For creating a new Wine prefix without mime associations clutter and shell folder symlinks

wine_new_prefix.sh

#!/bin/bash

#
# Notes:
#
# Requires WINEPREFIX to be set
# Uses wine_env.sh which sets the environment (without it will use default wine)
# relies on ripgrep (rg)
#

source "$(dirname ${BASH_SOURCE[0]})/wine_env.sh"

# to prevent mime associations on initial wine calls before setting is disabled
WINEDLLOVERRIDES='winemenubuilder.exe=d'

if [[ "$WINEPREFIX" == "" ]]; then
  echo "error: No path for prefix specified! Aborting"
  exit 1
fi

function assert() {
   local rc=$1
   local message="$2"

   if ((rc != 0)); then
      echo $message
      exit $rc
   fi
}

function ensure_command() {
  command -v "$1" &>/dev/null

  if (($? != 0)); then
    echo "error: ${1} is required to operate, aborting!"
    exit 1
  fi
}

# ensure ripgrep
ensure_command rg

function create_prefix() {
  echo "Creating new Wine prefix at ${WINEPREFIX}"
  wine winecfg /v win11 &> /dev/null
  assert $? "error: Failed to create the initial prefix!"

  echo "Disabling mime associations to prevent clutter..."
  wine reg add 'HKEY_CURRENT_USER\Software\Wine\FileOpenAssociations' /v "Enable" /d "N" /f &> /dev/null
  assert $? "error: Failed to disable mime associations!"
}

# turns shell folders into normal directories if they were symlinks
function normalize_shell_folders() {
  local folders_key='HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders'

  local folders=(
    "Desktop"     # Desktop
    "Personal"    # Documents
    "My Pictures" # Pictures
    "My Music"    # Music
    "My Videos"   # Videos
    "Templates"   # Templates
    '{374DE290-123F-4565-9164-39C4925E467B}' # Downloads
  )

  for folder in "${folders[@]}"; do
    echo "=== processing shell folder ==============="

    local folder_path=$(wine reg query "$folders_key" /v "$folder" 2> /dev/null | rg '\s+REG_SZ\s+(.*)' --only-matching --replace '$1')
    # drop windows style end of line from the value just in case
    folder_path="${folder_path%%[[:cntrl:]]}"

    if [[ "$folder_path" == "" ]]; then
      echo "warn: no value found for folder ${folder}"
      continue
    fi

    local system_path=$(wine winepath -u "$folder_path" 2> /dev/null)
    # drop windows style end of line from the value just in case
    system_path="${system_path%%[[:cntrl:]]}"

    if [[ "$system_path" == "" ]]; then
      echo "warn: could not retrieve system path for folder path ${folder_path}"
      continue
    fi

    echo "folder path: ${folder_path}"
    echo "system path: ${system_path}"

    if [[ -L "$system_path" ]]; then
      echo "${system_path} is a symbolic link"
      echo "unlinking and creating a normal directory"

      unlink "$system_path"
      mkdir -v "$system_path"
    else
      echo "${system_path} is already not a symbolic link, ignoring"
    fi
  done
}

create_prefix
normalize_shell_folders