asahi-fwupdate

#!/bin/sh
# SPDX-License-Identifier: MIT

set -eu

unset PYTHON

[ -e /etc/default/asahi-fwupdate ] && . /etc/default/asahi-fwupdate

: "${ASAHIFW:=}"
: "${VENDORFW:=}"
: "${VENDORFWTMP:=/run/.vendorfw-tmp}"
: "${PYTHON:=/usr/bin/python3}"

if [ -e "$(dirname "$0")"/functions.sh ]; then
    . "$(dirname "$0")"/functions.sh
else
    . /usr/share/asahi-scripts/functions.sh
fi

umount=false

if [ -z "$ASAHIFW" ] && [ -z "$VENDORFW" ]; then
    mount_sys_esp /run/.system-efi
    ASAHIFW="/run/.system-efi/asahi/"
    VENDORFW="/run/.system-efi/vendorfw"
    umount=true
fi

if [ ! -e "${ASAHIFW}/all_firmware.tar.gz" ]; then
    echo "No firmware tarball found, skipping extraction"
    exit 0
fi

if [ ! -d "$VENDORFW" ]; then
  mkdir -p "$VENDORFW"
fi

if [ ! -d "$VENDORFWTMP" ]; then
  mkdir -p "$VENDORFWTMP"
fi

echo "Upgrading vendor firmware package"
asahi-fwextract "$ASAHIFW" "$VENDORFWTMP"
rm -rf "$VENDORFW".new
mv "${VENDORFWTMP}" "$VENDORFW".new
rm -rf "$VENDORFW"
mv "$VENDORFW".new "$VENDORFW"
rm -rf "$VENDORFWTMP"
echo "Firmware upgraded"

$umount && umount /run/.system-efi
true