Add .tar.gz / .tgz archive support for extension, preset, and workflow installation#2395

Open

Copilot wants to merge 11 commits intomainfrom

copilot/add-tar-gz-support

Commits on May 6, 2026

Address Copilot PR review: reject unknown archive formats, fix case-sensitive check
mnriem
committed
Fix IOError messages, close tf.extractfile() handles, mention .tgz in error messages

Copilot
and
mnriem
authored
Catch TarError/OSError in _safe_extract_tarball; rename zip_path to archive_path in extension_update

Copilot
and
mnriem
authored
Fix path traversal risk in extension URL download filename; fix redundant except clause

Copilot
and
mnriem
authored
Fix arc_tmp_path UnboundLocalError in workflow install; add preset symlink rejection test

Copilot
and
mnriem
authored