dist: add directories to tar

server_apps.go

@@ -139,6 +139,8 @@ func (s *server) targzApp(ctx context.Context, name, pathInRepo, repo string, ob
 	buf := bytes.NewBuffer(nil)
 	gz := gzip.NewWriter(buf)
 	t := tar.NewWriter(gz)
+
+	directories := make(map[string]bool)
 	for {
 		f, err := fi.Next()
 		if err == io.EOF {
@@ -160,10 +162,31 @@ func (s *server) targzApp(ctx context.Context, name, pathInRepo, repo string, ob
 		p := f.Name[len(prefix):]
 		prefix = strings.ReplaceAll(repo, "/", "-")
 		outPath := path.Join(prefix, p)
+
+		dirs, _ := path.Split(outPath)
+		if dirs != "" {
+			parts := strings.Split(dirs, "/")
+			cur := parts[0]
+			for i := 1; i < len(parts); i++ {
+				cur += parts[i]
+				if !directories[cur] {
+					directories[cur] = true
+					err = t.WriteHeader(&tar.Header{
+						Name:     cur,
+						Typeflag: tar.TypeDir,
+						Mode:     0755,
+					})
+					if err != nil {
+						return nil, fmt.Errorf("CreateDir(%q): %w", cur, err)
+					}
+				}
+			}
+		}
 		err = t.WriteHeader(&tar.Header{
 			Name:     outPath,
 			Typeflag: tar.TypeReg,
 			Size:     f.Size,
+			Mode:     0644,
 		})
 		if err != nil {
 			return nil, fmt.Errorf("Create(%q): %w", outPath, err)