format with gofumpt (#18184)

* gofumpt -w -l .

* gofumpt -w -l -extra .

* Add linter

* manual fix

* change make fmt

modules/private/mail.go

@@ -50,7 +50,7 @@ func SendEmail(ctx context.Context, subject, message string, to []string) (int,
 		return http.StatusInternalServerError, fmt.Sprintf("Response body error: %v", err.Error())
 	}
 
-	var users = fmt.Sprintf("%d", len(to))
+	users := fmt.Sprintf("%d", len(to))
 	if len(to) == 0 {
 		users = "all"
 	}

modules/private/manager.go

@@ -170,7 +170,6 @@ func AddLogger(ctx context.Context, group, name, mode string, config map[string]
 	}
 
 	return http.StatusOK, "Added"
-
 }
 
 // RemoveLogger removes a logger

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)

modules/private/serv.go

@@ -106,5 +106,4 @@ func ServCommand(ctx context.Context, keyID int64, ownerName, repoName string, m
 		return nil, err
 	}
 	return &results, nil
-
 }