From c8ed851e7a9f116c8743a6cfa95e25804237d3ec Mon Sep 17 00:00:00 2001
From: lwb1978 <86697442+lwb1978@users.noreply.github.com>
Date: Sun, 9 Feb 2025 19:30:50 +0800
Subject: [PATCH] luci: fix detection of old uci on some systems

---
 luci-app-passwall2/luasrc/passwall2/api.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/luci-app-passwall2/luasrc/passwall2/api.lua b/luci-app-passwall2/luasrc/passwall2/api.lua
index 3499e1a..1cc72bc 100644
--- a/luci-app-passwall2/luasrc/passwall2/api.lua
+++ b/luci-app-passwall2/luasrc/passwall2/api.lua
@@ -30,7 +30,7 @@ function log(...)
 end
 
 function is_old_uci()
-	return sys.call("grep 'require \"uci\"' /usr/lib/lua/luci/model/uci.lua >/dev/null 2>&1") == 0
+	return sys.call("grep -E 'require[ \t]*\"uci\"' /usr/lib/lua/luci/model/uci.lua >/dev/null 2>&1") == 0
 end
 
 function uci_save(cursor, config, commit, apply)