start_updater.sh

#!/bin/bash
set -e

export LANG=en_US.UTF-8
export LC_ALL=en_US.UTF-8

# Validate Steam user credentials
if [ -z "$STEAM_USER" ] || [ -z "$STEAM_PASS" ]; then
  >&2 echo "Error: STEAM_USER or STEAM_PASS is not set."
  exit 1
fi

# Verify steamcmd availability
STEAMCMD_PATH="/usr/games/steamcmd"
if [ ! -x "$STEAMCMD_PATH" ]; then
  >&2 echo "Error: steamcmd not found at $STEAMCMD_PATH. Verify installation."
  exit 1
fi

# Verify existence of arma3_hc_config.env
if [ ! -f "/arma3/arma3_hc_config.env" ]; then
  >&2 echo "Error: arma3_hc_config.env not found."
  exit 1
fi

# Create the update script for Arma 3
UPDATE_SCRIPT="/arma3/arma3_update_script.txt"
cat <<EOL > "$UPDATE_SCRIPT"
// Stop the script if any commands fail
@ShutdownOnFailedCommand 1

// Do not prompt for a password, use the one specified in the login command
@NoPromptForPassword 1

// Set the installation directory for Arma 3 Dedicated Server
force_install_dir /arma3

// Install or update the Arma 3 Dedicated Server files (App ID: 233780)
app_update 233780 validate

// Install or update Mods based on ARMA_MODS
$(IFS=';' read -ra MODS <<< "$ARMA_MODS"; for mod in "${MODS[@]}"; do echo "workshop_download_item 107410 $mod validate"; done)

// Exit SteamCMD
quit
EOL

# Install or update Arma 3 files using steamcmd
echo "Running SteamCMD to update Arma 3 files..."
$STEAMCMD_PATH +login $STEAM_USER $STEAM_PASS +runscript "$UPDATE_SCRIPT"

if [ $? -eq 0 ]; then
  echo "Arma 3 Dedicated Server installation/update completed successfully."

  # Create lowercase mods directory in /arma3/mods
  MODS_DIR="/arma3/steamapps/workshop/content/107410"
  LOWERCASE_MODS_DIR="/arma3/mods"

  if [ -d "$MODS_DIR" ]; then
    echo "Creating lowercase mods in $LOWERCASE_MODS_DIR..."
    mkdir -p "$LOWERCASE_MODS_DIR"
    for mod_path in "$MODS_DIR"/*; do
      if [ -d "$mod_path" ]; then
        mod_id=$(basename "$mod_path")
        lowercase_mod_dir="$LOWERCASE_MODS_DIR/@$mod_id"

        # Remove existing lowercase directory if it exists
        if [ -e "$lowercase_mod_dir" ]; then
          echo "Removing existing directory: $lowercase_mod_dir"
          rm -rf "$lowercase_mod_dir"
        fi

        # Create lowercase files and directories inside the mod
        mkdir -p "$lowercase_mod_dir"
        find "$mod_path" -print0 | while IFS= read -r -d '' file; do
          relative_path="${file#$mod_path}"
          lowercase_path="$lowercase_mod_dir$(echo "$relative_path" | tr '[:upper:]' '[:lower:]')"
          if [ -d "$file" ]; then
            mkdir -p "$lowercase_path"
          else
            ln -s "$file" "$lowercase_path"
          fi
        done
        echo "Lowercase mods created for mod: $lowercase_mod_dir"
      else
        echo "Warning: $mod_path is not a directory"
      fi
    done
    echo "Lowercase mods created successfully."
  else
    echo "No mods found in $MODS_DIR." >&2
  fi
else
  echo "Error: Arma 3 Dedicated Server installation/update failed." >&2
  exit 1
fi