fix: override provided via env var not working

frostming · frostming · commit e95520eb7783 · 2024-10-18T21:04:11.000+08:00
Signed-off-by: Frost Ming &lt;me@frostming.com&gt;
diff --git a/news/3182.bugfix.md b/news/3182.bugfix.md
@@ -0,0 +1 @@
+Fix a bug that overrides provided by environment variables do not work.
diff --git a/src/pdm/cli/options.py b/src/pdm/cli/options.py
@@ -513,7 +513,7 @@ def non_interactive_option(
 
 override_option = Option(
     "--override",
-    default=os.getenv("PDM_OVERRIDE"),
+    default=[env] if (env := os.getenv("PDM_OVERRIDE")) else None,
     action="append",
     help="Use the constraint file in pip-requirements format for overriding. [env var: PDM_OVERRIDE] "
     "This option can be used multiple times. "

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+Fix a bug that overrides provided by environment variables do not work.`