version=4
# Follow Python releases; rs-* tags use an independent Rust crate version.
opts="filenamemangle=s%.*?/py-(\d[\d.]*)\.tar\.gz%polars-$1.tar.gz%" \
 https://github.com/pola-rs/polars/tags \
 (?:.*?/)?py-(\d[\d.]*)\.tar\.gz
