fix: override provided via env var not working

Signed-off-by: Frost Ming <[email protected]>
pdm-project · Oct 18, 2024 · e95520e · e95520e
1 parent 21c5aa9
commit e95520e
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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. "