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package gitaly
import (
"context"
"io"
"gitlab.com/gitlab-org/cluster-integration/gitlab-agent/v16/internal/gitaly/vendored/gitalypb"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
type PathEntryVisitor interface {
Entry(*gitalypb.TreeEntry) (bool /* done? */, error)
}
type PathVisitor struct {
Client gitalypb.CommitServiceClient
Features map[string]string
}
func (v *PathVisitor) Visit(ctx context.Context, repo *gitalypb.Repository, revision, repoPath []byte, recursive bool, visitor PathEntryVisitor) error {
ctx, cancel := context.WithCancel(appendFeatureFlagsToContext(ctx, v.Features))
defer cancel() // ensure streaming call is canceled
entries, err := v.Client.GetTreeEntries(ctx, &gitalypb.GetTreeEntriesRequest{
Repository: repo,
Revision: revision,
Path: repoPath,
Recursive: recursive,
})
if err != nil {
return NewRPCError(err, "GetTreeEntries", string(repoPath))
}
entriesLoop:
for {
resp, err := entries.Recv()
if err != nil {
if err == io.EOF { //nolint:errorlint
break
}
switch status.Code(err) { //nolint:exhaustive
case codes.NotFound:
return NewNotFoundError("GetTreeEntries.Recv", string(repoPath))
case codes.InvalidArgument:
return NewInvalidArgument(err, "GetTreeEntries.Recv", string(repoPath))
default:
return NewRPCError(err, "GetTreeEntries.Recv", string(repoPath))
}
}
for _, entry := range resp.Entries {
done, err := visitor.Entry(entry)
if err != nil {
return err // don't wrap
}
if done {
break entriesLoop
}
}
}
return nil
}
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