From: Jörg Behrmann <behrmann@physik.fu-berlin.de>
Date: Wed, 24 Sep 2025 10:07:00 +0000 (+0200)
Subject: util: widen allowed characters in read_env_file
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=refs%2Fpull%2F3914%2Fhead;p=thirdparty%2Fmkosi.git

util: widen allowed characters in read_env_file

Currently we only read uppercase variables starting with a letter, but shell
variables only restriction is not starting with a number, so lowercase names
and names starting with an underscore are allowed.
---

diff --git a/mkosi/util.py b/mkosi/util.py
index 212dd8f55..53e0a08eb 100644
--- a/mkosi/util.py
+++ b/mkosi/util.py
@@ -83,7 +83,7 @@ def read_env_file(path: PathString) -> Iterator[tuple[str, str]]:
             line = line.rstrip()
             if not line or line.startswith("#"):
                 continue
-            if m := re.match(r"([A-Z][A-Z_0-9]+)=(.*)", line):
+            if m := re.match(r"([a-zA-Z_][a-zA-Z_0-9]+)=(.*)", line):
                 name, val = m.groups()
                 if val and val[0] in "\"'":
                     val = ast.literal_eval(val)