postinst is in fdm 1.7+cvs20140912-1.
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 | #! /bin/sh
set -e
if ! getent 'passwd' 'debianfdm' > /dev/null ; then
adduser --quiet --system --no-create-home --disabled-login --disabled-password debianfdm
fi
exit 0
|