feat: added support for `nvim --headless "+Lazy! sync" +qa`

lua/lazy/core/config.lua

@@ -116,6 +116,8 @@ M.me = nil
 ---@type string
 M.mapleader = nil
 
+M.headless = #vim.api.nvim_list_uis() == 0
+
 ---@param spec LazySpec
 ---@param opts? LazyConfig
 function M.setup(spec, opts)
@@ -153,12 +155,15 @@ function M.setup(spec, opts)
   vim.go.loadplugins = false
   M.mapleader = vim.g.mapleader
 
+  if M.headless then
+    require("lazy.view.commands").setup()
+  else
     vim.api.nvim_create_autocmd("User", {
       pattern = "VeryLazy",
       once = true,
       callback = function()
         require("lazy.core.cache").autosave()
-      require("lazy.view").setup()
+        require("lazy.view.commands").setup()
         if M.options.change_detection.enabled then
           require("lazy.manage.reloader").enable()
         end
@@ -169,6 +174,7 @@ function M.setup(spec, opts)
         end
       end,
     })
+  end
 
   Util.very_lazy()
 end

lua/lazy/view/init.lua

@@ -43,12 +43,10 @@ M.hover = "K"
 ---@type string?
 M.mode = nil
 
-function M.setup()
-  require("lazy.view.commands").setup()
-  require("lazy.view.colors").setup()
-end
-
 function M.show(mode)
+  if Config.headless then
+    return
+  end
   M.mode = mode or M.mode or "home"
   require("lazy.view.colors").setup()