setup-alpine-install-xfce.sh

#!/bin/sh
# Minimal XFCE desktop setup for Alpine Linux with error handling

set -euo pipefail

# Function to print messages
log() {
    echo "[INFO] $*"
}

error_exit() {
    echo "[ERROR] $*" >&2
    exit 1
}

# Ensure running as root
if [ "$(id -u)" -ne 0 ]; then
    error_exit "This script must be run as root (use sudo)."
fi

log "Updating system..."
apk update || error_exit "apk update failed"
apk upgrade || error_exit "apk upgrade failed"

log "Installing Xorg server and drivers..."
apk add --no-cache \
    xorg-server \
    xf86-video-vesa \
    xf86-input-evdev \
    mesa-dri-gallium \
    mesa-dri-intel \
    mesa-dri-nouveau \
    mesa-dri-radeon \
    dbus || error_exit "Failed to install Xorg components"

log "Installing XFCE core packages..."
apk add --no-cache \
    xfce4 \
    xfce4-terminal \
    thunar || error_exit "Failed to install XFCE packages"

# Optional: lightweight display manager
if apk info slim >/dev/null 2>&1; then
    log "Slim already installed"
else
    log "Installing Slim display manager..."
    apk add --no-cache slim || error_exit "Failed to install Slim"
    rc-update add slim || error_exit "Failed to enable Slim"
fi

log "Enabling dbus service..."
rc-update add dbus || error_exit "Failed to enable dbus"
rc-service dbus start || error_exit "Failed to start dbus"

log "Starting Slim (login manager)..."
rc-service slim start || log "Slim failed to start — you can run 'startxfce4' manually"

log "Installation complete!"
echo "Reboot or run 'startxfce4' to launch XFCE."