if [[ "${EUID:-999}" -ne 0 ]]; then

die "Bitte als root ausführen: ${BOLD}sudo bash install.sh${RESET}"

fi

if command -v apt-get >/dev/null 2>&1; then echo apt; return; fi

if command -v dnf >/dev/null 2>&1; then echo dnf; return; fi

if command -v yum >/dev/null 2>&1; then echo yum; return; fi

if command -v pacman >/dev/null 2>&1; then echo pacman; return; fi

if command -v zypper >/dev/null 2>&1; then echo zypper; return; fi

if command -v apk >/dev/null 2>&1; then echo apk; return; fi

echo unknown

local pm="$1"; shift

local pkgs=("$@")

case "$pm" in

apt)

export DEBIAN_FRONTEND=noninteractive

apt-get update -y >>"${INSTALL_LOG}" 2>&1 || true

apt-get install -y "${pkgs[@]}" >>"${INSTALL_LOG}" 2>&1

;;

dnf) dnf install -y "${pkgs[@]}" >>"${INSTALL_LOG}" 2>&1 ;;

yum) yum install -y "${pkgs[@]}" >>"${INSTALL_LOG}" 2>&1 ;;

pacman) pacman -Sy --noconfirm "${pkgs[@]}" >>"${INSTALL_LOG}" 2>&1 ;;

zypper) zypper --non-interactive in "${pkgs[@]}" >>"${INSTALL_LOG}" 2>&1 ;;

apk) apk add --no-cache "${pkgs[@]}" >>"${INSTALL_LOG}" 2>&1 ;;

*) die "Kein unterstützter Package Manager gefunden." ;;

esac

require_cmd curl

require_cmd tar

if command -v java >/dev/null 2>&1 && java -version 2>&1 | grep -qE 'version "25|openjdk 25|Temurin-25|25\.'; then

ok "Java 25 ist bereits vorhanden"

return 0

fi

local arch os arch_api api dl

arch="$(uname -m)"

os="$(uname -s | tr '[:upper:]' '[:lower:]')"

[[ "${os}" == "linux" ]] || die "Dieses Script ist für Linux gedacht."

arch_api="$(case "${arch}" in

api="https://api.adoptium.net/v3/binary/latest/25/ga/${os}/${arch_api}/jdk/hotspot/normal/eclipse?project=jdk"

dl="/tmp/temurin-jdk25.tar.gz"

log "Installiere Java 25 (Temurin) -> /opt/jdk-25"

rm -f "${dl}" >>"${INSTALL_LOG}" 2>&1 || true

curl -fL --retry 3 --retry-delay 1 -o "${dl}" "${api}" >>"${INSTALL_LOG}" 2>&1

rm -rf /opt/jdk-25 >>"${INSTALL_LOG}" 2>&1 || true

mkdir -p /opt/jdk-25 >>"${INSTALL_LOG}" 2>&1

tar -xzf "${dl}" -C /opt/jdk-25 --strip-components=1 >>"${INSTALL_LOG}" 2>&1

if command -v update-alternatives >/dev/null 2>&1; then

update-alternatives --install /usr/bin/java java /opt/jdk-25/bin/java 2525 >>"${INSTALL_LOG}" 2>&1 || true

update-alternatives --install /usr/bin/javac javac /opt/jdk-25/bin/javac 2525 >>"${INSTALL_LOG}" 2>&1 || true

update-alternatives --set java /opt/jdk-25/bin/java >>"${INSTALL_LOG}" 2>&1 || true

update-alternatives --set javac /opt/jdk-25/bin/javac >>"${INSTALL_LOG}" 2>&1 || true

fi

java -version >>"${INSTALL_LOG}" 2>&1 || true

java -version 2>&1 | grep -qE '25' || die "Java 25 nicht aktiv. Check: java -version"

ok "Java aktiv: $(java -version 2>&1 | head -n 1)"

if id "${APP_USER}" >/dev/null 2>&1; then

ok "User '${APP_USER}' existiert bereits"

else

log "Erstelle User '${APP_USER}'"

useradd -m -d "/home/${APP_USER}" -s /bin/bash "${APP_USER}" >>"${INSTALL_LOG}" 2>&1

ok "User erstellt"

fi

require_cmd curl

require_cmd jq

local api url

if [[ "${TAG}" == "latest" ]]; then

api="https://api.github.com/repos/${RELEASE_REPO}/releases/latest"

else

api="https://api.github.com/repos/${RELEASE_REPO}/releases/tags/${TAG}"

fi

url="$(curl -fsSL "${api}" | jq -r --arg n "${JAR_ASSET}" '.assets[] | select(.name==$n) | .browser_download_url' | head -n 1)"

[[ -n "${url}" && "${url}" != "null" ]] || die "Konnte Asset '${JAR_ASSET}' nicht finden in Release (${RELEASE_REPO}, tag=${TAG})."

echo "${url}"

local url="$1"

log "Lade ${JAR_ASSET} aus Release (${TAG})"

curl -fL --retry 3 --retry-delay 1 -o "${JAR_PATH}.tmp" "${url}" >>"${INSTALL_LOG}" 2>&1

mv "${JAR_PATH}.tmp" "${JAR_PATH}" >>"${INSTALL_LOG}" 2>&1

chmod 0644 "${JAR_PATH}" >>"${INSTALL_LOG}" 2>&1

ok "JAR bereit: ${JAR_PATH}"

cat > "${WRAPPER_PATH}" <<EOS

chmod +x "${WRAPPER_PATH}" >>"${INSTALL_LOG}" 2>&1

ok "CLI: ${WRAPPER_PATH}"

if ! command -v systemctl >/dev/null 2>&1 || [[ ! -d /run/systemd/system ]]; then

warn "Kein systemd erkannt -> Service wird nicht eingerichtet."

return 0

fi

cat > "/etc/systemd/system/${SERVICE_NAME}.service" <<EOS

systemctl daemon-reload >>"${INSTALL_LOG}" 2>&1 || true

systemctl enable "${SERVICE_NAME}" >>"${INSTALL_LOG}" 2>&1 || true

systemctl restart "${SERVICE_NAME}" >>"${INSTALL_LOG}" 2>&1 || true

ok "systemd Service aktiv: ${SERVICE_NAME}"

if [[ "${RUN_JAVA_INSTALL}" != "true" ]]; then

warn "Java-Installer übersprungen (--no-java-install)."

return 0

fi

log "Starte Java Installer: eduxel install ${FORWARD_ARGS[*]:-}"

/usr/bin/java -jar "${JAR_PATH}" install "${FORWARD_ARGS[@]}" >>"${INSTALL_LOG}" 2>&1

ok "Java Installer fertig"

cat <<EOF

while [[ $# -gt 0 ]]; do

case "$1" in

--release-repo) RELEASE_REPO="$2"; shift 2 ;;

--tag) TAG="$2"; shift 2 ;;

--jar-asset) JAR_ASSET="$2"; shift 2 ;;

--user) APP_USER="$2"; shift 2 ;;

--no-java-install) RUN_JAVA_INSTALL="false"; shift 1 ;;

-h|--help|help) usage; exit 0 ;;

--) shift; FORWARD_ARGS=("$@"); break ;;

*)

die "Unbekanntes Argument: $1 (nutze --help). Wenn das an eduxel install soll: setz vorher --"

;;

esac

done

: > "${INSTALL_LOG}"

need_root

parse_args "$@"

hr

echo -e "${CYAN}${BOLD}E D U X E L • Release Installer${RESET}"

hr

echo -e "${GRAY}Release: ${RELEASE_REPO} (tag=${TAG})${RESET}"

echo -e "${GRAY}Asset: ${JAR_ASSET}${RESET}"

echo -e "${GRAY}Log: ${INSTALL_LOG}${RESET}"

hr

local pm

pm="$(pm_detect)"

[[ "${pm}" != "unknown" ]] || die "Kein unterstützter Package Manager gefunden."

# Base deps (jq needed for GitHub API parsing)

pm_install "${pm}" ca-certificates curl jq tar openssl >>"${INSTALL_LOG}" 2>&1 || true

ensure_user

ensure_dirs

install_jdk25

local jar_url

jar_url="$(fetch_jar_url)"

download_jar "${jar_url}"

write_wrapper

run_java_install

write_systemd

hr

ok "Fertig."

echo -e "${GRAY}Service: systemctl status ${SERVICE_NAME} --no-pager${RESET}"

echo -e "${GRAY}Logs: journalctl -u ${SERVICE_NAME} -f${RESET}"

echo -e "${GRAY}CLI: eduxel --help${RESET}"

hr