checks: extract hyprland config smoke test

nixos/checks/hyprland-config-syntax/default.nix

@@ -0,0 +1,18 @@
+{
+  pkgs,
+  hyprlandConfig,
+}:
+pkgs.runCommand "hyprland-config-syntax" {
+  nativeBuildInputs = [pkgs.lua5_4];
+} ''
+  cp ${hyprlandConfig} hyprland.lua
+  luac -p hyprland.lua
+
+  if grep -n 'hyprctl' hyprland.lua | grep -v 'hyprctl reload' | grep -v 'hyprctl eval' | grep -v 'hyprctl_eval' | grep -v 'hyprctl -j monitors'; then
+    echo "hyprland.lua should not shell out to hyprctl for window/workspace manipulation" >&2
+    exit 1
+  fi
+
+  lua ${./smoke-test.lua} ./hyprland.lua
+  touch "$out"
+''

nixos/checks/hyprland-config-syntax/smoke-test.lua

@@ -0,0 +1,110 @@
+local config_path = arg[1] or "./hyprland.lua"
+local callbacks = {}
+
+local function noop() end
+
+local function dispatcher_proxy()
+  local proxy = {}
+  return setmetatable(proxy, {
+    __index = function()
+      return dispatcher_proxy()
+    end,
+    __call = function()
+      return noop
+    end,
+  })
+end
+
+local notification = {
+  is_alive = function()
+    return true
+  end,
+  set_text = noop,
+  set_timeout = noop,
+  pause = noop,
+  resume = noop,
+  set_paused = noop,
+  dismiss = noop,
+}
+
+local monitor = {
+  id = 1,
+  name = "stub-monitor",
+  focused = true,
+}
+
+local workspace = {
+  id = 1,
+  name = "1",
+  windows = 0,
+  special = false,
+  monitor = monitor,
+}
+
+monitor.active_workspace = workspace
+
+hl = {
+  animation = noop,
+  bind = noop,
+  config = noop,
+  curve = noop,
+  env = noop,
+  exec_cmd = noop,
+  define_submap = function(_, reset_or_callback, callback)
+    local cb = type(reset_or_callback) == "function" and reset_or_callback or callback
+    if cb then
+      cb()
+    end
+  end,
+  monitor = noop,
+  workspace_rule = noop,
+  window_rule = noop,
+  dsp = dispatcher_proxy(),
+  notification = {
+    create = function()
+      return notification
+    end,
+  },
+  plugin = {
+    load = noop,
+  },
+  get_active_workspace = function()
+    return workspace
+  end,
+  get_active_monitor = function()
+    return monitor
+  end,
+  get_active_window = function()
+    return nil
+  end,
+  get_monitor = function()
+    return monitor
+  end,
+  get_workspace = function(id)
+    if tostring(id) == "1" then
+      return workspace
+    end
+    return nil
+  end,
+  get_windows = function()
+    return {}
+  end,
+  get_workspace_windows = function()
+    return {}
+  end,
+  on = function(_, callback)
+    callbacks[#callbacks + 1] = callback
+  end,
+  timer = function(callback)
+    callback()
+    return {
+      set_enabled = noop,
+    }
+  end,
+}
+
+dofile(config_path)
+
+for _, callback in ipairs(callbacks) do
+  callback()
+end

nixos/flake.nix

@@ -546,129 +546,10 @@
             hyprexpo-lua = inputs.hyprland-plugins-lua.packages.${system}.hyprexpo;
             hyprwinview = inputs.hyprwinview.packages.${system}.hyprwinview;
             hypr-workspace-history = inputs.hypr-workspace-history.packages.${system}.hypr-workspace-history;
-            hyprland-config-syntax =
+            hyprland-config-syntax = import ./checks/hyprland-config-syntax {
-              pkgs.runCommand "hyprland-config-syntax" {
+              inherit pkgs;
-                nativeBuildInputs = [pkgs.lua5_4];
+              hyprlandConfig = ../dotfiles/config/hypr/hyprland.lua;
-              } ''
+            };
-                cp ${../dotfiles/config/hypr/hyprland.lua} hyprland.lua
-                luac -p hyprland.lua
-                if grep -n 'hyprctl' hyprland.lua | grep -v 'hyprctl reload' | grep -v 'hyprctl eval' | grep -v 'hyprctl_eval' | grep -v 'hyprctl -j monitors'; then
-                  echo "hyprland.lua should not shell out to hyprctl for window/workspace manipulation" >&2
-                  exit 1
-                fi
-                lua <<'LUA'
-                local callbacks = {}
-
-                local function noop() end
-
-                local function dispatcher_proxy()
-                  local proxy = {}
-                  return setmetatable(proxy, {
-                    __index = function()
-                      return dispatcher_proxy()
-                    end,
-                    __call = function()
-                      return noop
-                    end,
-                  })
-                end
-
-                local notification = {
-                  is_alive = function()
-                    return true
-                  end,
-                  set_text = noop,
-                  set_timeout = noop,
-                  pause = noop,
-                  resume = noop,
-                  set_paused = noop,
-                  dismiss = noop,
-                }
-
-                local monitor = {
-                  id = 1,
-                  name = "stub-monitor",
-                  focused = true,
-                }
-
-                local workspace = {
-                  id = 1,
-                  name = "1",
-                  windows = 0,
-                  special = false,
-                  monitor = monitor,
-                }
-
-                monitor.active_workspace = workspace
-
-                hl = {
-                  animation = noop,
-                  bind = noop,
-                  config = noop,
-                  curve = noop,
-                  env = noop,
-                  exec_cmd = noop,
-                  define_submap = function(_, reset_or_callback, callback)
-                    local cb = type(reset_or_callback) == "function" and reset_or_callback or callback
-                    if cb then
-                      cb()
-                    end
-                  end,
-                  monitor = noop,
-                  workspace_rule = noop,
-                  window_rule = noop,
-                  dsp = dispatcher_proxy(),
-                  notification = {
-                    create = function()
-                      return notification
-                    end,
-                  },
-                  plugin = {
-                    load = noop,
-                  },
-                  get_active_workspace = function()
-                    return workspace
-                  end,
-                  get_active_monitor = function()
-                    return monitor
-                  end,
-                  get_active_window = function()
-                    return nil
-                  end,
-                  get_monitor = function()
-                    return monitor
-                  end,
-                  get_workspace = function(id)
-                    if tostring(id) == "1" then
-                      return workspace
-                    end
-                    return nil
-                  end,
-                  get_windows = function()
-                    return {}
-                  end,
-                  get_workspace_windows = function()
-                    return {}
-                  end,
-                  on = function(_, callback)
-                    callbacks[#callbacks + 1] = callback
-                  end,
-                  timer = function(callback)
-                    callback()
-                    return {
-                      set_enabled = noop,
-                    }
-                  end,
-                }
-
-                dofile("./hyprland.lua")
-
-                for _, callback in ipairs(callbacks) do
-                  callback()
-                end
-                LUA
-                touch "$out"
-              '';
             hyprland-verify-config = let
               hyprlandPackage = inputs.hyprland.packages.${system}.hyprland;
               hyprNStackPackage = inputs.hyprNStack.packages.${system}.hyprNStack;