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links: check github.com blob links through the raw host - #30
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github.com answers curl's requests for blob pages with 503 most of the time: 7 of 8 locally, and all 3 attempts for five links on every run of main on 2026-10-10, while a browser User-Agent gets 200. The raw host answers 200 for an existing file and 404 for a missing one, and a blob link claims exactly that the file exists at that ref, so the check asks raw.githubusercontent.com/<o>/<r>/<ref>/<path> (anchor and query dropped). The printed URL is still the one in the docs. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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github.com answers curl's requests for blob pages with 503 most of the time (7 of 8 locally on 2026-10-10; it turned go-ndarray/docs main red, all 3 attempts on 3 runs). The raw host answers 200 for an existing file and 404 for a missing one, which is what a blob link claims, so the check asks raw.githubusercontent.com/<o>/<r>/<ref>/<path>. Port of go-ndarray/docs#30; this site's two blob links pass today by luck. Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
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…#2) `landingkit links <built-site>` is the kit's links.yml as a tested command. github.com answers a program's request for a blob page with 503 most of the time, so a github.com/<o>/<r>/blob/<ref>/<path> link is probed at raw.githubusercontent.com/<o>/<r>/<ref>/<path>, anchor and query stripped: 200 for a file, 404 for a missing one (go-ndarray/docs#30). Tests prove an existing blob path passes and a missing one fails without asking github.com; CI runs it live on example/, which links to a blob page. workflows/links.yml is a template for landings that runs the command at the version their go.mod pins. Co-authored-by: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
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The external-link job on
mainhas been red since 2026-10-10. Fivegithub.com/go-ndarray/ndarray/blob/main/...links returned 503 on all three attempts, on three runs in a row. The files all exist.Cause: github.com serves blob pages to curl's default User-Agent with 503 most of the time. Locally it failed 7 of 8 requests, while a browser User-Agent got 200 every time. githubstatus.com reports all systems operational.
Fix: a blob link claims that a file exists at a ref, so the job now asks
raw.githubusercontent.com/<owner>/<repo>/<ref>/<path>, with the anchor and query removed. The log still prints the URL as written in the docs.Checked locally on five cases:
blob/main/BENCHMARKS.mdblob/main/docs/perf.md#anchorblob/v0.9.1/SECURITY.md?plain=1blob/main/NO_SUCH_FILE.md/security(not a blob link)The same inline checker is copied in go-fileshare/docs, the authn docs, and the landing kit's
links.yml. Those copies will hit the same 503 once they link to blob pages.🤖 Generated with Claude Code