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