pkg/chartutil: fix SaveDir for nested templates directories

(cherry picked from commit a9c10fe1

)
Signed-off-by: Joe Lanford <joe.lanford@gmail.com>

pkg/chartutil/save.go

@@ -63,6 +63,12 @@ func SaveDir(c *chart.Chart, dest string) error {
 	// Save templates
 	for _, f := range c.Templates {
 		n := filepath.Join(outdir, f.Name)
+
+		d := filepath.Dir(n)
+		if err := os.MkdirAll(d, 0755); err != nil {
+			return err
+		}
+
 		if err := ioutil.WriteFile(n, f.Data, 0644); err != nil {
 			return err
 		}

pkg/chartutil/save_test.go

@@ -48,6 +48,9 @@ func TestSave(t *testing.T) {
 		Files: []*any.Any{
 			{TypeUrl: "scheherazade/shahryar.txt", Value: []byte("1,001 Nights")},
 		},
+		Templates: []*chart.Template{
+			{Name: "templates/scheherazade/shahryar.txt.tmpl", Data: []byte("{{ \"1,001 Nights\" }}")},
+		},
 	}
 
 	where, err := Save(c, tmp)
@@ -75,6 +78,9 @@ func TestSave(t *testing.T) {
 	if len(c2.Files) != 1 || c2.Files[0].TypeUrl != "scheherazade/shahryar.txt" {
 		t.Fatal("Files data did not match")
 	}
+	if len(c2.Templates) != 1 || c2.Templates[0].Name != "templates/scheherazade/shahryar.txt.tmpl" {
+		t.Fatal("Templates data did not match")
+	}
 }
 
 func TestSavePreservesTimestamps(t *testing.T) {
@@ -100,6 +106,9 @@ func TestSavePreservesTimestamps(t *testing.T) {
 		Files: []*any.Any{
 			{TypeUrl: "scheherazade/shahryar.txt", Value: []byte("1,001 Nights")},
 		},
+		Templates: []*chart.Template{
+			{Name: "templates/scheherazade/shahryar.txt.tmpl", Data: []byte("{{ \"1,001 Nights\" }}")},
+		},
 	}
 
 	where, err := Save(c, tmp)
@@ -171,6 +180,9 @@ func TestSaveDir(t *testing.T) {
 		Files: []*any.Any{
 			{TypeUrl: "scheherazade/shahryar.txt", Value: []byte("1,001 Nights")},
 		},
+		Templates: []*chart.Template{
+			{Name: "templates/scheherazade/shahryar.txt.tmpl", Data: []byte("{{ \"1,001 Nights\" }}")},
+		},
 	}
 
 	if err := SaveDir(c, tmp); err != nil {
@@ -191,4 +203,7 @@ func TestSaveDir(t *testing.T) {
 	if len(c2.Files) != 1 || c2.Files[0].TypeUrl != "scheherazade/shahryar.txt" {
 		t.Fatal("Files data did not match")
 	}
+	if len(c2.Templates) != 1 || c2.Templates[0].Name != "templates/scheherazade/shahryar.txt.tmpl" {
+		t.Fatal("Templates data did not match")
+	}
 }