refactor: gen chadrc template (#2349)

lua/core/bootstrap.lua

@@ -1,4 +1,5 @@
 local M = {}
+local fn = vim.fn
 
 M.echo = function(str)
   vim.cmd "redraw"
@@ -6,13 +7,13 @@ M.echo = function(str)
 end
 
 local function shell_call(args)
-  local output = vim.fn.system(args)
+  local output = fn.system(args)
   assert(vim.v.shell_error == 0, "External call failed with error code: " .. vim.v.shell_error .. "\n" .. output)
 end
 
 M.lazy = function(install_path)
   ------------- base46 ---------------
-  local lazy_path = vim.fn.stdpath "data" .. "/lazy/base46"
+  local lazy_path = fn.stdpath "data" .. "/lazy/base46"
 
   M.echo "  Compiling base46 theme to bytecode ..."
 
@@ -36,26 +37,24 @@ M.lazy = function(install_path)
 end
 
 M.gen_chadrc_template = function()
-  if not vim.api.nvim_get_runtime_file("lua/custom/chadrc.lua", false)[1] then
-    local path = vim.fn.stdpath "config" .. "/lua/custom/"
-    local input = "N"
+  local path = fn.stdpath "config" .. "/lua/custom"
 
-    if next(vim.api.nvim_list_uis()) then
-      input = vim.fn.input "Do you want to install example custom config? (y/N) : "
-    end
+  if fn.isdirectory(path) ~= 1 then
+    local input = fn.input "Do you want to install example custom config? (y/N): "
 
-    -- clone example_config repo
-    if input == "y" then
-      M.echo "cloning example custom config repo ..."
+    if input:lower() == "y" then
+      M.echo "Cloning example custom config repo..."
       shell_call { "git", "clone", "--depth", "1", "https://github.com/NvChad/example_config", path }
-      vim.fn.delete(path .. ".git", "rf")
+      fn.delete(path .. "/.git", "rf")
     else
       -- use very minimal chadrc
-      vim.fn.mkdir(path, "p")
+      fn.mkdir(path, "p")
 
-      local file = io.open(path .. "chadrc.lua", "w")
-      file:write "---@type ChadrcConfig \n local M = {}\n M.ui = {theme = 'onedark'}\n return M"
-      file:close()
+      local file = io.open(path .. "/chadrc.lua", "w")
+      if file then
+        file:write "---@type ChadrcConfig\nlocal M = {}\n\nM.ui = { theme = 'onedark' }\n\nreturn M"
+        file:close()
+      end
     end
   end
 end