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93 lines
2.8 KiB
93 lines
2.8 KiB
#!/bin/bash
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# Backend script for Lubuntu Update (does text processing and update installation, can be run as root and must be in order to install updates)
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set -e
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export LC_ALL='C'
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if [ "$1" = 'pkgver' ]; then
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shift
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while [ "$1" != '' ]; do
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source="$(apt-cache show "$1" | grep 'Source:' | cut -d' ' -f2)"
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version="$(apt-cache show lubuntu-default-settings | grep Version: | head -n1 | cut -d' ' -f2)"
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if [ "$source" = '' ]; then
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echo "$1"
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else
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echo "$source"
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fi
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echo "$version"
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shift
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done
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elif [ "$1" = 'doupdate' ]; then
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# Prepare to be able to grep through the logs
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rm /run/lubuntu-update-apt-log || true
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touch /run/lubuntu-update-apt-log
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chmod 0600 /run/lubuntu-update-apt-log # prevent non-root from being able to trick the script into deleting arbitrary files later on
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# Repair an interrupted upgrade if necessary
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dpkg --configure -a
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# Run the real update
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DEBIAN_FRONTEND='kde' apt-get -o Dpkg::Options::='--force-confdef' -o Dpkg::Options::='--force-confold' -o Apt::Color='0' -o Dpkg::Use-Pty='0' -y dist-upgrade |& tee /run/lubuntu-update-apt-log
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# Find all the conffiles
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mapfile conffileRawList <<< "$(grep -P "^Configuration file \'.*\'$" '/run/lubuntu-update-apt-log')"
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if [ "$(echo "${conffileRawList[0]}" | head -c1)" != 'C' ]; then # Empty or invalid list, we're done
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exit 0
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fi
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conffileList=()
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counter=0
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while [ "$counter" -lt "${#conffileRawList[@]}" ]; do
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# Cut off "Configuration file '" from the start and "'" plus a couple trailing characters from the end
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conffileList[counter]="$(echo "${conffileRawList[$counter]}" | tail -c+21 | head -c-3)"
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counter=$((counter+1))
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done
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echo "Lubuntu Update !!! CONFIGURATION FILE LIST START";
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counter=0
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while [ "$counter" -lt "${#conffileList[@]}" ]; do
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echo "${conffileList[$counter]}"
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counter=$((counter+1))
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done
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echo "Lubuntu Update !!! CONFIGURATION FILE LIST END";
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# If we make it this far, there were conffiles to deal with
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breakLoop='no'
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gotCommand='no'
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commandName=''
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while [ "$breakLoop" = 'no' ]; do
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read -r inputVal
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if [ "$gotCommand" = 'no' ]; then
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if [ "$inputVal" = 'done' ]; then
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breakLoop='yes'
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else
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commandName="$inputVal"
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gotCommand='yes'
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fi
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else
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if [ "$commandName" = 'replace' ]; then # Replace an existing file
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counter=0
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while [ "$counter" -lt "${#conffileList[@]}" ]; do
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if [ "$inputVal" = "${conffileList[$counter]}" ]; then
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mv "$inputVal.dpkg-dist" "$inputVal"
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break
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fi
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counter=$((counter+1))
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done
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elif [ "$commandName" = 'keep' ]; then # Keep an existing file
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counter=0
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while [ "$counter" -lt "${#conffileList[@]}" ]; do
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if [ "$inputVal" = "${conffileList[$counter]}" ]; then
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rm "$inputVal.dpkg-dist"
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break
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fi
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counter=$((counter+1))
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done
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fi
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gotCommand='no'
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fi
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done
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echo 'Update installation complete.'
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fi
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