules/librewolf.nix

@@ -0,0 +1,31 @@
+{ config, lib, nixosConfig, ... }:
+let
+  mkOverridesFile = prefs: ''
+    // Generated by Home Manager.
+    // Function taken from upstream home-manger,
+    // modified to use pref instead of defaultPref.
+
+    ${lib.concatStrings (lib.mapAttrsToList (name: value: ''
+      pref("${name}", ${builtins.toJSON value});
+    '') prefs)}
+  '';
+in
+lib.mkIf nixosConfig.sbruder.gui.enable {
+  programs.librewolf = {
+    enable = true;
+    settings = {
+      "accessibility.force_disabled" = 1;
+      "browser.uidensity" = 1; # more compact layout
+      "identity.fxaccounts.enabled" = true;
+      "middlemouse.paste" = false;
+      "network.http.referer.XOriginPolicy" = 2;
+      "privacy.clearOnShutdown.history" = false;
+      "webgl.disabled" = false; # requires installing CanvasBlocker
+
+      #"privacy.resistFingerprinting.letterboxing" = true; # quite annoying
+    };
+  };
+
+  # overrides home-manager’s definition
+  home.file.".librewolf/librewolf.overrides.cfg".text = lib.mkForce (mkOverridesFile config.programs.librewolf.settings);
+}

users/simon/modules/sway/default.nix

@@ -197,6 +197,7 @@ in
         "2" = [
           { app_id = "firefox"; }
           { app_id = "org.qutebrowser.qutebrowser"; }
+          { class = "librewolf"; }
           { class = "qutebrowser"; } # workaround for qutebrowser running under Xwayland
           #{ class="Chromium"; }
         ];

users/simon/modules/xdg.nix

@@ -5,7 +5,7 @@
     enable = nixosConfig.sbruder.gui.enable;
     defaultApplications =
       let
-        browser = "org.qutebrowser.qutebrowser.desktop";
+        browser = "librewolf.desktop";
       in
       {
         "application/pdf" = "org.pwmt.zathura.desktop";