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- // Copyright 2015 The Gogs Authors. All rights reserved.
- // Copyright 2017 The Gitea Authors. All rights reserved.
- // SPDX-License-Identifier: MIT
-
- //go:build gogit
-
- package git
-
- import (
- "context"
- "errors"
- "path/filepath"
-
- gitealog "code.gitea.io/gitea/modules/log"
- "code.gitea.io/gitea/modules/setting"
-
- "github.com/go-git/go-billy/v5"
- "github.com/go-git/go-billy/v5/osfs"
- gogit "github.com/go-git/go-git/v5"
- "github.com/go-git/go-git/v5/plumbing/cache"
- "github.com/go-git/go-git/v5/storage/filesystem"
- )
-
- // Repository represents a Git repository.
- type Repository struct {
- Path string
-
- tagCache *ObjectCache
-
- gogitRepo *gogit.Repository
- gogitStorage *filesystem.Storage
- gpgSettings *GPGSettings
-
- Ctx context.Context
- LastCommitCache *LastCommitCache
- }
-
- // openRepositoryWithDefaultContext opens the repository at the given path with DefaultContext.
- func openRepositoryWithDefaultContext(repoPath string) (*Repository, error) {
- return OpenRepository(DefaultContext, repoPath)
- }
-
- // OpenRepository opens the repository at the given path within the context.Context
- func OpenRepository(ctx context.Context, repoPath string) (*Repository, error) {
- repoPath, err := filepath.Abs(repoPath)
- if err != nil {
- return nil, err
- } else if !isDir(repoPath) {
- return nil, errors.New("no such file or directory")
- }
-
- fs := osfs.New(repoPath)
- _, err = fs.Stat(".git")
- if err == nil {
- fs, err = fs.Chroot(".git")
- if err != nil {
- return nil, err
- }
- }
- // the "clone --shared" repo doesn't work well with go-git AlternativeFS, https://github.com/go-git/go-git/issues/1006
- // so use "/" for AlternatesFS, I guess it is the same behavior as current nogogit (no limitation or check for the "objects/info/alternates" paths), trust the "clone" command executed by the server.
- var altFs billy.Filesystem
- if setting.IsWindows {
- altFs = osfs.New(filepath.VolumeName(setting.RepoRootPath) + "\\") // TODO: does it really work for Windows? Need some time to check.
- } else {
- altFs = osfs.New("/")
- }
- storage := filesystem.NewStorageWithOptions(fs, cache.NewObjectLRUDefault(), filesystem.Options{KeepDescriptors: true, LargeObjectThreshold: setting.Git.LargeObjectThreshold, AlternatesFS: altFs})
- gogitRepo, err := gogit.Open(storage, fs)
- if err != nil {
- return nil, err
- }
-
- return &Repository{
- Path: repoPath,
- gogitRepo: gogitRepo,
- gogitStorage: storage,
- tagCache: newObjectCache(),
- Ctx: ctx,
- }, nil
- }
-
- // Close this repository, in particular close the underlying gogitStorage if this is not nil
- func (repo *Repository) Close() (err error) {
- if repo == nil || repo.gogitStorage == nil {
- return
- }
- if err := repo.gogitStorage.Close(); err != nil {
- gitealog.Error("Error closing storage: %v", err)
- }
- repo.LastCommitCache = nil
- repo.tagCache = nil
- return
- }
-
- // GoGitRepo gets the go-git repo representation
- func (repo *Repository) GoGitRepo() *gogit.Repository {
- return repo.gogitRepo
- }
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