A script to install osu! under Debian, Void or Arch based linux distributions

install-osu.sh

#!/bin/bash

# Set directory to install to here:
export OSUINSTALLDIR=~/.local/games/osu
#export OSUINSTALLDIR=$(pwd) # uncomment if you want to install to the same directory the script is located in

clear
echo '
  __  __ _      _   _ _       __      _         _                      
 |  \/  (_)_ _ | |_(_| )___  / _|__ _| |__ _  _| |___ _  _ ___         
 | |\/| | | " \| / / |/(_-< |  _/ _" | "_ \ || | / _ \ || (_-<         
 |_|  |_|_|_||_|_\_\_| /__/ |_| \__,_|_.__/\_,_|_\___/\_,_/__/         
 | |  (_)_ _ _  ___ __  ___ ____  _| | (_)_ _  __| |_ __ _| | |___ _ _ 
 | |__| | " \ || \ \ / / _ (_-< || |_| | | " \(_-<  _/ _` | | / -_) "_|
 |____|_|_||_\_,_/_\_\ \___/__/\_,_(_) |_|_||_/__/\__\__,_|_|_\___|_|  
 
 Version 1.0 - Supports Debian, Void and Arch based distributions.
 (c) 2023 mueller_minki; Feel free to modify and/or share'
if [ "$EUID" -eq 0 ]
then
  echo "This script must not be run as root."
  exit 1
fi
sleep 2

# Install dependencies
if command -v apt &> /dev/null; then
    # APT exists
    echo "Installing linux dependencies via APT..."
    sudo apt install p7zip icoutils
elif command -v xbps-install &> /dev/null; then
    # xbps exists
    echo "Installing linux dependencies via xbps..."
    sudo xbps-install -Su p7zip icoutils
elif command -v pacman &> /dev/null; then
    # pacman exists
    echo "Installing linux dependencies via pacman..."
    sudo pacman -S p7zip icoutils
else
    # No supported package manager
    echo "Unsupported operating system. This script currently only supports Debian, Void or Arch based systems. Feel free to add support for your distribution!"
    exit 127
fi

# Downoad and Extract data
echo "Downloading data..."
mkdir -p $OSUINSTALLDIR
cd $OSUINSTALLDIR
wget https://github.com/GloriousEggroll/proton-ge-custom/releases/download/GE-Proton8-23/GE-Proton8-23.tar.gz
tar -xvf GE-Proton8-23.tar.gz
rm GE-Proton8-23.tar.gz
wget https://m1.ppy.sh/r/osu!install.exe

# Create wine prefix for game
echo "Setting prefix..."
export WINEPREFIX="$(pwd)/prefix"
mkdir $WINEPREFIX

# Set up Proton
echo "Installing Proton..."
PATH="$(pwd)/GE-Proton8-23/files/bin":$PATH
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:"$(pwd)/GE-Proton8-23/files/lib":"$(pwd)/GE-Proton8-23/files/lib64"
wineserver
wine wineboot

# Extract icon
echo "Extracting icon..."
7z x 'osu!install.exe' .rsrc/ICON/5.ico
mv .rsrc/ICON/5.ico icon.ico
icotool -x -r icon.ico
rm icon.ico
rm -r .rsrc

# Install osu!
echo "Installing osu..."
wine 'osu!install.exe'
rm 'osu!install.exe'

# Set up dependencies
echo "Installing windows dependencies..."
./GE-Proton8-23/protonfixes/winetricks dxvk dotnet40 cjkfonts

# Modify paths to avoid interpreting names as syntax
echo 'Setting up game directory...'
mv $(pwd)'/prefix/drive_c/users/steamuser/AppData/Local/osu!/'* .

# Create launch script
echo "Creating launch script..."
cat > osu.sh <<- EOM
#!/bin/bash
cd "$OSUINSTALLDIR"
echo "Starting osu!..."
export WINEPREFIX="\$(pwd)/prefix"
PATH="\$(pwd)/GE-Proton8-23/files/bin":\$PATH
export LD_LIBRARY_PATH=\$LD_LIBRARY_PATH:"\$(pwd)/GE-Proton8-23/files/lib":"\$(pwd)/GE-Proton8-23/files/lib64"
wine 'osu!.exe'
EOM
chmod +x osu.sh

# Install application shortcut
echo "Adding desktop entries..."
mkdir -p ~/.local/share/applications
cat > ~/.local/share/applications/osu.desktop <<- EOM
[Desktop Entry]
Version=1.0
Type=Application
Name=osu!
Comment=The bestest free-to-win rhythm game! Rhythm is just a click away.
Exec="$OSUINSTALLDIR/osu.sh"
Icon=$OSUINSTALLDIR/icon_1_128x128x32.png
Path=$OSUINSTALLDIR
Categories=Proton;Wine;Game;
Keywords=proton;wine;game;osu;rythm;rythmgame;
Terminal=true
StartupNotify=false
EOM
chmod +x ~/.local/share/applications/osu.desktop
echo "Game install completed."