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M11.5b: support historical release re-audit #7

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Merged
pgousdal merged 3 commits into from
Sep 5, 2026
Merged

M11.5b: support historical release re-audit #7

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79530b3
M11.5b: support historical release audit verification
pgousdal Sep 5, 2026
22be671
M11.5b: allow historical release audit checkout
pgousdal Sep 5, 2026
5942b3e
M11.5b: test historical release audit mode
pgousdal Sep 5, 2026
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12 changes: 12 additions & 0 deletions .github/workflows/ci.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -46,6 +46,18 @@ jobs:
exit 1
fi

historical_sha="$(git rev-parse HEAD~1)"
git tag v0.0.0-m11.5b "$historical_sha"
if sh scripts/verify-release-ref.sh v0.0.0-m11.5b "$historical_sha"; then
echo "historical release unexpectedly accepted in strict mode" >&2
exit 1
fi
sh scripts/verify-release-ref.sh v0.0.0-m11.5b "$historical_sha" --allow-head-mismatch-for-audit
if sh scripts/verify-release-ref.sh v0.0.0-m11.5b "$historical_sha" --unknown-mode; then
echo "unknown verification mode unexpectedly accepted" >&2
exit 1
fi

- name: Verify exact-digest policy
run: |
digest="sha256:$(printf '%064d' 0)"
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6 changes: 5 additions & 1 deletion .github/workflows/post-release-audit.yml
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Expand Up @@ -53,7 +53,11 @@ jobs:
fi
[[ -n "$tag" ]]
tag_commit="$(git rev-list -n 1 "$tag")"
sh scripts/verify-release-ref.sh "$tag" "$tag_commit"
if [[ -n "$INPUT_TAG" ]]; then
sh scripts/verify-release-ref.sh "$tag" "$tag_commit" --allow-head-mismatch-for-audit
else
sh scripts/verify-release-ref.sh "$tag" "$tag_commit"
fi
release_json="$(gh release view "$tag" --repo "$GITHUB_REPOSITORY" --json tagName,isDraft,isPrerelease)"
jq -e --arg tag "$tag" '.tagName == $tag and .isDraft == false' <<<"$release_json" >/dev/null
if [[ -n "$PRODUCER_SHA" ]]; then
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23 changes: 17 additions & 6 deletions scripts/verify-release-ref.sh
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Expand Up @@ -3,12 +3,21 @@ set -eu

tag=${1:-${GITHUB_REF_NAME:-}}
expected_sha=${2:-${GITHUB_SHA:-}}
mode=${3:-strict}

if [ -z "$tag" ] || [ -z "$expected_sha" ]; then
echo "usage: verify-release-ref.sh <tag> <expected-commit-sha>" >&2
echo "usage: verify-release-ref.sh <tag> <expected-commit-sha> [--allow-head-mismatch-for-audit]" >&2
exit 2
fi

case "$mode" in
strict|--allow-head-mismatch-for-audit) ;;
*)
echo "invalid verification mode: $mode" >&2
exit 2
;;
esac

if ! printf '%s\n' "$tag" | grep -Eq '^v(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)(-[0-9A-Za-z-]+(\.[0-9A-Za-z-]+)*)?(\+[0-9A-Za-z-]+(\.[0-9A-Za-z-]+)*)?$'; then
echo "invalid release tag: $tag" >&2
exit 1
Expand All @@ -24,10 +33,12 @@ if [ "$actual_sha" != "$expected_sha" ]; then
exit 1
fi

head_sha=$(git rev-parse HEAD)
if [ "$head_sha" != "$expected_sha" ]; then
echo "checkout/commit mismatch: HEAD=$head_sha expected=$expected_sha" >&2
exit 1
if [ "$mode" = "strict" ]; then
head_sha=$(git rev-parse HEAD)
if [ "$head_sha" != "$expected_sha" ]; then
echo "checkout/commit mismatch: HEAD=$head_sha expected=$expected_sha" >&2
exit 1
fi
fi

printf 'release ref verified: tag=%s commit=%s\n' "$tag" "$expected_sha"
printf 'release ref verified: tag=%s commit=%s mode=%s\n' "$tag" "$expected_sha" "$mode"
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