libimage/manifests.list.Add(): preserve artifactType when all=true

When asked to add all of the entries from one index to another, don't
forget to carry over the artifactType.

Signed-off-by: Nalin Dahyabhai <nalin@redhat.com>

common/libimage/manifests/manifests.go

@@ -663,6 +663,9 @@ func (l *list) Add(ctx context.Context, sys *types.SystemContext, ref types.Imag
 		if err != nil {
 			return "", fmt.Errorf("adding instance with digest %q: %w", *instanceInfo.instanceDigest, err)
 		}
+		if err := l.List.SetArtifactType(instanceInfo.instanceDigest, instanceInfo.ArtifactType); err != nil {
+			return "", fmt.Errorf("setting artifact manifest type for instance with digest %q: %w", *instanceInfo.instanceDigest, err)
+		}
 		if err = l.List.SetURLs(*instanceInfo.instanceDigest, instanceInfo.URLs); err != nil {
 			return "", fmt.Errorf("setting URLs for instance with digest %q: %w", *instanceInfo.instanceDigest, err)
 		}

common/libimage/manifests/manifests_test.go

@@ -816,3 +816,24 @@ func TestInstanceByImageAndFiles(t *testing.T) {
 	assert.NoError(t, err)
 	assert.ElementsMatch(t, []string{}, noFiles)
 }
+
+// TestAddIndexOfArtifacts ensures that we don't fail to preserve artifactType
+// fields in artifact manifests when added from one list to another.
+func TestAddIndexOfArtifacts(t *testing.T) {
+	ctx := context.Background()
+
+	absPath, err := filepath.Abs(filepath.Join("..", "..", "pkg", "manifests", "testdata", "artifacts", "index"))
+	require.NoError(t, err)
+	rawPath := "oci:" + absPath
+	ref, err := alltransports.ParseImageName(rawPath)
+	require.NoErrorf(t, err, "ParseImageName(%q)", rawPath)
+
+	cookedList := Create()
+	_, err = cookedList.Add(ctx, sys, ref, true)
+	assert.NoError(t, err, "list.Add()")
+
+	cooked := cookedList.OCIv1()
+	for _, instance := range cooked.Manifests {
+		assert.NotEmpty(t, instance.ArtifactType, "lost the artifactType field")
+	}
+}

common/pkg/manifests/testdata/artifacts/index/blobs/sha256/11a1bc9fb43d6791f7f881a0375f88e83b10ea1c040a8d6d986cf799bb56e981

@@ -0,0 +1,15 @@
+{
+  "layers": [
+    {
+      "digest": "sha256:541b3e9daa09b20bf85fa273e5cbd3e80185aa4ec298e765db87742b70138a53",
+      "mediaType": "application/octet-stream",
+      "size": 1000,
+      "annotations": {
+        "org.opencontainers.image.ref.name": "one-thousand"
+      }
+    }
+  ],
+  "mediaType": "application/vnd.oci.image.manifest.v1+json",
+  "artifactType": "application/vnd.reproducer+foo",
+  "schemaVersion": 2
+}

common/pkg/manifests/testdata/artifacts/index/blobs/sha256/25cb16f769a2248cde5556529b88e3cdff322dbe5c71e40cfb24030221e88b06

@@ -0,0 +1,15 @@
+{
+  "layers": [
+    {
+      "digest": "sha256:e6304a473c65ecd0ccffbd2f5925a8f51c44b11f59b66cfcc055e4bb911b8fa0",
+      "mediaType": "application/octet-stream",
+      "size": 500,
+      "annotations": {
+        "org.opencontainers.image.ref.name": "five-hundred"
+      }
+    }
+  ],
+  "mediaType": "application/vnd.oci.image.manifest.v1+json",
+  "artifactType": "application/vnd.reproducer+bar",
+  "schemaVersion": 2
+}

common/pkg/manifests/testdata/artifacts/index/blobs/sha256/74c31168f466d846e0e0cf46fc8c14e0c516500558166654fce7555682b1cba6

@@ -0,0 +1,26 @@
+{
+  "schemaVersion": 2,
+  "mediaType": "application/vnd.oci.image.index.v1+json",
+  "manifests": [
+    {
+      "mediaType": "application/vnd.oci.image.manifest.v1+json",
+      "digest": "sha256:25cb16f769a2248cde5556529b88e3cdff322dbe5c71e40cfb24030221e88b06",
+      "size": 417,
+      "platform": {
+        "architecture": "s390x",
+        "os": "linux"
+      },
+      "artifactType": "application/vnd.reproducer+bar"
+    },
+    {
+      "mediaType": "application/vnd.oci.image.manifest.v1+json",
+      "digest": "sha256:11a1bc9fb43d6791f7f881a0375f88e83b10ea1c040a8d6d986cf799bb56e981",
+      "size": 418,
+      "platform": {
+        "architecture": "ppc64le",
+        "os": "linux"
+      },
+      "artifactType": "application/vnd.reproducer+foo"
+    }
+  ]
+}

common/pkg/manifests/testdata/artifacts/index/index.json

@@ -0,0 +1,11 @@
+{
+  "schemaVersion": 2,
+  "mediaType": "application/vnd.oci.image.index.v1+json",
+  "manifests": [
+    {
+      "mediaType": "application/vnd.oci.image.index.v1+json",
+      "digest": "sha256:74c31168f466d846e0e0cf46fc8c14e0c516500558166654fce7555682b1cba6",
+      "size": 760
+    }
+  ]
+}

common/pkg/manifests/testdata/artifacts/index/oci-layout

@@ -0,0 +1,3 @@
+{
+    "imageLayoutVersion": "1.0.0"
+}