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make sure that flagVars is not a nil map

This commit is contained in:
Megan Marsh 2017-07-06 09:26:44 -07:00
parent 8d98ff46b5
commit 17d3671601
1 changed files with 3 additions and 0 deletions
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3
command/meta.go
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@ -120,6 +120,9 @@ func (m *Meta) FlagSet(n string, fs FlagSetFlags) *flag.FlagSet {
f.Var((*kvflag.Flag)(&m.flagVars), "var", "") f.Var((*kvflag.Flag)(&m.flagVars), "var", "")
f.Var((*kvflag.FlagJSON)(&m.flagVars), "var-file", "") f.Var((*kvflag.FlagJSON)(&m.flagVars), "var-file", "")
} }
if len(m.flagVars) == 0 {
m.flagVars = make(map[string]string)
}
// Create an io.Writer that writes to our Ui properly for errors. // Create an io.Writer that writes to our Ui properly for errors.
// This is kind of a hack, but it does the job. Basically: create // This is kind of a hack, but it does the job. Basically: create