ci: make musl toolchain/zlib downloads resilient to musl.cc outages#148
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rahlk merged 1 commit intoJun 8, 2026
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The musllinux legs failed with 'Failed to connect to musl.cc port 443: Connection timed out'. musl.cc is chronically flaky. Download the musl toolchain from a GitHub-hosted mirror (musl-cc/musl.cc) first, falling back to musl.cc; do the same for zlib (madler/zlib release, then zlib.net, then zlib.net/fossils). Add curl --retry with a connect timeout. Avoids --retry-all-errors since the manylinux_2_28 container's curl 7.61 predates it. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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This was referenced Jun 8, 2026
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Follow-up to #147 (which merged before this commit landed).
Why
The
musllinux-x86_64/musllinux-aarch64legs of the first release run failed at Set up musl toolchain:musl.ccis chronically unreliable.What
setup-musl.shnow downloads via afetch()helper that tries mirrors in order withcurl --retry:musl-cc/musl.ccGitHub release (reliable from CI) →musl.cc. The mirror is byte-for-byte the same-native.tgzlayout, so--strip-components=1, theCCname, and PATH are unchanged.madler/zlibGitHub release →zlib.net→zlib.net/fossils.Avoids
--retry-all-errorson purpose: themanylinux_2_28container ships curl 7.61, which predates that flag.These legs remain
experimental: true/continue-on-error— a flaky upstream shouldn't block a PyPI release.🤖 Generated with Claude Code