moby/builder/dockerfile/support.go

package dockerfile

import "strings"

func handleJSONArgs(args []string, attributes map[string]bool) []string {
	if len(args) == 0 {
		return []string{}
	}

	if attributes != nil && attributes["json"] {
		return args
	}

	// literal string command, not an exec array
	return []string{strings.Join(args, " ")}
}