Install XLibre's X Server on Chimera Linux

install-xlibre.sh

#!/usr/bin/env bash

set -euo pipefail

BASE_DIR="/srv/xlibre/website/chimera/main/x86_64"
PORT=47188
REPO_URL="http://localhost:$PORT/website/chimera/main"
APK_REPOS="/etc/apk/repositories"

# Check for root privileges
if [[ $EUID -ne 0 ]]; then
    if command -v sudo &>/dev/null; then
        echo "Script requires root privileges. Re-running with sudo..."
        exec sudo bash "$0" "$@"
    elif command -v doas &>/dev/null; then
        echo "Script requires root privileges. Re-running with doas..."
        exec doas bash "$0" "$@"
    else
        echo "ERROR: This script requires root privileges." >&2
        exit 1
    fi
fi

# Check if port is busy
if ss -tulpn 2>/dev/null | grep -q ":$PORT "; then
    PID=$(ss -tulpn 2>/dev/null | grep ":$PORT " | awk '{print $7}' | cut -d',' -f2)
    echo "ERROR: Port $PORT is already in use by PID $PID. Please free the port before running this script." >&2
    exit 1
fi

echo "Downloading files from GitHub..."
rm -rf "$BASE_DIR/*"
curl -s "https://api.github.com/repos/xlibre-alpine/website/contents/chimera/main/x86_64" |
    jq -r '.[] | select(.type=="file") | .download_url' |
    xargs -n1 -P4 wget -q -P "$BASE_DIR"

echo "Starting Python HTTP server on port $PORT..."
cd /srv/xlibre
python3 -m http.server -b localhost "$PORT" >/dev/null 2>&1 &
PYTHON_PID=$!

# Trap to kill python server on script exit
cleanup() {
    echo "Stopping Python HTTP server (PID $PYTHON_PID)..."
    kill "$PYTHON_PID" 2>/dev/null || true

    SED_INPLACE=(-i)
    if sed --version >/dev/null 2>&1; then
        : # GNU sed
    else
        SED_INPLACE=(-i '') # BSD sed
    fi
    sed "${SED_INPLACE[@]}" "\|^http://localhost:${PORT}/website/chimera/main$|d" /etc/apk/repositories
    
    rm -rf /srv/xlibre
}
trap cleanup EXIT

# Add local repo URL to apk repositories if missing
wget -q -O /etc/apk/keys/xlibre.rsa.pub https://raw.githubusercontent.com/xlibre-alpine/website/refs/heads/main/main/xlibre.rsa.pub

if ! grep -Fxq "$REPO_URL" "$APK_REPOS"; then
    echo "Adding local repo $REPO_URL to $APK_REPOS..."
    echo "$REPO_URL" >>"$APK_REPOS"
fi

found=0
for _ in {1..5}; do
    if curl --silent --head --fail "http://localhost:$PORT/website/chimera/main/x86_64/APKINDEX.tar.gz" >/dev/null; then
        found=1
        break
    fi
    sleep 1
done

if [ $found -eq 0 ]; then
    echo "ERROR: HTTP server not responding with APKINDEX.tar.gz after waiting. Exiting." >&2
    exit 1
fi

echo "Updating apk package index..."
apk update

echo "Installing xserver-xlibre package..."
apk add xserver-xlibre