Reduce jay-lenovo switch source builds

nix-shared/system/essential.nix

@@ -2,18 +2,30 @@
   pkgs,
   lib,
   inputs,
+  config ? {},
   ...
 }: let
   system = pkgs.stdenv.hostPlatform.system;
+  isJayLenovo = (config.networking.hostName or null) == "jay-lenovo";
   inputPackageOrNull = inputName: packageName: let
     input = inputs.${inputName} or null;
-    packages = if input == null then null else input.packages or null;
-    systemPackages = if packages == null then null else packages.${system} or null;
+    packages =
+      if input == null
+      then null
+      else input.packages or null;
+    systemPackages =
+      if packages == null
+      then null
+      else packages.${system} or null;
   in
-    if systemPackages == null then null else systemPackages.${packageName} or null;
+    if systemPackages == null
+    then null
+    else systemPackages.${packageName} or null;
 
   git-blame-rank = inputs.git-blame-rank.packages.${system}.default.overrideAttrs (old: {
-    env = (old.env or {}) // {
+    env =
+      (old.env or {})
+      // {
         CARGO_BUILD_JOBS = "1";
       };
   });
@@ -25,7 +37,6 @@
 
   commonPkgs = lib.filter (pkg: lib.meta.availableOn pkgs.stdenv.hostPlatform pkg) ((with pkgs; [
       automake
-    bazel
       bento4
       bind
       binutils
@@ -72,6 +83,7 @@
       xkcdpass
       yubikey-manager
     ])
+    ++ lib.optionals (!isJayLenovo) [pkgs.bazel]
     ++ lib.optionals (coquiTtsStreamer != null) [coquiTtsStreamer]
     ++ lib.optionals (builtins.hasAttr "git-sync-rs" pkgs) [pkgs.git-sync-rs]);
 

nixos/code.nix

@@ -5,20 +5,18 @@
   lib,
   makeEnable,
   ...
-}:
-let
+}: let
   codexDesktopLinuxSource = pkgs.applyPatches {
     name = "codex-desktop-linux-patched";
     src = inputs.codex-desktop-linux;
-    patches = [ ./patches/codex-desktop-linux-gsettings-schemas.patch ];
+    patches = [./patches/codex-desktop-linux-gsettings-schemas.patch];
   };
   claudeDesktopSource = inputs.claude-desktop;
   claudeDesktop = pkgs.callPackage "${claudeDesktopSource}/nix/claude-desktop.nix" {};
   claudeDesktopFhs = pkgs.callPackage "${claudeDesktopSource}/nix/fhs.nix" {
     claude-desktop = claudeDesktop;
   };
-  codexDesktopLinux =
-    let
+  codexDesktopLinux = let
     flake = import "${codexDesktopLinuxSource}/flake.nix";
     self' =
       (flake.outputs {
@@ -34,7 +32,7 @@ let
   in
     self';
 in
-makeEnable config "myModules.code" true {
+  makeEnable config "myModules.code" true {
     programs.direnv = {
       enable = true;
       nix-direnv.enable = true;
@@ -101,7 +99,6 @@ makeEnable config "myModules.code" true {
         # LLM Tools
         # antigravity
         claude-code
-      claudeDesktopFhs
         codex
         gemini-cli
         opencode
@@ -119,7 +116,6 @@ makeEnable config "myModules.code" true {
 
         # Haskell
         cabal-install
-      cabal2nix
         ghc
         haskellPackages.hpack
         haskellPackages.hasktags
@@ -174,6 +170,10 @@ makeEnable config "myModules.code" true {
         nil
         alejandra
       ]
+      ++ lib.optionals (config.networking.hostName != "jay-lenovo") [
+        claudeDesktopFhs
+        cabal2nix
+      ]
       ++ (
         if pkgs.stdenv.hostPlatform.system == "x86_64-linux"
         then
@@ -185,4 +185,4 @@ makeEnable config "myModules.code" true {
           ]
         else []
       );
-}
+  }

nixos/machines/jay-lenovo.nix

@@ -1,5 +1,6 @@
 {
   config,
+  inputs,
   lib,
   pkgs,
   ...
@@ -11,6 +12,15 @@
   myModules.wyoming.enable = false;
   features.full.enable = true;
 
+  nixpkgs.overlays = [
+    (_final: prev: let
+      stablePkgs = inputs.nixpkgs-stable.legacyPackages.${prev.stdenv.hostPlatform.system};
+    in {
+      shellcheck = stablePkgs.shellcheck;
+      shellcheck-minimal = stablePkgs.shellcheck-minimal or stablePkgs.shellcheck;
+    })
+  ];
+
   environment.systemPackages = with pkgs; [
     android-studio
     perf

nixos/notifications-tray-icon.nix

@@ -5,9 +5,12 @@
   lib,
   makeEnable,
   ...
-}:
-makeEnable config "myModules.notifications-tray-icon" true {
-  nixpkgs.overlays = [
+}: let
+  system = pkgs.stdenv.hostPlatform.system;
+  notificationsTrayIconPkgs = import pkgs.path {
+    inherit system;
+    config = pkgs.config or {};
+    overlays = [
       inputs.notifications-tray-icon.overlays.default
       (final: prev: {
         haskellPackages = prev.haskellPackages.override (old: {
@@ -30,9 +33,11 @@ makeEnable config "myModules.notifications-tray-icon" true {
         });
       })
     ];
-
+  };
+in
+  makeEnable config "myModules.notifications-tray-icon" true {
     home-manager.users.imalison = {config, ...}: let
-    notificationsTrayIcon = pkgs.haskellPackages.notifications-tray-icon;
+      notificationsTrayIcon = notificationsTrayIconPkgs.haskellPackages.notifications-tray-icon;
       gmailExecStart = pkgs.writeShellScript "notifications-tray-icon-gmail" ''
         creds_file="${config.xdg.configHome}/gws/client_secret.json"
         client_id=$(${pkgs.jq}/bin/jq -r '.installed.client_id // .web.client_id // empty' "$creds_file")
@@ -84,4 +89,4 @@ makeEnable config "myModules.notifications-tray-icon" true {
           "${gmailExecStart}";
       };
     };
-}
+  }

nixos/xmonad.nix

@@ -7,13 +7,13 @@
   ...
 }: let
   session = import ./session-variables.nix;
-in
-  makeEnable config "myModules.xmonad" true {
-    myModules.taffybar.enable = lib.mkDefault (config.myModules.desktop.shellUi == "taffybar");
-
-    nixpkgs.overlays = with inputs; [
-      xmonad.overlay
-      xmonad-contrib.overlay
+  system = pkgs.stdenv.hostPlatform.system;
+  xmonadPkgs = import pkgs.path {
+    inherit system;
+    config = pkgs.config or {};
+    overlays = [
+      inputs.xmonad.overlay
+      inputs.xmonad-contrib.overlay
       (final: prev: {
         haskellPackages = prev.haskellPackages.override (old: {
           overrides =
@@ -31,6 +31,10 @@ in
       })
       (import ../dotfiles/config/xmonad/overlay.nix)
     ];
+  };
+in
+  makeEnable config "myModules.xmonad" true {
+    myModules.taffybar.enable = lib.mkDefault (config.myModules.desktop.shellUi == "taffybar");
 
     services.rumno.enable = true;
 
@@ -48,13 +52,13 @@ in
       };
     };
 
-    environment.systemPackages = with pkgs; [
+    environment.systemPackages = [
       # Haskell Desktop
-      haskellPackages.xmonad
-      haskellPackages.imalison-xmonad
-      # haskellPackages.notifications-tray-icon
-      # haskellPackages.gtk-sni-tray
-      haskellPackages.dbus-hslogger
+      xmonadPkgs.haskellPackages.xmonad
+      xmonadPkgs.haskellPackages.imalison-xmonad
+      # xmonadPkgs.haskellPackages.notifications-tray-icon
+      # xmonadPkgs.haskellPackages.gtk-sni-tray
+      xmonadPkgs.haskellPackages.dbus-hslogger
     ];
 
     home-manager.sharedModules = [