70 lines
1.8 KiB
Bash
Executable File
70 lines
1.8 KiB
Bash
Executable File
#!/bin/sh -e
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#
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# helper for update-motd
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# poor mans force
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if [ "$1" = "--force" ]; then
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NEED_EOL_CHECK=yes
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else
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if type systemd-detect-virt > /dev/null 2>&1 && systemd-detect-virt -q -c; then
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exit
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fi
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NEED_EOL_CHECK=no
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fi
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# check time when we did the last update check
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stamp="/var/lib/update-notifier/hwe-eol"
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# get list dir
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StateDir="/var/lib/apt/"
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ListDir="lists/"
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eval "$(apt-config shell StateDir Dir::State)"
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eval "$(apt-config shell ListDir Dir::State::Lists)"
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# get dpkg status file
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DpkgStatus="/var/lib/dpkg/status"
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eval "$(apt-config shell DpkgStatus Dir::State::status)"
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# get sources.list file
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EtcDir="etc/apt/"
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SourceList="sources.list"
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eval "$(apt-config shell EtcDir Dir::Etc)"
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eval "$(apt-config shell SourceList Dir::Etc::sourcelist)"
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# let the actual update be asynchronous to avoid stalling apt-get
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cleanup() { rm -f "$tmpfile"; }
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# check if we have a list file or sources.list that needs checking
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if [ -e "$stamp" ]; then
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if [ "$(find "/$StateDir/$ListDir" "/$EtcDir/$SourceList" "/$DpkgStatus" -type f -newer "$stamp" -print -quit 2> /dev/null)" ]; then
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NEED_EOL_CHECK=yes
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fi
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else
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if [ "$(find "/$StateDir/$ListDir" "/$EtcDir/$SourceList" -type f -print -quit 2> /dev/null)" ]; then
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NEED_EOL_CHECK=yes
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fi
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fi
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# only print status when running this script as a regular user
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if [ "$(id -u)" != 0 ] ; then
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[ "$NEED_EOL_CHECK" = "no" ] || /usr/bin/hwe-support-status || true
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exit
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fi
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tmpfile=""
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trap cleanup EXIT
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tmpfile=$(mktemp -p $(dirname "$stamp"))
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# output something for update-motd
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if [ "$NEED_EOL_CHECK" = "yes" ]; then
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{
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# the script may exit with status 10 when a HWE update is needed
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/usr/bin/hwe-support-status || true
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} > "$tmpfile"
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mv "$tmpfile" "$stamp"
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fi
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# output what we have (either cached or newly generated)
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cat "$stamp"
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