67 lines
1.6 KiB
Text
67 lines
1.6 KiB
Text
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#!/bin/sh
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# name: system-update
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# summary: - runs all relevant update commands for a machine
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# - automatically detects and handles apt, snap and flatpak
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# - fully POSIX shell compliant
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# params: none
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# check if a command is available
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has_command() { # $command
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command -v "$1" 1>/dev/null 2>/dev/null
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}
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# run self as root
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if [ "$(id -u)" -ne 0 ]; then
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if has_command sudo; then
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# shellcheck disable=SC2068
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exec sudo "$(readlink -f "$0")" $@
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else
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echo "This script is designed to be run as root!"
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exit 1
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fi
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fi
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# handle apt packages
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if has_command apt-get; then
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set -ex
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# update package sources
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apt-get --yes update
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# upgrade installed packages
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apt-get --yes dist-upgrade
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# remove unused dependencies
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apt-get --yes --purge autoremove
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# remove leftover local archives
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apt-get --yes autoclean
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# remove leftover config files
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apt-get --yes purge '?config-files'
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set +ex
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fi
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# handle snaps
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if has_command snap; then
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set -ex
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# upgrade installed snaps
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snap refresh
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# remove disabled snaps: https://askubuntu.com/a/1040131
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set +x
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env LANG=en_US.UTF-8 snap list --all \
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| awk '/disabled/{print $1, $3}' \
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| while read -r snap_name snap_revision; do
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set -x
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snap remove "${snap_name}" --revision="${snap_revision}"
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set +x
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done
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set +ex
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fi
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# handle flatpaks
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if has_command flatpak; then
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set -ex
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# upgrade installed flatpaks
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flatpak update --noninteractive
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# remove unused flatpaks
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flatpak uninstall --noninteractive --unused
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set +ex
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fi
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