make-dxvk

#!/bin/bash

# A POSIX variable
OPTIND=1  # Reset in case getopts has been used previously in the shell.
IMAGE=${IMAGE:-"cheald/dxvk-docker:latest"}
DXVK_REPO=${DXVK_REPO:-"https://github.com/doitsujin/dxvk.git"}
DEFAULT_GITREF=master
GITREF=""
REPO_DIR=${REPO_DIR:-dxvk}

while getopts "h?b:r:l:" opt; do
  case "$opt" in
  h|\?)
    cat << EOF
$(basename "$0") [-h] [-b branch] [-r repository_url] [-m image] [-l install_location]

where:
    -h  Show this help text
    -b  Set the Git branch to build
    -r  Set the Git repository to build from (default: $DXVK_REPO)
    -l  Set the Lutris install location (path to lutris/runtime/dxvk)
EOF
    exit 0
    ;;
  b)  GITREF=$OPTARG
    ;;
  r)  DXVK_REPO=$OPTARG
    ;;
  m)  IMAGE=$OPTARG
    ;;
  l)  INSTALL_LOCATION=$OPTARG
    ;;
  esac
done

shift $((OPTIND-1))

[ "${1:-}" = "--" ] && shift

if [[ ! -d $REPO_DIR ]] ; then
  git clone $DXVK_REPO
fi

if [ -z "$GITREF" ]; then
  read -p "What branch/tag/gitref do you want to build? [master]: " GITREF
  GITREF=${GITREF:-$DEFAULT_GITREF}
fi

cd $REPO_DIR
git fetch -a

_=$(git show-ref --verify refs/heads/$GITREF 2>&1)
isBranch=$?

_=$(git show-ref --verify refs/tags/$GITREF 2>&1)
isTag=$?

_=$(git rev-parse --verify "$GITREF^{commit}" 2>&1)
isCommit=$?

if [ $isBranch -eq 0 ] ; then
  git checkout origin/$GITREF
elif [ $isTag -eq 0 ] ; then
  git checkout tags/$GITREF
elif [ $isCommit -eq 0 ] ; then
  git checkout $GITREF
else
  echo "Invalid gitref!"
  exit 1
fi

echo ""
echo "About to build commit:"
echo "----------------------------------------------------------"
echo $(git log HEAD~1..HEAD)
echo "----------------------------------------------------------"
echo ""
cd ..

targetDir="dxvk-$(echo $GITREF | tr "/" "-" )"

forceBuild="y"
if [[ -d out/$targetDir ]] ; then
  read -p "$targetDir appears to be built already. Do you want to rebuild it? [y/N]" forceBuild
  forceBuild=${forceBuild:-n}
fi

case $forceBuild in
  [yY])
    docker run -e UID=$UID -e GID=$(id -g $USER) -it -v $(pwd)/$REPO_DIR:/root/build $IMAGE
    rm -rf out
    mkdir out
    mv $REPO_DIR/out/dxvk-master out/$targetDir
    ;;
  *)
    echo "Skipping build..."
    ;;
esac

read -p "Install $targetDir to Lutris? [Y/n]: " install
install=${install:-Y}

case $install in
  [yY])
      if [ -z "$INSTALL_LOCATION" ] ; then
        read -p "Do you want me to try to find your Lutris location? [Y/n]" doFind
        doFind=${doFind:-y}
        case $doFind in
          [yY])
            INSTALL_LOCATION=$(locate "lutris/runtime/dxvk" | grep -e "lutris/runtime/dxvk$" | head -n 1)
            read -p "Found location: ${INSTALL_LOCATION} - is this right? [y/n]" isCorrect
            isCorrect=${isCorrect:-y}
            case $isCorrect in
              [yY])
                INSTALL_LOCATION=$INSTALL_LOCATION
                ;;
              *)
                INSTALL_LOCATION="/bogus/location"
                ;;
            esac
            ;;
          *)
            INSTALL_LOCATION="/bogus/location"
            ;;
        esac
      fi

      while [[ ! -d $INSTALL_LOCATION ]] ; do
        read -p "Install location: [${INSTALL_LOCATION}]: " INSTALL_LOCATION
        INSTALL_LOCATION=${INSTALL_LOCATION:-~/.local/share/lutris/runtime/dxvk}
        if [[ ! -d $INSTALL_LOCATION ]]; then
          echo "Invalid install location: $INSTALL_LOCATION does not exist"
        fi
      done

      echo "Installing to ${INSTALL_LOCATION}"
      rm -rf $INSTALL_LOCATION/$targetDir
      cp -R out/$targetDir $INSTALL_LOCATION
      echo "$targetDir installed. Enter '$targetDir' as your DXVK version in Lutris."
    ;;
  *)
    ;;
esac