feat(ci): add mozilla sccache action#1580
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Pull request overview
This PR adds a reusable composite GitHub Action to install/configure sccache and wires it into multiple CI workflows to speed up Rust builds by caching compilation artifacts.
Changes:
- Added a composite action (
.github/actions/setup-sccache) that installssccacheand configures Rust to use it. - Inserted “Set up sccache” into the main build/test, cache-priming, benchmarks, fuzzing, coverage, and nightly workflows.
- Attempted to disable
RUSTC_WRAPPERfor Miri steps (but the current approach needs adjustment per review comments).
Reviewed changes
Copilot reviewed 10 out of 10 changed files in this pull request and generated 3 comments.
Show a summary per file
| File | Description |
|---|---|
| .github/workflows/RustNightly.yml | Adds setup-sccache to nightly workflow; attempts to disable wrapper for Miri. |
| .github/workflows/PrimeCaches.yml | Adds setup-sccache so primed caches benefit from compiler caching. |
| .github/workflows/dep_run_examples.yml | Adds setup-sccache before running examples. |
| .github/workflows/dep_fuzzing.yml | Adds setup-sccache to fuzzing workflow. |
| .github/workflows/dep_code_checks.yml | Adds setup-sccache to code-check jobs (Linux/Windows). |
| .github/workflows/dep_build_test.yml | Adds setup-sccache and adjusts Miri environment (needs fix). |
| .github/workflows/dep_build_guests.yml | Adds setup-sccache to guest build workflow. |
| .github/workflows/dep_benchmarks.yml | Adds setup-sccache to benchmarks workflow. |
| .github/workflows/Coverage.yml | Adds setup-sccache before building guests/coverage. |
| .github/actions/setup-sccache/action.yml | New composite action for installing/configuring sccache. |
Signed-off-by: Tomasz Andrzejak <andreiltd@gmail.com>
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https://github.com/marketplace/actions/sccache-action