brew 설치

install-lazygit.sh

@@ -30,6 +30,30 @@ error() {
 }
 success() { echo "[OK]    $*" >&2; }
 
+# ────────────────────────────────────────────
+# Ensure Homebrew is available on macOS
+# ────────────────────────────────────────────
+ensure_brew() {
+	if command -v brew &>/dev/null; then
+		return 0
+	fi
+	info "Homebrew is not installed. Installing Homebrew..."
+	/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
+	if [ -d /opt/homebrew/bin ]; then
+		export PATH="/opt/homebrew/bin:$PATH"
+	fi
+	if [ -d /usr/local/bin ]; then
+		export PATH="/usr/local/bin:$PATH"
+	fi
+	command -v brew &>/dev/null || error "Homebrew installation failed. Install it manually: https://brew.sh/"
+	success "Homebrew installed"
+}
+error() {
+	echo "[ERROR] $*" >&2
+	exit 1
+}
+success() { echo "[OK]    $*" >&2; }
+
 # ────────────────────────────────────────────
 # Check for git (required by lazygit)
 # ────────────────────────────────────────────
@@ -37,12 +61,9 @@ if ! command -v git &>/dev/null; then
 	info "git is not installed. Installing git..."
 	case "$(uname -s)" in
 	Darwin)
-		if command -v brew &>/dev/null; then
-			brew install -y git
-			success "git installed via Homebrew"
-		else
-			error "Homebrew (brew) is required to install git on macOS. Install it from https://brew.sh/"
-		fi
+		ensure_brew
+		brew install -y git
+		success "git installed via Homebrew"
 		;;
 	Linux)
 		if command -v apt-get &>/dev/null; then

install-pi.sh

@@ -51,6 +51,25 @@ error() {
 }
 success() { echo "[OK]    $*" >&2; }
 
+# ────────────────────────────────────────────
+# Ensure Homebrew is available on macOS
+# ────────────────────────────────────────────
+ensure_brew() {
+	if command -v brew &>/dev/null; then
+		return 0
+	fi
+	info "Homebrew is not installed. Installing Homebrew..."
+	/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
+	if [ -d /opt/homebrew/bin ]; then
+		export PATH="/opt/homebrew/bin:$PATH"
+	fi
+	if [ -d /usr/local/bin ]; then
+		export PATH="/usr/local/bin:$PATH"
+	fi
+	command -v brew &>/dev/null || error "Homebrew installation failed. Install it manually: https://brew.sh/"
+	success "Homebrew installed"
+}
+
 # ────────────────────────────────────────────
 # Check required commands
 # ────────────────────────────────────────────
@@ -63,12 +82,9 @@ if ! command -v npm &>/dev/null; then
 	info "npm is not installed. Installing Node.js..."
 	case "$OS" in
 	Darwin)
-		if command -v brew &>/dev/null; then
-			brew install node
-			success "Node.js installed via Homebrew"
-		else
-			error "Homebrew (brew) is required to install Node.js on macOS. Install it from https://brew.sh/"
-		fi
+		ensure_brew
+		brew install node
+		success "Node.js installed via Homebrew"
 		;;
 	Linux)
 		if command -v apt-get &>/dev/null; then

install-tmux.sh

@@ -43,6 +43,26 @@ Darwin | Linux) ;;
 	;;
 esac
 
+# ────────────────────────────────────────────
+# Ensure Homebrew is available on macOS
+# ────────────────────────────────────────────
+ensure_brew() {
+	if command -v brew &>/dev/null; then
+		return 0
+	fi
+	info "Homebrew is not installed. Installing Homebrew..."
+	/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
+	# Add brew to PATH for Apple Silicon
+	if [ -d /opt/homebrew/bin ]; then
+		export PATH="/opt/homebrew/bin:$PATH"
+	fi
+	if [ -d /usr/local/bin ]; then
+		export PATH="/usr/local/bin:$PATH"
+	fi
+	command -v brew &>/dev/null || error "Homebrew installation failed. Install it manually: https://brew.sh/"
+	success "Homebrew installed"
+}
+
 info "Platform: $OS ($ARCH)"
 
 # ────────────────────────────────────────────
@@ -56,12 +76,9 @@ if command -v tmux &>/dev/null; then
 else
 	case "$OS" in
 	Darwin)
-		if command -v brew &>/dev/null; then
-			brew install -y tmux
-			success "tmux installed via Homebrew"
-		else
-			error "Homebrew (brew) is required on macOS. Install it from https://brew.sh/"
-		fi
+		ensure_brew
+		brew install tmux
+		success "tmux installed via Homebrew"
 		;;
 	Linux)
 		if command -v apt-get &>/dev/null; then