From: Daan De Meyer <daan.j.demeyer@gmail.com>
Date: Thu, 31 Oct 2024 11:00:52 +0000 (+0100)
Subject: Show a proper error message if /etc/subuid or /etc/subgid doesn't exist.
X-Git-Tag: v25~193^2~1
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b311778f31cd7492e142c91eeaa22e7067114b08;p=thirdparty%2Fmkosi.git

Show a proper error message if /etc/subuid or /etc/subgid doesn't exist.
---

diff --git a/mkosi/user.py b/mkosi/user.py
index 2fa7870ca..c74523e33 100644
--- a/mkosi/user.py
+++ b/mkosi/user.py
@@ -82,6 +82,9 @@ class INVOKING_USER:
 
 
 def read_subrange(path: Path) -> int:
+    if not path.exists():
+        die(f"{path} does not exist, cannot allocate subuid/subgid user namespace")
+
     uid = str(os.getuid())
     try:
         user = pwd.getpwuid(os.getuid()).pw_name