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forgejo/modules/lfs/pointer_scanner_gogit.go
wxiaoguang c18d8d6968
Remove legacy +build: constraint (#19582)
Go 1.17 and later use modern `//go:build` constraints, the old `// +build:` constraints should be removed.
2022-05-02 23:22:45 +08:00

63 lines
1.3 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.
//go:build gogit
package lfs
import (
"context"
"fmt"
"code.gitea.io/gitea/modules/git"
"github.com/go-git/go-git/v5/plumbing/object"
)
// SearchPointerBlobs scans the whole repository for LFS pointer files
func SearchPointerBlobs(ctx context.Context, repo *git.Repository, pointerChan chan<- PointerBlob, errChan chan<- error) {
gitRepo := repo.GoGitRepo()
err := func() error {
blobs, err := gitRepo.BlobObjects()
if err != nil {
return fmt.Errorf("lfs.SearchPointerBlobs BlobObjects: %w", err)
}
return blobs.ForEach(func(blob *object.Blob) error {
select {
case <-ctx.Done():
return ctx.Err()
default:
}
if blob.Size > blobSizeCutoff {
return nil
}
reader, err := blob.Reader()
if err != nil {
return fmt.Errorf("lfs.SearchPointerBlobs blob.Reader: %w", err)
}
defer reader.Close()
pointer, _ := ReadPointer(reader)
if pointer.IsValid() {
pointerChan <- PointerBlob{Hash: blob.Hash.String(), Pointer: pointer}
}
return nil
})
}()
if err != nil {
select {
case <-ctx.Done():
default:
errChan <- err
}
}
close(pointerChan)
close(errChan)
}