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package ref
import (
"context"
"errors"
"strings"
"gitlab.com/gitlab-org/gitaly/proto/v15/go/gitalypb"
"gitlab.com/gitlab-org/gitaly/v15/internal/git/gitpipe"
"gitlab.com/gitlab-org/gitaly/v15/internal/gitaly/service"
)
func (s *server) FindRefsByOID(ctx context.Context, in *gitalypb.FindRefsByOIDRequest) (*gitalypb.FindRefsByOIDResponse, error) {
if err := validateFindRefsReq(in); err != nil {
return nil, structerr.NewInvalidArgument("%w", err)
}
repo := s.localrepo(in.GetRepository())
patterns := in.GetRefPatterns()
if len(patterns) == 0 {
patterns = []string{"refs/tags/", "refs/heads/"}
}
forEachRefIter := gitpipe.ForEachRef(
ctx,
repo,
patterns,
gitpipe.WithSortField(in.GetSortField()),
gitpipe.WithPointsAt(in.GetOid()),
gitpipe.WithCount(int(in.GetLimit())),
)
var refs []string
for forEachRefIter.Next() {
refs = append(refs, string(forEachRefIter.Result().ObjectName))
}
if err := forEachRefIter.Err(); err != nil {
// git uses exit status 129 to indicate errors in command line usage
// https://www.git-scm.com/docs/api-error-handling
if strings.Contains(err.Error(), "exit status 129") {
return nil, structerr.NewInvalidArgument("%w", err)
}
return nil, structerr.NewInternal("%w", err)
}
return &gitalypb.FindRefsByOIDResponse{
Refs: refs,
}, nil
}
func validateFindRefsReq(in *gitalypb.FindRefsByOIDRequest) error {
if err := service.ValidateRepository(in.GetRepository()); err != nil {
return err
}
if in.GetOid() == "" {
return errors.New("empty Oid")
}
return nil
}
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