#!/bin/bash

set -u

configFile='/private/tmp/InstallConfig.plist'
v_mntptDev=$( /usr/libexec/PlistBuddy -c "Print :ramdisk" ${configFile} )
v_mntpt=$( LC_ALL=C diskutil info ${v_mntptDev} | grep -i 'mount point' | awk '{$1=$2=""; print $0}' | \
                                                                    sed -e 's/^ *//' | sed -e 's/ *$//' )

key="@optionKey@"
value="@optionValue@"
type="@optionType@"
logName="@LOG_FILENAME@"

# Check if target volume exists
if [[ ! -d "$v_mntpt" ]]; then
    echo "$v_mntpt volume does not exist!" >&2
    exit 1
fi

mainLine="=============================================================================="
subLine="------------------------------------------------------------------------------"

exec > >(tee -a "${v_mntpt}/${logName}") 2>&1

echo "$mainLine"
echo "Writing boot option: ${key}=${value}"

key="${key// /\\ }"     # Escape spaces
value="${value// /\\ }" # Escape spaces

bootPListFile="${v_mntpt}/Extra/org.chameleon.Boot.plist"

case "$type" in
    bool|text)
          /usr/libexec/PlistBuddy -c "Add :${key} string ${value}" "$bootPListFile"
          ;;
    list)
          current_values=$( /usr/libexec/PlistBuddy -c "Print :${key}" \
           "$bootPListFile" 2>/dev/null )
          result=$?
          current_values="${current_values// /\\ }"    # Escape spaces
          current_values="${current_values//\"/\\\"}"  # Escape double quotes

          if [[ $result -eq 0 ]]; then
              # Append our new values
              if [[ "$current_values" = "" ]]; then
                  new_values="${value}"
              else
                  new_values="${current_values}\ ${value}"
              fi
              /usr/libexec/PlistBuddy -c "Set :${key} ${new_values}" \
               "$bootPListFile"
          else
              # Create a new option
              new_values="${value}"
              /usr/libexec/PlistBuddy -c "Add :${key} string ${new_values}" \
               "$bootPListFile"
          fi
          ;;
esac

echo "$subLine"
exit 0