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add a hint about the disabling completion descriptions to document

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Shihta Kuan 2023-01-30 11:37:53 +08:00
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shell_completions.md
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@ -173,6 +173,21 @@ backend frontend database
Note that without declaring `rc` as an alias, the completion algorithm would not know to show the list of
replication controllers following `rc`.
#### Disable completion descriptions
If you don't want to show descriptions in the completion, you can add `--no-descriptions` to disable it, like:
```bash
$ source <(helm completion bash)
$ helm completion [tab][tab]
bash (generate autocompletion script for bash) powershell (generate autocompletion script for powershell)
fish (generate autocompletion script for fish) zsh (generate autocompletion script for zsh)
$ source <(helm completion bash --no-descriptions)
$ helm completion [tab][tab]
bash fish powershell zsh
```
### Dynamic completion of nouns
In some cases it is not possible to provide a list of completions in advance. Instead, the list of completions must be determined at execution-time. In a similar fashion as for static completions, you can use the `ValidArgsFunction` field to provide a Go function that Cobra will execute when it needs the list of completion choices for the nouns of a command. Note that either `ValidArgs` or `ValidArgsFunction` can be used for a single cobra command, but not both.