postinst is in update-notifier-common 3.168.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 | #!/bin/sh
set -e
# fixup /var/crash permissions (#449739)
if [ "$1" = configure ] && dpkg --compare-versions "$2" le-nl "0.89"; then
if [ -d /var/crash ] && [ "$(stat -L -c '%a' /var/crash)" = "755" ]; then
chmod 1777 /var/crash
fi
fi
if [ "$1" = triggered ]; then
for trigger in $2; do
case $trigger in
/usr/share/package-data-downloads)
/usr/lib/update-notifier/package-data-downloader
;;
esac
done
exit 0
fi
# Run this when configuring as well, since we may not be triggered at all
# depending on package unpack order.
/usr/lib/update-notifier/package-data-downloader
# Remove update-motd cpu-checker script
dpkg-maintscript-helper rm_conffile /etc/update-motd.d/20-cpu-checker \
0.110.1ubuntu1 -- "$@"
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