fix(install): don't prompt on installed parsers (skip)

Use `:TSInstall!` or `force = true` to reinstall.

TODO.md

@@ -4,6 +4,8 @@ This document lists the planned and finished changes in this rewrite towards [Nv
 
 ## TODO
 
+- [ ] **`config.lua`:** drop ensure_install (replace with install), ignore_install
+- [ ] **`install.lua`:** simply skip Tier 4 parsers (`get_install_info`)
 - [ ] **`parsers.lua`:** allow specifying version in addition to commit hash (for Tier 1)
 - [ ] **`parsers.lua`:** add WASM support (tier 1)
 - [ ] **`install.lua`:** migrate to async v2

lua/nvim-treesitter/config.lua

@@ -20,7 +20,7 @@ function M.setup(user_data)
   if user_data then
     if user_data.install_dir then
       user_data.install_dir = vim.fs.normalize(user_data.install_dir)
-      --TODO(clason): insert after/before site, or leave to user?
+      --TODO(clason): leave to user!
       vim.opt.runtimepath:append(user_data.install_dir)
     end
     config = vim.tbl_deep_extend('force', config, user_data)

lua/nvim-treesitter/install.lua

@@ -365,12 +365,8 @@ local install_status = {} ---@type table<string,InstallStatus?>
 ---@return InstallStatus status
 local function install_lang(lang, cache_dir, install_dir, force, generate)
   if not force and vim.list_contains(config.installed_parsers(), lang) then
-    local yesno = fn.input(lang .. ' parser already available: would you like to reinstall ? y/n: ')
-    print('\n ')
-    if yesno:sub(1, 1) ~= 'y' then
-      install_status[lang] = 'installed'
-      return 'installed'
-    end
+    install_status[lang] = 'installed'
+    return 'installed'
   end
 
   if install_status[lang] then
@@ -444,10 +440,6 @@ M.install = a.sync(function(languages, options, callback)
 
   languages = config.norm_languages(languages, options and options.skip)
 
-  if languages[1] == 'all' then
-    options.force = true
-  end
-
   install(languages, options, callback)
 end, 3)