Fix relatedfiles

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

@@ -14,6 +14,7 @@ return {
 
 			-- buildifier is a tool for formatting and linting bazel BUILD, WORKSPACE, and .bzl files.
 			null_ls.builtins.diagnostics.buildifier,
+			null_ls.builtins.formatting.buildifier,
 
 			-- Codespell finds common misspellings in text files.
 			null_ls.builtins.diagnostics.codespell,
@@ -26,9 +27,33 @@ return {
 			null_ls.builtins.formatting.google_java_format,
 
 			-- XML
-			null_ls.builtins.diagnostics.tidy,
-			-- null_ls.builtins.formatting.xmlformat
-
+			-- null_ls.builtins.diagnostics.tidy,
+			-- null_ls.builtins.formatting.xmlformat,
+			-- null_ls.builtins.formatting.xq,
+			-- null_ls.builtins.formatting.xmllint.with({ extra_args = { "--pretty", "2" } }),
+			null_ls.builtins.formatting.tidy.with({
+				filetypes = { "xml" },
+				args = {
+					"-xml",
+					"-quiet",
+					"-wrap",
+					"--tidy-mark",
+					"no",
+					"--indent",
+					"yes",
+					"--indent-spaces",
+					"2",
+					"--indent-attributes",
+					"yes",
+					"--sort-attributes",
+					"alpha",
+					"--wrap-attributes",
+					"yes",
+					"--vertical-space",
+					"yes",
+					"-",
+				},
+			}),
 			null_ls.builtins.formatting.stylua,
 		}
 
@@ -48,8 +73,25 @@ return {
 			})
 		end
 
+		local augroup = vim.api.nvim_create_augroup("LspFormatting", {})
 		null_ls.setup({
+			on_init = function(new_client, _)
+				new_client.offset_encoding = "utf-8"
+			end,
 			sources = sources,
+			-- 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({ async = false })
+						end,
+					})
+				end
+			end,
 		})
 	end,
 }