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package hook
import (
"errors"
gitalyerrors "gitlab.com/gitlab-org/gitaly/v15/internal/errors"
"gitlab.com/gitlab-org/gitaly/v15/internal/gitaly/hook"
"gitlab.com/gitlab-org/gitaly/v15/internal/gitaly/transaction"
"gitlab.com/gitlab-org/gitaly/v15/internal/helper"
"gitlab.com/gitlab-org/gitaly/v15/proto/go/gitalypb"
"gitlab.com/gitlab-org/gitaly/v15/streamio"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
func validateReferenceTransactionHookRequest(in *gitalypb.ReferenceTransactionHookRequest) error {
if in.GetRepository() == nil {
return gitalyerrors.ErrEmptyRepository
}
return nil
}
func (s *server) ReferenceTransactionHook(stream gitalypb.HookService_ReferenceTransactionHookServer) error {
request, err := stream.Recv()
if err != nil {
return helper.ErrInternalf("receiving first request: %w", err)
}
if err := validateReferenceTransactionHookRequest(request); err != nil {
return helper.ErrInvalidArgument(err)
}
var state hook.ReferenceTransactionState
switch request.State {
case gitalypb.ReferenceTransactionHookRequest_PREPARED:
state = hook.ReferenceTransactionPrepared
case gitalypb.ReferenceTransactionHookRequest_COMMITTED:
state = hook.ReferenceTransactionCommitted
case gitalypb.ReferenceTransactionHookRequest_ABORTED:
state = hook.ReferenceTransactionAborted
default:
return helper.ErrInvalidArgument(errors.New("invalid hook state"))
}
stdin := streamio.NewReader(func() ([]byte, error) {
req, err := stream.Recv()
return req.GetStdin(), err
})
if err := s.manager.ReferenceTransactionHook(
stream.Context(),
state,
request.GetEnvironmentVariables(),
stdin,
); err != nil {
code := codes.Internal
switch {
case errors.Is(err, transaction.ErrTransactionAborted):
code = codes.Aborted
case errors.Is(err, transaction.ErrTransactionStopped):
code = codes.FailedPrecondition
}
return status.Errorf(code, "reference-transaction hook: %v", err)
}
if err := stream.Send(&gitalypb.ReferenceTransactionHookResponse{
ExitStatus: &gitalypb.ExitStatus{Value: 0},
}); err != nil {
return helper.ErrInternalf("sending response: %v", err)
}
return nil
}
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