mirror of
https://github.com/hanzoai/forge.git
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zeekayandHanzo Dev
aa87442fdd
Source files keep their SPDX-License-Identifier and Hanzo copyright line; the Gitea, Gogs and LFS Test Server copyrights they used to repeat now live once in NOTICE, alongside LICENSE. The header lint accepts any copyright line above the SPDX line, so it no longer demands an upstream one. Co-authored-by: Hanzo Dev <[email protected]>
104 lines
2.9 KiB
Go
104 lines
2.9 KiB
Go
// Copyright 2026 Hanzo AI, Inc. 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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"path/filepath"
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gitlog "github.com/hanzoai/git/modules/log"
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"github.com/hanzoai/git/modules/setting"
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"github.com/hanzoai/git/modules/util"
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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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const isGogit = true
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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[*Tag]
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gogitRepo *gogit.Repository
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gogitStorage *filesystem.Storage
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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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// 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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}
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exist, err := util.IsDir(repoPath)
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if err != nil {
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return nil, err
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}
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if !exist {
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return nil, util.NewNotExistErrorf("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[*Tag](),
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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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gitlog.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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