pre-hook


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#!/usr/bin/env bash

#set -o xtrace
set -o errexit -o nounset -o pipefail -o errtrace
IFS=$'\n\t'

cd /usr/lib/modules/saved-kernel-modules

running_kernel=$(uname -r)

# is it already saved?
if [ -e modules/$running_kernel ] ; then
    exit 0
fi

# copy with hardlinks, much faster
cp --archive --link /usr/lib/modules/$running_kernel modules/