moby/builder/dockerfile/support.go
John Howard b18ae8c9cc Builder default shell
Signed-off-by: John Howard <jhoward@microsoft.com>
2016-06-03 13:54:31 -07:00

19 lines
539 B
Go

package dockerfile
import "strings"
// handleJSONArgs parses command passed to CMD, ENTRYPOINT, RUN and SHELL instruction in Dockerfile
// for exec form it returns untouched args slice
// for shell form it returns concatenated args as the first element of a slice
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, " ")}
}