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Greptile Summary

This PR removes the redundant alias-to-canonical rewriting (tgz → tar.gz, txz → tar.xz, tbz/tbz2 → tar.bz2) from two sites in crates/aqua-registry/src/types.rs. The transformation is unnecessary because ExtractionFormat::from_ext in src/file.rs already recognises these aliases through strum serialize attributes and maps them to the correct enum variants at extraction time.

• detect_format: the five-arm match is replaced with a direct return format, letting the caller's ExtractionFormat::from_ext handle alias resolution.
• format(): the explicit-format match block is replaced with &self.format, preserving the aqua-registry literal string all the way to effective_extraction_format, which correctly calls from_ext.
• Two new unit tests (test_format_detects_literal_aqua_aliases, test_format_preserves_explicit_aqua_aliases) document and lock in the expected pass-through behaviour.

Confidence Score: 5/5

Safe to merge — the deleted code was purely redundant; ExtractionFormat::from_ext handles the aliases identically downstream.

The deleted match arms and their replacements are functionally equivalent end-to-end. The strum serialize attributes on ExtractionFormat (tgz → TarGz, txz → TarXz, tbz/tbz2 → TarBz2) were already the canonical mapping path used by every other caller of from_ext, so removing the pre-normalization in types.rs changes nothing observable. The two new tests directly verify both the detected and explicit-format paths.

No files require special attention.

Important Files Changed

_{Reviews (1): Last reviewed commit: "refactor(aqua): stop canonicalizing arch..." | Re-trigger Greptile}