Add sensitive flag

Do not show commands being ran if sensitive is true

main.go

@@ -15,6 +15,7 @@ type terraform struct {
 	Plan      bool              `json:"plan"`
 	Vars      map[string]string `json:"vars"`
 	Cacert    string            `json:"ca_cert"`
+	Sensitive bool              `json:"sensitive"`
 }
 
 type remote struct {
@@ -49,7 +50,9 @@ func main() {
 		c.Dir = workspace.Path
 		c.Stdout = os.Stdout
 		c.Stderr = os.Stderr
+		if !vargs.Sensitive {
 			trace(c)
+		}
 
 		err := c.Run()
 		if err != nil {