Merge 'upstream' conform: disable autoformat on save for specified filetypes

README.md

@@ -142,6 +142,8 @@ This will install the tree plugin and add the command `:Neotree` for you. For mo
 In the file: `lua/custom/plugins/filetree.lua`, add:
 
 ```lua
+-- File: lua/custom/plugins/filetree.lua
+
 return {
   "nvim-neo-tree/neo-tree.nvim",
   version = "*",

lua/kickstart/plugins/conform.lua

@@ -3,10 +3,16 @@ return {
     'stevearc/conform.nvim',
     opts = {
       notify_on_error = false,
-      format_on_save = {
+      format_on_save = function(bufnr)
+        -- Disable "format_on_save lsp_fallback" for languages that don't
+        -- have a well standardized coding style. You can add additional
+        -- languages here or re-enable it for the disabled ones.
+        local disable_filetypes = { c = true, cpp = true }
+        return {
           timeout_ms = 500,
-        lsp_fallback = true,
+          lsp_fallback = not disable_filetypes[vim.bo[bufnr].filetype],
-      },
+        }
+      end,
       formatters_by_ft = {
         lua = { 'stylua' },
         -- Conform can also run multiple formatters sequentially