fix(ci): disable aws-chunked encoding for OSS uploads#43
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AWS CLI v2.23 enabled default integrity protections that wrap PUT bodies in aws-chunked encoding with a CRC32 trailer. Aliyun OSS rejects this (InvalidArgument: aws-chunked encoding is not supported with the specified x-amz-content-sha256 value). Set request_checksum_calculation / response_checksum_validation to when_required so the CLI only applies trailer-based checksums when an operation explicitly demands them. PUT object falls back to plain sigv4-signed bodies. Object integrity is still anchored elsewhere (SHA256 in checksums.txt verified by install.sh). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Problem
After #42 fixed virtual-hosted addressing, the next mirror run failed with:
AWS CLI v2.23 enabled default integrity protections that wrap PUT bodies in
aws-chunkedtransfer encoding with a CRC32 trailer. Aliyun OSS S3-compat doesn't accept that encoding.Fix
Set
request_checksum_calculationandresponse_checksum_validationtowhen_requiredso the CLI only adds trailer checksums when an operation requires them. PUT object reverts to plain sigv4-signed bodies that OSS accepts.Object integrity is unaffected —
install.shstill verifies SHA256 againstchecksums.txtafter download.Test plan
mirror install.shsucceeds;curl https://flashduty-public.oss-cn-beijing.aliyuncs.com/flashduty-runner/install.shreturns 200 with matching sha256.🤖 Generated with Claude Code