spitfireaudio

#!/bin/sh

# Logging
VERBOSE=false
ERROR() { echo "[ERROR]   $1"; }
INFO() { [ $VERBOSE = 'true' ] && echo "[INFO]    $1"; }

# Default variables
CLEAR_CACHE=false
INSTALLER_URL='https://www.spitfireaudio.com/library-manager/download/win'
CACHE_DIR="$HOME/.cache/spitfireaudio"
INSTALLER_EXE='SpitfireAudio.exe'
INSTALLER_PATH="$CACHE_DIR/$INSTALLER_EXE"
BASE_DIR="$HOME/.local/share/spitfireaudio"
WINEPREFIX="$BASE_DIR/wineprefix"
APP_PATH="$WINEPREFIX/drive_c/Program Files (x86)/Spitfire Audio/Spitfire Audio.exe"

####################
# Helper functions #
####################

usage() {
  echo "Usage: $0 <command> [options]"
  echo ""
  echo "Available commands:"
  echo "  install    - Installs the Spitfire Audio App"
  echo "  uninstall  - Removes the Spitfire Audio App and its WINEPREFIX"
  echo "  help       - Displays this help"
  echo ""
  echo "General options:"
  echo "  -v, --verbose      - Enable verbose mode (displays additional information)"
  echo ""
  echo "Installation options:"
  echo "  -c, --clear-cache  - Clears the cache and downloads a fresh installer"
}

clear_cache() {
  INFO "Removing cache $CACHE_DIR"
  rm -r $CACHE_DIR
}

cache() {
  [ ! -d $CACHE_DIR ] && mkdir -p $CACHE_DIR
  INFO "Using cache directory $CACHE_DIR"
}

base() {
  [ ! -d $BASE_DIR ] && mkdir -p $BASE_DIR
  INFO "Using base directory $BASE_DIR"
}

download() {
  [ $CLEAR_CACHE = 'true' ] && clear_cache
  if [ -f $INSTALLER_PATH ]; then
    INFO "Installer found: $INSTALLER_PATH"
  else
    cache
    INFO "Downloading $INSTALLER_URL"
    curl -L $INSTALLER_URL > $INSTALLER_PATH
  fi
}

###########
# Options #
###########

COMMAND='_EMPTY'

for param in $@; do
  o='_EMPTY'

  if [ ${param::2} = '--' ]; then
    o=${param:2}
  else
    if [ ${param::1} = '-' ]; then
      o=${param:1:1}
    else
      if [ $COMMAND = '_EMPTY' ]; then
        COMMAND=$param
      fi
    fi
  fi
  
  case $o in
    _EMPTY) ;;
    c|clear-cache) CLEAR_CACHE=true;;
    v|verbose) VERBOSE=true;;
    *) echo "Illegal option '$param'"; usage; exit 1;;
  esac

done

[ $COMMAND = '_EMPTY' ] && usage && exit 0

########
# Main #
########

case $COMMAND in
  install)
    [ -f "${APP_PATH}" ] && ERROR "The Spitfire Audio App is already installed." && exit 1
    download
    base
    INFO "Launching installer"
    if [ $VERBOSE = 'true' ]; then
      WINEPREFIX=$WINEPREFIX wine $INSTALLER_PATH '/SILENT'
    else
      WINEPREFIX=$WINEPREFIX wine $INSTALLER_PATH '/SILENT' &>/dev/null
    fi
    echo "Successfully installed!"
    ;;
  
  uninstall)
    if [ -d $BASE_DIR ]; then
      INFO "Removing base directory $BASE_DIR"
      rm -r $BASE_DIR
      echo "Successfully uninstalled!"
    else
      ERROR "The Spitfire Audio base directory cannot be found."
    fi
    ;;

  launch)
    INFO "Launching Spitfire Audio App"
    if [ $VERBOSE = 'true' ]; then
      WINEPREFIX=$WINEPREFIX wine "${APP_PATH}"
    else
      WINEPREFIX=$WINEPREFIX wine "${APP_PATH}" &>/dev/null
    fi
    ;;
  
  winecfg)
    base
    INFO "Launching winecfg"
    if [ $VERBOSE = 'true' ]; then
      WINEPREFIX=$WINEPREFIX winecfg
    else
      WINEPREFIX=$WINEPREFIX winecfg &>/dev/null
    fi
    ;;
  
  help) usage;;

  *) ERROR "Unkown command $1"; usage;;
esac