postrm is in maas-dhcp 1.5.4+bzr2294-0ubuntu1.2.
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 | #!/bin/sh
set -e
if [ "$1" = "remove" ] || [ "$1" = "purge" ]; then
dhcpd_prof="/etc/apparmor.d/usr.sbin.dhcpd"
if [ -f "${dhcpd_prof}" ] &&
command -v apparmor_parser >/dev/null 2>&1; then
apparmor_parser --replace --write-cache --skip-read-cache "${dhcpd_prof}"
fi
fi
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