Module hash 

Enums

HashError

Functions

expand_short_hash

Expand a short hash (typically 8 chars) to a full 40-char hash by prefix-matching against a list of candidates.

is_valid_hex_hash

Check if a string is a valid 40-character lowercase hex hash.

normalize_commit_ref

Strip the GitHub commit URL prefix if present. https://github.com/owner/repo/commit/abc123... → abc123...

strip_carriage_returns

Strip carriage returns from a string.