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M0.9: make release attestation qualification race-safe #12

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Merged
pgousdal merged 1 commit into from
Sep 5, 2026
Merged

M0.9: make release attestation qualification race-safe #12

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24 changes: 23 additions & 1 deletion scripts/qualify_attestations.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,8 @@ set -euo pipefail

IMAGE="${IMAGE:-ghcr.io/ploos-as/glowing-bear}"
VERSION="${VERSION:?VERSION is required}"
WAIT_ATTEMPTS="${WAIT_ATTEMPTS:-60}"
WAIT_SECONDS="${WAIT_SECONDS:-5}"

if [[ "$VERSION" == v* ]]; then
VERSION="${VERSION#v}"
Expand All @@ -17,6 +19,26 @@ primary="$IMAGE:$VERSION"
workdir="$(mktemp -d)"
trap 'rm -rf "$workdir"' EXIT

inspect_digest() {
docker buildx imagetools inspect "$1" 2>/dev/null | awk '/^Digest:/ {print $2; exit}'
}

primary_digest=""
for attempt in $(seq 1 "$WAIT_ATTEMPTS"); do
primary_digest="$(inspect_digest "$primary" || true)"
if [[ -n "$primary_digest" ]]; then
echo "Found $primary at $primary_digest (attempt $attempt/$WAIT_ATTEMPTS)"
break
fi
echo "Waiting for $primary to be published (attempt $attempt/$WAIT_ATTEMPTS)"
sleep "$WAIT_SECONDS"
done

if [[ -z "$primary_digest" ]]; then
echo "timed out waiting for $primary" >&2
exit 1
fi

index_json="$workdir/index.json"
docker buildx imagetools inspect --raw "$primary" > "$index_json"

Expand Down Expand Up @@ -107,4 +129,4 @@ while IFS=$'\t' read -r arch platform_digest; do
done < "$platform_rows"

echo "Qualified decoded SLSA provenance and SPDX SBOM payloads for $primary"
echo "M0.9 attestation verification passed for $primary"
echo "M0.9 attestation verification passed for $primary ($primary_digest)"
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