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package internal
import (
"errors"
"fmt"
"github.com/golang/protobuf/proto"
"github.com/golang/protobuf/protoc-gen-go/descriptor"
"gitlab.com/gitlab-org/gitaly/proto/go/gitalypb"
)
// GetOpExtension gets the OperationMsg from a method descriptor
func GetOpExtension(m *descriptor.MethodDescriptorProto) (*gitalypb.OperationMsg, error) {
options := m.GetOptions()
if !proto.HasExtension(options, gitalypb.E_OpType) {
return nil, errors.New("missing op_type option")
}
ext, err := proto.GetExtension(options, gitalypb.E_OpType)
if err != nil {
return nil, err
}
opMsg, ok := ext.(*gitalypb.OperationMsg)
if !ok {
return nil, fmt.Errorf("unable to obtain OperationMsg from %#v", ext)
}
return opMsg, nil
}
// GetStorageExtension gets the OperationMsg from a method descriptor
func GetStorageExtension(m *descriptor.FieldDescriptorProto) (bool, error) {
options := m.GetOptions()
if !proto.HasExtension(options, gitalypb.E_Storage) {
return false, nil
}
ext, err := proto.GetExtension(options, gitalypb.E_Storage)
if err != nil {
return false, err
}
storageMsg, ok := ext.(*bool)
if !ok {
return false, fmt.Errorf("unable to obtain bool from %#v", ext)
}
if storageMsg == nil {
return false, nil
}
return *storageMsg, nil
}
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