9b8de15797
`log.Xxx("%v")` is not ideal, this PR adds necessary context messages.
Remove some unnecessary logs.
Co-authored-by: Giteabot <teabot@gitea.io>
(cherry picked from commit 83f83019ef3471b847a300f0821499b3896ec987)
Conflicts:
- modules/util/util.go
Conflict resolved by picking `util.Iif` from 654cfd1dfbd3f3f1d94addee50b6fe2b018a49c3
409 lines
12 KiB
Go
409 lines
12 KiB
Go
// Copyright 2015 The Gogs Authors. All rights reserved.
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// Copyright 2019 The Gitea Authors. All rights reserved.
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// Copyright 2024 The Forgejo Authors c/o Codeberg e.V.. All rights reserved.
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// SPDX-License-Identifier: MIT
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package wiki
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import (
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"context"
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"fmt"
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"os"
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"strings"
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repo_model "code.gitea.io/gitea/models/repo"
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system_model "code.gitea.io/gitea/models/system"
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"code.gitea.io/gitea/models/unit"
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user_model "code.gitea.io/gitea/models/user"
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"code.gitea.io/gitea/modules/git"
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"code.gitea.io/gitea/modules/gitrepo"
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"code.gitea.io/gitea/modules/log"
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repo_module "code.gitea.io/gitea/modules/repository"
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"code.gitea.io/gitea/modules/sync"
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asymkey_service "code.gitea.io/gitea/services/asymkey"
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repo_service "code.gitea.io/gitea/services/repository"
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)
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// TODO: use clustered lock (unique queue? or *abuse* cache)
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var wikiWorkingPool = sync.NewExclusivePool()
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const (
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DefaultRemote = "origin"
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)
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// InitWiki initializes a wiki for repository,
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// it does nothing when repository already has wiki.
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func InitWiki(ctx context.Context, repo *repo_model.Repository) error {
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if repo.HasWiki() {
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return nil
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}
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branch := repo.GetWikiBranchName()
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if err := git.InitRepository(ctx, repo.WikiPath(), true, repo.ObjectFormatName); err != nil {
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return fmt.Errorf("InitRepository: %w", err)
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} else if err = repo_module.CreateDelegateHooks(repo.WikiPath()); err != nil {
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return fmt.Errorf("createDelegateHooks: %w", err)
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} else if _, _, err = git.NewCommand(ctx, "symbolic-ref", "HEAD").AddDynamicArguments(git.BranchPrefix + branch).RunStdString(&git.RunOpts{Dir: repo.WikiPath()}); err != nil {
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return fmt.Errorf("unable to set default wiki branch to %s: %w", branch, err)
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}
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return nil
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}
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// NormalizeWikiBranch renames a repository wiki's branch to `setting.Repository.DefaultBranch`
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func NormalizeWikiBranch(ctx context.Context, repo *repo_model.Repository, to string) error {
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from := repo.GetWikiBranchName()
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if err := repo.MustNotBeArchived(); err != nil {
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return err
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}
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updateDB := func() error {
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repo.WikiBranch = to
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return repo_model.UpdateRepositoryCols(ctx, repo, "wiki_branch")
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}
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if !repo.HasWiki() {
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return updateDB()
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}
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if from == to {
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return nil
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}
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gitRepo, err := git.OpenRepository(ctx, repo.WikiPath())
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if err != nil {
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return err
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}
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defer gitRepo.Close()
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if gitRepo.IsBranchExist(to) {
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return nil
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}
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if !gitRepo.IsBranchExist(from) {
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return nil
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}
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if err := gitRepo.RenameBranch(from, to); err != nil {
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return err
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}
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if err := gitrepo.SetDefaultBranch(ctx, repo, to); err != nil {
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return err
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}
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return updateDB()
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}
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// prepareGitPath try to find a suitable file path with file name by the given raw wiki name.
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// return: existence, prepared file path with name, error
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func prepareGitPath(gitRepo *git.Repository, branch string, wikiPath WebPath) (bool, string, error) {
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unescaped := string(wikiPath) + ".md"
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gitPath := WebPathToGitPath(wikiPath)
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// Look for both files
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filesInIndex, err := gitRepo.LsTree(branch, unescaped, gitPath)
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if err != nil {
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if strings.Contains(err.Error(), "Not a valid object name "+branch) {
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return false, gitPath, nil
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}
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log.Error("%v", err)
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return false, gitPath, err
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}
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foundEscaped := false
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for _, filename := range filesInIndex {
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switch filename {
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case unescaped:
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// if we find the unescaped file return it
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return true, unescaped, nil
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case gitPath:
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foundEscaped = true
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}
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}
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// If not return whether the escaped file exists, and the escaped filename to keep backwards compatibility.
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return foundEscaped, gitPath, nil
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}
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// updateWikiPage adds a new page or edits an existing page in repository wiki.
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func updateWikiPage(ctx context.Context, doer *user_model.User, repo *repo_model.Repository, oldWikiName, newWikiName WebPath, content, message string, isNew bool) (err error) {
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err = repo.MustNotBeArchived()
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if err != nil {
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return err
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}
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if err = validateWebPath(newWikiName); err != nil {
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return err
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}
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wikiWorkingPool.CheckIn(fmt.Sprint(repo.ID))
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defer wikiWorkingPool.CheckOut(fmt.Sprint(repo.ID))
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if err = InitWiki(ctx, repo); err != nil {
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return fmt.Errorf("InitWiki: %w", err)
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}
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hasMasterBranch := git.IsBranchExist(ctx, repo.WikiPath(), repo.GetWikiBranchName())
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basePath, err := repo_module.CreateTemporaryPath("update-wiki")
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if err != nil {
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return err
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}
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defer func() {
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if err := repo_module.RemoveTemporaryPath(basePath); err != nil {
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log.Error("Merge: RemoveTemporaryPath: %s", err)
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}
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}()
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cloneOpts := git.CloneRepoOptions{
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Bare: true,
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Shared: true,
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}
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if hasMasterBranch {
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cloneOpts.Branch = repo.GetWikiBranchName()
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}
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if err := git.Clone(ctx, repo.WikiPath(), basePath, cloneOpts); err != nil {
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log.Error("Failed to clone repository: %s (%v)", repo.FullName(), err)
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return fmt.Errorf("failed to clone repository: %s (%w)", repo.FullName(), err)
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}
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gitRepo, err := git.OpenRepository(ctx, basePath)
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if err != nil {
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log.Error("Unable to open temporary repository: %s (%v)", basePath, err)
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return fmt.Errorf("failed to open new temporary repository in: %s %w", basePath, err)
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}
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defer gitRepo.Close()
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if hasMasterBranch {
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if err := gitRepo.ReadTreeToIndex("HEAD"); err != nil {
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log.Error("Unable to read HEAD tree to index in: %s %v", basePath, err)
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return fmt.Errorf("fnable to read HEAD tree to index in: %s %w", basePath, err)
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}
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}
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isWikiExist, newWikiPath, err := prepareGitPath(gitRepo, repo.GetWikiBranchName(), newWikiName)
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if err != nil {
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return err
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}
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if isNew {
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if isWikiExist {
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return repo_model.ErrWikiAlreadyExist{
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Title: newWikiPath,
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}
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}
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} else {
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// avoid check existence again if wiki name is not changed since gitRepo.LsFiles(...) is not free.
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isOldWikiExist := true
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oldWikiPath := newWikiPath
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if oldWikiName != newWikiName {
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isOldWikiExist, oldWikiPath, err = prepareGitPath(gitRepo, repo.GetWikiBranchName(), oldWikiName)
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if err != nil {
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return err
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}
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}
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if isOldWikiExist {
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err := gitRepo.RemoveFilesFromIndex(oldWikiPath)
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if err != nil {
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log.Error("RemoveFilesFromIndex failed: %v", err)
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return err
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}
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}
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}
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// FIXME: The wiki doesn't have lfs support at present - if this changes need to check attributes here
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objectHash, err := gitRepo.HashObject(strings.NewReader(content))
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if err != nil {
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log.Error("HashObject failed: %v", err)
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return err
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}
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if err := gitRepo.AddObjectToIndex("100644", objectHash, newWikiPath); err != nil {
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log.Error("AddObjectToIndex failed: %v", err)
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return err
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}
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tree, err := gitRepo.WriteTree()
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if err != nil {
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log.Error("WriteTree failed: %v", err)
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return err
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}
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commitTreeOpts := git.CommitTreeOpts{
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Message: message,
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}
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committer := doer.NewGitSig()
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sign, signingKey, signer, _ := asymkey_service.SignWikiCommit(ctx, repo, doer)
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if sign {
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commitTreeOpts.KeyID = signingKey
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if repo.GetTrustModel() == repo_model.CommitterTrustModel || repo.GetTrustModel() == repo_model.CollaboratorCommitterTrustModel {
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committer = signer
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}
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} else {
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commitTreeOpts.NoGPGSign = true
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}
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if hasMasterBranch {
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commitTreeOpts.Parents = []string{"HEAD"}
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}
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commitHash, err := gitRepo.CommitTree(doer.NewGitSig(), committer, tree, commitTreeOpts)
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if err != nil {
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log.Error("CommitTree failed: %v", err)
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return err
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}
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if err := git.Push(gitRepo.Ctx, basePath, git.PushOptions{
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Remote: DefaultRemote,
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Branch: fmt.Sprintf("%s:%s%s", commitHash.String(), git.BranchPrefix, repo.GetWikiBranchName()),
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Env: repo_module.FullPushingEnvironment(
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doer,
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doer,
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repo,
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repo.Name+".wiki",
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0,
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),
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}); err != nil {
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log.Error("Push failed: %v", err)
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if git.IsErrPushOutOfDate(err) || git.IsErrPushRejected(err) {
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return err
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}
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return fmt.Errorf("failed to push: %w", err)
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}
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return nil
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}
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// AddWikiPage adds a new wiki page with a given wikiPath.
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func AddWikiPage(ctx context.Context, doer *user_model.User, repo *repo_model.Repository, wikiName WebPath, content, message string) error {
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return updateWikiPage(ctx, doer, repo, "", wikiName, content, message, true)
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}
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// EditWikiPage updates a wiki page identified by its wikiPath,
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// optionally also changing wikiPath.
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func EditWikiPage(ctx context.Context, doer *user_model.User, repo *repo_model.Repository, oldWikiName, newWikiName WebPath, content, message string) error {
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return updateWikiPage(ctx, doer, repo, oldWikiName, newWikiName, content, message, false)
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}
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// DeleteWikiPage deletes a wiki page identified by its path.
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func DeleteWikiPage(ctx context.Context, doer *user_model.User, repo *repo_model.Repository, wikiName WebPath) (err error) {
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err = repo.MustNotBeArchived()
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if err != nil {
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return err
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}
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wikiWorkingPool.CheckIn(fmt.Sprint(repo.ID))
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defer wikiWorkingPool.CheckOut(fmt.Sprint(repo.ID))
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if err = InitWiki(ctx, repo); err != nil {
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return fmt.Errorf("InitWiki: %w", err)
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}
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basePath, err := repo_module.CreateTemporaryPath("update-wiki")
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if err != nil {
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return err
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}
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defer func() {
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if err := repo_module.RemoveTemporaryPath(basePath); err != nil {
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log.Error("Merge: RemoveTemporaryPath: %s", err)
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}
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}()
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if err := git.Clone(ctx, repo.WikiPath(), basePath, git.CloneRepoOptions{
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Bare: true,
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Shared: true,
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Branch: repo.GetWikiBranchName(),
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}); err != nil {
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log.Error("Failed to clone repository: %s (%v)", repo.FullName(), err)
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return fmt.Errorf("failed to clone repository: %s (%w)", repo.FullName(), err)
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}
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gitRepo, err := git.OpenRepository(ctx, basePath)
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if err != nil {
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log.Error("Unable to open temporary repository: %s (%v)", basePath, err)
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return fmt.Errorf("failed to open new temporary repository in: %s %w", basePath, err)
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}
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defer gitRepo.Close()
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if err := gitRepo.ReadTreeToIndex("HEAD"); err != nil {
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log.Error("Unable to read HEAD tree to index in: %s %v", basePath, err)
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return fmt.Errorf("unable to read HEAD tree to index in: %s %w", basePath, err)
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}
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found, wikiPath, err := prepareGitPath(gitRepo, repo.GetWikiBranchName(), wikiName)
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if err != nil {
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return err
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}
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if found {
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err := gitRepo.RemoveFilesFromIndex(wikiPath)
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if err != nil {
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return err
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}
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} else {
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return os.ErrNotExist
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}
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// FIXME: The wiki doesn't have lfs support at present - if this changes need to check attributes here
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tree, err := gitRepo.WriteTree()
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if err != nil {
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return err
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}
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message := fmt.Sprintf("Delete page %q", wikiName)
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commitTreeOpts := git.CommitTreeOpts{
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Message: message,
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Parents: []string{"HEAD"},
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}
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committer := doer.NewGitSig()
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sign, signingKey, signer, _ := asymkey_service.SignWikiCommit(ctx, repo, doer)
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if sign {
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commitTreeOpts.KeyID = signingKey
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if repo.GetTrustModel() == repo_model.CommitterTrustModel || repo.GetTrustModel() == repo_model.CollaboratorCommitterTrustModel {
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committer = signer
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}
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} else {
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commitTreeOpts.NoGPGSign = true
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}
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commitHash, err := gitRepo.CommitTree(doer.NewGitSig(), committer, tree, commitTreeOpts)
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if err != nil {
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return err
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}
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if err := git.Push(gitRepo.Ctx, basePath, git.PushOptions{
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Remote: DefaultRemote,
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Branch: fmt.Sprintf("%s:%s%s", commitHash.String(), git.BranchPrefix, repo.GetWikiBranchName()),
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Env: repo_module.FullPushingEnvironment(
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doer,
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doer,
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repo,
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repo.Name+".wiki",
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0,
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),
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}); err != nil {
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if git.IsErrPushOutOfDate(err) || git.IsErrPushRejected(err) {
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return err
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}
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return fmt.Errorf("Push: %w", err)
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}
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return nil
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}
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// DeleteWiki removes the actual and local copy of repository wiki.
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func DeleteWiki(ctx context.Context, repo *repo_model.Repository) error {
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if err := repo_service.UpdateRepositoryUnits(ctx, repo, nil, []unit.Type{unit.TypeWiki}); err != nil {
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return err
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}
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system_model.RemoveAllWithNotice(ctx, "Delete repository wiki", repo.WikiPath())
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return nil
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}
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