linux/debian/templates/image.postrm.in

#!/bin/sh
set -e

version='@abiname@@localversion@'
image_path="/boot/@image-stem@-${version}"

rm -f "/lib/modules/${version}/.fresh-install"

if [ "$1" != upgrade ] && command -v linux-update-symlinks >/dev/null ; then
    linux-update-symlinks remove "${version}" "${image_path}"
fi

if [ -d /etc/kernel/postrm.d ] ; then
    DEB_MAINT_PARAMS="$*" \
    run-parts --report --exit-on-error \
      "--arg=${version}" \
      "--arg=${image_path}" \
    /etc/kernel/postrm.d
fi

if [ "$1" = purge ]; then
    for extra_file in \
     'modules.*.bin' \
      modules.alias \
      modules.builtin.ranges \
      modules.ccwmap \
      modules.dep \
      modules.devname \
      modules.generic_string \
      modules.ieee1394map \
      modules.inputmap \
      modules.isapnpmap \
      modules.ofmap \
      modules.parportmap \
      modules.pcimap \
      modules.pnpbiosmap \
      modules.seriomap \
      modules.softdep \
      modules.symbols \
      modules.usbmap \
      modules.weakdep \
    ; do
        case "${extra_file}" in
        *\** | *\?* )
            find "/lib/modules/${version}/" -mindepth 1 -maxdepth 1 -name "${extra_file}" -exec rm -f {} +
        ;;
        * )
            rm -f "/lib/modules/${version}/${extra_file}"
        ;;
        esac
    done
    rmdir "/lib/modules/${version}" || true
fi

exit 0