postinst is in ioquake3-server 1.36+u20180108~dfsg-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 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40  | #!/bin/sh
set -e
# Automatically added by dh_apparmor/UNDECLARED
aa_is_enabled() {
   if command aa-enabled >/dev/null 2>&1; then
      # apparmor >= 2.10.95-2
      aa-enabled --quiet 2>/dev/null
   else
      # apparmor << 2.10.95-2
      # (This should be removed once Debian Stretch and Ubuntu 18.04 are out.)
      rc=0
      aa-status --enabled 2>/dev/null || rc=$?
      [ "$rc" = 0 ] || [ "$rc" = 2 ]
   fi
}
if [ "$1" = "configure" ]; then
    APP_PROFILE="/etc/apparmor.d/usr.lib.ioquake3.ioq3ded"
    if [ -f "$APP_PROFILE" ]; then
        # Add the local/ include
        LOCAL_APP_PROFILE="/etc/apparmor.d/local/usr.lib.ioquake3.ioq3ded"
        test -e "$LOCAL_APP_PROFILE" || {
            tmp=`mktemp`
        cat <<EOM > "$tmp"
# Site-specific additions and overrides for usr.lib.ioquake3.ioq3ded.
# For more details, please see /etc/apparmor.d/local/README.
EOM
            mkdir `dirname "$LOCAL_APP_PROFILE"` 2>/dev/null || true
            mv -f "$tmp" "$LOCAL_APP_PROFILE"
            chmod 644 "$LOCAL_APP_PROFILE"
        }
        # Reload the profile, including any abstraction updates
        if aa_is_enabled; then
            apparmor_parser -r -T -W "$APP_PROFILE" || true
        fi
    fi
fi
# End automatically added section
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