Your cache key is already in git's index
A content-addressed cache stands or falls on one question: how cheaply A vx cache key is an xxh3 hash, seed-chained across twelve parts: task:, workspace:, config:, upstream:, inputs:, …), and \0, so no two layouts of the same bytes can collide by Caching numbers them: The key-derivation sentinel (CACHE_VERSION), so a change to how keys are derived can never be served by an entry from before it. The task id, project#task. The workspace fingerprint: every supported workspace-level file at the ro…