This file is indexed.

postrm is in linux-image-unsigned-4.15.0-20-generic 4.15.0-20.21~16.04.1.

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.

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#!/bin/sh
set -e

version=4.15.0-20-generic
image_path=/boot/vmlinuz-$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
    # We cannot trigger ourselves as at the end of this we will no longer
    # exist and can no longer respond to the trigger.  The trigger would
    # then become lost.  Therefore we clear any pending trigger and apply
    # postrm directly.
    if [ -f /usr/lib/linux/triggers/$version ]; then
	echo "$0 ... removing pending trigger"
	rm -f /usr/lib/linux/triggers/$version
	rmdir --ignore-fail-on-non-empty /usr/lib/linux/triggers
    fi
    DEB_MAINT_PARAMS="$*" run-parts --report --exit-on-error --arg=$version \
	      --arg=$image_path /etc/kernel/postrm.d
fi

if [ "$1" = purge ]; then
    for extra_file in modules.dep modules.isapnpmap modules.pcimap \
                      modules.usbmap modules.parportmap \
                      modules.generic_string modules.ieee1394map \
                      modules.ieee1394map modules.pnpbiosmap \
                      modules.alias modules.ccwmap modules.inputmap \
                      modules.symbols modules.ofmap \
                      modules.seriomap modules.\*.bin \
		      modules.softdep modules.devname; do
	eval rm -f /lib/modules/$version/$extra_file
    done
    rmdir /lib/modules/$version || true
fi

exit 0