config is in gpm 1.20.7-5.
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 41 42 43 44 45 46 47 48 49 50 51 52 53 | #!/bin/sh
set -e
. /usr/share/debconf/confmodule
unset device type responsiveness repeat_type sample_rate append
[ -e /etc/gpm.conf ] && . /etc/gpm.conf
# 'device' and 'type' should always be set, so use those to determine
# if we have a gpm.conf which is worth preseeding from.
if [ -n "$device" ] && [ -n "$type" ]; then
  for q in device type responsiveness repeat_type sample_rate append; do
    eval value="\$$q"
    db_set gpm/$q "$value"
    db_fset gpm/$q seen true
  done
else
  KVER=$(uname)-$(uname -r)
  ARCH=$(dpkg --print-architecture)
  case $ARCH in
    m68k)
      db_set gpm/device /dev/mouse;
      db_set gpm/type bm;;
    sparc)
      db_set gpm/device /dev/sunmouse;
      db_set gpm/type sun;;
    i386|*)
      db_set gpm/device /dev/psaux;
      db_set gpm/type autops2;;
  esac;
  case $KVER in
    Linux-2.6*|Linux-[3-9]*)
      # Use the input layer by default.
      # The input layer also makes the gpm repeater rather moot.
      db_set gpm/device /dev/input/mice;
      db_set gpm/type exps2;
      db_set gpm/repeat_type none ;;
  esac
fi
db_input medium gpm/restart || true
db_input medium gpm/device || true
# TODO: autogenerate list of types from gpm source,
# then make the question a "select" type rather than a string.
db_input medium gpm/type || true
db_input low gpm/responsiveness || true
db_input low gpm/repeat_type || true
db_input low gpm/sample_rate || true
db_input low gpm/append || true
db_go || true
 |