postrm is in linux-image-unsigned-4.15.0-1021-gcp 4.15.0-1021.22.
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 | #!/bin/sh
set -e
version=4.15.0-1021-gcp
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
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