Let command line interaction mode overwrite format value

luametalatex-init.lua

@@ -24,19 +24,6 @@ do
   end
 end
 kpse.set_program_name(arg.arg0 or arg[arg[0]], arg.progname)
-do
-  local interaction = ({ [true] = 3, [false] = false,
-    batchmode=0,
-    nonstopmode=1,
-    scrollmode=2,
-    errorstopmode=3,
-  })[arg.interaction or false]
-  if interaction then
-    tex.setinteraction(interaction)
-  elseif interaction == nil then
-    texio.write('term', string.format('Unknown interaction mode %q ignored.\n', arg.interaction))
-  end
-end
 package.searchers[2] = function(modname)
   local filename = kpse.find_file(modname, "lua", true)
   if not filename then
@@ -72,6 +59,19 @@ end
 callback_register('find_format_file', function(name) texconfig.formatname = kpse.find_file(name, 'fmt', true) return texconfig.formatname end)
 -- texconfig.firstline = [[\show ]]
 function texconfig.init()
+  do
+    local interaction = ({ [true] = 3, [false] = false,
+      batchmode=0,
+      nonstopmode=1,
+      scrollmode=2,
+      errorstopmode=3,
+    })[arg.interaction or false]
+    if interaction then
+      tex.setinteraction(interaction)
+    elseif interaction == nil then
+      texio.write('term', string.format('Unknown interaction mode %q ignored.\n', arg.interaction))
+    end
+  end
   if build_bytecode then -- Effectivly if status.ini_version
     require'luametalatex-lateinit'(build_bytecode)
   else