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zeekayandHanzo Dev
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Source files keep their SPDX-License-Identifier and Hanzo copyright line; the Gitea, Gogs and LFS Test Server copyrights they used to repeat now live once in NOTICE, alongside LICENSE. The header lint accepts any copyright line above the SPDX line, so it no longer demands an upstream one. Co-authored-by: Hanzo Dev <[email protected]>
89 lines
1.9 KiB
Go
89 lines
1.9 KiB
Go
// Copyright 2026 Hanzo AI, Inc. All rights reserved.
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// SPDX-License-Identifier: MIT
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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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"github.com/hanzoai/git/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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// BatchSize returns the preferred size of batchs to process
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func (c *FilesystemClient) BatchSize() int {
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return 1
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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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return &FilesystemClient{lfsDir}
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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 path
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func (c *FilesystemClient) Download(ctx context.Context, objects []Pointer, callback DownloadCallback) error {
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for _, object := range objects {
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p := Pointer{object.Oid, object.Size}
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objectPath := c.objectPath(p.Oid)
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f, err := os.Open(objectPath)
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if err != nil {
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return err
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}
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defer f.Close()
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if err := callback(p, f, nil); err != nil {
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return err
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}
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}
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return nil
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}
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// Upload writes the specific LFS object to the target path
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func (c *FilesystemClient) Upload(ctx context.Context, objects []Pointer, callback UploadCallback) error {
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for _, object := range objects {
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p := Pointer{object.Oid, object.Size}
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objectPath := c.objectPath(p.Oid)
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if err := os.MkdirAll(filepath.Dir(objectPath), os.ModePerm); err != nil {
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return err
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}
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content, err := callback(p, nil)
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if err != nil {
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return err
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}
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err = func() error {
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defer content.Close()
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f, err := os.Create(objectPath)
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if err != nil {
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return err
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}
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defer f.Close()
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_, err = io.Copy(f, content)
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return err
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}()
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if err != nil {
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return err
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}
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}
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return nil
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}
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