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