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Remove some wonky error handling, as upstream seems correct now.

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Also, it's buggy for nested commands.
This commit is contained in:
Brendan Burns 2015-03-11 10:22:30 -07:00 committed by spf13
parent f479c924b8
commit 9e7273d546
1 changed files with 17 additions and 6 deletions
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15
command.go
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@ -263,7 +263,11 @@ func isBooleanFlag(name string, f *flag.FlagSet) bool {
// Test if the named flag is a boolean flag.
func isBooleanShortFlag(name string, f *flag.FlagSet) bool {
result := false
f.VisitAll(func (f *flag.Flag) { if f.Shorthand == name && f.Value.Type() == "bool" { result = true } })
f.VisitAll(func(f *flag.Flag) {
if f.Shorthand == name && f.Value.Type() == "bool" {
result = true
}
})
return result
}
@ -399,7 +403,10 @@ func (c *Command) execute(a []string) (err error) {
}
err = c.ParseFlags(a)
if err == flag.ErrHelp {
c.Help()
return 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()
@ -519,10 +526,14 @@ func (c *Command) Execute() (err error) {
}
if err != nil {
if err == flag.ErrHelp {
c.Help()
} else {
c.Println("Error:", err.Error())
c.Printf("%v: invalid command %#q\n", c.Root().Name(), os.Args[1:])
c.Printf("Run '%v help' for usage\n", c.Root().Name())
}
}
return
}