diff --git a/agent/agent.go b/agent/agent.go
index d911c565..93fc0e55 100644
--- a/agent/agent.go
+++ b/agent/agent.go
@@ -29,7 +29,6 @@ type Agent struct {
 	Platform  string
 	Namespace string
 	Extension []string
-	Disable   []string
 	Escalate  []string
 	Netrc     []string
 	Local     string
@@ -187,7 +186,7 @@ func (a *Agent) prep(w *model.Work) (*yaml.Config, error) {
 	transform.PluginParams(conf)
 
 	if a.Local != "" {
-		transform.PluginDisable(conf, a.Disable)
+		transform.PluginDisable(conf, true)
 		transform.ImageVolume(conf, []string{a.Local + ":" + conf.Workspace.Path})
 	}
 
diff --git a/drone/exec.go b/drone/exec.go
index 9c326c46..37c636f8 100644
--- a/drone/exec.go
+++ b/drone/exec.go
@@ -33,11 +33,6 @@ var execCmd = cli.Command{
 			Usage:  "build from local directory",
 			EnvVar: "DRONE_LOCAL",
 		},
-		cli.StringSliceFlag{
-			Name:   "plugin",
-			Usage:  "plugin steps to enable",
-			EnvVar: "DRONE_PLUGIN_ENABLE",
-		},
 		cli.StringSliceFlag{
 			Name:   "secret",
 			Usage:  "build secrets in KEY=VALUE format",
@@ -70,12 +65,6 @@ var execCmd = cli.Command{
 			Name:   "pull",
 			Usage:  "always pull latest plugin images",
 		},
-		cli.StringFlag{
-			EnvVar: "DRONE_PLUGIN_NAMESPACE",
-			Name:   "namespace",
-			Value:  "plugins",
-			Usage:  "default plugin image namespace",
-		},
 		cli.StringSliceFlag{
 			EnvVar: "DRONE_PLUGIN_PRIVILEGED",
 			Name:   "privileged",
@@ -157,7 +146,7 @@ var execCmd = cli.Command{
 			Usage:  "repository is private",
 			EnvVar: "DRONE_REPO_PRIVATE",
 		},
-		cli.BoolFlag{
+		cli.BoolTFlag{
 			Name:   "repo.trusted",
 			Usage:  "repository is trusted",
 			EnvVar: "DRONE_REPO_TRUSTED",
@@ -326,17 +315,15 @@ func exec(c *cli.Context) error {
 	}
 
 	a := agent.Agent{
-		Update:    agent.NoopUpdateFunc,
-		Logger:    agent.TermLoggerFunc,
-		Engine:    engine,
-		Timeout:   c.Duration("timeout.inactivity"),
-		Platform:  "linux/amd64",
-		Namespace: c.String("namespace"),
-		Disable:   c.StringSlice("plugin"),
-		Escalate:  c.StringSlice("privileged"),
-		Netrc:     []string{},
-		Local:     dir,
-		Pull:      c.Bool("pull"),
+		Update:   agent.NoopUpdateFunc,
+		Logger:   agent.TermLoggerFunc,
+		Engine:   engine,
+		Timeout:  c.Duration("timeout.inactivity"),
+		Platform: "linux/amd64",
+		Escalate: c.StringSlice("privileged"),
+		Netrc:    []string{},
+		Local:    dir,
+		Pull:     c.Bool("pull"),
 	}
 
 	payload := &model.Work{
@@ -353,7 +340,7 @@ func exec(c *cli.Context) error {
 			Avatar:    c.String("repo.avatar"),
 			Timeout:   int64(c.Duration("timeout").Minutes()),
 			IsPrivate: c.Bool("repo.private"),
-			IsTrusted: c.Bool("repo.trusted"),
+			IsTrusted: c.BoolT("repo.trusted"),
 			Clone:     c.String("remote.url"),
 		},
 		System: &model.System{
diff --git a/yaml/constraint.go b/yaml/constraint.go
index acf2f060..07608a68 100644
--- a/yaml/constraint.go
+++ b/yaml/constraint.go
@@ -10,13 +10,13 @@ import (
 type Constraints struct {
 	Repo        Constraint
 	Ref         Constraint
-	Refspec     Constraint
 	Platform    Constraint
 	Environment Constraint
 	Event       Constraint
 	Branch      Constraint
 	Status      Constraint
 	Matrix      ConstraintMap
+	Local       types.BoolTrue
 }
 
 // Match returns true if all constraints match the given input. If a single constraint
diff --git a/yaml/transform/plugin.go b/yaml/transform/plugin.go
index be0557bd..7bc1463d 100644
--- a/yaml/transform/plugin.go
+++ b/yaml/transform/plugin.go
@@ -1,29 +1,20 @@
 package transform
 
-import (
-	"path/filepath"
-
-	"github.com/drone/drone/yaml"
-)
+import "github.com/drone/drone/yaml"
 
 // PluginDisable is a transform function that alters the Yaml configuration to
 // disables plugins. This is intended for use when executing the pipeline
 // locally on your own computer.
-func PluginDisable(conf *yaml.Config, patterns []string) error {
+func PluginDisable(conf *yaml.Config, local bool) error {
 	for _, container := range conf.Pipeline {
-		if len(container.Commands) != 0 { // skip build steps
-			continue
-		}
-		var match bool
-		for _, pattern := range patterns {
-			if ok, _ := filepath.Match(pattern, container.Name); ok {
-				match = true
-				break
-			}
-		}
-		if !match {
+		if local && !container.Constraints.Local.Bool() {
 			container.Disabled = true
 		}
+
+		if isClone(container) {
+			container.Disabled = true
+			continue
+		}
 	}
 	return nil
 }
diff --git a/yaml/transform/secret.go b/yaml/transform/secret.go
index 69054c6c..fb355f21 100644
--- a/yaml/transform/secret.go
+++ b/yaml/transform/secret.go
@@ -5,6 +5,10 @@ import (
 	"github.com/drone/drone/yaml"
 )
 
+//
+// TODO remove
+//
+
 func ImageSecrets(c *yaml.Config, secrets []*model.Secret, event string) error {
 	var images []*yaml.Container
 	images = append(images, c.Pipeline...)
diff --git a/yaml/transform/volume.go b/yaml/transform/volume.go
index e42a9ee6..39678b10 100644
--- a/yaml/transform/volume.go
+++ b/yaml/transform/volume.go
@@ -2,6 +2,7 @@ package transform
 
 import "github.com/drone/drone/yaml"
 
+// ImageVolume mounts a default volume (used for drone exec)
 func ImageVolume(conf *yaml.Config, volumes []string) error {
 
 	if len(volumes) == 0 {
diff --git a/yaml/types/bool.go b/yaml/types/bool.go
index ac7d295c..17a7aa9a 100644
--- a/yaml/types/bool.go
+++ b/yaml/types/bool.go
@@ -15,14 +15,14 @@ func (b *BoolTrue) UnmarshalYAML(unmarshal func(interface{}) error) error {
 		return err
 	}
 
-	b.value, err = strconv.ParseBool(s)
-	if err != nil {
-		b.value = true
+	value, err := strconv.ParseBool(s)
+	if err == nil {
+		b.value = !value
 	}
 	return nil
 }
 
 // Bool returns the bool value.
 func (b BoolTrue) Bool() bool {
-	return b.value
+	return !b.value
 }
diff --git a/yaml/types/bool_test.go b/yaml/types/bool_test.go
index 641b74c0..b864349f 100644
--- a/yaml/types/bool_test.go
+++ b/yaml/types/bool_test.go
@@ -40,7 +40,7 @@ func TestBoolTrue(t *testing.T) {
 				if err != nil {
 					g.Fail(err)
 				}
-				g.Assert(out.Bool()).Equal(false)
+				g.Assert(out.Bool()).Equal(true)
 			})
 
 			g.It("should throw error when invalid", func() {