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Properly swallowing flag error messages

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spf13 2013-09-03 19:17:58 -04:00
parent 1be06e4e1a
commit ce6447a965
1 changed files with 7 additions and 0 deletions
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7
cobra.go
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@ -210,6 +210,9 @@ func (c *Command) HasParent() bool {
func (c *Command) Flags() *flag.FlagSet {
if c.flags == nil {
c.flags = flag.NewFlagSet(c.Name(), flag.ContinueOnError)
if c.flagErrorBuf == nil {
c.flagErrorBuf = new(bytes.Buffer)
}
c.flags.SetOutput(c.flagErrorBuf)
}
return c.flags
@ -219,6 +222,9 @@ func (c *Command) Flags() *flag.FlagSet {
func (c *Command) PersistentFlags() *flag.FlagSet {
if c.pflags == nil {
c.pflags = flag.NewFlagSet(c.Name(), flag.ContinueOnError)
if c.flagErrorBuf == nil {
c.flagErrorBuf = new(bytes.Buffer)
}
c.pflags.SetOutput(c.flagErrorBuf)
}
return c.flags
@ -226,6 +232,7 @@ func (c *Command) PersistentFlags() *flag.FlagSet {
// Intended for use in testing
func (c *Command) ResetFlags() {
c.flagErrorBuf = new(bytes.Buffer)
c.flags = flag.NewFlagSet(c.Name(), flag.ContinueOnError)
c.flags.SetOutput(c.flagErrorBuf)
c.pflags = flag.NewFlagSet(c.Name(), flag.ContinueOnError)