Function newImage

private/bufpkg/bufimage/image.go:35–88

(files []ImageFile, reorder bool, resolver protoencoding.Resolver)

}

func newImage(files []ImageFile, reorder bool, resolver protoencoding.Resolver) (*image, error) {
	if len(files) == 0 {
		return nil, errors.New("image contains no files")
	}
	pathToImageFile := make(map[string]ImageFile, len(files))
	type commitIDAndFilePath struct {
		commitID uuid.UUID
		filePath string
	}
	moduleFullNameStringToCommitIDAndFilePath := make(map[string]commitIDAndFilePath)
	for _, file := range files {
		path := file.Path()
		if _, ok := pathToImageFile[path]; ok {
			return nil, fmt.Errorf("duplicate file: %s", path)
		}
		pathToImageFile[path] = file
		if moduleFullName := file.FullName(); moduleFullName != nil {
			moduleFullNameString := moduleFullName.String()
			existing, ok := moduleFullNameStringToCommitIDAndFilePath[moduleFullNameString]
			if ok {
				if existing.commitID != file.CommitID() {
					return nil, fmt.Errorf(
						"files with different commits for the same module %s: %s:%s and %s:%s",
						moduleFullNameString,
						existing.filePath,
						uuidutil.ToDashless(existing.commitID),
						path,
						uuidutil.ToDashless(file.CommitID()),
					)
				}
			} else {
				moduleFullNameStringToCommitIDAndFilePath[moduleFullNameString] = commitIDAndFilePath{
					commitID: file.CommitID(),
					filePath: path,
				}
			}
		}
	}
	if reorder {
		files = orderImageFiles(files, pathToImageFile)
	}
	if resolver == nil {
		fileDescriptorProtos := make([]*descriptorpb.FileDescriptorProto, len(files))
		for i := range files {
			fileDescriptorProtos[i] = files[i].FileDescriptorProto()
		}
		resolver = protoencoding.NewLazyResolver(fileDescriptorProtos...)
	}
	return &image{
		files:           files,
		pathToImageFile: pathToImageFile,
		resolver:        resolver,
	}, nil
}

func newImageNoValidate(files []ImageFile, resolver protoencoding.Resolver) *image {
	pathToImageFile := make(map[string]ImageFile, len(files))