初始提交: Gitea 项目代码

modules/git/blob_gogit.go

@@ -0,0 +1,46 @@
+// Copyright 2015 The Gogs Authors. All rights reserved.
+// Copyright 2019 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+//go:build gogit
+
+package git
+
+import (
+	"io"
+
+	"gitea.dev/modules/log"
+
+	"github.com/go-git/go-git/v5/plumbing"
+)
+
+// Blob represents a Git object.
+type Blob struct {
+	ID   ObjectID
+	repo *Repository
+	name string
+}
+
+func (b *Blob) gogitEncodedObj() (plumbing.EncodedObject, error) {
+	return b.repo.gogitRepo.Storer.EncodedObject(plumbing.AnyObject, plumbing.Hash(b.ID.RawValue()))
+}
+
+// DataAsync gets a ReadCloser for the contents of a blob without reading it all.
+// Calling the Close function on the result will discard all unread output.
+func (b *Blob) DataAsync() (io.ReadCloser, error) {
+	obj, err := b.gogitEncodedObj()
+	if err != nil {
+		return nil, err
+	}
+	return obj.Reader()
+}
+
+// Size returns the uncompressed size of the blob
+func (b *Blob) Size() int64 {
+	obj, err := b.gogitEncodedObj()
+	if err != nil {
+		log.Error("Error getting gogit encoded object for blob %s(%s): %v", b.name, b.ID.String(), err)
+		return 0
+	}
+	return obj.Size()
+}