kubectl apply -f https://storage.googleapis.com/tekton-releases/pipeline/previous/v0.30.4/release.yaml

REKOR_UUID=08691ed5de578de9fb4570c5dd4f7c0e3ee061dc7f34f708de8b276bc9377744
rekor-cli get --uuid $REKOR_UUID --format json | jq -r .Attestation | base64 --decode | jq

RELEASE_FILE=https://storage.googleapis.com/tekton-releases/pipeline/previous/v0.30.4/release.yaml
REKOR_UUID=08691ed5de578de9fb4570c5dd4f7c0e3ee061dc7f34f708de8b276bc9377744

# Obtains the list of images with sha from the attestation
REKOR_ATTESTATION_IMAGES=$(rekor-cli get --uuid "$REKOR_UUID" --format json | jq -r .Attestation | base64 --decode | jq -r '.subject[]|.name + ":v0.30.4@sha256:" + .digest.sha256')

# Download the release file
curl "$RELEASE_FILE" > release.yaml

# For each image in the attestation, match it to the release file
for image in $REKOR_ATTESTATION_IMAGES; do
  printf $image; grep -q $image release.yaml && echo " ===> ok" || echo " ===> no match";
done