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#!/bin/bash -e
[ -f "/etc/dracut-uefi-hook.conf" ] && source /etc/dracut-uefi-hook.conf
ESP_PATH=$(bootctl --print-esp-path)
MACHINE_ID=$(</etc/machine-id)
source <(grep '^BUILD_ID=' /etc/os-release)
declare -A kernels
dracut_update=0
while read -r line; do
if [[ $line =~ ^usr/lib/modules/([^/]+)/pkgbase$ ]]; then
read -r pkgbase < "/${line}"
kernels["${pkgbase}"]="${BASH_REMATCH[1]}"
else
dracut_update=1 # Dracut files have been updated
break
fi
done
if (( dracut_update )); then
for candidate in /usr/lib/modules/*; do
[ -f "$candidate/pkgbase" ] || continue
if read -r pkgbase &> /dev/null < "$candidate/pkgbase"; then
kernels["${pkgbase}"]="$(basename "$candidate")"
fi
done
fi
for kernel in "${!kernels[@]}"; do
version="${kernels[$kernel]}"
path="/usr/lib/modules/${version}/pkgbase"
read -r pkgbase < "$path"
echo "==> Building linux image $kernel ($version)"
if [[ "$hook_for_pretty_name" == "true" ]]; then
tmp_file=$(mktemp)
cat /etc/os-release > "$tmp_file"
echo "VERSION_ID=\"$pkgbase $version\"" >> "$tmp_file"
unshare -m /bin/sh -c "mount --bind '$tmp_file' /etc/os-release && dracut -q -f --uefi --kver '${version}'"
rm "$tmp_file"
else
dracut -q -f --uefi --kver "${version}"
fi
if [[ "$pkgbase" == "$default_kernel_package" ]]; then
echo "===> Mark linux image $kernel ($version) as default"
bootctl set-default "linux-${version}-${MACHINE_ID}-${BUILD_ID}.efi" || {
echo "===> Unable to mark linux image $kernel ($version) as default" >&2
}
fi
done
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