ci: harden protoc install for Linux wheels#7149
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BubbleCal
approved these changes
Jun 8, 2026
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This PR hardens Linux wheel protoc setup after
Python Linux 3.13 ARMfailed on PR #7148 because the manylinux before-script downloaded an invalid/tmp/protoc.zip,unzipfailed inside an&&chain, andmaturin-actioncontinued until the Rust build could not findprotoc.The fix moves the protoc download into a small shared script that maps supported Linux architectures, retries invalid downloads, validates the archive with
unzip -tq, and keeps the before-script commands separate underset -euo pipefailso setup failures stop the wheel build at the right point.