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Customizable error message prefix (#2023)

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Souma
2023-09-09 02:29:06 +09:00
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commit 0c72800b8d
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@ -596,6 +596,12 @@ Running an application with the '--version' flag will print the version to stdou
the version template. The template can be customized using the
`cmd.SetVersionTemplate(s string)` function.
## Error Message Prefix
Cobra prints an error message when receiving a non-nil error value.
The default error message is `Error: <error contents>`.
The Prefix, `Error:` can be customized using the `cmd.SetErrPrefix(s string)` function.
## PreRun and PostRun Hooks
It is possible to run functions before or after the main `Run` function of your command. The `PersistentPreRun` and `PreRun` functions will be executed before `Run`. `PersistentPostRun` and `PostRun` will be executed after `Run`. The `Persistent*Run` functions will be inherited by children if they do not declare their own. These functions are run in the following order: