diff options
Diffstat (limited to 'flag.go')
| -rw-r--r-- | flag.go | 9 |
1 files changed, 9 insertions, 0 deletions
@@ -406,6 +406,7 @@ func (f *FlagSet) Set(name, value string) error { if !ok { return fmt.Errorf("no such flag -%v", name) } + err := flag.Value.Set(value) if err != nil { var flagName string @@ -416,12 +417,15 @@ func (f *FlagSet) Set(name, value string) error { } return fmt.Errorf("invalid argument %q for %q flag: %v", value, flagName, err) } + if f.actual == nil { f.actual = make(map[NormalizedName]*Flag) } f.actual[normalName] = flag f.orderedActual = append(f.orderedActual, flag) + flag.Changed = true + if len(flag.Deprecated) > 0 { fmt.Fprintf(f.out(), "Flag --%s has been deprecated, %s\n", flag.Name, flag.Deprecated) } @@ -990,6 +994,11 @@ func (f *FlagSet) parseArgs(args []string, fn parseFunc) (err error) { // The return value will be ErrHelp if -help was set but not defined. func (f *FlagSet) Parse(arguments []string) error { f.parsed = true + + if len(arguments) < 0 { + return nil + } + f.args = make([]string, 0, len(arguments)) set := func(flag *Flag, value string) error { |