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Expose OutOrStdout and OutOrStderr and don't make assumptions if output is not set

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This commit is contained in:
Fabiano Franz 2016-07-15 17:12:07 -03:00
parent a272c3cbd5
commit 20217d8f5e
2 changed files with 10 additions and 10 deletions
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2
cobra_test.go
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@ -646,7 +646,7 @@ func TestSubcommandArgEvaluation(t *testing.T) {
second := &Command{
Use: "second",
Run: func(cmd *Command, args []string) {
fmt.Fprintf(cmd.getOutOrStdout(), "%v", args)
fmt.Fprintf(cmd.OutOrStdout(), "%v", args)
},
}
first.AddCommand(second)

18
command.go
View File

@ -110,7 +110,7 @@ type Command struct {
flagErrorBuf *bytes.Buffer
args []string // actual args parsed from flags
output *io.Writer // nil means stderr; use Out() method instead
output *io.Writer // out writer if set in SetOutput(w)
usageFunc func(*Command) error // Usage can be defined by application
usageTemplate string // Can be defined by Application
helpTemplate string // Can be defined by Application
@ -176,11 +176,11 @@ func (c *Command) SetGlobalNormalizationFunc(n func(f *flag.FlagSet, name string
}
}
func (c *Command) getOutOrStdout() io.Writer {
func (c *Command) OutOrStdout() io.Writer {
return c.getOut(os.Stdout)
}
func (c *Command) getOutOrStderr() io.Writer {
func (c *Command) OutOrStderr() io.Writer {
return c.getOut(os.Stderr)
}
@ -236,7 +236,7 @@ func (c *Command) HelpFunc() func(*Command, []string) {
// Can be defined by user by overriding UsageFunc
func (c *Command) Usage() error {
c.mergePersistentFlags()
err := tmpl(c.getOutOrStderr(), c.UsageTemplate(), c)
err := tmpl(c.OutOrStderr(), c.UsageTemplate(), c)
return err
}
@ -245,7 +245,7 @@ func (c *Command) Usage() error {
// by the default HelpFunc in the commander
func (c *Command) Help() error {
c.mergePersistentFlags()
err := tmpl(c.getOutOrStdout(), c.HelpTemplate(), c)
err := tmpl(c.OutOrStdout(), c.HelpTemplate(), c)
return err
}
@ -833,18 +833,18 @@ main:
}
}
// Print is a convenience method to Print to the defined output
// Print is a convenience method to Print to the defined output, fallback to Stderr if not set
func (c *Command) Print(i ...interface{}) {
fmt.Fprint(c.getOutOrStderr(), i...)
fmt.Fprint(c.OutOrStderr(), i...)
}
// Println is a convenience method to Println to the defined output
// Println is a convenience method to Println to the defined output, fallback to Stderr if not set
func (c *Command) Println(i ...interface{}) {
str := fmt.Sprintln(i...)
c.Print(str)
}
// Printf is a convenience method to Printf to the defined output
// Printf is a convenience method to Printf to the defined output, fallback to Stderr if not set
func (c *Command) Printf(format string, i ...interface{}) {
str := fmt.Sprintf(format, i...)
c.Print(str)