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Remove (unused) cmdErrorBuf

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Nothing was using it any more...
This commit is contained in:
Eric Paris 2015-06-09 15:04:14 -04:00
parent d0bb3e33e6
commit 0a1a8e2e92
1 changed files with 0 additions and 13 deletions
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13
command.go
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@ -84,7 +84,6 @@ type Command struct {
commandsMaxNameLen int commandsMaxNameLen int
flagErrorBuf *bytes.Buffer flagErrorBuf *bytes.Buffer
cmdErrorBuf *bytes.Buffer
args []string // actual args parsed from flags args []string // actual args parsed from flags
output *io.Writer // nil means stderr; use Out() method instead output *io.Writer // nil means stderr; use Out() method instead
@ -458,17 +457,7 @@ func (c *Command) execute(a []string) (err error) {
return nil return nil
} }
if err != nil { if err != nil {
// We're writing subcommand usage to root command's error buffer to have it displayed to the user
r := c.Root()
if r.cmdErrorBuf == nil {
r.cmdErrorBuf = new(bytes.Buffer)
}
// for writing the usage to the buffer we need to switch the output temporarily
// since Out() returns root output, you also need to revert that on root
out := r.Out()
r.SetOutput(r.cmdErrorBuf)
c.Usage() c.Usage()
r.SetOutput(out)
return err return err
} }
// If help is called, regardless of other flags, we print that. // If help is called, regardless of other flags, we print that.
@ -595,8 +584,6 @@ func (c *Command) initHelp() {
func (c *Command) ResetCommands() { func (c *Command) ResetCommands() {
c.commands = nil c.commands = nil
c.helpCommand = nil c.helpCommand = nil
c.cmdErrorBuf = new(bytes.Buffer)
c.cmdErrorBuf.Reset()
} }
//Commands returns a slice of child commands. //Commands returns a slice of child commands.