Make --attach case-insensitive
Docker-DCO-1.1-Signed-off-by: Tibor Vass (github: tiborvass)
@@ -87,10 +87,13 @@ func (opts *ListOpts) Len() int {
type ValidatorFctType func(val string) (string, error)
func ValidateAttach(val string) (string, error) {
- if val != "stdin" && val != "stdout" && val != "stderr" {
- return val, fmt.Errorf("Unsupported stream name: %s", val)
+ s := strings.ToLower(val)
+ for _, str := range []string{"stdin", "stdout", "stderr"} {
+ if s == str {
+ return s, nil
}
- return val, nil
+ }
+ return val, fmt.Errorf("valid streams are STDIN, STDOUT and STDERR.")
}
func ValidateLink(val string) (string, error) {
