From fdc12393d9068745bd7571ee446f76bd5485529e Mon Sep 17 00:00:00 2001
From: "xiongdian.me" <xiongdian.me@bytedance.com>
Date: Thu, 29 Jun 2023 15:41:59 +0800
Subject: [PATCH] Revert "riot: loosen username check as sometimes it's not a
 unix username"

This reverts commit bdb64ce1f2945f49ed877014bffe77131b7f2767.
---
 scripts/riot | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/riot b/scripts/riot
index 352d2cf..8b8c1b6 100755
--- a/scripts/riot
+++ b/scripts/riot
@@ -14,7 +14,7 @@ check_port() {
 
 # check if username valid
 check_username() {
-    ( echo $1 | grep -qxE "^[-.a-z0-9_]*\$" ) || return 1
+    ( echo $1 | grep -qxE "^[a-z][-a-z0-9_]*\$" ) || return 1
     return 0
 }