// Copyright 2021 The Gitea Authors. All rights reserved.// SPDX-License-Identifier: MIT package db import (	"fmt" 	"forgejo.org/modules/util") // ErrCancelled represents an error due to context cancellationtype ErrCancelled struct {	Message string} // IsErrCancelled checks if an error is a ErrCancelled.func IsErrCancelled(err error) bool {	_, ok := err.(ErrCancelled)	return ok} func (err ErrCancelled) Error() string {	return "Cancelled: " + err.Message} // ErrCancelledf returns an ErrCancelled for the provided format and argsfunc ErrCancelledf(format string, args ...any) error {	return ErrCancelled{		fmt.Sprintf(format, args...),	}} // ErrSSHDisabled represents an "SSH disabled" error.type ErrSSHDisabled struct{} // IsErrSSHDisabled checks if an error is a ErrSSHDisabled.func IsErrSSHDisabled(err error) bool {	_, ok := err.(ErrSSHDisabled)	return ok} func (err ErrSSHDisabled) Error() string {	return "SSH is disabled"} // ErrNotExist represents a non-exist error.type ErrNotExist struct {	Resource string	ID       int64} // IsErrNotExist checks if an error is an ErrNotExistfunc IsErrNotExist(err error) bool {	_, ok := err.(ErrNotExist)	return ok} func (err ErrNotExist) Error() string {	name := "record"	if err.Resource != "" {		name = err.Resource	} 	if err.ID != 0 {		return fmt.Sprintf("%s does not exist [id: %d]", name, err.ID)	}	return fmt.Sprintf("%s does not exist", name)} // Unwrap unwraps this as a ErrNotExist errfunc (err ErrNotExist) Unwrap() error {	return util.ErrNotExist}