oidc-exchange: input normalization

Signed-off-by: William Woodruff <[email protected]>

Author: woodruffw

oidc-exchange.py

@@ -25,7 +25,14 @@ def debug(msg: str):
     print(f"::debug::{msg}", file=sys.stderr)
 
 
-repository_url = os.getenv("INPUT_REPOSITORY_URL")
+def get_normalized_input(name: str) -> str | None:
+    name = f"INPUT_{name.upper()}"
+    if val := os.getenv(name):
+        return val
+    return os.getenv(name.replace("-", "_"))
+
+
+repository_url = get_normalized_input("repository-url")
 if not repository_url:
     # Easy case: no explicit repository URL, which means we're using PyPI and we can just
     # hardcode the exchange endpoint and OIDC audience.