do not set default provenance if user wants to load the image

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

src/context.ts

@@ -165,7 +165,10 @@ async function getBuildArgs(inputs: Inputs, defaultContext: string, context: str
     const prvBuilderID = `${process.env.GITHUB_SERVER_URL || 'https://github.com'}/${github.context.repo.owner}/${github.context.repo.repo}/actions/runs/${github.context.runId}`;
     if (inputs.provenance) {
       args.push('--provenance', getProvenanceAttrs(inputs.provenance, prvBuilderID));
-    } else if (await buildx.satisfiesBuildKitVersion(inputs.builder, '>=0.11.0', standalone)) {
+    } else if ((await buildx.satisfiesBuildKitVersion(inputs.builder, '>=0.11.0', standalone)) && !inputs.load) {
+      // if provenance not specified and BuildKit version compatible for
+      // attestation, set default provenance. Also needs to make sure user
+      // doesn't want to explicitly load the image.
       if (fromPayload('repository.private') !== false) {
         // if this is a private repository, we set the default provenance
         // attributes being set in buildx: https://github.com/docker/buildx/blob/fb27e3f919dcbf614d7126b10c2bc2d0b1927eb6/build/build.go#L603