Add notes to doc on preRun and postRun condition (#2041)

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Haoming Meng 2023-10-09 07:50:40 -05:00 committed by GitHub
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@ -115,6 +115,8 @@ type Command struct {
// * PostRun() // * PostRun()
// * PersistentPostRun() // * PersistentPostRun()
// All functions get the same args, the arguments after the command name. // All functions get the same args, the arguments after the command name.
// The *PreRun and *PostRun functions will only be executed if the Run function of the current
// command has been declared.
// //
// PersistentPreRun: children of this command will inherit and execute. // PersistentPreRun: children of this command will inherit and execute.
PersistentPreRun func(cmd *Command, args []string) PersistentPreRun func(cmd *Command, args []string)

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@ -604,7 +604,7 @@ The Prefix, `Error:` can be customized using the `cmd.SetErrPrefix(s string)` fu
## PreRun and PostRun Hooks ## 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: 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. The `*PreRun` and `*PostRun` functions will only be executed if the `Run` function of the current command has been declared. These functions are run in the following order:
- `PersistentPreRun` - `PersistentPreRun`
- `PreRun` - `PreRun`