fix(repo/v1): suppress fallback warning when no version is specified

pkg/repo/v1/index.go

@@ -200,29 +200,39 @@ func (i IndexFile) Get(name, version string) (*ChartVersion, error) {
 	}
 
 	// when customer inputs specific version, check whether there's an exact match first
-	if len(version) != 0 {
+	// Check exact match first
+if version != "" {
     for _, ver := range vs {
         if version == ver.Version {
             return ver, nil
         }
     }
-	}
+}
 
-	for _, ver := range vs {
+// Find closest match
+for _, ver := range vs {
     test, err := semver.NewVersion(ver.Version)
     if err != nil {
         continue
     }
 
     if constraint.Check(test) {
-			slog.Warn("unable to find exact version; falling back to closest available version", "chart", name, "requested", version, "selected", ver.Version)
+        // Only warn if a specific version was requested
-			return ver, nil
+        if version != "" {
+            slog.Warn(
+                "unable to find exact version; falling back to closest available version",
+                "chart", name,
+                "requested", version,
+                "selected", ver.Version)
         }
+        return ver, nil
     }
-	return nil, fmt.Errorf("no chart version found for %s-%s", name, version)
 }
 
-// WriteFile writes an index file to the given destination path.
+// No match found at all
+return nil, fmt.Errorf("no chart version found for %s-%s", name, version)
+}
+//ile writes an index file to the given destination path.
 //
 // The mode on the file is set to 'mode'.
 func (i IndexFile) WriteFile(dest string, mode os.FileMode) error {