forgejo-federation/modules/util/error.go

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// Copyright 2022 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package util
import (
"errors"
)
// Common Errors forming the base of our error system
//
// Many Errors returned by Gitea can be tested against these errors
// using errors.Is.
var (
ErrInvalidArgument = errors.New("invalid argument")
ErrPermissionDenied = errors.New("permission denied")
ErrAlreadyExist = errors.New("resource already exists")
ErrNotExist = errors.New("resource does not exist")
)
// SilentWrap provides a simple wrapper for a wrapped error where the wrapped error message plays no part in the error message
// Especially useful for "untyped" errors created with "errors.New(…)" that can be classified as 'invalid argument', 'permission denied', 'exists already', or 'does not exist'
type SilentWrap struct {
Message string
Err error
}
// Error returns the message
func (w SilentWrap) Error() string {
return w.Message
}
// Unwrap returns the underlying error
func (w SilentWrap) Unwrap() error {
return w.Err
}