add lua-format

lua/init-plugins.lua

@@ -73,6 +73,11 @@ local jq = {
 local fixjson = {
 	formatCommand = "fixjson"
 }
+-- https://aur.archlinux.org/packages/lua-format/
+local luaformat = {
+	formatCommand = 'lua-formatt -i',
+	formatStdin = true
+}
 local util = require "lspconfig".util
 local on_attach_efm = function(client)
   if client.resolved_capabilities.document_formatting then
@@ -85,7 +90,7 @@ end
 require "lspconfig".efm.setup {
   init_options = {documentFormatting = true},
   on_attach = on_attach_efm,
-  filetypes = {"javascript", "typescript", "json", "sh", "python"},
+  filetypes = {"javascript", "typescript", "json", "sh", "python", "lua"},
   root_dir = function(fname)
     return util.root_pattern("tsconfig.json")(fname) or
     util.root_pattern(".eslintrc.js", ".git")(fname);
@@ -97,7 +102,8 @@ require "lspconfig".efm.setup {
       typescript = {eslint},
 	  json = {jq, fixjson},
 	  python = {flake8, black},
-	  sh = {shellcheck}
+	  sh = {shellcheck},
+	  lua = {luaformat}
     }
   }
 }