wheels: fetch bison from a mirror, not only ftp.gnu.org - #130
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Both Linux wheel jobs failed the v0.51.3 release twice in a row with `curl: (7) Failed to connect to ftp.gnu.org port 443: Connection timed out`, on x86_64 and aarch64 alike. ftp.gnu.org is unreachable, and it was the sole source for the bison 3.8.2 tarball every Linux wheel needs (manylinux_2_28's AppStream only has 3.0.4; the grammar wants 3.8). Try ftpmirror.gnu.org (GNU's own redirector to a nearby mirror), then mirrors.kernel.org, then ftp.gnu.org last. Each gets --retry 3 --retry-all-errors and a 20s connect timeout so a slow mirror fails over instead of hanging. The folded `>-` scalar needs every line at one indent: a more-indented line keeps its newline instead of folding to a space, which would split a URL from its curl. Verified the parsed value contains zero newlines, and ran the resulting one-liner end to end (downloads and extracts). No version bump: 0.51.3 has not shipped, so this is part of it. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
CLAUDE.md requires uv.lock's own self-version to track pyproject.toml on every bump. It had drifted 14 releases behind, unnoticed because nothing reads it during a wheel build. Noticed when a `uv run` re-locked it. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
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Problem
Both Linux wheel jobs failed the v0.51.3 release twice in a row, on x86_64 and aarch64 alike:
ftp.gnu.orgis unreachable (confirmed from a dev machine too, not just the runners), and it was the sole source for the bison 3.8.2 tarball every Linux wheel needs — manylinux_2_28's AppStream only ships 3.0.4, and the parser's grammar requires%require "3.8".macOS, Windows and sdist all passed; they get bison from brew/msys2.
Fix
Try mirrors in order,
ftp.gnu.orglast:ftpmirror.gnu.org— GNU's own redirector to a nearby mirrormirrors.kernel.orgftp.gnu.orgEach gets
--retry 3 --retry-all-errorsand--connect-timeout 20, so a slow or dead mirror fails over rather than hanging.The YAML trap
In a
>-folded scalar, a line indented more than the first keeps its newline instead of folding to a space — which would split a URL from itscurl. Every line therefore stays at one indent, with a comment saying why.Verified rather than assumed:
Version
No bump: 0.51.3 has not shipped, so this is part of it.
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