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36 lines
944 B
Markdown
36 lines
944 B
Markdown
# Rust Cache Action
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A GitHub Action that implements smart caching for rust/cargo projects with
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sensible defaults.
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## Example usage
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```yaml
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- uses: Swatinem/rust-cache@v1
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```
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### Cache Details
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The cache currently caches the following directories:
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- `~/.cargo/registry/index`
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- `~/.cargo/registry/cache`
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- `./target`
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This cache is automatically keyed by:
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- the github `job`,
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- the rustc release / host / hash, and
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- a hash of the `Cargo.lock` / `Cargo.toml` files.
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An additional input `key` can be provided if the builtin keys are not sufficient.
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Before persisting, the cache is cleaned of intermediate artifacts and
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anything that is not a workspace dependency.
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In particular, no caching of workspace crates will be done. For
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this reason, this action will automatically set `CARGO_INCREMENTAL=0` to
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disable incremental compilation.
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**TODO**: The `~/.cargo/git/db` database is not yet persisted, support will be
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added at a later point.
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