1 files changed, 18 insertions, 5 deletions
diff --git a/vendor/github.com/openshift/imagebuilder/dispatchers.go b/vendor/github.com/openshift/imagebuilder/dispatchers.go
index 068d5cc6f..f6510c2fd 100644
--- a/vendor/github.com/openshift/imagebuilder/dispatchers.go
+++ b/vendor/github.com/openshift/imagebuilder/dispatchers.go
@@ -27,11 +27,6 @@ var (
 	obRgex = regexp.MustCompile(`(?i)^\s*ONBUILD\s*`)
 )
 
-// dispatch with no layer / parsing. This is effectively not a command.
-func nullDispatch(b *Builder, args []string, attributes map[string]bool, flagArgs []string, original string) error {
-	return nil
-}
-
 // ENV foo bar
 //
 // Sets the environment variable foo to bar, also makes interpolation
@@ -181,6 +176,17 @@ func from(b *Builder, args []string, attributes map[string]bool, flagArgs []stri
 	}
 
 	name := args[0]
+
+	// Support ARG before from
+	argStrs := []string{}
+	for n, v := range b.Args {
+		argStrs = append(argStrs, n+"="+v)
+	}
+	var err error
+	if name, err = ProcessWord(name, argStrs); err != nil {
+		return err
+	}
+
 	// Windows cannot support a container with no base image.
 	if name == NoBaseImageSpecifier {
 		if runtime.GOOS == "windows" {
@@ -438,6 +444,7 @@ func healthcheck(b *Builder, args []string, attributes map[string]bool, flagArgs
 		healthcheck := docker.HealthConfig{}
 
 		flags := flag.NewFlagSet("", flag.ContinueOnError)
+		flags.String("start-period", "", "")
 		flags.String("interval", "", "")
 		flags.String("timeout", "", "")
 		flRetries := flags.String("retries", "", "")
@@ -462,6 +469,12 @@ func healthcheck(b *Builder, args []string, attributes map[string]bool, flagArgs
 			return fmt.Errorf("Unknown type %#v in HEALTHCHECK (try CMD)", typ)
 		}
 
+		period, err := parseOptInterval(flags.Lookup("start-period"))
+		if err != nil {
+			return err
+		}
+		healthcheck.StartPeriod = period
+
 		interval, err := parseOptInterval(flags.Lookup("interval"))
 		if err != nil {
 			return err