Fixing issue where helm show all fails to show crds when no readme

Closes #10058

Signed-off-by: Matt Farina <matt.farina@suse.com>

pkg/action/show.go

@@ -109,14 +109,13 @@ func (s *Show) Run(chartpath string) (string, error) {
 	}
 
 	if s.OutputFormat == ShowReadme || s.OutputFormat == ShowAll {
-		if s.OutputFormat == ShowAll {
-			fmt.Fprintln(&out, "---")
-		}
 		readme := findReadme(s.chart.Files)
-		if readme == nil {
+		if readme != nil {
-			return out.String(), nil
+			if s.OutputFormat == ShowAll {
+				fmt.Fprintln(&out, "---")
+			}
+			fmt.Fprintf(&out, "%s\n", readme.Data)
 		}
-		fmt.Fprintf(&out, "%s\n", readme.Data)
 	}
 
 	if s.OutputFormat == ShowCRDs || s.OutputFormat == ShowAll {

pkg/action/show_test.go

@@ -120,3 +120,33 @@ bar
 		t.Errorf("Expected\n%q\nGot\n%q\n", expect, output)
 	}
 }
+
+func TestShowNoReadme(t *testing.T) {
+	client := NewShow(ShowAll)
+	client.chart = &chart.Chart{
+		Metadata: &chart.Metadata{Name: "alpine"},
+		Files: []*chart.File{
+			{Name: "crds/ignoreme.txt", Data: []byte("error")},
+			{Name: "crds/foo.yaml", Data: []byte("---\nfoo\n")},
+			{Name: "crds/bar.json", Data: []byte("---\nbar\n")},
+		},
+	}
+
+	output, err := client.Run("")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	expect := `name: alpine
+
+---
+foo
+
+---
+bar
+
+`
+	if output != expect {
+		t.Errorf("Expected\n%q\nGot\n%q\n", expect, output)
+	}
+}