Remove attestationSubjects

src/attest.ts

@@ -8,7 +8,6 @@ const OCI_RETRY = 3
 export type SigstoreInstance = 'public-good' | 'github'
 export type AttestResult = Attestation & {
   attestationDigest?: string
-  attestationSubjects: Subject[]
 }
 
 export const createAttestation = async (
@@ -29,10 +28,7 @@ export const createAttestation = async (
     token: opts.githubToken
   })
 
-  const result: AttestResult = {
-    ...attestation,
-    attestationSubjects: subjects
-  }
+  const result: AttestResult = attestation
 
   if (subjects.length === 1 && opts.pushToRegistry) {
     const subject = subjects[0]

src/main.ts

@@ -13,6 +13,8 @@ import {
   subjectFromInputs
 } from './subject'
 
+import type { Subject } from '@actions/attest'
+
 const ATTESTATION_FILE_NAME = 'attestation.json'
 
 export type RunInputs = SubjectInputs &
@@ -84,7 +86,7 @@ export async function run(inputs: RunInputs): Promise<void> {
     }
 
     for (const att of atts) {
-      logAttestation(att, sigstoreInstance)
+      logAttestation(subjects, att, sigstoreInstance)
 
       // Write attestation bundle to output file
       fs.writeFileSync(outputPath, JSON.stringify(att.bundle) + os.EOL, {
@@ -124,10 +126,10 @@ export async function run(inputs: RunInputs): Promise<void> {
 
 // Log details about the attestation to the GitHub Actions run
 const logAttestation = (
+  subjects: Subject[],
   attestation: AttestResult,
   sigstoreInstance: SigstoreInstance
 ): void => {
-  const subjects = attestation.attestationSubjects
   if (subjects.length === 1) {
     core.info(
       `Attestation created for ${subjects[0].name}@${formatSubjectDigest(subjects[0])}`