# Homebrew 빠른 참조

*패키지 관리, Cask, Tap, 서비스, 정리*

> Source: Homebrew Documentation (brew.sh) · MIT

## 설치

### Homebrew 설치

```
/bin/bash -c "$(curl -fsSL \
  https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
brew --version       # verify installation
```

### 설치 후 설정 (Apple Silicon)

```
# add Homebrew to PATH (Apple Silicon default)
echo 'eval "$(/opt/homebrew/bin/brew shellenv)"' \
  >> ~/.zprofile
eval "$(/opt/homebrew/bin/brew shellenv)"
```

### 설치 경로

| Command | Description |
|---------|-------------|
| `/opt/homebrew` | Apple Silicon (ARM) 접두사 |
| `/usr/local` | Intel Mac 접두사 |
| `/home/linuxbrew/.linuxbrew` | Linux 접두사 |

## 패키지 관리

### 설치 & 제거

```
brew install git           # install formula
brew install git@2.40      # install specific version
brew uninstall git         # remove formula
brew reinstall git         # reinstall formula
```

### 업데이트 & 업그레이드

```
brew update                # update Homebrew itself
brew upgrade               # upgrade all packages
brew upgrade git           # upgrade specific package
brew pin git               # prevent auto-upgrade
brew unpin git             # allow upgrade again
```

### 설치된 목록

```
brew list                  # all installed formulae
brew list --cask           # all installed casks
brew leaves                # top-level (not dependencies)
brew deps git              # show dependencies of git
```

## 검색 & 정보

### 패키지 찾기

```
brew search postgres       # search by name
brew search --cask chrome  # search casks only
brew info git              # package details
brew home git              # open homepage in browser
```

### 정보 필드

| Command | Description |
|---------|-------------|
| `Name / Version` | 패키지 이름 및 설치 버전 |
| `Dependencies` | 필수 패키지 |
| `Conflicts` | 공존할 수 없는 패키지 |
| `Caveats` | 설치 후 안내 (PATH, 설정) |
| `Analytics` | 설치 횟수 (30/90/365일) |

## 서비스

### 서비스 관리

```
brew services list             # all services + status
brew services start postgresql # start and auto-launch
brew services stop postgresql  # stop service
brew services restart nginx    # restart service
brew services run redis        # start without auto-launch
```

### 서비스 메모

| Command | Description |
|---------|-------------|
| `start` | 지금 실행 + 로그인 시 자동 시작 등록 |
| `run` | 지금만 실행 (자동 시작 없음) |
| `stop` | 중지 및 자동 시작 해제 |
| `restart` | 중지 후 시작 |
| `list` | 모든 서비스와 상태 표시 |
| `Logs` | `~/Library/Logs/Homebrew/` 확인 |

## Cask

### GUI 앱 관리

```
brew install --cask firefox      # install GUI app
brew uninstall --cask firefox     # remove GUI app
brew upgrade --cask               # upgrade all casks
brew list --cask                  # list installed casks
```

### 주요 Cask

| Command | Description |
|---------|-------------|
| `google-chrome` | Chrome 브라우저 |
| `visual-studio-code` | VS Code 에디터 |
| `docker` | Docker Desktop |
| `iterm2` | iTerm2 터미널 |
| `slack` | Slack 메신저 |
| `rectangle` | 창 관리 |
| `1password` | 비밀번호 관리자 |
| `raycast` | 런처 (Spotlight 대체) |

## Tap

### 서드파티 저장소

```
brew tap                         # list tapped repos
brew tap hashicorp/tap           # add a tap
brew untap hashicorp/tap         # remove a tap
brew install hashicorp/tap/terraform  # install from tap
```

### 주요 Tap

| Command | Description |
|---------|-------------|
| `homebrew/cask` | GUI 앱 (기본 포함) |
| `homebrew/cask-fonts` | 폰트: `brew install --cask font-fira-code` |
| `homebrew/bundle` | Brewfile 지원 (Homebrew용 Bundler) |
| `hashicorp/tap` | Terraform, Vault, Consul |

### Brewfile (Bundle)

```
brew bundle dump               # generate Brewfile
brew bundle install            # install from Brewfile
brew bundle cleanup            # remove unlisted packages
```

## 정리

### 디스크 공간 확보

```
brew cleanup                 # remove old versions
brew cleanup -s              # also remove cache
brew cleanup --prune=all     # remove all cached downloads
brew autoremove              # remove unused dependencies
```

### 진단

```
brew doctor                  # check for issues
brew config                  # show Homebrew config
brew missing                 # list missing dependencies
du -sh $(brew --cache)       # check cache size
```

## 일반 패턴

### 일상 워크플로우

| Command | Description |
|---------|-------------|
| `Morning update` | `brew update && brew upgrade && brew cleanup` |
| `New Mac setup` | Brewfile로 `brew bundle install` |
| `Export setup` | `brew bundle dump --file=~/Brewfile` |
| `Check health` | `brew doctor` |
| `Find what uses space` | `brew list --formula \| xargs brew info` |
| `Uninstall + deps` | `brew uninstall pkg && brew autoremove` |

### Brewfile 예시

```
# ~/Brewfile
tap "homebrew/bundle"
brew "git"
brew "node"
brew "python"
cask "visual-studio-code"
cask "docker"
```