feat(oci): oci helm support [r8s-361] (#787)

pkg/libhelm/options/chart_reference.go

@@ -0,0 +1,38 @@
+package options
+
+import (
+	"strings"
+)
+
+const (
+	// OCIProtocolPrefix is the standard OCI protocol prefix
+	OCIProtocolPrefix = "oci://"
+)
+
+// ConstructChartReference constructs the appropriate chart reference based on registry type
+func ConstructChartReference(registryURL string, chartName string) string {
+	if registryURL == "" {
+		return chartName
+	}
+
+	// Don't double-prefix if chart already contains the registry URL
+	if strings.HasPrefix(chartName, OCIProtocolPrefix) {
+		return chartName
+	}
+
+	baseURL := ConstructOCIRegistryReference(registryURL)
+
+	// Handle cases where chartName might already have a path separator
+	if strings.HasPrefix(chartName, "/") {
+		return baseURL + chartName
+	}
+
+	return baseURL + "/" + chartName
+}
+
+func ConstructOCIRegistryReference(registryURL string) string {
+	// Remove oci:// prefix if present to avoid duplication
+	registryURL = strings.TrimPrefix(registryURL, OCIProtocolPrefix)
+	// Ensure we have oci:// prefix for OCI registries
+	return OCIProtocolPrefix + registryURL
+}