home/graphical/firefox/default.nix

@@ -9,10 +9,77 @@ lib.mkIf osConfig.programs.firefox.enable {
   programs.firefox = {
     enable = true;
     # Installed by nixpkgs module
-    package = null;
+    package = osConfig.programs.firefox.package;
     profiles.${config.home.username} = {
       name = config.home.username;
       isDefault = true;
+      userContent = # css
+        ''
+          /* Sidebery */
+          @-moz-document url("moz-extension://d1d9847c-2bad-429f-9366-56db49b8c3d6/sidebar/sidebar.html")
+          {
+            #root {
+              --tabs-indent: 0px !important;
+            }
+
+            #root:hover {
+              --tabs-indent: 30px !important;
+            }
+          }
+        '';
+      userChrome = # css
+        ''
+          /* Hides the native tabs, sidebar header and splitter */
+          #TabsToolbar,
+          #sidebar-splitter,
+          #sidebar-header {
+            display: none;
+          }
+
+          #sidebar-box {
+            --sidebar-normal-width: 35px;
+            --sidebar-hovered-width: 300px;
+            --sidebar-transition-speed: 200ms;
+            --sidebar-collapse-delay: 300ms;
+            --sidebar-transition-type: linear;
+            --browser-area-z-index-sidebar: 3;
+
+            position: relative;
+            min-width: var(--sidebar-normal-width) !important;
+            width: var(--sidebar-normal-width) !important;
+            max-width: var(--sidebar-normal-width) !important;
+            z-index: var(--browser-area-z-index-sidebar);
+          }
+
+          #sidebar-box[positionend] {
+            direction: rtl;
+          }
+          #sidebar-box[positionend] > * {
+            direction: ltr;
+          }
+
+          #sidebar-box[positionend]:-moz-locale-dir(rtl) {
+            direction: ltr;
+          }
+          #sidebar-box[positionend]:-moz-locale-dir(rtl) > * {
+            direction: rtl;
+          }
+
+          #main-window[sizemode="fullscreen"] #sidebar-box {
+            --sidebar-normal-width: 1px;
+          }
+
+          #sidebar {
+            transition: min-width var(--sidebar-transition-speed)
+              var(--sidebar-transition-type) var(--sidebar-collapse-delay) !important;
+            min-width: var(--sidebar-normal-width) !important;
+            will-change: min-width;
+          }
+          #sidebar-box:hover > #sidebar {
+            min-width: var(--sidebar-hovered-width) !important;
+            transition-delay: 100ms !important;
+          }
+        '';
       search = {
         default = "DuckDuckGo";
         force = true;

hosts/raptus/headscale/dns.nix

@@ -47,7 +47,6 @@
           "ntfy"
           "octoprint"
           "assistant"
-          "rss"
         ];
     };
   };

modules/programs/firefox.nix

@@ -10,7 +10,7 @@
 }:
 lib.mkIf config.programs.firefox.enable {
   programs.firefox = {
-    package = pkgs.firefox-beta;
+    package = pkgs.firefox-esr;
     languagePacks = [
       "de"
       "en-GB"
@@ -42,7 +42,6 @@ lib.mkIf config.programs.firefox.enable {
       "browser.newtabpage.activity-stream.showSearch" = false;
       "browser.newtabpage.activity-stream.feeds.topsites" = false;
       "browser.newtabpage.activity-stream.feeds.section.highlights" = false;
-      "browser.tabs.groups.enabled" = true;
       # Add-ons
       "extensions.pocket.enabled" = false;
       "extensions.postDownloadThirdPartyPrompt" = false; # Prompt for install before download
@@ -78,8 +77,6 @@ lib.mkIf config.programs.firefox.enable {
       "privacy.resistFingerprinting.block_mozAddonManager" = true;
       # Allow styling through userChrome.css
       "toolkit.legacyUserProfileCustomizations.stylesheets" = true;
-
-      "sidebar.verticalTabs" = true;
     };
     policies = {
       PasswordManagerEnabled = false;