nvim: big lua update

vim/.config/nvim/lua/plugins/null-ls.lua

@@ -0,0 +1,29 @@
+local augroup = vim.api.nvim_create_augroup("LspFormatting", {})
+require("null-ls").setup({
+  sources = {
+    require("null-ls").builtins.formatting.jq,
+    require("null-ls").builtins.formatting.gofmt,
+    require("null-ls").builtins.formatting.prettierd,
+    require("null-ls").builtins.formatting.terraform_fmt,
+    require("null-ls").builtins.diagnostics.jsonlint,
+  },
+  -- you can reuse a shared lspconfig on_attach callback here
+  on_attach = function(client, bufnr)
+    if client.supports_method("textDocument/formatting") then
+      vim.api.nvim_clear_autocmds({group = augroup, buffer = bufnr})
+      vim.api.nvim_create_autocmd("BufWritePre", {
+        group = augroup,
+        buffer = bufnr,
+        callback = function()
+          vim.lsp.buf.format({
+            bufnr = bufnr,
+            async = false,
+            filter = function(client)
+              return client.name == "null-ls"
+            end
+          })
+        end,
+      })
+    end
+  end,
+})