---
id: buf
title: Buf
sidebar_label: Buf
---

## What

Display the currently active [Buf CLI][buf-docs] version.

## Sample Configuration

import Config from "@site/src/components/Config.js";

<Config
  data={{
    type: "buf",
    style: "plain",
    foreground: "#1000D6",
    template: " 🐃 {{ .Full }} ",
  }}
/>

## Properties

| Name                   | Type       | Description                                                                                                                                                                                   |
| ---------------------- | ---------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `home_enabled`         | `boolean`  | display the segment in the HOME folder or not - defaults to `false`                                                                                                                           |
| `fetch_version`        | `boolean`  | fetch the active version or not; useful if all you need is an icon indicating `buf`                                                                                                           |
| `display_mode`         | `string`   | <ul><li>`always`: the segment is always displayed</li><li>`files`: the segment is only displayed when `buf.yaml`, `buf.gen.yaml` or `buf.work.yaml` files are present (**default**)</li></ul> |
| `version_url_template` | `string`   | a go [text/template][go-text-template] [template][templates] that creates the URL of the version info / release notes                                                                         |
| `extensions`           | `[]string` | allows to override the default list of file extensions to validate                                                                                                                            |
| `folders`              | `[]string` | allows to override the list of folder names to validate                                                                                                                                      |
| `cache_version`        | `boolean`  | cache the executable's version or not - defaults to `false`                                                                                                                                   |

## Template ([info][templates])

:::note default template

```template
{{ if .Error }}{{ .Error }}{{ else }}{{ .Full }}{{ end }}
```

:::

### Properties

| Name     | Type     | Description                                        |
| -------- | -------- | -------------------------------------------------- |
| `.Full`  | `string` | the full version                                   |
| `.Major` | `string` | major number                                       |
| `.Minor` | `string` | minor number                                       |
| `.Patch` | `string` | patch number                                       |
| `.URL`   | `string` | URL of the version info / release notes            |
| `.Error` | `string` | error encountered when fetching the version string |

[go-text-template]: https://golang.org/pkg/text/template/
[templates]: /docs/configuration/templates
[buf-docs]: https://buf.build/