include downloading of lazy-lock.json while bootstrapping

also pin all plugins by default

lua/core/bootstrap.lua

@@ -1,6 +1,14 @@
 local M = {}
 
 M.lazy = function(install_path)
+  print "Downloading lazy-lock.json file..."
+
+  local config_branch = require("core.utils").load_config().options.nvChad.update_branch
+
+ vim.cmd(
+    "!curl -o lazy-lock.json https://raw.githubusercontent.com/NvChad/extensions/lazy-lock/" .. config_branch .. ".json "
+  )
+
   print "Bootstrapping lazy.nvim .."
 
   vim.fn.system {

lua/core/default_config.lua

@@ -5,7 +5,7 @@ local M = {}
 M.options = {
   nvChad = {
     update_url = "https://github.com/NvChad/NvChad",
-    update_branch = "lazy",
+    update_branch = "v2.0",
   },
 }
 

lua/plugins/init.lua

@@ -4,14 +4,14 @@ local plugins = {
 
   ["nvim-lua/plenary.nvim"] = {},
 
-  ["NvChad/extensions"] = { branch = "lazy" },
+  ["NvChad/extensions"] = { branch = "v2.0" },
 
   ["NvChad/base46"] = {
-    branch = "lazy",
+    branch = "v2.0",
   },
 
   ["NvChad/ui"] = {
-    branch = "lazy",
+    branch = "v2.0",
     lazy = false,
     config = function()
       require "nvchad_ui"
@@ -183,6 +183,11 @@ local plugins = {
   },
 }
 
+-- pin commits for all default plugins
+for _, value in pairs(plugins) do
+  value.pin = true
+end
+
 plugins = require("core.utils").merge_plugins(plugins)
 
 -- load lazy.nvim options