forgejo/modules/git/repo_base_gogit.go
Adam Majer d68a613ba8
Add support for sha256 repositories ()
Currently only SHA1 repositories are supported by Gitea. This adds
support for alternate SHA256 with the additional aim of easier support
for additional hash types in the future.

Fixes: 
Limited by: https://github.com/go-git/go-git/issues/899
Depend on: 

<img width="776" alt="图片" src="https://github.com/go-gitea/gitea/assets/81045/5448c9a7-608e-4341-a149-5dd0069c9447">

---------

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: 6543 <6543@obermui.de>
2024-01-19 17:05:02 +01:00

97 lines
2.5 KiB
Go

// 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/osfs"
gogit "github.com/go-git/go-git/v5"
"github.com/go-git/go-git/v5/plumbing"
"github.com/go-git/go-git/v5/plumbing/cache"
"github.com/go-git/go-git/v5/storage/filesystem"
)
func init() {
isGogit = true
}
// 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
objectFormat ObjectFormat
}
// 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
}
}
storage := filesystem.NewStorageWithOptions(fs, cache.NewObjectLRUDefault(), filesystem.Options{KeepDescriptors: true, LargeObjectThreshold: setting.Git.LargeObjectThreshold})
gogitRepo, err := gogit.Open(storage, fs)
if err != nil {
return nil, err
}
return &Repository{
Path: repoPath,
gogitRepo: gogitRepo,
gogitStorage: storage,
tagCache: newObjectCache(),
Ctx: ctx,
objectFormat: ParseGogitHash(plumbing.ZeroHash).Type(),
}, 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
}