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CI: cache the bindgen-cli binary instead of rebuilding it every run #14966

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Merged
reaperhulk merged 2 commits into from
Jun 7, 2026
+7 −3
Merged

CI: cache the bindgen-cli binary instead of rebuilding it every run #14966

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0eeeb97
Cache the bindgen-cli binary in CI
claude Jun 7, 2026
e2539d5
Empty commit to trigger a warm-cache CI run
claude Jun 7, 2026
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2 changes: 1 addition & 1 deletion .github/actions/cache/action.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -19,4 +19,4 @@ runs:
KEY: "${{ inputs.key }}"
- uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4 # v2.9.1
with:
key: ${{ steps.normalized-key.outputs.key }}-4
key: ${{ steps.normalized-key.outputs.key }}-5
8 changes: 6 additions & 2 deletions .github/workflows/ci.yml
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Expand Up @@ -120,8 +120,6 @@ jobs:
echo "CFLAGS=${CFLAGS} -Werror=implicit-function-declaration" >> $GITHUB_ENV
echo "RUSTFLAGS=-Clink-arg=-Wl,-rpath=${OSSL_PATH}/lib -Clink-arg=-Wl,-rpath=${OSSL_PATH}/lib64" >> $GITHUB_ENV
if: matrix.PYTHON.OPENSSL
- run: rustup run stable cargo install bindgen-cli
if: matrix.PYTHON.OPENSSL.TYPE == 'boringssl' || matrix.PYTHON.OPENSSL.TYPE == 'aws-lc'
- name: Cache rust and pip
uses: ./.github/actions/cache
timeout-minutes: 2
Expand All @@ -131,6 +129,12 @@ jobs:
# different Python versions of PyPy that share the same PyPy
# version number.
key: "${{ matrix.PYTHON.VERSION }}-${{ steps.setup-python.outputs.python-version }}-${{ matrix.PYTHON.NOXSESSION }}-${{ env.OPENSSL_HASH }}-0"
# This must run after the cache action: rust-cache prunes binaries
# that already existed in ~/.cargo/bin before it ran, so installing
# bindgen first means it never gets cached. When the cache is warm,
# cargo sees the binary is already installed and skips the build.
- run: rustup run stable cargo install bindgen-cli
if: matrix.PYTHON.OPENSSL.TYPE == 'boringssl' || matrix.PYTHON.OPENSSL.TYPE == 'aws-lc'

- run: python -m pip install -c ci-constraints-requirements.txt 'nox[uv]' 'tomli; python_version < "3.11"'
- name: Create nox environment
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