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7984e4ab5c
### What? Adds `--persistent-caching` and `--cache-dir` CLI flags to `turbopack dev` and `turbopack build` in the standalone `turbopack-cli` crate. ### Why? The standalone `turbopack-cli` binary (used independently of `next`) had no way to opt into the filesystem-backed persistent cache that the `next-napi-bindings` integration already supports. Without this, repeated builds always start cold — every incremental run re-computes the full task graph from scratch. ### How? **`build.rs` (new):** A Cargo build script that uses `vergen-gitcl` to emit `VERGEN_GIT_DESCRIBE` and `VERGEN_GIT_DIRTY` as compile-time env vars. These are used to key the cache by git version, matching the same approach as `next-napi-bindings`. The build script embeds the dirty state at compile time rather than runtime to avoid a git subprocess on every startup. The dirty-state caching tradeoff (explained in the build script comment): there's a narrow edge case where the tree becomes newly dirty without triggering a Cargo rebuild, but in practice this is safe — if nothing in the crate changed, the binary is semantically equivalent to a clean build, so using the HEAD hash as the cache key is correct. **`arguments.rs`:** Two new flags on `CommonArguments` (shared by both `dev` and `build` subcommands): - `--persistent-caching` — opt-in flag to enable the filesystem cache - `--cache-dir <PATH>` — override the cache directory (defaults to `.turbopack/cache` in the project root) **`dev/mod.rs` and `build/mod.rs`:** - The `Backend` type alias changes from `TurboTasksBackend<NoopBackingStorage>` to `TurboTasksBackend<Either<TurboBackingStorage, NoopBackingStorage>>` to unify the type without dynamic dispatch. - When `--persistent-caching` is set: initializes `TurboBackingStorage` via `turbo_backing_storage()`, selects `StorageMode::ReadWriteOnShutdown` for CI/short sessions and `StorageMode::ReadWrite` for interactive dev, and prints a warning if the cache was invalidated on startup. - When not set: falls back to `noop_backing_storage()` — identical behavior to before. - Respects the `TURBO_ENGINE_READ_ONLY` env var to force read-only mode. --------- Co-authored-by: Tobias Koppers <[email protected]> Co-authored-by: Claude <[email protected]>
88 lines
2.4 KiB
TOML
88 lines
2.4 KiB
TOML
[package]
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name = "turbopack-cli"
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version = "0.1.0"
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description = "TBD"
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license = "MIT"
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edition = "2024"
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autobenches = false
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[[bin]]
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name = "turbopack-cli"
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path = "src/main.rs"
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bench = false
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[lib]
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bench = false
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[[bench]]
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name = "mod"
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harness = false
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[[bench]]
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name = "small_apps"
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harness = false
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[features]
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default = ["custom_allocator"]
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serializable = []
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tokio_console = [
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"dep:console-subscriber",
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"tokio/tracing",
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"turbo-tasks/tokio_tracing",
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]
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profile = []
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custom_allocator = ["turbo-tasks-malloc/custom_allocator"]
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[lints]
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workspace = true
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[dependencies]
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anyhow = { workspace = true }
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bincode = { workspace = true }
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clap = { workspace = true, features = ["derive", "env"] }
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console-subscriber = { workspace = true, optional = true }
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dunce = { workspace = true }
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either = { workspace = true }
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futures = { workspace = true }
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owo-colors = { workspace = true }
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rustc-hash = { workspace = true }
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serde = { workspace = true }
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swc_core = { workspace = true }
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tokio = { workspace = true, features = ["full"] }
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tracing = { workspace = true }
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tracing-subscriber = { workspace = true, features = ["json"] }
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turbo-rcstr = { workspace = true }
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turbo-tasks = { workspace = true }
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turbo-tasks-backend = { workspace = true }
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turbo-tasks-env = { workspace = true }
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turbo-unix-path = { workspace = true }
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turbo-tasks-fs = { workspace = true }
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turbo-tasks-malloc = { workspace = true, default-features = false }
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turbopack = { workspace = true }
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turbopack-browser = { workspace = true }
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turbopack-cli-utils = { workspace = true }
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turbopack-core = { workspace = true }
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turbopack-css = { workspace = true }
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turbopack-dev-server = { workspace = true }
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turbopack-ecmascript = { workspace = true }
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turbopack-ecmascript-plugins = { workspace = true, features = [
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"transform_emotion",
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] }
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turbopack-ecmascript-runtime = { workspace = true }
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turbopack-env = { workspace = true }
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turbopack-node = { workspace = true, default-features = false, features = ["process_pool"]}
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turbopack-nodejs = { workspace = true }
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turbopack-resolve = { workspace = true }
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turbopack-trace-utils = { workspace = true }
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webbrowser = { workspace = true }
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[build-dependencies]
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anyhow = { workspace = true }
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vergen-gitcl = { workspace = true }
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[dev-dependencies]
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criterion = { workspace = true, features = ["async_tokio"] }
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regex = { workspace = true }
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turbopack-bench = { workspace = true }
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turbo-tasks-malloc = { workspace = true, features = ["custom_allocator"] }
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