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104 lines
2.9 KiB
104 lines
2.9 KiB
// 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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"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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"code.gitea.io/gitea/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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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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