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Add notes to doc about the execution condition of *PreRun and *PostRun functions #2041

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Oct 9, 2023
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Add notes to doc about the execution condition of *PreRun and *PostRun functions #2041

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2 changes: 2 additions & 0 deletions command.go
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Original file line number Diff line number Diff line change
Expand Up @@ -115,6 +115,8 @@ type Command struct {
// * PostRun()
// * PersistentPostRun()
// 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 func(cmd *Command, args []string)
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2 changes: 1 addition & 1 deletion site/content/user_guide.md
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Expand Up @@ -604,7 +604,7 @@ The Prefix, `Error:` can be customized using the `cmd.SetErrPrefix(s string)` fu

## 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`
- `PreRun`
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