初始提交: Gitea 项目代码

modules/git/repo_base_nogogit.go

@@ -0,0 +1,102 @@
+// 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"
+	"path/filepath"
+	"sync"
+
+	"gitea.dev/modules/log"
+	"gitea.dev/modules/util"
+)
+
+const isGogit = false
+
+// Repository represents a Git repository.
+type Repository struct {
+	Path string
+
+	tagCache *ObjectCache[*Tag]
+
+	mu                 sync.Mutex
+	catFileBatchCloser CatFileBatchCloser
+	catFileBatchInUse  bool
+
+	Ctx             context.Context
+	LastCommitCache *LastCommitCache
+
+	objectFormat ObjectFormat
+}
+
+// OpenRepository opens the repository at the given path with the provided context.
+func OpenRepository(ctx context.Context, repoPath string) (*Repository, error) {
+	repoPath, err := filepath.Abs(repoPath)
+	if err != nil {
+		return nil, err
+	}
+	exist, err := util.IsDir(repoPath)
+	if err != nil {
+		return nil, err
+	}
+	if !exist {
+		return nil, util.NewNotExistErrorf("no such file or directory")
+	}
+
+	return &Repository{
+		Path:     repoPath,
+		tagCache: newObjectCache[*Tag](),
+		Ctx:      ctx,
+	}, nil
+}
+
+// CatFileBatch obtains a "batch object provider" for this repository.
+// It reuses an existing one if available, otherwise creates a new one.
+func (repo *Repository) CatFileBatch(ctx context.Context) (_ CatFileBatch, closeFunc func(), err error) {
+	repo.mu.Lock()
+	defer repo.mu.Unlock()
+
+	if repo.catFileBatchCloser == nil {
+		repo.catFileBatchCloser, err = NewBatch(ctx, repo.Path)
+		if err != nil {
+			repo.catFileBatchCloser = nil // otherwise it is "interface(nil)" and will cause wrong logic
+			return nil, nil, err
+		}
+	}
+
+	if !repo.catFileBatchInUse {
+		repo.catFileBatchInUse = true
+		return CatFileBatch(repo.catFileBatchCloser), func() {
+			repo.mu.Lock()
+			defer repo.mu.Unlock()
+			repo.catFileBatchInUse = false
+		}, nil
+	}
+
+	log.Debug("Opening temporary cat file batch for: %s", repo.Path)
+	tempBatch, err := NewBatch(ctx, repo.Path)
+	if err != nil {
+		return nil, nil, err
+	}
+	return tempBatch, tempBatch.Close, nil
+}
+
+func (repo *Repository) Close() error {
+	if repo == nil {
+		return nil
+	}
+	repo.mu.Lock()
+	defer repo.mu.Unlock()
+	if repo.catFileBatchCloser != nil {
+		repo.catFileBatchCloser.Close()
+		repo.catFileBatchCloser = nil
+		repo.catFileBatchInUse = false
+	}
+	repo.LastCommitCache = nil
+	repo.tagCache = nil
+	return nil
+}