chore: Fail fast for parts[0]

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

pkg/chart/loader/archive.go

@@ -139,6 +139,11 @@ func LoadArchiveFiles(in io.Reader) ([]*BufferedFile, error) {
 		}
 
 		parts := strings.Split(hd.Name, delimiter)
+
+		if parts[0] == "Chart.yaml" {
+			return nil, errors.New("chart yaml not in base directory")
+		}
+
 		n := strings.Join(parts[1:], delimiter)
 
 		// Normalize the path to the / delimiter
@@ -165,10 +170,6 @@ func LoadArchiveFiles(in io.Reader) ([]*BufferedFile, error) {
 			return nil, errors.New("chart contains illegally named files")
 		}
 
-		if parts[0] == "Chart.yaml" {
-			return nil, errors.New("chart yaml not in base directory")
-		}
-
 		if _, err := io.Copy(b, tr); err != nil {
 			return nil, err
 		}