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- // 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
- }
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