AppleALC stripdown

AppleAlcStripdown.sh

#!/bin/bash

# AppleALC stripdown | @cecekpawon Sun Jul 28 14:14:02 2019

#
# User defined
#

gCodecIdDec=283904146
gDeviceId=ALC892
gTarget=Release

#
# Global
#

gPlistBuddyCmd="/usr/libexec/plistbuddy -c"

WorkingDir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

cd "${WorkingDir}"

#
# Repo
#

if [ ! -d AppleALC ]; then
  git clone https://github.com/acidanthera/AppleALC
fi

#
# Lilu
#

if [ ! -d "${WorkingDir}/AppleALC/Lilu.kext" ]; then
  if [ ! -f "${WorkingDir}/Lilu.zip" ]; then
    json=$(curl -s https://api.github.com/repos/Acidanthera/Lilu/releases/latest)
    tag=$(echo "${json}" | grep '"tag_name":' | sed -E 's/.*"([^"]+)".*/\1/')
    url=($(echo "${json}" | grep '"browser_download_url":' | sed -E 's/.*"([^"]+)".*/\1/'))

    for u in "${url[@]}"
    do
      if [[ "${u}" == *"DEBUG"* ]]; then
        echo "Downloading ${tag}"
        curl -L "${u}" -o Lilu.zip
      fi
    done
  fi
  unzip Lilu.zip -d AppleALC
fi

#
# AppleALC
#

cd "${WorkingDir}/AppleALC"

git fetch origin
git reset --hard origin/master
git pull

gInfoPlist="Resources/PinConfigs.kext/Contents/Info.plist"
gHDAHardwareConfigResource="IOKitPersonalities:'HDA Hardware Config Resource'"
gHDAConfigDefault="$gHDAHardwareConfigResource:HDAConfigDefault"

$gPlistBuddyCmd "Add ':Tmp' dict" $gInfoPlist
$gPlistBuddyCmd "Copy :$gHDAHardwareConfigResource ':Tmp:$gHDAHardwareConfigResource" $gInfoPlist
$gPlistBuddyCmd "Add :Tmp:$gHDAConfigDefault array" $gInfoPlist

Configs=($(echo $($gPlistBuddyCmd "Print :$gHDAConfigDefault" $gInfoPlist -x) | grep -o "<dict>"))

let Cid=0
let NewCid=0

for i in "${Configs[@]}"
do
  CodecId=$($gPlistBuddyCmd "Print :$gHDAConfigDefault:${Cid}:CodecID" $gInfoPlist 2>&1)

  if [ $CodecId -eq $gCodecIdDec ]; then
    $gPlistBuddyCmd "Copy :$gHDAConfigDefault:${Cid} :Tmp:$gHDAConfigDefault:${NewCid}" $gInfoPlist
  fi

  let Cid++
  let NewCid++
done

$gPlistBuddyCmd "Delete :$gHDAConfigDefault" $gInfoPlist
$gPlistBuddyCmd "Copy :Tmp:$gHDAConfigDefault :$gHDAConfigDefault" $gInfoPlist
$gPlistBuddyCmd "Delete :Tmp" $gInfoPlist

if [ -d "Resources/$gDeviceId" ]; then
  Dirs=(Resources/*/)
  for Dir in "${Dirs[@]}"; do
    if [[ $Dir != *".kext"* && $Dir != *$gDeviceId* ]]; then
      rm -rf $Dir
    fi
  done
fi

xcodebuild -configuration $gTarget

cp -Rf build/$gTarget/*.kext ${WorkingDir}
#rm -rf "${WorkingDir}/AppleALC/Lilu.kext"

xcodebuild -alltargets clean

cd "${WorkingDir}"