fix

models/migrations/migrations.go

@@ -562,6 +562,8 @@ var migrations = []Migration{
 	NewMigration("Use Slug instead of ID for Badges", v1_22.UseSlugInsteadOfIDForBadges),
 	// v288 -> v289
 	NewMigration("Add user_blocking table", v1_22.AddUserBlockingTable),
+	// v289 -> v290
+	NewMigration("Add default_wiki_branch to repository table", v1_22.AddDefaultWikiBranch),
 }
 
 // GetCurrentDBVersion returns the current db version

models/migrations/v1_22/v289.go

@@ -0,0 +1,18 @@
+// Copyright 2024 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package v1_22 //nolint
+
+import "xorm.io/xorm"
+
+func AddDefaultWikiBranch(x *xorm.Engine) error {
+	type Repository struct {
+		ID                int64
+		DefaultWikiBranch string
+	}
+	if err := x.Sync(&Repository{}); err != nil {
+		return err
+	}
+	_, err := x.Exec("UPDATE `repository` SET default_wiki_branch = 'master' WHERE (default_wiki_branch IS NULL) OR (default_wiki_branch = '')")
+	return err
+}

models/repo/repo.go

@@ -136,6 +136,7 @@ type Repository struct {
 	OriginalServiceType api.GitServiceType `xorm:"index"`
 	OriginalURL         string             `xorm:"VARCHAR(2048)"`
 	DefaultBranch       string
+	DefaultWikiBranch   string
 
 	NumWatches          int
 	NumStars            int

modules/git/repo_base_gogit.go

@@ -8,11 +8,11 @@ package git
 
 import (
 	"context"
-	"errors"
 	"path/filepath"
 
 	gitealog "code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/setting"
+	"code.gitea.io/gitea/modules/util"
 
 	"github.com/go-git/go-billy/v5"
 	"github.com/go-git/go-billy/v5/osfs"
@@ -52,7 +52,7 @@ func OpenRepository(ctx context.Context, repoPath string) (*Repository, error) {
 	if err != nil {
 		return nil, err
 	} else if !isDir(repoPath) {
-		return nil, errors.New("no such file or directory")
+		return nil, util.NewNotExistErrorf("no such file or directory")
 	}
 
 	fs := osfs.New(repoPath)

modules/git/repo_base_nogogit.go

@@ -9,10 +9,10 @@ package git
 import (
 	"bufio"
 	"context"
-	"errors"
 	"path/filepath"
 
 	"code.gitea.io/gitea/modules/log"
+	"code.gitea.io/gitea/modules/util"
 )
 
 func init() {
@@ -54,7 +54,7 @@ func OpenRepository(ctx context.Context, repoPath string) (*Repository, error) {
 	if err != nil {
 		return nil, err
 	} else if !isDir(repoPath) {
-		return nil, errors.New("no such file or directory")
+		return nil, util.NewNotExistErrorf("no such file or directory")
 	}
 
 	// Now because of some insanity with git cat-file not immediately failing if not run in a valid git directory we need to run git rev-parse first!

options/locale/locale_en-US.ini

@@ -2092,6 +2092,8 @@ settings.branches.add_new_rule = Add New Rule
 settings.advanced_settings = Advanced Settings
 settings.wiki_desc = Enable Repository Wiki
 settings.use_internal_wiki = Use Built-In Wiki
+settings.default_wiki_branch_name = Default Wiki Branch Name
+settings.failed_to_change_default_wiki_branch = Failed to change the default wiki branch.
 settings.use_external_wiki = Use External Wiki
 settings.external_wiki_url = External Wiki URL
 settings.external_wiki_url_error = The external wiki URL is not a valid URL.

routers/web/repo/setting/setting.go

@@ -488,6 +488,13 @@ func SettingsPost(ctx *context.Context) {
 			}
 		}
 
+		if form.ChangeDefaultWikiBranch != "" {
+			if err := wiki_service.ChangeDefaultWikiBranch(ctx, repo, form.ChangeDefaultWikiBranch); err != nil {
+				log.Error("ChangeDefaultWikiBranch failed, err: %v", err)
+				ctx.Flash.Warning(ctx.Tr("repo.settings.failed_to_change_default_wiki_branch"))
+			}
+		}
+
 		if form.EnableIssues && form.EnableExternalTracker && !unit_model.TypeExternalTracker.UnitGlobalDisabled() {
 			if !validation.IsValidExternalURL(form.ExternalTrackerURL) {
 				ctx.Flash.Error(ctx.Tr("repo.settings.external_tracker_url_error"))

routers/web/repo/wiki.go

@@ -93,17 +93,32 @@ func findEntryForFile(commit *git.Commit, target string) (*git.TreeEntry, error)
 }
 
 func findWikiRepoCommit(ctx *context.Context) (*git.Repository, *git.Commit, error) {
-	wikiRepo, err := gitrepo.OpenWikiRepository(ctx, ctx.Repo.Repository)
-	if err != nil {
-		ctx.ServerError("OpenRepository", err)
-		return nil, nil, err
+	wikiGitRepo, errCommit := gitrepo.OpenWikiRepository(ctx, ctx.Repo.Repository)
+	if errCommit != nil {
+		ctx.ServerError("OpenRepository", errCommit)
+		return nil, nil, errCommit
 	}
 
-	commit, err := wikiRepo.GetBranchCommit(wiki_service.DefaultBranch)
-	if err != nil {
-		return wikiRepo, nil, err
+	commit, errCommit := wikiGitRepo.GetBranchCommit(ctx.Repo.Repository.DefaultWikiBranch)
+	if git.IsErrNotExist(errCommit) {
+		// if the default branch recorded in database is out of sync, then re-sync it
+		gitRepoDefaultBranch, errBranch := wikiGitRepo.GetDefaultBranch()
+		if errBranch != nil {
+			return wikiGitRepo, nil, errCommit
+		}
+		// update the default branch in the database
+		errDb := repo_model.UpdateRepositoryCols(ctx, &repo_model.Repository{ID: ctx.Repo.Repository.ID, DefaultWikiBranch: gitRepoDefaultBranch}, "default_wiki_branch")
+		if errDb != nil {
+			return wikiGitRepo, nil, errDb
+		}
+		ctx.Repo.Repository.DefaultWikiBranch = gitRepoDefaultBranch
+		// retry to get the commit from the correct default branch
+		commit, errCommit = wikiGitRepo.GetBranchCommit(ctx.Repo.Repository.DefaultWikiBranch)
 	}
-	return wikiRepo, commit, nil
+	if errCommit != nil {
+		return wikiGitRepo, nil, errCommit
+	}
+	return wikiGitRepo, commit, nil
 }
 
 // wikiContentsByEntry returns the contents of the wiki page referenced by the
@@ -316,7 +331,7 @@ func renderViewPage(ctx *context.Context) (*git.Repository, *git.TreeEntry) {
 	}
 
 	// get commit count - wiki revisions
-	commitsCount, _ := wikiRepo.FileCommitsCount(wiki_service.DefaultBranch, pageFilename)
+	commitsCount, _ := wikiRepo.FileCommitsCount(ctx.Repo.Repository.DefaultWikiBranch, pageFilename)
 	ctx.Data["CommitCount"] = commitsCount
 
 	return wikiRepo, entry
@@ -368,7 +383,7 @@ func renderRevisionPage(ctx *context.Context) (*git.Repository, *git.TreeEntry)
 	ctx.Data["footerContent"] = ""
 
 	// get commit count - wiki revisions
-	commitsCount, _ := wikiRepo.FileCommitsCount(wiki_service.DefaultBranch, pageFilename)
+	commitsCount, _ := wikiRepo.FileCommitsCount(ctx.Repo.Repository.DefaultWikiBranch, pageFilename)
 	ctx.Data["CommitCount"] = commitsCount
 
 	// get page
@@ -380,7 +395,7 @@ func renderRevisionPage(ctx *context.Context) (*git.Repository, *git.TreeEntry)
 	// get Commit Count
 	commitsHistory, err := wikiRepo.CommitsByFileAndRange(
 		git.CommitsByFileAndRangeOptions{
-			Revision: wiki_service.DefaultBranch,
+			Revision: ctx.Repo.Repository.DefaultWikiBranch,
 			File:     pageFilename,
 			Page:     page,
 		})
@@ -402,20 +417,17 @@ func renderRevisionPage(ctx *context.Context) (*git.Repository, *git.TreeEntry)
 
 func renderEditPage(ctx *context.Context) {
 	wikiRepo, commit, err := findWikiRepoCommit(ctx)
-	if err != nil {
+	defer func() {
 		if wikiRepo != nil {
-			wikiRepo.Close()
+			_ = wikiRepo.Close()
 		}
+	}()
+	if err != nil {
 		if !git.IsErrNotExist(err) {
 			ctx.ServerError("GetBranchCommit", err)
 		}
 		return
 	}
-	defer func() {
-		if wikiRepo != nil {
-			wikiRepo.Close()
-		}
-	}()
 
 	// get requested pagename
 	pageName := wiki_service.WebPathFromRequest(ctx.PathParamRaw("*"))
@@ -584,17 +596,15 @@ func WikiPages(ctx *context.Context) {
 	ctx.Data["CanWriteWiki"] = ctx.Repo.CanWrite(unit.TypeWiki) && !ctx.Repo.Repository.IsArchived
 
 	wikiRepo, commit, err := findWikiRepoCommit(ctx)
-	if err != nil {
-		if wikiRepo != nil {
-			wikiRepo.Close()
-		}
-		return
-	}
 	defer func() {
 		if wikiRepo != nil {
-			wikiRepo.Close()
+			_ = wikiRepo.Close()
 		}
 	}()
+	if err != nil {
+		ctx.Redirect(ctx.Repo.RepoLink + "/wiki")
+		return
+	}
 
 	entries, err := commit.ListEntries()
 	if err != nil {

services/forms/repo_form.go

@@ -133,6 +133,7 @@ type RepoSettingForm struct {
 	EnableCode                            bool
 	EnableWiki                            bool
 	EnableExternalWiki                    bool
+	ChangeDefaultWikiBranch               string
 	ExternalWikiURL                       string
 	EnableIssues                          bool
 	EnableExternalTracker                 bool

services/repository/create.go

@@ -173,6 +173,7 @@ func initRepository(ctx context.Context, repoPath string, u *user_model.User, re
 	}
 
 	repo.DefaultBranch = setting.Repository.DefaultBranch
+	repo.DefaultWikiBranch = setting.Repository.DefaultBranch
 
 	if len(opts.DefaultBranch) > 0 {
 		repo.DefaultBranch = opts.DefaultBranch
@@ -240,6 +241,7 @@ func CreateRepositoryDirectly(ctx context.Context, doer, u *user_model.User, opt
 		TrustModel:                      opts.TrustModel,
 		IsMirror:                        opts.IsMirror,
 		DefaultBranch:                   opts.DefaultBranch,
+		DefaultWikiBranch:               setting.Repository.DefaultBranch,
 		ObjectFormatName:                opts.ObjectFormatName,
 	}
 

services/repository/migrate.go

@@ -25,6 +25,54 @@ import (
 	"code.gitea.io/gitea/modules/util"
 )
 
+func cloneWiki(ctx context.Context, u *user_model.User, opts migration.MigrateOptions, migrateTimeout time.Duration) (string, error) {
+	wikiPath := repo_model.WikiPath(u.Name, opts.RepoName)
+	wikiRemotePath := repo_module.WikiRemoteURL(ctx, opts.CloneAddr)
+	if wikiRemotePath == "" {
+		return "", nil
+	}
+
+	if err := util.RemoveAll(wikiPath); err != nil {
+		return "", fmt.Errorf("failed to remove existingi wiki dir %q, err: %w", wikiPath, err)
+	}
+
+	cleanIncompleteWikiPath := func() {
+		if err := util.RemoveAll(wikiPath); err != nil {
+			log.Error("Failed to remove incomplete wiki dir %q, err: %v", wikiPath, err)
+		}
+	}
+	if err := git.Clone(ctx, wikiRemotePath, wikiPath, git.CloneRepoOptions{
+		Mirror:        true,
+		Quiet:         true,
+		Timeout:       migrateTimeout,
+		SkipTLSVerify: setting.Migrations.SkipTLSVerify,
+	}); err != nil {
+		log.Error("Clone wiki failed, err: %v", err)
+		cleanIncompleteWikiPath()
+		return "", err
+	}
+
+	if err := git.WriteCommitGraph(ctx, wikiPath); err != nil {
+		cleanIncompleteWikiPath()
+		return "", err
+	}
+
+	wikiRepo, err := git.OpenRepository(ctx, wikiPath)
+	if err != nil {
+		cleanIncompleteWikiPath()
+		return "", fmt.Errorf("failed to open wiki repo %q, err: %w", wikiPath, err)
+	}
+	defer wikiRepo.Close()
+
+	defaultBranch, err := wikiRepo.GetDefaultBranch()
+	if err != nil {
+		cleanIncompleteWikiPath()
+		return "", fmt.Errorf("failed to get wiki repo defaul brach for %q, err: %w", wikiPath, err)
+	}
+
+	return defaultBranch, nil
+}
+
 // MigrateRepositoryGitData starts migrating git related data after created migrating repository
 func MigrateRepositoryGitData(ctx context.Context, u *user_model.User,
 	repo *repo_model.Repository, opts migration.MigrateOptions,
@@ -44,59 +92,39 @@ func MigrateRepositoryGitData(ctx context.Context, u *user_model.User,
 
 	migrateTimeout := time.Duration(setting.Git.Timeout.Migrate) * time.Second
 
-	var err error
-	if err = util.RemoveAll(repoPath); err != nil {
-		return repo, fmt.Errorf("Failed to remove %s: %w", repoPath, err)
+	if err := util.RemoveAll(repoPath); err != nil {
+		return repo, fmt.Errorf("failed to remove existing repo dir %q, err: %w", repoPath, err)
 	}
 
-	if err = git.Clone(ctx, opts.CloneAddr, repoPath, git.CloneRepoOptions{
+	if err := git.Clone(ctx, opts.CloneAddr, repoPath, git.CloneRepoOptions{
 		Mirror:        true,
 		Quiet:         true,
 		Timeout:       migrateTimeout,
 		SkipTLSVerify: setting.Migrations.SkipTLSVerify,
 	}); err != nil {
 		if errors.Is(err, context.DeadlineExceeded) {
-			return repo, fmt.Errorf("Clone timed out. Consider increasing [git.timeout] MIGRATE in app.ini. Underlying Error: %w", err)
+			return repo, fmt.Errorf("clone timed out, consider increasing [git.timeout] MIGRATE in app.ini, underlying err: %w", err)
 		}
-		return repo, fmt.Errorf("Clone: %w", err)
+		return repo, fmt.Errorf("clone error: %w", err)
 	}
 
 	if err := git.WriteCommitGraph(ctx, repoPath); err != nil {
 		return repo, err
 	}
 
 	if opts.Wiki {
-		wikiPath := repo_model.WikiPath(u.Name, opts.RepoName)
-		wikiRemotePath := repo_module.WikiRemoteURL(ctx, opts.CloneAddr)
-		if len(wikiRemotePath) > 0 {
-			if err := util.RemoveAll(wikiPath); err != nil {
-				return repo, fmt.Errorf("Failed to remove %s: %w", wikiPath, err)
-			}
-
-			if err := git.Clone(ctx, wikiRemotePath, wikiPath, git.CloneRepoOptions{
-				Mirror:        true,
-				Quiet:         true,
-				Timeout:       migrateTimeout,
-				Branch:        "master",
-				SkipTLSVerify: setting.Migrations.SkipTLSVerify,
-			}); err != nil {
-				log.Warn("Clone wiki: %v", err)
-				if err := util.RemoveAll(wikiPath); err != nil {
-					return repo, fmt.Errorf("Failed to remove %s: %w", wikiPath, err)
-				}
-			} else {
-				if err := git.WriteCommitGraph(ctx, wikiPath); err != nil {
-					return repo, err
-				}
-			}
+		defaultWikiBranch, err := cloneWiki(ctx, u, opts, migrateTimeout)
+		if err != nil {
+			return repo, fmt.Errorf("clone wiki error: %w", err)
 		}
+		repo.DefaultWikiBranch = defaultWikiBranch
 	}
 
 	if repo.OwnerID == u.ID {
 		repo.Owner = u
 	}
 
-	if err = repo_module.CheckDaemonExportOK(ctx, repo); err != nil {
+	if err := repo_module.CheckDaemonExportOK(ctx, repo); err != nil {
 		return repo, fmt.Errorf("checkDaemonExportOK: %w", err)
 	}