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codeload_cache_lookup

aube_store

Function codeload_cache_lookup 

Source 
pub fn codeload_cache_lookup(
    url: &str,
    commit: &str,
    integrity: Option<&str>,
) -> Option<(PathBuf, String)>
Expand description

Return the cached codeload extract for (url, commit) without touching the network. Callers should consult this before downloading a codeload tarball — once the resolver has populated the cache during BFS, the install-time materialization should reuse it instead of paying a second HTTPS round-trip only to have extract_codeload_tarball short-circuit and discard the bytes. Mirrors git_shallow_clone’s top-of-function fast path.

Returns None for any input that couldn’t possibly correspond to a cached entry — invalid URL/commit shapes, abbreviated SHAs, no resolvable cache root — so callers can chain straight into the fetch path on None without untangling an Err.