cli/command/stack: use strings.Cut
@@ -104,12 +104,12 @@ func GetConfigDetails(composefiles []string, stdin io.Reader) (composetypes.Conf
func buildEnvironment(env []string) (map[string]string, error) {
result := make(map[string]string, len(env))
for _, s := range env {
- // if value is empty, s is like "K=", not "K".
- if !strings.Contains(s, "=") {
+ k, v, ok := strings.Cut(s, "=")
+ if !ok || k == "" {
return result, errors.Errorf("unexpected environment %q", s)
}
- kv := strings.SplitN(s, "=", 2)
- result[kv[0]] = kv[1]
+ // value may be set, but empty if "s" is like "K=", not "K".
+ result[k] = v
}
return result, nil
}
