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