fix(brew)!: rename `buf` alias to `bfu`

BREAKING CHANGE: rename `buf` alias to `bfu` to avoid conflicts with
protobuf tool

plugins/brew/README.md

@@ -17,20 +17,20 @@ defined for convenience.
 
 ## Aliases
 
-| Alias    | Command                               | Description                                                         |
-| -------- | ------------------------------------- | ------------------------------------------------------------------- |
-| `bcubc`  | `brew upgrade --cask && brew cleanup` | Update outdated casks, then run cleanup.                            |
-| `bcubo`  | `brew update && brew outdated --cask` | Update Homebrew data, then list outdated casks.                     |
-| `bcubc`  | `brew upgrade --cask && brew cleanup` | Update outdated casks, then run cleanup.                            |
-| `brewp`  | `brew pin`                            | Pin a specified formula so that it's not upgraded.                  |
-| `brews`  | `brew list -1`                        | List installed formulae or the installed files for a given formula. |
-| `brewsp` | `brew list --pinned`                  | List pinned formulae, or show the version of a given formula.       |
-| `bubc`   | `brew upgrade && brew cleanup`        | Upgrade outdated formulae and casks, then run cleanup.              |
-| `bugbc`  | `brew upgrade --greedy && brew cleanup`  | Upgrade outdated formulae and casks (greedy), then run cleanup.         |
-| `bubo`   | `brew update && brew outdated`        | Update Homebrew data, then list outdated formulae and casks.        |
-| `bubu`   | `bubo && bubc`                        | Do the last two operations above.                                   |
-| `buf`    | `brew upgrade --formula`              | Upgrade only formulas (not casks).                                  |
-| `buz`    | `brew uninstall --zap`                | Remove all files associated with a cask.                            |
+| Alias    | Command                                 | Description                                                         |
+| -------- | --------------------------------------- | ------------------------------------------------------------------- |
+| `bcubc`  | `brew upgrade --cask && brew cleanup`   | Update outdated casks, then run cleanup.                            |
+| `bcubo`  | `brew update && brew outdated --cask`   | Update Homebrew data, then list outdated casks.                     |
+| `bcubc`  | `brew upgrade --cask && brew cleanup`   | Update outdated casks, then run cleanup.                            |
+| `brewp`  | `brew pin`                              | Pin a specified formula so that it's not upgraded.                  |
+| `brews`  | `brew list -1`                          | List installed formulae or the installed files for a given formula. |
+| `brewsp` | `brew list --pinned`                    | List pinned formulae, or show the version of a given formula.       |
+| `bubc`   | `brew upgrade && brew cleanup`          | Upgrade outdated formulae and casks, then run cleanup.              |
+| `bugbc`  | `brew upgrade --greedy && brew cleanup` | Upgrade outdated formulae and casks (greedy), then run cleanup.     |
+| `bubo`   | `brew update && brew outdated`          | Update Homebrew data, then list outdated formulae and casks.        |
+| `bubu`   | `bubo && bubc`                          | Do the last two operations above.                                   |
+| `bfu`    | `brew upgrade --formula`                | Upgrade only formulas (not casks).                                  |
+| `buz`    | `brew uninstall --zap`                  | Remove all files associated with a cask.                            |
 
 ## Completion
 

plugins/brew/brew.plugin.zsh

@@ -35,7 +35,7 @@ alias bugbc='brew upgrade --greedy && brew cleanup'
 alias bubo='brew update && brew outdated'
 alias bubu='bubo && bubc'
 alias bubug='bubo && bugbc'
-alias buf='brew upgrade --formula'
+alias bfu='brew upgrade --formula'
 alias buz='brew uninstall --zap'
 
 function brews() {