51 lines
1.1 KiB
Go
51 lines
1.1 KiB
Go
|
// Copyright 2021 The Gitea Authors. All rights reserved.
|
||
|
|
// Use of this source code is governed by a MIT-style
|
||
|
|
// license that can be found in the LICENSE file.
|
||
|
|
|
||
|
|
package lfs
|
||
|
|
|
||
|
|
import (
|
||
|
|
"context"
|
||
|
|
"io"
|
||
|
|
"net/url"
|
||
|
|
"os"
|
||
|
|
"path/filepath"
|
||
|
|
|
||
|
|
"code.gitea.io/gitea/modules/util"
|
||
|
|
)
|
||
|
|
|
||
|
|
// FilesystemClient is used to read LFS data from a filesystem path
|
||
|
|
type FilesystemClient struct {
|
||
|
|
lfsdir string
|
||
|
|
}
|
||
|
|
|
||
|
|
func newFilesystemClient(endpoint *url.URL) *FilesystemClient {
|
||
|
|
path, _ := util.FileURLToPath(endpoint)
|
||
|
|
|
||
|
|
lfsdir := filepath.Join(path, "lfs", "objects")
|
||
|
|
|
||
|
|
client := &FilesystemClient{lfsdir}
|
||
|
|
|
||
|
|
return client
|
||
|
|
}
|
||
|
|
|
||
|
|
func (c *FilesystemClient) objectPath(oid string) string {
|
||
|
|
return filepath.Join(c.lfsdir, oid[0:2], oid[2:4], oid)
|
||
|
|
}
|
||
|
|
|
||
|
|
// Download reads the specific LFS object from the target repository
|
||
|
|
func (c *FilesystemClient) Download(ctx context.Context, oid string, size int64) (io.ReadCloser, error) {
|
||
|
|
objectPath := c.objectPath(oid)
|
||
|
|
|
||
|
|
if _, err := os.Stat(objectPath); os.IsNotExist(err) {
|
||
|
|
return nil, err
|
||
|
|
}
|
||
|
|
|
||
|
|
file, err := os.Open(objectPath)
|
||
|
|
if err != nil {
|
||
|
|
return nil, err
|
||
|
|
}
|
||
|
|
|
||
|
|
return file, nil
|
||
|
|
}
|