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Handle errors in built-in help command

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This commit is contained in:
Mislav Marohnić 2022-05-23 19:31:58 +02:00
parent ed27f317d7
commit 89ff61a542
1 changed files with 7 additions and 6 deletions
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13
command.go
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@ -1115,15 +1115,16 @@ Simply type ` + c.Name() + ` help [path to command] for full details.`,
}
return completions, ShellCompDirectiveNoFileComp
},
Run: func(c *Command, args []string) {
RunE: func(c *Command, args []string) error {
cmd, _, e := c.Root().Find(args)
if cmd == nil || e != nil {
if e != nil {
return e
} else if cmd == nil {
c.PrintErrf("Unknown help topic %#q\n", args)
CheckErr(c.Root().Usage())
} else {
cmd.InitDefaultHelpFlag() // make possible 'help' flag to be shown
CheckErr(cmd.Help())
return c.Root().Usage()
}
cmd.InitDefaultHelpFlag() // make possible 'help' flag to be shown
return cmd.Help()
},
}
}