Mateusz Suski
67 lines
1.7 KiB
Bash
Executable File
67 lines
1.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -o errexit
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set -o nounset
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set -o pipefail
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LOG_FILE="/var/log/ailab-apt-cleanup.log"
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execute=false
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non_interactive=false
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usage() {
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printf 'Usage: %s [--execute [--non-interactive]]\n' "$(basename "$0")"
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}
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while (($# > 0)); do
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case "$1" in
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--execute) execute=true ;;
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--non-interactive) non_interactive=true ;;
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-h|--help) usage; exit 0 ;;
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*) printf 'CRITICAL: unknown argument: %s\n' "$1" >&2; usage >&2; exit 2 ;;
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esac
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shift
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done
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if [[ "$non_interactive" == true && "$execute" != true ]]; then
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printf 'CRITICAL: --non-interactive requires --execute\n' >&2
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exit 2
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fi
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if ((EUID != 0)); then
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printf 'CRITICAL: this script must run as root\n' >&2
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exit 2
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fi
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if ! command -v apt >/dev/null 2>&1; then
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printf 'CRITICAL: apt is required\n' >&2
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exit 2
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fi
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exec > >(tee -a "$LOG_FILE") 2>&1
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printf '\n[%s] APT cleanup\n' "$(date --iso-8601=seconds)"
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if [[ "$execute" != true ]]; then
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printf 'INFO: dry-run mode; apt update, autoremove, autoclean, and needrestart are not executed\n'
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printf 'INFO: simulated autoremove follows\n'
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LC_ALL=C apt -s autoremove --purge
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printf 'INFO: rerun with --execute and confirm to apply changes\n'
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exit 0
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fi
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if [[ "$non_interactive" != true ]]; then
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printf 'WARNING: this will update APT metadata and remove packages marked as automatically installed and unused.\n'
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printf 'Type EXECUTE to continue: '
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read -r confirmation
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if [[ "$confirmation" != "EXECUTE" ]]; then
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printf 'CRITICAL: confirmation failed; no changes made\n'
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exit 2
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fi
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fi
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apt update
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apt autoremove --purge -y
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apt autoclean -y
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if command -v needrestart >/dev/null 2>&1; then
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needrestart -b || true
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else
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printf 'WARNING: needrestart is not installed\n'
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fi
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printf 'OK: APT cleanup completed\n'
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