Fix requiring Java 8 for JRuby 9.2

    true

}

require_java7() {

  local version="$(java -version 2>&1 | grep '\(java\|openjdk\) version' | head -1)"

  if [[ $version != *[789]* ]]; then

require_java() {

  local required="$1"

  local version="$(java -version 2>&1 | grep '\(java\|openjdk\) version' | head -1 | grep -o '1\.[0-9]\+')"

  if [ -z "$version" ] || [ "${version##*.}" -lt "$required" ]; then

    colorize 1 "ERROR" >&3

    echo ": Java 7 required. Please install a 1.7-compatible JRE." >&3

    echo ": Java ${required} required. Please install a 1.${required}-compatible JRE." >&3

    return 1

  fi

}

# keep for backwards compatibility

require_java7() {

  require_java 7

}

require_gcc() {

  local gcc="$(locate_gcc || true)"