refactor: in ensureMissingRepos, use the alias (when present) as the key

Signed-off-by: Tarek Marcé <tarek.marce@free.fr>

pkg/downloader/manager.go

@@ -506,6 +506,10 @@ func (m *Manager) ensureMissingRepos(repoNames map[string]string, deps []*chart.
 	var ru []*repo.Entry
 
 	for _, dd := range deps {
+		chartName := dd.Name
+		if dd.Alias != "" {
+			chartName = dd.Alias
+		}
 
 		// If the chart is in the local charts directory no repository needs
 		// to be specified.
@@ -514,7 +518,7 @@ func (m *Manager) ensureMissingRepos(repoNames map[string]string, deps []*chart.
 		}
 
 		// When the repoName for a dependency is known we can skip ensuring
-		if _, ok := repoNames[dd.Name]; ok {
+		if _, ok := repoNames[chartName]; ok {
 			continue
 		}
 
@@ -530,7 +534,7 @@ func (m *Manager) ensureMissingRepos(repoNames map[string]string, deps []*chart.
 		}
 		rn = managerKeyPrefix + rn
 
-		repoNames[dd.Name] = rn
+		repoNames[chartName] = rn
 
 		// Assuming the repository is generally available. For Helm managed
 		// access controls the repository needs to be added through the user