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#! /vendor/bin/sh
#
# Copyright (C) 2019 The LineageOS Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Set the proper hardware based wlan mac
wifi_mac=$(xxd -p /proc/mac_wifi | tr '[:lower:]' '[:upper:]');
if [[ ! -f /persist/wlan_mac.bin ]] || [[ $(cat /persist/wlan_mac.bin | grep Intf0MacAddress | sed 's/Intf0MacAddress=//') != $(echo $wifi_mac) ]]; then
echo "Intf0MacAddress=$wifi_mac
END" > /persist/wlan_mac.bin
fi;
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