fix(repodb): GQL request for ExpandedRepoInfo errors when artifacts with tags are present (#1265)

If we push an artifact and give it a tag, repodb would crash because of the null pointer dereferencing

Now when iterating over the tags of a repo and stumbling upon a unsupported media type, it's being ignored

Signed-off-by: Laurentiu Niculae <niculae.laurentiu1@gmail.com>

pkg/test/common.go

@@ -958,19 +958,22 @@ func DeleteImage(repo, reference, baseURL string) (int, error) {
 }
 
 // UploadArtifactManifest is used in tests where we don't need to upload the blobs of the artifact.
-func UploadArtifactManifest(artifactManifest *ispec.Artifact, baseURL, repo string) error {
+func UploadArtifactManifest(artifactManifest *ispec.Artifact, ref *string, baseURL, repo string) error {
 	// put manifest
 	artifactManifestBlob, err := json.Marshal(artifactManifest)
 	if err != nil {
 		return err
 	}
+	reference := godigest.FromBytes(artifactManifestBlob).String()
 
-	artifactManifestDigest := godigest.FromBytes(artifactManifestBlob)
+	if ref != nil {
+		reference = *ref
+	}
 
 	_, err = resty.R().
 		SetHeader("Content-type", ispec.MediaTypeArtifactManifest).
 		SetBody(artifactManifestBlob).
-		Put(baseURL + "/v2/" + repo + "/manifests/" + artifactManifestDigest.String())
+		Put(baseURL + "/v2/" + repo + "/manifests/" + reference)
 
 	return err
 }

pkg/test/common_test.go

@@ -241,7 +241,7 @@ func TestUploadArtifact(t *testing.T) {
 
 		artifact := ispec.Artifact{}
 
-		err := test.UploadArtifactManifest(&artifact, baseURL, "test")
+		err := test.UploadArtifactManifest(&artifact, nil, baseURL, "test")
 		So(err, ShouldNotBeNil)
 	})
 }