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Merge pull request #82423 from sallyom/kubectl-flagerror

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kubectl: remove usage info from bad flag msg, only print help tip
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Kubernetes Prow Robot 2019-10-08 15:42:03 -07:00 committed by GitHub
commit ea4f7853bb
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1 changed files with 13 additions and 0 deletions
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13
staging/src/k8s.io/kubectl/pkg/util/templates/templater.go
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@ -44,6 +44,7 @@ func ActsAsRootCommand(cmd *cobra.Command, filters []string, groups ...CommandGr
CommandGroups: groups,
Filtered: filters,
}
cmd.SetFlagErrorFunc(templater.FlagErrorFunc())
cmd.SetUsageFunc(templater.UsageFunc())
cmd.SetHelpFunc(templater.HelpFunc())
return templater
@ -66,6 +67,18 @@ type templater struct {
Filtered []string
}
func (templater *templater) FlagErrorFunc(exposedFlags ...string) func(*cobra.Command, error) error {
return func(c *cobra.Command, err error) error {
c.SilenceUsage = true
switch c.CalledAs() {
case "options":
return fmt.Errorf("%s\nRun '%s' without flags.", err, c.CommandPath())
default:
return fmt.Errorf("%s\nSee '%s --help' for usage.", err, c.CommandPath())
}
}
}
func (templater *templater) ExposeFlags(cmd *cobra.Command, flags ...string) FlagExposer {
cmd.SetUsageFunc(templater.UsageFunc(flags...))
return templater