format with gofumpt (#18184)

* gofumpt -w -l .

* gofumpt -w -l -extra .

* Add linter

* manual fix

* change make fmt

modules/private/restore_repo.go

@@ -44,7 +44,7 @@ func RestoreRepo(ctx context.Context, repoDir, ownerName, repoName string, units
 	defer resp.Body.Close()
 
 	if resp.StatusCode != 200 {
-		var ret = struct {
+		ret := struct {
 			Err string `json:"err"`
 		}{}
 		body, err := io.ReadAll(resp.Body)