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prevent flag grouping with --

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Docker-DCO-1.1-Signed-off-by: Victor Vieux <victor.vieux@docker.com> (github: vieux)
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Victor Vieux
2014-03-03 19:17:28 +00:00
parent 23ec7e637c
commit cb3d27d01b
1 changed files with 3 additions and 0 deletions
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3
pkg/mflag/flag.go
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@@ -772,6 +772,9 @@ func (f *FlagSet) parseOne() (bool, string, error) {
f.usage()
return false, "", ErrHelp
}
if len(name) > 0 && name[0] == '-' {
return false, "", f.failf("flag provided but not defined: -%s", name)
}
return false, name, ErrRetry
}
if fv, ok := flag.Value.(boolFlag); ok && fv.IsBoolFlag() { // special case: doesn't need an arg