backwards: Add firefox

hosts/backwards/modules/firefox/default.nix

@@ -0,0 +1,99 @@
+{ pkgs, ... }:
+let
+  wrapped = pkgs.wrapFirefox pkgs.firefox-devedition-unwrapped {
+    extraPolicies = {
+      DisableFirefoxAccounts = false;
+      CaptivePortal = false;
+      DisableFirefoxStudies = true;
+      DisablePocket = true;
+      DisableTelemetry = true;
+      OfferToSaveLogins = false;
+      OfferToSaveLoginsDefault = false;
+      PasswordManagerEnabled = false;
+
+      FirefoxHome = {
+        Search = false;
+        Pocket = false;
+        Snippets = false;
+        TopSites = false;
+        Highlights = false;
+      };
+
+      UserMessaging = {
+        ExtensionRecommendations = false;
+        SkipOnboarding = true;
+      };
+    };
+  };
+
+  ff-alex = pkgs.writeShellApplication {
+    name = "ff-alex";
+    text = ''
+      ${wrapped}/bin/firefox -P alex --new-window "$@"
+    '';
+  };
+
+  sharedSettings = {
+    "general.smoothScroll" = true;
+    "apz.gtk.kinetic_scroll.enabled" = false;
+    "network.dns.force_waiting_https_rr" = false;
+  };
+in
+{
+  home-manager.users.alex = {
+    programs.firefox = {
+      enable = true;
+
+      package = wrapped;
+
+      profiles = {
+        alex = {
+          id = 0;
+          name = "alex";
+          isDefault = true;
+
+          settings = sharedSettings // { };
+        };
+      };
+    };
+
+    xdg = {
+      # /etc/profiles/per-user/alex/share/applications
+      desktopEntries = {
+        ff-alex = {
+          name = "ff-alex";
+          exec = "${ff-alex}/bin/ff-alex %U";
+          terminal = false;
+        };
+      };
+
+      mimeApps = {
+        enable = true;
+
+        defaultApplications = {
+          "text/html" = "ff-alex.desktop";
+          "x-scheme-handler/http" = "ff-alex.desktop";
+          "x-scheme-handler/https" = "ff-alex.desktop";
+          "application/x-exension-htm" = "ff-alex.desktop";
+          "application/x-exension-html" = "ff-alex.desktop";
+          "application/x-exension-shtml" = "ff-alex.desktop";
+          "application/xhtml+xml" = "ff-alex.desktop";
+          "application/x-exension-xhtml" = "ff-alex.desktop";
+          "application/x-exension-xht" = "ff-alex.desktop";
+        };
+      };
+
+      # https://github.com/nix-community/home-manager/issues/1213
+      configFile."mimeapps.list".force = true;
+    };
+
+    home.packages = [
+      ff-alex
+    ];
+  };
+
+  environment.variables = {
+    MOZ_ENABLE_WAYLAND = 1;
+    BROWSER = "${ff-alex}/bin/ff-alex $@";
+  };
+}