68 lines
1.7 KiB
Bash
Executable File
68 lines
1.7 KiB
Bash
Executable File
#!/bin/sh -e
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#
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# helper for update-motd
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NO_ESM_MESSAGES=""
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# poor mans force
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if [ "$1" = "--force" ]; then
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NEED_UPDATE_CHECK=yes
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else
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NEED_UPDATE_CHECK=no
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fi
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# check time when we did the last update check
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stamp="/var/lib/update-notifier/updates-available"
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# get list dir
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StateDir="/var/lib/apt/"
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ListDir="lists/"
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eval "$(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 "$stamp" -print -quit)" ]; then
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NEED_UPDATE_CHECK=yes
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fi
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else
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if [ "$(find "/$StateDir/$ListDir" "/$EtcDir/$SourceList" -type f -print -quit)" ]; then
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NEED_UPDATE_CHECK=yes
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fi
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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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# should we hide esm-related information in the output
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no_esm_file="/var/lib/update-notifier/hide-esm-in-motd"
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if [ -e "$no_esm_file" ]; then
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NO_ESM_MESSAGES="--no-esm-messages"
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fi
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# output something for update-motd
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if [ "$NEED_UPDATE_CHECK" = "yes" ]; then
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{
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echo ""
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/usr/lib/update-notifier/apt-check --human-readable "$NO_ESM_MESSAGES"
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echo ""
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} > "$tmpfile"
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mv "$tmpfile" "$stamp"
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chmod +r "$stamp"
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fi
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