docs(merge-strategy): CodeQL default setup never analyzes fork PRs - #163
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Default setup's Analyze contexts, required in classic branch protection, never report on a fork PR head — the PR sits BLOCKED with every visible gate green, and neither the rules endpoint (classic protection is invisible there) nor the rollup (the contexts are absent, not red) names the cause. Documents the GraphQL isRequired diagnosis, the helper-branch workaround that shares the head SHA, and the durable fix of switching to an advanced-setup codeql.yml whose Analyze job matrix reproduces the required context names — including the disable-default-setup-first ordering, without which SARIF uploads are refused. Observed and fixed 2026-08-26 on netresearch/git-workflow-skill (#226, #237, #240). Assisted-by: claude-code:claude-fable-5 Agent-Session: https://claude.ai/code/session_01C7S9rbgu5giqCwnzwafrHA Agent-Host: 0493f0 Signed-off-by: Sebastian Mendel <github@sebastianmendel.de>
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Self-review: 2715709 The review this pull request demands is unsatisfiable (Copilot quota wall or repeated bot failures on this head). Per the documented fallback, the diff on this head was reviewed by the PR author; this comment is the on-the-record attestation the merge gate reads back. It stops matching on the next push. |
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New troubleshooting section beside the existing default-setup wedge case, from a /retro of today's session: CodeQL default setup does not analyze fork PRs, so where its
Analyzecontexts are required (typically in classic branch protection, invisible to the rules endpoint), every fork PR sits BLOCKED with all visible gates green. Covers the GraphQLisRequireddiagnosis, the helper-branch workaround (identical head SHA in the base repo dispatches the contexts), and the durable fix — an advanced-setupcodeql.ymlwhose Analyze job matrix reproduces the required context names, with the disable-default-setup-first ordering that SARIF uploads demand.Observed and fixed on netresearch/git-workflow-skill today: #226 (the blocked fork PR), #237 (the diagnosis), #240 (the fix).
Assisted by claude-code:claude-fable-5 — Session