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tools: limit checkout for lint-cpp #66474

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6 changes: 6 additions & 0 deletions .github/workflows/linters.yml
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Expand Up @@ -41,6 +41,12 @@ jobs:
- uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
with:
persist-credentials: false
# Skip large vendored trees that lint-cpp does not use.
sparse-checkout: |
/*
!/deps/openssl/
!/deps/v8/
Comment on lines +47 to +48

@inoway46 inoway46 Oct 3, 2026

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A checkout limited to the directories needed by lint-cpp would retain about 103 MB and exclude 600 MB:

Exclusion candidate Size (uncompressed)
deps/openssl/ 241.9 MB
deps/v8/ 191.8 MB
deps/icu-small/ 33.2 MB
deps/crates/ 25.7 MB
deps/LIEF/ 16.9 MB
deps/npm/ 14.8 MB
deps/perfetto/ 11.3 MB
deps/simdjson/ 10.5 MB
deps/sqlite/ 10.2 MB
deps/ngtcp2/ 6.4 MB
Other files 37.5 MB
Total 600.3 MB

This PR excludes only V8 and OpenSSL: 434 MB, or 72% of the potential reduction. Keeping the list short reduces maintenance risk: if an excluded directory later becomes a lint input, Makefile's wildcard could silently skip it.

sparse-checkout-cone-mode: false
- name: Set up Python ${{ env.PYTHON_VERSION }}
uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
with:
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