Use sigs.k8s.io/yaml since it respects omitempty

cmd/internal/util/dump_spec.go

@@ -7,10 +7,11 @@ import (
 	"github.com/pkg/errors"
 	"github.com/replicatedhq/troubleshoot/internal/specs"
 	"github.com/replicatedhq/troubleshoot/pkg/k8sutil"
+	"github.com/replicatedhq/troubleshoot/pkg/logger"
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
-	"gopkg.in/yaml.v2"
 	"k8s.io/client-go/kubernetes"
+	"sigs.k8s.io/yaml"
 )
 
 func DumpSpecCmd() *cobra.Command {
@@ -22,6 +23,15 @@ func DumpSpecCmd() *cobra.Command {
 			return printSpecs(args)
 		},
 	}
+
+	cmd.Flags().StringSliceP("selector", "l", []string{"troubleshoot.sh/kind=support-bundle"}, "selector to filter on for loading additional support bundle specs found in secrets within the cluster")
+	cmd.Flags().Bool("load-cluster-specs", false, "enable/disable loading additional troubleshoot specs found within the cluster. required when no specs are provided on the command line")
+
+	// Initialize klog flags
+	logger.InitKlogFlags(cmd)
+
+	k8sutil.AddFlags(cmd.Flags())
+
 	return cmd
 }