mirror of
https://github.com/go-gitea/gitea
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716fcfcf72
A lot of our code is repeatedly testing if individual errors are specific types of Not Exist errors. This is repetitative and unnecesary. `Unwrap() error` provides a common way of labelling an error as a NotExist error and we can/should use this. This PR has chosen to use the common `io/fs` errors e.g. `fs.ErrNotExist` for our errors. This is in some ways not completely correct as these are not filesystem errors but it seems like a reasonable thing to do and would allow us to simplify a lot of our code to `errors.Is(err, fs.ErrNotExist)` instead of `package.IsErr...NotExist(err)` I am open to suggestions to use a different base error - perhaps `models/db.ErrNotExist` if that would be felt to be better. Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: delvh <dev.lh@web.de>
97 lines
2.5 KiB
Go
97 lines
2.5 KiB
Go
// Copyright 2015 The Gogs Authors. All rights reserved.
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// Copyright 2020 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package repo
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import (
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"fmt"
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"path/filepath"
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"strings"
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user_model "code.gitea.io/gitea/models/user"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/util"
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)
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// ErrWikiAlreadyExist represents a "WikiAlreadyExist" kind of error.
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type ErrWikiAlreadyExist struct {
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Title string
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}
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// IsErrWikiAlreadyExist checks if an error is an ErrWikiAlreadyExist.
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func IsErrWikiAlreadyExist(err error) bool {
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_, ok := err.(ErrWikiAlreadyExist)
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return ok
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}
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func (err ErrWikiAlreadyExist) Error() string {
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return fmt.Sprintf("wiki page already exists [title: %s]", err.Title)
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}
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func (err ErrWikiAlreadyExist) Unwrap() error {
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return util.ErrAlreadyExist
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}
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// ErrWikiReservedName represents a reserved name error.
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type ErrWikiReservedName struct {
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Title string
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}
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// IsErrWikiReservedName checks if an error is an ErrWikiReservedName.
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func IsErrWikiReservedName(err error) bool {
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_, ok := err.(ErrWikiReservedName)
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return ok
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}
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func (err ErrWikiReservedName) Error() string {
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return fmt.Sprintf("wiki title is reserved: %s", err.Title)
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}
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func (err ErrWikiReservedName) Unwrap() error {
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return util.ErrInvalidArgument
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}
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// ErrWikiInvalidFileName represents an invalid wiki file name.
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type ErrWikiInvalidFileName struct {
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FileName string
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}
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// IsErrWikiInvalidFileName checks if an error is an ErrWikiInvalidFileName.
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func IsErrWikiInvalidFileName(err error) bool {
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_, ok := err.(ErrWikiInvalidFileName)
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return ok
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}
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func (err ErrWikiInvalidFileName) Error() string {
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return fmt.Sprintf("Invalid wiki filename: %s", err.FileName)
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}
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func (err ErrWikiInvalidFileName) Unwrap() error {
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return util.ErrInvalidArgument
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}
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// WikiCloneLink returns clone URLs of repository wiki.
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func (repo *Repository) WikiCloneLink() *CloneLink {
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return repo.cloneLink(true)
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}
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// WikiPath returns wiki data path by given user and repository name.
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func WikiPath(userName, repoName string) string {
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return filepath.Join(user_model.UserPath(userName), strings.ToLower(repoName)+".wiki.git")
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}
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// WikiPath returns wiki data path for given repository.
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func (repo *Repository) WikiPath() string {
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return WikiPath(repo.OwnerName, repo.Name)
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}
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// HasWiki returns true if repository has wiki.
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func (repo *Repository) HasWiki() bool {
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isDir, err := util.IsDir(repo.WikiPath())
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if err != nil {
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log.Error("Unable to check if %s is a directory: %v", repo.WikiPath(), err)
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}
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return isDir
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}
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