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New script debupdate
Still need to polish this a bit, but I think I'm happy with its functionality. This will replace raspbian-update. It's simpler, more transparent about what it is doing, and generally less likely to go wrong doing what it does. The one little bit of magic is that it bails out after an update if there's nothing to install, mostly to avoid suggesting that you reboot your system if there is nothing to install. Might not be worth it for that on armv6-based Raspberry Pis.
This commit is contained in:
T. Joseph Carter
parent
8eabd3768d
commit
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174
scripts/tools/debupdate
Executable file
174
scripts/tools/debupdate
Executable file
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#!/bin/bash
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# vim: set tabstop=4 shiftwidth=4 noexpandtab filetype=sh:
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# debupdate - Upgrades packages on a Debian-based system
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# Written in 2016 by T. Joseph Carter <tjcarter@spiritsubstance.com>
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# Based on raspbian-update by Ivan Drucker <ivan@ivanx.com>
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#
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# To the extent possible under law, the author(s) have dedicated all copyright
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# and related and neighboring rights to this software to the public domain
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# worldwide. This software is distributed without any warranty.
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#
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# You should have received a copy of the CC0 Public Domain Dedication along
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# with this software. If not, you may find a copy here:
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# <http://creativecommons.org/publicdomain/zero/1.0/>
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PROGNAME="$0"
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PROGRAM="debupdate"
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VERSION="0.9.0"
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useAptGet=
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useAutoClean=
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autoYes=
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aptitudeUpgradeArgs="--allow-new-upgrades --allow-new-installs safe-upgrade"
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aptGetUpgradeArgs="--with-new-pkgs --auto-remove upgrade"
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ShowLicense() {
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echo "$PROGRAM version $VERSION
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Upgrades packages on a Debian-based system
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Written in 2016 by T. Joseph Carter <tjcarter@spiritsubstance.com>
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Based on raspbian-update by Ivan Drucker <ivan@ivanx.com>
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To the extent possible under law, the author(s) have dedicated all copyright
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and related and neighboring rights to this software to the public domain
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worldwide. This software is distributed without any warranty.
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You should have received a copy of the CC0 Public Domain Dedication along
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with this software. If not, you may find a copy here:
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<http://creativecommons.org/publicdomain/zero/1.0/>
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"
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exit 0
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}
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Echo() {
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printf "%b\n" "$1"
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}
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Run() {
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local cmd=( )
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for i in "${@}"; do
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# Replace argument's spaces with ''; if different, quote the string
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if [ "$i" != "${i/ /}" ]; then
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cmd=( ${cmd[@]} "'${i}'" )
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else
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cmd=( ${cmd[@]} $i )
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fi
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done
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echo ">>> ${cmd[@]}"
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${@}
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}
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ShowHelp() {
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Echo "\nHelp"
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[[ $1 ]] && echo "Exiting with error code $1" # FIXME
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exit ${1:-0}
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}
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CheckArgs() {
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local badArgument=
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while getopts ":hvyacy" opt; do
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case "$opt" in
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h) ShowHelp ;;
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v) ShowLicense ;;
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y) autoYes=1 ;;
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a) useAptGet=1 ;;
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c) useAutoClean=1 ;;
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\?)
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Echo "Invalid argument: -$OPTARG"
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badArgument=1
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;;
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esac
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done
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if [[ "$badArgument" ]]; then
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ShowHelp 1
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fi
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}
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CheckArgs "$@"
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#CheckAuthorized
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if [[ "$UID" != "0" ]]; then
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if hash sudo 2>/dev/null; then
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Run sudo $0 "$@"
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exit 0
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else
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Echo "$PROGRAM requires \"root\" administrator access to upgrade your system."
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exit 1
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fi
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fi
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if [[ -z "$useAptGet" ]]; then
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if ! hash aptitude 2>/dev/null; then
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useAptGet=1
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fi
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fi
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#Clean
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Echo "\nCleaning apt package cache..."
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if [[ $useAptGet ]]; then
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echo "Using apt-get."
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Run apt-get ${useAutoClean:+auto}clean
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else
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echo "Using aptitude."
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Run aptitude ${useAutoClean:+auto}clean
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fi
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#Update
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Echo "\nUpdating list of available packages..."
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if [[ $useAptGet ]]; then
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if ! Run apt-get update; then
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Echo "Package list update failed."
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exit 1
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fi
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else
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if ! Run aptitude update; then
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Echo "Package list update failed."
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exit 1
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fi
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fi
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#NeedUpgrade
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if [[ $useAptGet ]]; then
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apt-get --trivial-only $aptGetUpgradeArgs &>/dev/null
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else
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echo "n" | aptitude $aptitudeUpgradeArgs &>/dev/null
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fi
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if [[ $? -eq 0 ]]; then
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Echo "Your packages are already up to date."
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exit 0
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fi
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#Upgrade
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if [[ $useAptGet ]]; then
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Run apt-get ${autoYes:+-y} $aptGetUpgradeArgs
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else
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Run aptitude ${autoYes:+-y} $aptitudeUpgradeArgs
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fi
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if [[ $? -ne 0 ]]; then
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Echo "System upgrade failed. Something about a log should be here."
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exit 1
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fi
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# apt-get needs explicit autoremove (aptitude doesn't)
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if [[ $useAptGet ]]; then
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Run apt-get autoremove
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if [[ $? -ne 0 ]]; then
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Echo "Failure attempting to auto-remove unneeded packages."
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exit 1
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fi
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fi
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#Clean
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Echo "Cleaning apt package cache..."
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if [[ $useAptGet ]]; then
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Run apt-get autoclean
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else
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Run aptitude autoclean
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fi
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Echo "\nIt is generally recommended that you reboot your system after upgrades. You
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can do this with the \"reboot\" command. This command must be run as root.\n"
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