130 lines
3.0 KiB
Go
130 lines
3.0 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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// 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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//go:build gogit
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// +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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"runtime"
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"sync"
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"code.gitea.io/gitea/modules/log"
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gitealog "code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/process"
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"code.gitea.io/gitea/modules/setting"
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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/cache"
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"github.com/go-git/go-git/v5/storage/filesystem"
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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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lock sync.Mutex
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closed bool
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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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}
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// OpenRepository opens the repository at the given path.
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func OpenRepository(repoPath string) (*Repository, error) {
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return OpenRepositoryCtx(DefaultContext, repoPath)
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}
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// OpenRepositoryCtx opens the repository at the given path within the context.Context
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func OpenRepositoryCtx(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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storage := filesystem.NewStorageWithOptions(fs, cache.NewObjectLRUDefault(), filesystem.Options{KeepDescriptors: true, LargeObjectThreshold: setting.Git.LargeObjectThreshold})
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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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repo := &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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}
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runtime.SetFinalizer(repo, (*Repository).finalizer)
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return repo, 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() (err error) {
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if repo == nil {
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return
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}
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repo.lock.Lock()
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defer repo.lock.Unlock()
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return repo.close()
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}
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func (repo *Repository) close() (err error) {
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repo.closed = true
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if repo.gogitStorage == nil {
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return
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}
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err = repo.gogitStorage.Close()
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if err != nil {
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gitealog.Error("Error closing storage: %v", err)
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}
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return
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}
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func (repo *Repository) finalizer() error {
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if repo == nil {
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return nil
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}
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repo.lock.Lock()
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defer repo.lock.Unlock()
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if !repo.closed {
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pid := ""
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if repo.Ctx != nil {
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pid = " from PID: " + string(process.GetPID(repo.Ctx))
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}
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log.Error("Finalizer running on unclosed repository%s: %s%s", pid, repo.Path)
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}
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// We still need to run the close fn as it may be possible to reopen the gogitrepo after close
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return repo.close()
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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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