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Record attest provenance on merged commits #327

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Merged
0xLeif merged 3 commits into from
Jul 7, 2026
Merged

Record attest provenance on merged commits #327

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5576005
Add: record attest provenance on merged commits
0xLeif Jul 4, 2026
4fab4f4
Gate the attestation on every CI job, not a subset
0xLeif Jul 6, 2026
0288b34
Update: make attest note reflect full CI gating + checkout@v5
0xLeif Jul 7, 2026
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44 changes: 44 additions & 0 deletions .github/workflows/ci.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -229,3 +229,47 @@ jobs:
review-on-pr: "true"
context: ${{ steps.status.outputs.context }}
job-status: ${{ steps.status.outputs.result }}

attest:
name: Record attestation
runs-on: ubuntu-latest
# Depend on every gate job, not just a subset: an attestation records
# "proceed", so it must not sign off on a commit where any real check failed.
# (corvid-pet is a PR-comment mascot, not a gate, so it is intentionally out.)
needs: [test, fmt, audit, coverage, site, vscode-extension, validate-action, spec-check]
if: github.event_name == 'push' && github.ref == 'refs/heads/main'
# contents: write lets the step push refs/notes/attest.
permissions:
contents: write
steps:
- uses: actions/checkout@v5
# After the gates pass, record a provenance attestation on this commit and
# push it to refs/notes/attest, so spec-sync builds a trust ledger (and its
# /trust/ attest pip lights). attest ships a public Linux binary
# (checksum-verified), so no token is needed; the step is additive and
# best-effort, so a hiccup logs a warning and never fails CI.
- name: Record attestation (attest)
env:
ATTEST_VERSION: v0.5.0
run: |
base="https://github.com/CorvidLabs/attest/releases/download/${ATTEST_VERSION}"
bin="${RUNNER_TEMP}/attest"; sum="${bin}.sha256"
retry="--retry 5 --retry-connrefused --retry-delay 1"
if curl -fsSL $retry "${base}/attest-linux-x86_64" -o "$bin" \
&& curl -fsSL $retry "${base}/attest-linux-x86_64.sha256" -o "$sum" \
&& want="$(awk '{print $1}' "$sum")" && [ -n "$want" ] \
&& printf '%s %s\n' "$want" "$bin" | sha256sum -c - ; then
chmod +x "$bin"
git config user.email "github-actions[bot]@users.noreply.github.com"
git config user.name "github-actions[bot]"
git fetch origin "+refs/notes/attest:refs/notes/attest" 2>/dev/null || true
if "$bin" sign --commit HEAD --reviewer agent:ci --confidence 0.9 --tests-passed \
--verdict proceed --note "CI green: test, fmt, audit, coverage, site, vscode-extension, validate-action, spec-check" \
&& git push origin refs/notes/attest ; then
echo "attestation recorded for $(git rev-parse --short HEAD)"
else
echo "::warning::attest sign/push failed; provenance not recorded this run"
fi
else
echo "::warning::attest download/verify failed; provenance not recorded this run"
fi
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