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kubectl/cmd: many small refactors

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* Rename variables and functions to match Go convention.
   For example, UsageError --> UsageErrorf.
 * Remove redundant or unreachable code.
 * Simplify some utility functions (no functionality changes).
 * Fix hanging 'if { return } else { return }' constructs.
 * Fix several incorrect printf verbs.
This commit is contained in:
Alexander Campbell
2017-06-14 14:14:42 -07:00
parent 98ee52ed78
commit 6fd36c10ad
46 changed files with 148 additions and 155 deletions
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2
pkg/kubectl/cmd/drain.go
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@@ -197,7 +197,7 @@ func NewCmdDrain(f cmdutil.Factory, out, errOut io.Writer) *cobra.Command {
func (o *DrainOptions) SetupDrain(cmd *cobra.Command, args []string) error {
var err error
if len(args) != 1 {
return cmdutil.UsageError(cmd, fmt.Sprintf("USAGE: %s [flags]", cmd.Use))
return cmdutil.UsageErrorf(cmd, "USAGE: %s [flags]", cmd.Use)
}
if o.client, err = o.Factory.ClientSet(); err != nil {