Auto download packages on first launch

init.fnl

@@ -509,6 +509,8 @@
   (use! :neovim/nvim-lspconfig
         :after :cmp-nvim-lsp
         :config lsp_config_callback)
+
+  ;; nvim-jdtls
   (fn jdtls_config_callback []
     (hook! :FileType :java 
            #(let [root_dir ((. (require :jdtls.setup) :find_root)
@@ -524,8 +526,11 @@
                                           :jdtls root_dir) ]}))))
   (use! :mfussenegger/nvim-jdtls
         :after :nvim-lspconfig
-        :config jdtls_config_callback))
+        :config jdtls_config_callback)
+  
+  ;; Sync all packages on first launch
+  (if _G.zander.first_launch
+      ((. (require :packer) :sync))))
 
-(vim.cmd.packadd "packer.nvim")
 (let [packer (require :packer)]
        (packer.startup packer_init_callback))

init.lua

@@ -3,10 +3,13 @@ local function bootstrap(pkg, repo)
     if vim.fn.isdirectory(plug_dir) ~= 1 then
         vim.fn.system({ 'git', 'clone', '--depth', '1', repo, plug_dir })
         vim.cmd.packadd(pkg)
+        return true
     end
+    return false
 end
 
-bootstrap('packer.nvim', 'https://github.com/wbthomason/packer.nvim')
+_G.zander = {}
+_G.zander.first_launch = bootstrap('packer.nvim', 'https://github.com/wbthomason/packer.nvim')
 
 bootstrap('tangerine.nvim', 'https://github.com/udayvir-singh/tangerine.nvim')
 require('tangerine').setup({