brew 설치

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