separate repository name from chart name

Signed-off-by: Matthew Fisher <matt.fisher@microsoft.com>

pkg/chart/dependency.go

@@ -26,6 +26,8 @@ type Dependency struct {
 	//
 	// This must mach the name in the dependency's Chart.yaml.
 	Name string `json:"name"`
+	// The URL to the OCI registry.
+	Repository string `json:"repository"`
 	// Version is the version (range) of this chart.
 	//
 	// A lock file will always produce a single version, while a dependency

pkg/downloader/manager.go

@@ -184,7 +184,7 @@ func (m *Manager) downloadAll(deps []*chart.Dependency) error {
 
 		fmt.Fprintf(m.Out, "Downloading %s\n", dep.Name)
 
-		ref, err := repo.ParseNameTag(dep.Name, dep.Version)
+		ref, err := repo.ParseRepoNameTag(dep.Repository, dep.Name, dep.Version)
 		if err != nil {
 			saveError = errors.Wrapf(err, "could not parse dependency %q", dep.Name)
 			break

pkg/repo/reference.go

@@ -17,6 +17,8 @@ limitations under the License.
 package repo // import "helm.sh/helm/pkg/repo"
 
 import (
+	"path"
+
 	"github.com/containerd/containerd/reference"
 )
 
@@ -28,3 +30,12 @@ func ParseNameTag(name, tag string) (reference.Spec, error) {
 	}
 	return reference.Parse(s)
 }
+
+// ParseRepoNameTag converts a name and a version to a reference
+func ParseRepoNameTag(repo, name, tag string) (reference.Spec, error) {
+	s := path.Join(repo, name)
+	if tag != "" {
+		s += ":" + tag
+	}
+	return reference.Parse(s)
+}