From a8a394c8f21d6f0fc320f82014db34db95d5d56e Mon Sep 17 00:00:00 2001
From: imbytecat <imbytecat@gmail.com>
Date: Thu, 26 Mar 2026 13:39:59 +0800
Subject: [PATCH] =?UTF-8?q?fix(source):=20=E7=A7=BB=E9=99=A4=20hardcoded?=
 =?UTF-8?q?=20=E7=94=A8=E6=88=B7=E5=90=8D=20fallback=EF=BC=8C=E5=BC=BA?=
 =?UTF-8?q?=E5=88=B6=E8=A6=81=E6=B1=82=20sudo=20=E8=BF=90=E8=A1=8C?=
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---
 source.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/source.py b/source.py
index 776cfcf..885a50e 100644
--- a/source.py
+++ b/source.py
@@ -20,8 +20,9 @@ assert decman.aur is not None
 assert decman.systemd is not None
 
 # ── 用户 ──────────────────────────────────────────────────────
-# sudo decman 时 SUDO_USER 为调用 sudo 的原始用户
-USERNAME = os.environ.get("SUDO_USER", "imbytecat")
+USERNAME = os.environ.get("SUDO_USER")
+if not USERNAME:
+    raise decman.SourceError("请使用 sudo decman 运行")
 HOME = f"/home/{USERNAME}"
 
 # ── 系统文件（/etc/）──────────────────────────────────────────