From 60a047b675dcd569a14343170f7b453f338f3235 Mon Sep 17 00:00:00 2001
From: Brian DeHamer <bdehamer@github.com>
Date: Thu, 10 Apr 2025 10:34:15 -0700
Subject: [PATCH] oci compat mode input arg

Signed-off-by: Brian DeHamer <bdehamer@github.com>
---
 src/attest.ts | 2 ++
 src/index.ts  | 3 +++
 src/main.ts   | 4 +++-
 3 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/attest.ts b/src/attest.ts
index 3b59cdb..d2f383a 100644
--- a/src/attest.ts
+++ b/src/attest.ts
@@ -17,6 +17,7 @@ export const createAttestation = async (
     sigstoreInstance: SigstoreInstance
     pushToRegistry: boolean
     githubToken: string
+    ociCompatMode: boolean
   }
 ): Promise<AttestResult> => {
   // Sign provenance w/ Sigstore
@@ -43,6 +44,7 @@ export const createAttestation = async (
         'dev.sigstore.bundle.content': 'dsse-envelope',
         'dev.sigstore.bundle.predicateType': predicate.type
       },
+      compatibility: opts.ociCompatMode,
       fetchOpts: { timeout: OCI_TIMEOUT, retry: OCI_RETRY }
     })
 
diff --git a/src/index.ts b/src/index.ts
index a4de2b8..6e19911 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -18,6 +18,9 @@ const inputs: RunInputs = {
   // undocumented -- not part of public interface
   privateSigning: ['true', 'True', 'TRUE', '1'].includes(
     core.getInput('private-signing')
+  ),
+  ociCompatMode: ['true', 'True', 'TRUE', '1'].includes(
+    core.getInput('oci-compatibility-mode')
   )
 }
 
diff --git a/src/main.ts b/src/main.ts
index fcc5c93..21fd411 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -23,6 +23,7 @@ export type RunInputs = SubjectInputs &
     githubToken: string
     showSummary: boolean
     privateSigning: boolean
+    ociCompatMode: boolean
   }
 
 /* istanbul ignore next */
@@ -68,7 +69,8 @@ export async function run(inputs: RunInputs): Promise<void> {
     const att = await createAttestation(subjects, predicate, {
       sigstoreInstance,
       pushToRegistry: inputs.pushToRegistry,
-      githubToken: inputs.githubToken
+      githubToken: inputs.githubToken,
+      ociCompatMode: inputs.ociCompatMode
     })
 
     logAttestation(subjects, att, sigstoreInstance)