| package builder |
| |
| import ( |
| "strings" |
| |
| "github.com/moby/buildkit/solver/errdefs" |
| "github.com/moby/buildkit/util/grpcerrors" |
| "github.com/moby/buildkit/util/stack" |
| "google.golang.org/grpc/codes" |
| ) |
| |
| var enabledCaps = map[string]struct{}{ |
| "moby.buildkit.frontend.inputs": {}, |
| "moby.buildkit.frontend.subrequests": {}, |
| } |
| |
| func validateCaps(req string) (forward bool, err error) { |
| if req == "" { |
| return |
| } |
| caps := strings.Split(req, ",") |
| for _, c := range caps { |
| parts := strings.SplitN(c, "+", 2) |
| if _, ok := enabledCaps[parts[0]]; !ok { |
| err = stack.Enable(grpcerrors.WrapCode(errdefs.NewUnsupportedFrontendCapError(parts[0]), codes.Unimplemented)) |
| if strings.Contains(c, "+forward") { |
| forward = true |
| } else { |
| return false, err |
| } |
| } |
| } |
| return |
| } |
