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Initialize the --help flag as late as possible

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This should let users overwrite it with something custom. Like the help
sub-command.
This commit is contained in:
Eric Paris 2015-08-30 12:10:14 -04:00
parent 7cd6c9c000
commit bab6d45bc6
1 changed files with 3 additions and 1 deletions
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4
command.go
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@ -561,6 +561,9 @@ func (c *Command) Execute() (err error) {
}
func (c *Command) initHelp() {
if c.Flags().Lookup("help") == nil {
c.Flags().BoolVarP(&c.helpFlagVal, "help", "h", false, "help for "+c.Name())
}
if c.helpCommand == nil {
if !c.HasSubCommands() {
return
@ -859,7 +862,6 @@ func (c *Command) Flags() *flag.FlagSet {
c.flagErrorBuf = new(bytes.Buffer)
}
c.flags.SetOutput(c.flagErrorBuf)
c.PersistentFlags().BoolVarP(&c.helpFlagVal, "help", "h", false, "help for "+c.Name())
}
return c.flags
}