OchiLinux84/update at main · ochi84/OchiLinux84 · GitHub

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#!/usr/bin/env bash
#
#                  _       _
#  _   _ _ __   __| | __ _| |_ ___
# | | | | '_ \ / _` |/ _` | __/ _ \
# | |_| | |_) | (_| | (_| | ||  __/
#  \__,_| .__/ \__,_|\__,_|\__\___|
#       |_|
#
# Script        : update
# Location      : /usr/local/bin/update
# Author        : Jens Ochmann
# Date          : 2025‑04‑20
# License       : MIT
# Description   : System update & clean‑up with optional reboot.
# Requires root : Elevates via sudo if needed
#

set -euo pipefail

#–––––––––––– Farben (Fallback) ––––––––––––––––––––––––––––––––––––––––––––––––
RED=${RED:-"\033[0;31m"} ; GREEN=${GREEN:-"\033[0;32m"}
YELLOW=${YELLOW:-"\033[0;33m"} ; NC=${NC:-"\033[0m"}
info() { printf "%b%s%b\n" "${YELLOW}" "$*" "${NC}"; }
ok()   { printf "%b%s%b\n" "${GREEN}"  "$*" "${NC}"; }
die()  { printf "%b%s%b\n" "${RED}" "$*" "${NC}" >&2; exit 1; }

#–––––––––––– Root‑Handling ––––––––––––––––––––––––––––––––––––––––––––––––––––
if (( EUID != 0 )); then
  exec sudo --preserve-env=RED,GREEN,YELLOW,NC "$0" "$@"
fi

#–––––––––––– Zielbenutzer ermitteln –––––––––––––––––––––––––––––––––––––––––––
TARGET_USER=${SUDO_USER:-}
if [[ -z "${TARGET_USER}" ]]; then
  read -rp "$(printf 'Enter the username to operate on: ')" TARGET_USER
fi
HOME_DIR="/home/${TARGET_USER}"
[[ -d "${HOME_DIR}" ]] || die "User ${TARGET_USER} not found."

#–––––––––––– Konfiguration laden ––––––––––––––––––––––––––––––––––––––––––––––
CONFIG_FILE="${HOME_DIR}/.config/sc.conf"
[[ -f "${CONFIG_FILE}" ]] && source "${CONFIG_FILE}" || info "sc.conf not found – proceeding with defaults."

#–––––––––––– Terminalbreite für zentrierte Warnung ––––––––––––––––––––––––––––
cols=$(tput cols 2>/dev/null || echo 80)
warn() {
  local msg="$1"
  local len=${#msg}
  local pad=$(( (cols - len) / 2 < 0 ? 0 : (cols - len) / 2 ))
  printf "%*s%b%s%b\n" "$pad" "" "$RED" "$msg" "$NC"
}

echo
warn "Reboot may be required after updates."
warn "Save your work before continuing."
echo

#–––––––––––– Aktualisierungen ––––––––––––––––––––––––––––––––––––––––––––––––
info "Updating APT packages …"
DEBIAN_FRONTEND=noninteractive apt-get -qq update
DEBIAN_FRONTEND=noninteractive apt-get -y full-upgrade
ok "APT packages updated."

if command -v snap &>/dev/null; then
  info "Refreshing Snap packages …"
  snap refresh || info "Snap refresh returned non‑zero (ignored)."
fi

#–––––––––––– Aufräumen –––––––––––––––––––––––––––––––––––––––––––––––––––––––
info "Cleaning temporary directories …"
find /tmp /var/tmp -mindepth 1 -delete

if command -v trash-empty &>/dev/null; then
  info "Emptying trash for ${TARGET_USER} …"
  sudo -u "${TARGET_USER}" trash-empty || true
fi

info "Cleaning APT cache …"
apt-get -y autoremove
apt-get -y autoclean
ok "System clean‑up done."

#–––––––––––– Abschluss & Reboot –––––––––––––––––––––––––––––––––––––––––––––––
echo
ok "System maintenance completed."

if [[ -t 0 ]]; then   # interaktives Terminal?
  read -rp "$(printf '%bReboot now? (y/N): %b' "${YELLOW}" "${NC}")" ans
  if [[ "${ans}" =~ ^[Yy]$ ]]; then
    info "Rebooting …"
    reboot
  fi
fi