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fix usage for completly deprecated flag

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Docker-DCO-1.1-Signed-off-by: Victor Vieux <victor.vieux@docker.com> (github: vieux)
This commit is contained in:
Victor Vieux 2014-03-05 19:27:39 +00:00
parent e8163b809b
commit a5ba28e1f7
2 changed files with 4 additions and 1 deletions
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1
mflag/example/example.go
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@ -12,6 +12,7 @@ var (
) )
func init() { func init() {
flag.Bool([]string{"#hp", "#-halp"}, false, "display the halp")
flag.BoolVar(&b, []string{"b"}, false, "a simple bool") flag.BoolVar(&b, []string{"b"}, false, "a simple bool")
flag.BoolVar(&b2, []string{"-bool"}, false, "a simple bool") flag.BoolVar(&b2, []string{"-bool"}, false, "a simple bool")
flag.IntVar(&i, []string{"#integer", "-integer"}, -1, "a simple integer") flag.IntVar(&i, []string{"#integer", "-integer"}, -1, "a simple integer")

4
mflag/flag.go
View file

@ -404,7 +404,9 @@ func (f *FlagSet) PrintDefaults() {
names = append(names, name) names = append(names, name)
} }
} }
fmt.Fprintf(f.out(), format, strings.Join(names, ", -"), flag.DefValue, flag.Usage) if len(names) > 0 {
fmt.Fprintf(f.out(), format, strings.Join(names, ", -"), flag.DefValue, flag.Usage)
}
}) })
} }