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#!/bin/sh
run_latehook() {
local newroot="/new_root/"
/usr/bin/systemd-machine-id-setup --root="${newroot}"
if [[ ! -s "${newroot}/etc/hostprefix" ]]; then
cp "${newroot}/etc/hostname" "${newroot}/etc/hostprefix"
fi
hostprefix="$(cat "${newroot}/etc/hostprefix")"
if [[ -n "${hostname}" ]]; then
msg ":: Setting hostname for main system to '${hostprefix}-${hostname}'..."
elif [[ -e /sys/class/dmi/id/product_uuid ]]; then
msg ":: Setting hostname from product uuid..."
hostname="$(sha1sum < /sys/class/dmi/id/product_uuid | cut -c1-8)"
else
msg ":: Setting hostname to random string..."
hostname="$(cut -d- -f1 < /proc/sys/kernel/random/boot_id)"
fi
echo -n "${hostprefix}-${hostname}" > "${newroot}/etc/hostname"
}
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