66045dd971
Introduce a two-tier cache for blob payloads backed by the foyer crate
(memory + disk). The cache is configured via CacheConfig and exposed
through src/cache/{mod,global}.rs.
Why foyer:
- HybridCache gives us bounded RAM plus disk overflow without bringing
in our own eviction / spill logic.
- The runtime-tokio feature plays cleanly with the existing tokio stack.
Touches:
- src/cache/mod.rs: CacheConfig, CacheStore, CacheKey/Value aliases,
default-into-disk fallback (CacheConfig::default)
- src/cache/global.rs: process-wide singleton accessor for the default
cache
- src/error.rs: new BabyError::Cache { op, source } variant wrapping
foyer::Error so cache failures share the existing error pipeline
- Cargo.toml: add foyer = "0.22.3" with runtime-tokio feature
- src/lib.rs: pub mod cache; (wiring only — no public API on GitBaby
changes yet)
- src/tree/types.rs: drive-by import reorder (serde before std::path)
to match rustfmt
CI: cargo build + cargo test (38 passed) green.
Skipped intentionally: no git/lfs protocol logic is added here; this
commit is purely the storage substrate.
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| src | ||
| tests | ||
| .gitignore | ||
| AGENTS.md | ||
| Cargo.lock | ||
| Cargo.toml | ||