New flag to oc new-build to produce no output

contrib/completions/bash/oc

@@ -986,6 +986,7 @@ _oc_new-build()
     two_word_flags+=("-l")
     flags+=("--name=")
     flags+=("--no-headers")
+    flags+=("--no-output")
     flags+=("--output=")
     two_word_flags+=("-o")
     flags+=("--output-version=")

contrib/completions/bash/openshift

@@ -5713,6 +5713,7 @@ _openshift_cli_new-build()
     two_word_flags+=("-l")
     flags+=("--name=")
     flags+=("--no-headers")
+    flags+=("--no-output")
     flags+=("--output=")
     two_word_flags+=("-o")
     flags+=("--output-version=")

pkg/cmd/cli/cmd/newbuild.go

@@ -108,6 +108,7 @@ func NewCmdNewBuild(fullName string, f *clientcmd.Factory, in io.Reader, out io.
 	cmd.Flags().BoolVar(&config.AllowMissingImages, "allow-missing-images", false, "If true, indicates that referenced Docker images that cannot be found locally or in a registry should still be used.")
 	cmd.Flags().StringVar(&config.ContextDir, "context-dir", "", "Context directory to be used for the build.")
 	cmd.Flags().BoolVar(&config.DryRun, "dry-run", false, "If true, do not actually create resources.")
+	cmd.Flags().BoolVar(&config.NoOutput, "no-output", false, "If true, the build output will not be pushed anywhere.")
 	cmdutil.AddPrinterFlags(cmd)
 
 	return cmd

pkg/generate/app/cmd/newapp.go

@@ -66,6 +66,7 @@ type AppConfig struct {
 	Strategy         string
 	InsecureRegistry bool
 	OutputDocker     bool
+	NoOutput         bool
 
 	ExpectToBuild      bool
 	BinaryBuild        bool
@@ -619,6 +620,9 @@ func (c *AppConfig) buildPipelines(components app.ComponentReferences, environme
 					return nil, fmt.Errorf("can't set up a deployment for %q: %v", refInput, err)
 				}
 			}
+			if c.NoOutput {
+				pipeline.Build.Output = nil
+			}
 			common = append(common, pipeline)
 			if err := common.Reduce(); err != nil {
 				return nil, fmt.Errorf("can't create a pipeline from %s: %v", common, err)

pkg/generate/app/cmd/newapp_test.go

@@ -1073,6 +1073,56 @@ func TestRunBuilds(t *testing.T) {
 				"imageStream": {"origin"},
 			},
 		},
+		{
+			name: "successful build with no output",
+			config: &AppConfig{
+				Dockerfile: "FROM centos",
+				NoOutput:   true,
+
+				dockerSearcher: dockerSearcher,
+				imageStreamSearcher: app.ImageStreamSearcher{
+					Client:            &client.Fake{},
+					ImageStreamImages: &client.Fake{},
+					Namespaces:        []string{"default"},
+				},
+				imageStreamByAnnotationSearcher: &app.ImageStreamByAnnotationSearcher{
+					Client:            &client.Fake{},
+					ImageStreamImages: &client.Fake{},
+					Namespaces:        []string{"default"},
+				},
+				templateSearcher: app.TemplateSearcher{
+					Client: &client.Fake{},
+					TemplateConfigsNamespacer: &client.Fake{},
+					Namespaces:                []string{"openshift", "default"},
+				},
+
+				detector: app.SourceRepositoryEnumerator{
+					Detectors: source.DefaultDetectors,
+					Tester:    dockerfile.NewTester(),
+				},
+				typer:           kapi.Scheme,
+				osclient:        &client.Fake{},
+				originNamespace: "default",
+			},
+			expected: map[string][]string{
+				"buildConfig": {"centos"},
+				"imageStream": {"centos"},
+			},
+			checkResult: func(res *AppResult) error {
+				for _, item := range res.List.Items {
+					switch t := item.(type) {
+					case *buildapi.BuildConfig:
+						got := t.Spec.Output.To
+						want := (*kapi.ObjectReference)(nil)
+						if !reflect.DeepEqual(got, want) {
+							return fmt.Errorf("build.Spec.Output.To = %v; want %v", got, want)
+						}
+						return nil
+					}
+				}
+				return fmt.Errorf("BuildConfig not found; got %v", res.List.Items)
+			},
+		},
 		{
 			name: "successful build from dockerfile with custom name",
 			config: &AppConfig{

test/cmd/builds.sh

@@ -49,6 +49,11 @@ os::cmd::expect_success_and_text "oc get bc/origin-test2 --template '${template}
 
 os::cmd::expect_failure_and_text 'oc new-build centos/ruby-22-centos7~https://github.com/openshift/ruby-ex centos/php-56-centos7~https://github.com/openshift/cakephp-ex --to invalid/argument' 'error: only one component or source repository can be used when specifying an output image reference'
 
+os::cmd::expect_success 'oc delete all --all'
+
+os::cmd::expect_success "oc new-build -D \$'FROM centos:7' --no-output"
+os::cmd::expect_success_and_text 'oc get bc/centos -o=jsonpath="{.spec.output.to}"' '^<nil>$'
+
 os::cmd::expect_success 'oc delete all --all'
 os::cmd::expect_success 'oc process -f examples/sample-app/application-template-dockerbuild.json -l build=docker | oc create -f -'
 os::cmd::expect_success 'oc get buildConfigs'