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dmitriplotnikovdmitriplotnikov
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Internal change
PiperOrigin-RevId: 922850859
1 parent 76b61ae commit 6c2a6f0

4 files changed

Lines changed: 126 additions & 11 deletions

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‎.bazelrc‎

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Original file line numberDiff line numberDiff line change
@@ -32,3 +32,7 @@ build:windows --google_default_credentials=true
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build:macos --remote_cache=https://storage.googleapis.com/macos-cel-python-remote-cache
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build:macos --google_default_credentials=true
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# Silence deprecation warnings from external dependencies (Linux and macOS)
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build:linux --cxxopt=-Wno-deprecated-declarations
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build:macos --cxxopt=-Wno-deprecated-declarations
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‎release/kokoro/release_linux.cfg‎

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@@ -3,3 +3,8 @@
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build_file: "cel-python/release/kokoro/release_linux.sh"
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timeout_mins: 120
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container_properties {
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docker_image: "us-central1-docker.pkg.dev/kokoro-container-bakery/kokoro/ubuntu/ubuntu2204/ktcb:current"
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docker_sibling_containers: true
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}

‎release/kokoro/release_linux.sh‎

Lines changed: 107 additions & 8 deletions
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@@ -1,21 +1,104 @@
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#!/bin/bash
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# Copyright 2026 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# https://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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set -e
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# Avoid virtualenv/pip trying to download/upgrade tools from PyPI on host
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export VIRTUALENV_NO_DOWNLOAD=1
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export PIP_DISABLE_PIP_VERSION_CHECK=1
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# Pass these environment variables to the cibuildwheel Docker container
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export CIBW_ENVIRONMENT="VIRTUALENV_NO_DOWNLOAD=1 PIP_DISABLE_PIP_VERSION_CHECK=1"
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export CIBW_DEPENDENCY_VERSIONS="latest"
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# If running locally (not on Kokoro), authenticate with gcloud.
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if [ -z "${KOKORO_BUILD_ID}" ]; then
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if ! gcloud auth application-default print-access-token --quiet > /dev/null; then
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gcloud auth application-default login
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fi
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fi
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pip install -U keyring keyrings.google-artifactregistry-auth twine cibuildwheel
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# We use --no-cache-dir to force pip to download packages fresh and bypass the local
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# cache. In Kokoro/RBE sandboxed environments, writing to the default cache directory
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# (~/.cache/pip) can encounter permission/sandbox restrictions or lead to stale
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# dependency resolution. Disabling the cache ensures a reliable, reproducible install.
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pip install --no-cache-dir -U keyring keyrings.google-artifactregistry-auth twine cibuildwheel
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# Patch cibuildwheel at runtime to bypass the RBE stdout buffering deadlock.
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# The RBE proxy buffers the persistent container bash stdout. By appending a 4KB
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# padding line to the end of every command output, we force the proxy to flush the
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# buffer immediately. We then read and discard this padding to keep the stream clean.
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OCI_PATH=$(python3 -c "import cibuildwheel.oci_container; print(cibuildwheel.oci_container.__file__)")
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echo "Patching cibuildwheel at $OCI_PATH..."
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cat << 'EOF' > patch_oci.py
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import sys
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path = sys.argv[1]
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with open(path, 'r') as f:
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content = f.read()
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# 1. Force a 32KB flush at the end of every command execution
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target_write = 'printf "%04d%s\\n" $? {end_of_message}'
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replacement_write = 'printf "%04d%s\\n%32768s\\n" $? {end_of_message} " "'
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if target_write in content:
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content = content.replace(target_write, replacement_write)
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print("Patched write loop.")
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# 2. Read and discard the 4KB padding to keep the stream clean
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target_read = """ # add the last line to output, without the footer
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output_io.write(line[0:footer_offset])
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output_io.flush()
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break"""
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replacement_read = """ # add the last line to output, without the footer
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output_io.write(line[0:footer_offset])
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output_io.flush()
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# Read and discard the 4KB padding line to clear the stream!
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self.bash_stdout.readline()
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break"""
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if target_read in content:
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content = content.replace(target_read, replacement_read)
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print("Patched read loop.")
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with open(path, 'w') as f:
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f.write(content)
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print("Successfully patched oci_container.py!")
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EOF
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python3 patch_oci.py "$OCI_PATH"
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rm patch_oci.py
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# Verify that the patched file is syntactically valid Python
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echo "Verifying patched oci_container.py syntax..."
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python3 -m py_compile "$OCI_PATH" || { echo "ERROR: Patched oci_container.py is corrupted!"; exit 1; }
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REPO_DIR=""
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TMP_DIR=""
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cleanup() {
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echo "Cleaning up temporary directories..."
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[ -n "${REPO_DIR}" ] && rm -rf "${REPO_DIR}"
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[ -n "${TMP_DIR}" ] && rm -rf "${TMP_DIR}"
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}
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trap cleanup EXIT
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REPO_DIR=$(mktemp -d)
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echo "Created temporary directory: ${REPO_DIR}"
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# Ensure the temporary directory is removed on script exit
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trap 'echo "Cleaning up temporary directory: ${REPO_DIR}"; rm -rf "${REPO_DIR}"' EXIT
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if [ "${DRY_RUN}" = "true" ]; then
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echo "[DRY RUN] Using local Kokoro clone instead of cloning main."
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SRC_DIR="$(cd "$(dirname "$0")/../.." && pwd)"
@@ -40,28 +123,44 @@ fi
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VERSION=${VERSION#v}
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echo "Building release for version: ${VERSION}"
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TMP_DIR=$(mktemp -d)
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# Create the build directory inside the workspace volume (SRC_DIR)
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# instead of the ephemeral /tmp, so that the sibling container can
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# access it natively via volume propagation!
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TMP_DIR="${SRC_DIR}/build_area"
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mkdir -p "${TMP_DIR}"
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echo "Build directory: ${TMP_DIR}"
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# Add trap cleanup for TMP_DIR as well
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trap 'echo "Cleaning up temporary directories: ${REPO_DIR} ${TMP_DIR}"; rm -rf "${REPO_DIR}" "${TMP_DIR}"' EXIT
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# Force cibuildwheel to create all its temporary directories (like test_cwd)
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# inside this volume as well, avoiding any host-mount mismatches!
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export TMPDIR="${TMP_DIR}/tmp"
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mkdir -p "${TMPDIR}"
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pushd "${TMP_DIR}"
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cp -r "${SRC_DIR}"/{*,.*} . 2>/dev/null || true
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cp -r "${SRC_DIR}"/release/* . 2>/dev/null || true
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rm -rf cel_expr_python/*_test.py
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echo "Downloading bazelisk on host..."
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curl -LO https://github.com/bazelbuild/bazelisk/releases/download/v1.19.0/bazelisk-linux-amd64
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chmod +x bazelisk-linux-amd64
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# Check if pyproject.toml exists before running sed
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if [ -f pyproject.toml ]; then
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sed -i "" "s/\$VERSION/${VERSION}/g" pyproject.toml || sed -i "s/\$VERSION/${VERSION}/g" pyproject.toml
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fi
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echo "Running cibuildwheel: ${CIBWHEEL_BIN}"
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# Propagate all volume mounts from the Kokoro host container to the sibling container.
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# This allows cibuildwheel to use standard host mounts in the sandboxed RBE environment!
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export CIBW_CONTAINER_ENGINE_EXTRA_ARGS="--network=host --volumes-from=$(hostname)"
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echo "Running cibuildwheel..."
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# Default CIBWHEEL_BIN if not set
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if [ -z "${CIBWHEEL_BIN}" ]; then
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CIBWHEEL_BIN="python3 -m cibuildwheel"
64161
fi
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# Run cibuildwheel synchronously. Output goes directly to the console in real-time.
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${CIBWHEEL_BIN} --platform linux --output-dir dist
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if [ "${DRY_RUN}" = "true" ]; then

‎release/pyproject.toml‎

Lines changed: 10 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -38,13 +38,20 @@ where = ["."]
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exclude = ["codelab*", "conformance*", "custom_ext*", "release*", "testing*", "wheelhouse*"]
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[tool.cibuildwheel]
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build = "cp311-* cp312-* cp313-* cp314-*"
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skip = "*musllinux* *win32*"
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build = "cp311-*"
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#build = "cp311-* cp312-* cp313-* cp314-*"
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skip = "*musllinux* *win32* *i686*"
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test-command = "python {project}/cel_basic_test.py"
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build-verbosity = 1
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[tool.cibuildwheel.linux]
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before-all = "echo 'Installing bazelisk'; curl -LO https://github.com/bazelbuild/bazelisk/releases/download/v1.19.0/bazelisk-linux-amd64 && chmod +x bazelisk-linux-amd64 && mv bazelisk-linux-amd64 /usr/local/bin/bazel"
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manylinux-x86_64-image = "manylinux_2_28"
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# Google's internal Kokoro/RBE network uses a secure MITM proxy that resigns HTTPS
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# traffic with an internal Google CA. Since the public manylinux container does not
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# trust this CA, git fetches for external dependencies (like @cel-cpp) will fail
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# with SSL certificate errors. We disable http.sslVerify inside the container to
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# bypass this and allow Bazel to fetch SCM dependencies through the proxy.
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before-all = "git config --global http.sslVerify false && echo 'Installing bazelisk' && cp {project}/bazelisk-linux-amd64 /usr/local/bin/bazel"
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[tool.cibuildwheel.macos]
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before-all = "echo 'Installing bazelisk'; brew install bazelisk"

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